diff --git a/include/common/tmsg.h b/include/common/tmsg.h
index 91710c4633e1436cf90bfaebf1a8c2f9d2de7e43..a123777b2a5035275e126554e5dfa5c62642f613 100644
--- a/include/common/tmsg.h
+++ b/include/common/tmsg.h
@@ -913,6 +913,8 @@ int32_t tDeserializeSCreateDnodeReq(void* buf, int32_t bufLen, SCreateDnodeReq*
 
 typedef struct {
   int32_t dnodeId;
+  char    fqdn[TSDB_FQDN_LEN];
+  int32_t port;
 } SDropDnodeReq;
 
 int32_t tSerializeSDropDnodeReq(void* buf, int32_t bufLen, SDropDnodeReq* pReq);
diff --git a/include/common/ttokendef.h b/include/common/ttokendef.h
index 6235fbaf974de00e733d5f60150954f6a0a3b3bb..f5556c709ce9e12c0f957bf949e40db86a2f2d16 100644
--- a/include/common/ttokendef.h
+++ b/include/common/ttokendef.h
@@ -34,110 +34,121 @@
 #define TK_NK_REM                          16
 #define TK_NK_CONCAT                       17
 #define TK_CREATE                          18
-#define TK_DATABASE                        19
-#define TK_IF                              20
-#define TK_NOT                             21
-#define TK_EXISTS                          22
-#define TK_BLOCKS                          23
-#define TK_NK_INTEGER                      24
-#define TK_CACHE                           25
-#define TK_CACHELAST                       26
-#define TK_COMP                            27
-#define TK_DAYS                            28
-#define TK_FSYNC                           29
-#define TK_MAXROWS                         30
-#define TK_MINROWS                         31
-#define TK_KEEP                            32
-#define TK_PRECISION                       33
-#define TK_NK_STRING                       34
-#define TK_QUORUM                          35
-#define TK_REPLICA                         36
-#define TK_TTL                             37
-#define TK_WAL                             38
-#define TK_VGROUPS                         39
-#define TK_SINGLE_STABLE                   40
-#define TK_STREAM_MODE                     41
-#define TK_USE                             42
-#define TK_TABLE                           43
-#define TK_NK_LP                           44
-#define TK_NK_RP                           45
-#define TK_STABLE                          46
-#define TK_USING                           47
-#define TK_TAGS                            48
-#define TK_NK_ID                           49
-#define TK_NK_DOT                          50
-#define TK_NK_COMMA                        51
-#define TK_COMMENT                         52
-#define TK_BOOL                            53
-#define TK_TINYINT                         54
-#define TK_SMALLINT                        55
-#define TK_INT                             56
-#define TK_INTEGER                         57
-#define TK_BIGINT                          58
-#define TK_FLOAT                           59
-#define TK_DOUBLE                          60
-#define TK_BINARY                          61
-#define TK_TIMESTAMP                       62
-#define TK_NCHAR                           63
-#define TK_UNSIGNED                        64
-#define TK_JSON                            65
-#define TK_VARCHAR                         66
-#define TK_MEDIUMBLOB                      67
-#define TK_BLOB                            68
-#define TK_VARBINARY                       69
-#define TK_DECIMAL                         70
-#define TK_SMA                             71
-#define TK_SHOW                            72
-#define TK_DATABASES                       73
-#define TK_TABLES                          74
-#define TK_NK_FLOAT                        75
-#define TK_NK_BOOL                         76
-#define TK_NK_VARIABLE                     77
-#define TK_BETWEEN                         78
-#define TK_IS                              79
-#define TK_NULL                            80
-#define TK_NK_LT                           81
-#define TK_NK_GT                           82
-#define TK_NK_LE                           83
-#define TK_NK_GE                           84
-#define TK_NK_NE                           85
-#define TK_NK_EQ                           86
-#define TK_LIKE                            87
-#define TK_MATCH                           88
-#define TK_NMATCH                          89
-#define TK_IN                              90
-#define TK_FROM                            91
-#define TK_AS                              92
-#define TK_JOIN                            93
-#define TK_ON                              94
-#define TK_INNER                           95
-#define TK_SELECT                          96
-#define TK_DISTINCT                        97
-#define TK_WHERE                           98
-#define TK_PARTITION                       99
-#define TK_BY                             100
-#define TK_SESSION                        101
-#define TK_STATE_WINDOW                   102
-#define TK_INTERVAL                       103
-#define TK_SLIDING                        104
-#define TK_FILL                           105
-#define TK_VALUE                          106
-#define TK_NONE                           107
-#define TK_PREV                           108
-#define TK_LINEAR                         109
-#define TK_NEXT                           110
-#define TK_GROUP                          111
-#define TK_HAVING                         112
-#define TK_ORDER                          113
-#define TK_SLIMIT                         114
-#define TK_SOFFSET                        115
-#define TK_LIMIT                          116
-#define TK_OFFSET                         117
-#define TK_ASC                            118
-#define TK_DESC                           119
-#define TK_NULLS                          120
-#define TK_FIRST                          121
-#define TK_LAST                           122
+#define TK_USER                            19
+#define TK_PASS                            20
+#define TK_NK_STRING                       21
+#define TK_ALTER                           22
+#define TK_PRIVILEGE                       23
+#define TK_DROP                            24
+#define TK_SHOW                            25
+#define TK_USERS                           26
+#define TK_DNODE                           27
+#define TK_PORT                            28
+#define TK_NK_INTEGER                      29
+#define TK_DNODES                          30
+#define TK_NK_ID                           31
+#define TK_NK_IPTOKEN                      32
+#define TK_DATABASE                        33
+#define TK_DATABASES                       34
+#define TK_USE                             35
+#define TK_IF                              36
+#define TK_NOT                             37
+#define TK_EXISTS                          38
+#define TK_BLOCKS                          39
+#define TK_CACHE                           40
+#define TK_CACHELAST                       41
+#define TK_COMP                            42
+#define TK_DAYS                            43
+#define TK_FSYNC                           44
+#define TK_MAXROWS                         45
+#define TK_MINROWS                         46
+#define TK_KEEP                            47
+#define TK_PRECISION                       48
+#define TK_QUORUM                          49
+#define TK_REPLICA                         50
+#define TK_TTL                             51
+#define TK_WAL                             52
+#define TK_VGROUPS                         53
+#define TK_SINGLE_STABLE                   54
+#define TK_STREAM_MODE                     55
+#define TK_TABLE                           56
+#define TK_NK_LP                           57
+#define TK_NK_RP                           58
+#define TK_STABLE                          59
+#define TK_TABLES                          60
+#define TK_STABLES                         61
+#define TK_USING                           62
+#define TK_TAGS                            63
+#define TK_NK_DOT                          64
+#define TK_NK_COMMA                        65
+#define TK_COMMENT                         66
+#define TK_BOOL                            67
+#define TK_TINYINT                         68
+#define TK_SMALLINT                        69
+#define TK_INT                             70
+#define TK_INTEGER                         71
+#define TK_BIGINT                          72
+#define TK_FLOAT                           73
+#define TK_DOUBLE                          74
+#define TK_BINARY                          75
+#define TK_TIMESTAMP                       76
+#define TK_NCHAR                           77
+#define TK_UNSIGNED                        78
+#define TK_JSON                            79
+#define TK_VARCHAR                         80
+#define TK_MEDIUMBLOB                      81
+#define TK_BLOB                            82
+#define TK_VARBINARY                       83
+#define TK_DECIMAL                         84
+#define TK_SMA                             85
+#define TK_NK_FLOAT                        86
+#define TK_NK_BOOL                         87
+#define TK_NK_VARIABLE                     88
+#define TK_BETWEEN                         89
+#define TK_IS                              90
+#define TK_NULL                            91
+#define TK_NK_LT                           92
+#define TK_NK_GT                           93
+#define TK_NK_LE                           94
+#define TK_NK_GE                           95
+#define TK_NK_NE                           96
+#define TK_NK_EQ                           97
+#define TK_LIKE                            98
+#define TK_MATCH                           99
+#define TK_NMATCH                         100
+#define TK_IN                             101
+#define TK_FROM                           102
+#define TK_AS                             103
+#define TK_JOIN                           104
+#define TK_ON                             105
+#define TK_INNER                          106
+#define TK_SELECT                         107
+#define TK_DISTINCT                       108
+#define TK_WHERE                          109
+#define TK_PARTITION                      110
+#define TK_BY                             111
+#define TK_SESSION                        112
+#define TK_STATE_WINDOW                   113
+#define TK_INTERVAL                       114
+#define TK_SLIDING                        115
+#define TK_FILL                           116
+#define TK_VALUE                          117
+#define TK_NONE                           118
+#define TK_PREV                           119
+#define TK_LINEAR                         120
+#define TK_NEXT                           121
+#define TK_GROUP                          122
+#define TK_HAVING                         123
+#define TK_ORDER                          124
+#define TK_SLIMIT                         125
+#define TK_SOFFSET                        126
+#define TK_LIMIT                          127
+#define TK_OFFSET                         128
+#define TK_ASC                            129
+#define TK_DESC                           130
+#define TK_NULLS                          131
+#define TK_FIRST                          132
+#define TK_LAST                           133
 
 #define TK_NK_SPACE                       300
 #define TK_NK_COMMENT                     301
@@ -155,9 +166,8 @@
 #define TK_NOW                            504
 #define TK_VALUES                         507
 #define TK_IMPORT                         507
-#define TK_SEMI                           508
-#define TK_IPTOKEN                        509
+#define TK_NK_SEMI                        508
 
-#define TK_NIL                            65535
+#define TK_NK_NIL                         65535
 
 #endif /*_TD_COMMON_TOKEN_H_*/
diff --git a/include/libs/nodes/cmdnodes.h b/include/libs/nodes/cmdnodes.h
index e7067f8b6625b4dc60a56a86f5a4061420008c11..95d35ab9186610e4408ae88653a835023cdbeae0 100644
--- a/include/libs/nodes/cmdnodes.h
+++ b/include/libs/nodes/cmdnodes.h
@@ -54,6 +54,12 @@ typedef struct SUseDatabaseStmt {
   char dbName[TSDB_DB_NAME_LEN];
 } SUseDatabaseStmt;
 
+typedef struct SDropDatabaseStmt {
+  ENodeType type;
+  char dbName[TSDB_DB_NAME_LEN];
+  bool ignoreNotExists;
+} SDropDatabaseStmt;
+
 typedef struct STableOptions {
   int32_t keep;
   int32_t ttl;
@@ -94,6 +100,49 @@ typedef struct SCreateMultiTableStmt {
   SNodeList* pSubTables;
 } SCreateMultiTableStmt;
 
+typedef struct SDropTableClause {
+  ENodeType type;
+  char dbName[TSDB_DB_NAME_LEN];
+  char tableName[TSDB_TABLE_NAME_LEN];
+  bool ignoreNotExists;
+} SDropTableClause;
+
+typedef struct SDropTableStmt {
+  ENodeType type;
+  SNodeList* pTables;
+} SDropTableStmt;
+
+typedef struct SCreateUserStmt {
+  ENodeType type;
+  char useName[TSDB_USER_LEN];
+  char password[TSDB_USET_PASSWORD_LEN];
+} SCreateUserStmt;
+
+typedef struct SAlterUserStmt {
+  ENodeType type;
+  char useName[TSDB_USER_LEN];
+  char password[TSDB_USET_PASSWORD_LEN];
+  int8_t alterType;
+} SAlterUserStmt;
+
+typedef struct SDropUserStmt {
+  ENodeType type;
+  char useName[TSDB_USER_LEN];
+} SDropUserStmt;
+
+typedef struct SCreateDnodeStmt {
+  ENodeType type;
+  char fqdn[TSDB_FQDN_LEN];
+  int32_t port;
+} SCreateDnodeStmt;
+
+typedef struct SDropDnodeStmt {
+  ENodeType type;
+  int32_t dnodeId;
+  char fqdn[TSDB_FQDN_LEN];
+  int32_t port;
+} SDropDnodeStmt;
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/include/libs/nodes/nodes.h b/include/libs/nodes/nodes.h
index 589a0dc21bba461267f4b453e49f32dbfc0e257a..13b2ef7b7be9d6207977688d797c30f1b1bec455 100644
--- a/include/libs/nodes/nodes.h
+++ b/include/libs/nodes/nodes.h
@@ -72,12 +72,24 @@ typedef enum ENodeType {
   QUERY_NODE_SELECT_STMT,
   QUERY_NODE_VNODE_MODIF_STMT,
   QUERY_NODE_CREATE_DATABASE_STMT,
+  QUERY_NODE_DROP_DATABASE_STMT,
+  QUERY_NODE_SHOW_DATABASES_STMT, // temp
   QUERY_NODE_CREATE_TABLE_STMT,
   QUERY_NODE_CREATE_SUBTABLE_CLAUSE,
   QUERY_NODE_CREATE_MULTI_TABLE_STMT,
-  QUERY_NODE_USE_DATABASE_STMT,
-  QUERY_NODE_SHOW_DATABASES_STMT, // temp
+  QUERY_NODE_DROP_TABLE_CLAUSE,
+  QUERY_NODE_DROP_TABLE_STMT,
   QUERY_NODE_SHOW_TABLES_STMT, // temp
+  QUERY_NODE_SHOW_STABLES_STMT,
+  QUERY_NODE_CREATE_USER_STMT,
+  QUERY_NODE_ALTER_USER_STMT,
+  QUERY_NODE_DROP_USER_STMT,
+  QUERY_NODE_SHOW_USERS_STMT,
+  QUERY_NODE_USE_DATABASE_STMT,
+  QUERY_NODE_CREATE_DNODE_STMT,
+  QUERY_NODE_DROP_DNODE_STMT,
+  QUERY_NODE_SHOW_DNODES_STMT,
+  QUERY_NODE_SHOW_VGROUPS_STMT,
 
   // logic plan node
   QUERY_NODE_LOGIC_PLAN_SCAN,
diff --git a/include/util/taoserror.h b/include/util/taoserror.h
index 1722ec46da2ad31f327e075b949289d57ae4ae2e..d904881ae1361b5b624bb7895fcf4f9f817c9bcf 100644
--- a/include/util/taoserror.h
+++ b/include/util/taoserror.h
@@ -457,6 +457,7 @@ int32_t* taosGetErrno();
 #define TSDB_CODE_SCH_INTERNAL_ERROR            TAOS_DEF_ERROR_CODE(0, 0x2502)
 
 //parser
+#define TSDB_CODE_PAR_SYNTAX_ERROR              TAOS_DEF_ERROR_CODE(0, 0x2600)
 #define TSDB_CODE_PAR_INVALID_COLUMN            TAOS_DEF_ERROR_CODE(0, 0x2601)
 #define TSDB_CODE_PAR_TABLE_NOT_EXIST           TAOS_DEF_ERROR_CODE(0, 0x2602)
 #define TSDB_CODE_PAR_AMBIGUOUS_COLUMN          TAOS_DEF_ERROR_CODE(0, 0x2603)
@@ -471,6 +472,11 @@ int32_t* taosGetErrno();
 #define TSDB_CODE_PAR_NOT_SINGLE_GROUP          TAOS_DEF_ERROR_CODE(0, 0x260C) 
 #define TSDB_CODE_PAR_TAGS_NOT_MATCHED          TAOS_DEF_ERROR_CODE(0, 0x260D)
 #define TSDB_CODE_PAR_INVALID_TAG_NAME          TAOS_DEF_ERROR_CODE(0, 0x260E)
+#define TSDB_CODE_PAR_INCOMPLETE_SQL            TAOS_DEF_ERROR_CODE(0, 0x260F)
+#define TSDB_CODE_PAR_NAME_OR_PASSWD_TOO_LONG   TAOS_DEF_ERROR_CODE(0, 0x2610)
+#define TSDB_CODE_PAR_PASSWD_EMPTY              TAOS_DEF_ERROR_CODE(0, 0x2611)
+#define TSDB_CODE_PAR_INVALID_PORT              TAOS_DEF_ERROR_CODE(0, 0x2612)
+#define TSDB_CODE_PAR_INVALID_ENDPOINT          TAOS_DEF_ERROR_CODE(0, 0x2613)
 
 #ifdef __cplusplus
 }
diff --git a/source/common/src/tmsg.c b/source/common/src/tmsg.c
index 8b4f572feebe06cac6a1d5a7d785b84dc74c7a94..5c73c74af4243f44034bce8e9b7e847dd41a194b 100644
--- a/source/common/src/tmsg.c
+++ b/source/common/src/tmsg.c
@@ -1007,11 +1007,32 @@ int32_t tDeserializeSMCreateDropQSBNodeReq(void *buf, int32_t bufLen, SMCreateQn
 }
 
 int32_t tSerializeSDropDnodeReq(void *buf, int32_t bufLen, SDropDnodeReq *pReq) {
-  return tSerializeSMCreateDropQSBNodeReq(buf, bufLen, (SMCreateQnodeReq *)pReq);
+  SCoder encoder = {0};
+  tCoderInit(&encoder, TD_LITTLE_ENDIAN, buf, bufLen, TD_ENCODER);
+
+  if (tStartEncode(&encoder) < 0) return -1;
+  if (tEncodeI32(&encoder, pReq->dnodeId) < 0) return -1;
+  if (tEncodeCStr(&encoder, pReq->fqdn) < 0) return -1;
+  if (tEncodeI32(&encoder, pReq->port) < 0) return -1;
+  tEndEncode(&encoder);
+
+  int32_t tlen = encoder.pos;
+  tCoderClear(&encoder);
+  return tlen;
 }
 
 int32_t tDeserializeSDropDnodeReq(void *buf, int32_t bufLen, SDropDnodeReq *pReq) {
-  return tDeserializeSMCreateDropQSBNodeReq(buf, bufLen, (SMCreateQnodeReq *)pReq);
+  SCoder decoder = {0};
+  tCoderInit(&decoder, TD_LITTLE_ENDIAN, buf, bufLen, TD_DECODER);
+
+  if (tStartDecode(&decoder) < 0) return -1;
+  if (tDecodeI32(&decoder, &pReq->dnodeId) < 0) return -1;
+  if (tDecodeCStrTo(&decoder, pReq->fqdn) < 0) return -1;
+  if (tDecodeI32(&decoder, &pReq->port) < 0) return -1;
+  tEndDecode(&decoder);
+
+  tCoderClear(&decoder);
+  return 0;
 }
 
 int32_t tSerializeSMCreateDropMnodeReq(void *buf, int32_t bufLen, SMCreateMnodeReq *pReq) {
diff --git a/source/libs/nodes/src/nodesUtilFuncs.c b/source/libs/nodes/src/nodesUtilFuncs.c
index 83996a79b7090e4f1f3c5164c3645bcc06c80484..ce3017fa27104ce3c089f84606fb6b78d5b55291 100644
--- a/source/libs/nodes/src/nodesUtilFuncs.c
+++ b/source/libs/nodes/src/nodesUtilFuncs.c
@@ -82,17 +82,41 @@ SNodeptr nodesMakeNode(ENodeType type) {
       return makeNode(type, sizeof(SVnodeModifOpStmt));
     case QUERY_NODE_CREATE_DATABASE_STMT:
       return makeNode(type, sizeof(SCreateDatabaseStmt));
+    case QUERY_NODE_DROP_DATABASE_STMT:
+      return makeNode(type, sizeof(SDropDatabaseStmt));
+    case QUERY_NODE_SHOW_DATABASES_STMT:
+      return makeNode(type, sizeof(SNode));
     case QUERY_NODE_CREATE_TABLE_STMT:
       return makeNode(type, sizeof(SCreateTableStmt));
     case QUERY_NODE_CREATE_SUBTABLE_CLAUSE:
       return makeNode(type, sizeof(SCreateSubTableClause));
     case QUERY_NODE_CREATE_MULTI_TABLE_STMT:
       return makeNode(type, sizeof(SCreateMultiTableStmt));
+    case QUERY_NODE_DROP_TABLE_CLAUSE:
+      return makeNode(type, sizeof(SDropTableClause));
+    case QUERY_NODE_DROP_TABLE_STMT:
+      return makeNode(type, sizeof(SDropTableStmt));
+    case QUERY_NODE_SHOW_TABLES_STMT:
+    case QUERY_NODE_SHOW_STABLES_STMT:
+      return makeNode(type, sizeof(SNode));
+    case QUERY_NODE_CREATE_USER_STMT:
+      return makeNode(type, sizeof(SCreateUserStmt));
+    case QUERY_NODE_ALTER_USER_STMT:
+      return makeNode(type, sizeof(SAlterUserStmt));
+    case QUERY_NODE_DROP_USER_STMT:
+      return makeNode(type, sizeof(SDropUserStmt));
+    case QUERY_NODE_SHOW_USERS_STMT:
+      return makeNode(type, sizeof(SNode));
     case QUERY_NODE_USE_DATABASE_STMT:
       return makeNode(type, sizeof(SUseDatabaseStmt));
-    case QUERY_NODE_SHOW_DATABASES_STMT:
-    case QUERY_NODE_SHOW_TABLES_STMT:
-      return makeNode(type, sizeof(SNode));;
+    case QUERY_NODE_CREATE_DNODE_STMT:
+      return makeNode(type, sizeof(SCreateDnodeStmt));
+    case QUERY_NODE_DROP_DNODE_STMT:
+      return makeNode(type, sizeof(SDropDnodeStmt));
+    case QUERY_NODE_SHOW_DNODES_STMT:
+      return makeNode(type, sizeof(SNode));
+    case QUERY_NODE_SHOW_VGROUPS_STMT:
+      return makeNode(type, sizeof(SNode));
     case QUERY_NODE_LOGIC_PLAN_SCAN:
       return makeNode(type, sizeof(SScanLogicNode));
     case QUERY_NODE_LOGIC_PLAN_JOIN:
diff --git a/source/libs/parser/inc/astCreateFuncs.h b/source/libs/parser/inc/astCreateFuncs.h
index 4f39e8394559209456453db70944bf30cf755cfd..2618b5328fbdb35020199a71cccf0491c0c982ab 100644
--- a/source/libs/parser/inc/astCreateFuncs.h
+++ b/source/libs/parser/inc/astCreateFuncs.h
@@ -22,20 +22,48 @@ extern "C" {
 
 #include "cmdnodes.h"
 #include "parser.h"
+#include "parserUtil.h"
 #include "querynodes.h"
 #include "ttoken.h"
 
 typedef struct SAstCreateContext {
   SParseContext* pQueryCxt;
+  SMsgBuf msgBuf;
   bool notSupport;
   bool valid;
   SNode* pRootNode;
 } SAstCreateContext;
 
-typedef struct STokenPair {
-  SToken first;
-  SToken second;
-} STokenPair;
+typedef enum EDatabaseOptionType {
+  DB_OPTION_BLOCKS = 0,
+  DB_OPTION_CACHE,
+  DB_OPTION_CACHELAST,
+  DB_OPTION_COMP,
+  DB_OPTION_DAYS,
+  DB_OPTION_FSYNC,
+  DB_OPTION_MAXROWS,
+  DB_OPTION_MINROWS,
+  DB_OPTION_KEEP,
+  DB_OPTION_PRECISION,
+  DB_OPTION_QUORUM,
+  DB_OPTION_REPLICA,
+  DB_OPTION_TTL,
+  DB_OPTION_WAL,
+  DB_OPTION_VGROUPS,
+  DB_OPTION_SINGLESTABLE,
+  DB_OPTION_STREAMMODE,
+
+  DB_OPTION_MAX
+} EDatabaseOptionType;
+
+typedef enum ETableOptionType {
+  TABLE_OPTION_KEEP = 0,
+  TABLE_OPTION_TTL,
+  TABLE_OPTION_COMMENT,
+  TABLE_OPTION_SMA,
+
+  TABLE_OPTION_MAX
+} ETableOptionType;
 
 extern SToken nil_token;
 
@@ -81,53 +109,28 @@ SNode* addLimitClause(SAstCreateContext* pCxt, SNode* pStmt, SNode* pLimit);
 SNode* createSelectStmt(SAstCreateContext* pCxt, bool isDistinct, SNodeList* pProjectionList, SNode* pTable);
 SNode* createSetOperator(SAstCreateContext* pCxt, ESetOperatorType type, SNode* pLeft, SNode* pRight);
 
-typedef enum EDatabaseOptionType {
-  DB_OPTION_BLOCKS = 0,
-  DB_OPTION_CACHE,
-  DB_OPTION_CACHELAST,
-  DB_OPTION_COMP,
-  DB_OPTION_DAYS,
-  DB_OPTION_FSYNC,
-  DB_OPTION_MAXROWS,
-  DB_OPTION_MINROWS,
-  DB_OPTION_KEEP,
-  DB_OPTION_PRECISION,
-  DB_OPTION_QUORUM,
-  DB_OPTION_REPLICA,
-  DB_OPTION_TTL,
-  DB_OPTION_WAL,
-  DB_OPTION_VGROUPS,
-  DB_OPTION_SINGLESTABLE,
-  DB_OPTION_STREAMMODE,
-
-  DB_OPTION_MAX
-} EDatabaseOptionType;
 SDatabaseOptions* createDefaultDatabaseOptions(SAstCreateContext* pCxt);
 SDatabaseOptions* setDatabaseOption(SAstCreateContext* pCxt, SDatabaseOptions* pOptions, EDatabaseOptionType type, const SToken* pVal);
 SNode* createCreateDatabaseStmt(SAstCreateContext* pCxt, bool ignoreExists, const SToken* pDbName, SDatabaseOptions* pOptions);
-
-typedef enum ETableOptionType {
-  TABLE_OPTION_KEEP = 0,
-  TABLE_OPTION_TTL,
-  TABLE_OPTION_COMMENT,
-  TABLE_OPTION_SMA,
-
-  TABLE_OPTION_MAX
-} ETableOptionType;
+SNode* createDropDatabaseStmt(SAstCreateContext* pCxt, bool ignoreNotExists, const SToken* pDbName);
 STableOptions* createDefaultTableOptions(SAstCreateContext* pCxt);
 STableOptions* setTableOption(SAstCreateContext* pCxt, STableOptions* pOptions, ETableOptionType type, const SToken* pVal);
 STableOptions* setTableSmaOption(SAstCreateContext* pCxt, STableOptions* pOptions, SNodeList* pSma);
 SNode* createColumnDefNode(SAstCreateContext* pCxt, const SToken* pColName, SDataType dataType, const SToken* pComment);
 SDataType createDataType(uint8_t type);
 SDataType createVarLenDataType(uint8_t type, const SToken* pLen);
-SNode* createCreateTableStmt(SAstCreateContext* pCxt, bool ignoreExists, const STokenPair* pFullTableName, SNodeList* pCols, SNodeList* pTags, STableOptions* pOptions);
-SNode* createCreateSubTableClause(SAstCreateContext* pCxt, bool ignoreExists,
-    const STokenPair* pFullTableName, const STokenPair* pUseFullTableName, SNodeList* pSpecificTags, SNodeList* pValsOfTags);
+SNode* createCreateTableStmt(SAstCreateContext* pCxt, bool ignoreExists, SNode* pRealTable, SNodeList* pCols, SNodeList* pTags, STableOptions* pOptions);
+SNode* createCreateSubTableClause(SAstCreateContext* pCxt, bool ignoreExists, SNode* pRealTable, SNode* pUseRealTable, SNodeList* pSpecificTags, SNodeList* pValsOfTags);
 SNode* createCreateMultiTableStmt(SAstCreateContext* pCxt, SNodeList* pSubTables);
-
+SNode* createDropTableClause(SAstCreateContext* pCxt, bool ignoreNotExists, SNode* pRealTable);
+SNode* createDropTableStmt(SAstCreateContext* pCxt, SNodeList* pTables);
 SNode* createUseDatabaseStmt(SAstCreateContext* pCxt, const SToken* pDbName);
-
 SNode* createShowStmt(SAstCreateContext* pCxt, ENodeType type);
+SNode* createCreateUserStmt(SAstCreateContext* pCxt, const SToken* pUserName, const SToken* pPassword);
+SNode* createAlterUserStmt(SAstCreateContext* pCxt, const SToken* pUserName, int8_t alterType, const SToken* pVal);
+SNode* createDropUserStmt(SAstCreateContext* pCxt, const SToken* pUserName);
+SNode* createCreateDnodeStmt(SAstCreateContext* pCxt, const SToken* pFqdn, const SToken* pPort);
+SNode* createDropDnodeStmt(SAstCreateContext* pCxt, const SToken* pDnode);
 
 #ifdef __cplusplus
 }
diff --git a/source/libs/parser/inc/new_sql.y b/source/libs/parser/inc/new_sql.y
index 942eaf459a39fc2fd2b527dcc8cbafeaa8db0fab..221b3519902e837c6c059763cb230e5505559b4a 100644
--- a/source/libs/parser/inc/new_sql.y
+++ b/source/libs/parser/inc/new_sql.y
@@ -25,18 +25,9 @@
 
 %syntax_error {  
   if(TOKEN.z) {
-    char msg[] = "syntax error near \"%s\"";
-    int32_t sqlLen = strlen(&TOKEN.z[0]);
-
-    if (sqlLen + sizeof(msg)/sizeof(msg[0]) + 1 > pCxt->pQueryCxt->msgLen) {
-        char tmpstr[128] = {0};
-        memcpy(tmpstr, &TOKEN.z[0], sizeof(tmpstr)/sizeof(tmpstr[0]) - 1);
-        sprintf(pCxt->pQueryCxt->pMsg, msg, tmpstr);
-    } else {
-        sprintf(pCxt->pQueryCxt->pMsg, msg, &TOKEN.z[0]);
-    }
+    generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_SYNTAX_ERROR, TOKEN.z);
   } else {
-    sprintf(pCxt->pQueryCxt->pMsg, "Incomplete SQL statement");
+    generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INCOMPLETE_SQL);
   }
   pCxt->valid = false;
 }
@@ -52,12 +43,43 @@
 %left NK_CONCAT.
 //%right NK_BITNOT.
 
-/************************************************ create database *****************************************************/
-cmd ::= CREATE DATABASE exists_opt(A) db_name(B) db_options(C).                   { pCxt->pRootNode = createCreateDatabaseStmt(pCxt, A, &B, C);}
+/************************************************ create/alter/drop/show user *****************************************/
+cmd ::= CREATE USER user_name(A) PASS NK_STRING(B).                               { pCxt->pRootNode = createCreateUserStmt(pCxt, &A, &B);}
+cmd ::= ALTER USER user_name(A) PASS NK_STRING(B).                                { pCxt->pRootNode = createAlterUserStmt(pCxt, &A, TSDB_ALTER_USER_PASSWD, &B);}
+cmd ::= ALTER USER user_name(A) PRIVILEGE NK_STRING(B).                           { pCxt->pRootNode = createAlterUserStmt(pCxt, &A, TSDB_ALTER_USER_PRIVILEGES, &B);}
+cmd ::= DROP USER user_name(A).                                                   { pCxt->pRootNode = createDropUserStmt(pCxt, &A); }
+cmd ::= SHOW USERS.                                                               { pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_USERS_STMT); }
+
+/************************************************ create/drop/show dnode **********************************************/
+cmd ::= CREATE DNODE dnode_endpoint(A).                                           { pCxt->pRootNode = createCreateDnodeStmt(pCxt, &A, NULL);}
+cmd ::= CREATE DNODE dnode_host_name(A) PORT NK_INTEGER(B).                       { pCxt->pRootNode = createCreateDnodeStmt(pCxt, &A, &B);}
+cmd ::= DROP DNODE NK_INTEGER(A).                                                 { pCxt->pRootNode = createDropDnodeStmt(pCxt, &A);}
+cmd ::= DROP DNODE dnode_endpoint(A).                                             { pCxt->pRootNode = createDropDnodeStmt(pCxt, &A);}
+cmd ::= SHOW DNODES.                                                              { pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_DNODES_STMT); }
+
+%type dnode_endpoint                                                              { SToken }
+%destructor dnode_endpoint                                                        { }
+dnode_endpoint(A) ::= NK_STRING(B).                                               { A = B; }
+
+%type dnode_host_name                                                             { SToken }
+%destructor dnode_host_name                                                       { }
+dnode_host_name(A) ::= NK_ID(B).                                                  { A = B; }
+dnode_host_name(A) ::= NK_IPTOKEN(B).                                             { A = B; }
+
+/************************************************ create/drop/show/use database ***************************************/
+cmd ::= CREATE DATABASE not_exists_opt(A) db_name(B) db_options(C).               { pCxt->pRootNode = createCreateDatabaseStmt(pCxt, A, &B, C);}
+cmd ::= DROP DATABASE exists_opt(A) db_name(B).                                   { pCxt->pRootNode = createDropDatabaseStmt(pCxt, A, &B); }
+cmd ::= SHOW DATABASES.                                                           { pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_DATABASES_STMT); }
+cmd ::= USE db_name(A).                                                           { pCxt->pRootNode = createUseDatabaseStmt(pCxt, &A);}
+
+%type not_exists_opt                                                              { bool }
+%destructor not_exists_opt                                                        { }
+not_exists_opt(A) ::= IF NOT EXISTS.                                              { A = true; }
+not_exists_opt(A) ::= .                                                           { A = false; }
 
 %type exists_opt                                                                  { bool }
 %destructor exists_opt                                                            { }
-exists_opt(A) ::= IF NOT EXISTS.                                                  { A = true; }
+exists_opt(A) ::= IF EXISTS.                                                      { A = true; }
 exists_opt(A) ::= .                                                               { A = false; }
 
 %type db_options                                                                  { SDatabaseOptions* }
@@ -81,17 +103,15 @@ db_options(A) ::= db_options(B) VGROUPS NK_INTEGER(C).
 db_options(A) ::= db_options(B) SINGLE_STABLE NK_INTEGER(C).                      { A = setDatabaseOption(pCxt, B, DB_OPTION_SINGLESTABLE, &C); }
 db_options(A) ::= db_options(B) STREAM_MODE NK_INTEGER(C).                        { A = setDatabaseOption(pCxt, B, DB_OPTION_STREAMMODE, &C); }
 
-/************************************************ create database *****************************************************/
-cmd ::= USE db_name(A).                                                           { pCxt->pRootNode = createUseDatabaseStmt(pCxt, &A);}
-
-/************************************************ create table/stable *************************************************/
-cmd ::= CREATE TABLE exists_opt(A) full_table_name(B)
-  NK_LP column_def_list(C) NK_RP tags_def_opt(D) table_options(E).                { pCxt->pRootNode = createCreateTableStmt(pCxt, A, &B, C, D, E);}
-
+/************************************************ create/drop/show table/stable ***************************************/
+cmd ::= CREATE TABLE not_exists_opt(A) full_table_name(B)
+  NK_LP column_def_list(C) NK_RP tags_def_opt(D) table_options(E).                { pCxt->pRootNode = createCreateTableStmt(pCxt, A, B, C, D, E);}
 cmd ::= CREATE TABLE multi_create_clause(A).                                      { pCxt->pRootNode = createCreateMultiTableStmt(pCxt, A);}
-
-cmd ::= CREATE STABLE exists_opt(A) full_table_name(B)
-  NK_LP column_def_list(C) NK_RP tags_def(D) table_options(E).                    { pCxt->pRootNode = createCreateTableStmt(pCxt, A, &B, C, D, E);}
+cmd ::= CREATE STABLE not_exists_opt(A) full_table_name(B)
+  NK_LP column_def_list(C) NK_RP tags_def(D) table_options(E).                    { pCxt->pRootNode = createCreateTableStmt(pCxt, A, B, C, D, E);}
+cmd ::= DROP TABLE multi_drop_clause(A).                                          { pCxt->pRootNode = createDropTableStmt(pCxt, A); }
+cmd ::= SHOW TABLES.                                                              { pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_TABLES_STMT); }
+cmd ::= SHOW STABLES.                                                             { pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_STABLES_STMT); }
 
 %type multi_create_clause                                                         { SNodeList* }
 %destructor multi_create_clause                                                   { nodesDestroyList($$); }
@@ -99,18 +119,23 @@ multi_create_clause(A) ::= create_subtable_clause(B).
 multi_create_clause(A) ::= multi_create_clause(B) create_subtable_clause(C).      { A = addNodeToList(pCxt, B, C); }
 
 create_subtable_clause(A) ::=
-  exists_opt(B) full_table_name(C) USING full_table_name(D)
-  specific_tags_opt(E) TAGS NK_LP literal_list(F) NK_RP.                          { A = createCreateSubTableClause(pCxt, B, &C, &D, E, F); }
+  not_exists_opt(B) full_table_name(C) USING full_table_name(D)
+  specific_tags_opt(E) TAGS NK_LP literal_list(F) NK_RP.                          { A = createCreateSubTableClause(pCxt, B, C, D, E, F); }
+
+%type multi_drop_clause                                                           { SNodeList* }
+%destructor multi_drop_clause                                                     { nodesDestroyList($$); }
+multi_drop_clause(A) ::= drop_table_clause(B).                                    { A = createNodeList(pCxt, B); }
+multi_drop_clause(A) ::= multi_drop_clause(B) drop_table_clause(C).               { A = addNodeToList(pCxt, B, C); }
+
+drop_table_clause(A) ::= exists_opt(B) full_table_name(C).                        { A = createDropTableClause(pCxt, B, C); }
 
 %type specific_tags_opt                                                           { SNodeList* }
 %destructor specific_tags_opt                                                     { nodesDestroyList($$); }
 specific_tags_opt(A) ::= .                                                        { A = NULL; }
 specific_tags_opt(A) ::= NK_LP col_name_list(B) NK_RP.                            { A = B; }
 
-%type full_table_name                                                             { STokenPair }
-%destructor full_table_name                                                       { }
-full_table_name(A) ::= NK_ID(B).                                                  { STokenPair t = { .first = nil_token, .second = B }; A = t; }
-full_table_name(A) ::= NK_ID(B) NK_DOT NK_ID(C).                                  { STokenPair t = { .first = B, .second = C }; A = t; }
+full_table_name(A) ::= table_name(B).                                             { A = createRealTableNode(pCxt, NULL, &B, NULL); }
+full_table_name(A) ::= db_name(B) NK_DOT table_name(C).                           { A = createRealTableNode(pCxt, &B, &C, NULL); }
 
 %type column_def_list                                                             { SNodeList* }
 %destructor column_def_list                                                       { nodesDestroyList($$); }
@@ -171,8 +196,7 @@ col_name_list(A) ::= col_name_list(B) NK_COMMA col_name(C).
 col_name(A) ::= column_name(B).                                                   { A = createColumnNode(pCxt, NULL, &B); }
 
 /************************************************ show ***************************************************************/
-cmd ::= SHOW DATABASES.                                                           { pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_DATABASES_STMT); }
-cmd ::= SHOW TABLES.                                                              { pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_TABLES_STMT); }
+cmd ::= SHOW VGROUPS.                                                             { pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_VGROUPS_STMT); }
 
 /************************************************ select *************************************************************/
 cmd ::= query_expression(A).                                                      { pCxt->pRootNode = A; }
@@ -217,6 +241,10 @@ table_alias(A) ::= NK_ID(B).
 %destructor column_alias                                                          { }
 column_alias(A) ::= NK_ID(B).                                                     { A = B; }
 
+%type user_name                                                                   { SToken }
+%destructor user_name                                                             { }
+user_name(A) ::= NK_ID(B).                                                        { A = B; }
+
 /************************************************ expression **********************************************************/
 expression(A) ::= literal(B).                                                     { A = B; }
 //expression(A) ::= NK_QUESTION(B).                                                 { A = B; }
diff --git a/source/libs/parser/inc/parserUtil.h b/source/libs/parser/inc/parserUtil.h
index 4fbdbeba20cbadbd3f08aae47945e9fdedbbb2e4..50c99bb08bfa79631c30135fcb301e91450f552f 100644
--- a/source/libs/parser/inc/parserUtil.h
+++ b/source/libs/parser/inc/parserUtil.h
@@ -29,6 +29,7 @@ typedef struct SMsgBuf {
   char   *buf;
 } SMsgBuf;
 
+int32_t generateSyntaxErrMsg(SMsgBuf* pBuf, int32_t errCode, ...);
 int32_t buildInvalidOperationMsg(SMsgBuf* pMsgBuf, const char* msg);
 int32_t buildSyntaxErrMsg(SMsgBuf* pBuf, const char* additionalInfo,  const char* sourceStr);
 
diff --git a/source/libs/parser/src/astCreateFuncs.c b/source/libs/parser/src/astCreateFuncs.c
index 756ade34dae338e84b64c5106cdbaad0d47642c0..214960081ab04f030f0249641215cf90a82ff9ed 100644
--- a/source/libs/parser/src/astCreateFuncs.c
+++ b/source/libs/parser/src/astCreateFuncs.c
@@ -33,7 +33,7 @@
     } \
   } while (0)
 
-SToken nil_token = { .type = TK_NIL, .n = 0, .z = NULL };
+SToken nil_token = { .type = TK_NK_NIL, .n = 0, .z = NULL };
 
 typedef SDatabaseOptions* (*FSetDatabaseOption)(SAstCreateContext* pCxt, SDatabaseOptions* pOptions, const SToken* pVal);
 static FSetDatabaseOption setDbOptionFuncs[DB_OPTION_MAX];
@@ -309,6 +309,8 @@ static void initSetTableOptionFp() {
 
 void initAstCreateContext(SParseContext* pParseCxt, SAstCreateContext* pCxt) {
   pCxt->pQueryCxt = pParseCxt;
+  pCxt->msgBuf.buf = pParseCxt->pMsg;
+  pCxt->msgBuf.len = pParseCxt->msgLen;
   pCxt->notSupport = false;
   pCxt->valid = true;
   pCxt->pRootNode = NULL;
@@ -316,6 +318,84 @@ void initAstCreateContext(SParseContext* pParseCxt, SAstCreateContext* pCxt) {
   initSetTableOptionFp();
 }
 
+static bool checkUserName(SAstCreateContext* pCxt, const SToken* pUserName) {
+  if (NULL == pUserName) {
+    return false;
+  }
+  if (pUserName->n >= TSDB_USER_LEN) {
+    generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_NAME_OR_PASSWD_TOO_LONG);
+    pCxt->valid = false;
+  }
+  return pCxt->valid;
+}
+
+static bool checkPassword(SAstCreateContext* pCxt, const SToken* pPasswordToken, char* pPassword) {
+  if (NULL == pPasswordToken) {
+    return false;
+  }
+  if (pPasswordToken->n >= (TSDB_USET_PASSWORD_LEN - 2)) {
+    generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_NAME_OR_PASSWD_TOO_LONG);
+    pCxt->valid = false;
+    return false;
+  }
+  strncpy(pPassword, pPasswordToken->z, pPasswordToken->n);
+  strdequote(pPassword);
+  if (strtrim(pPassword) <= 0) {
+    generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_PASSWD_EMPTY);
+    pCxt->valid = false;
+  }
+  return pCxt->valid;
+}
+
+static bool checkAndSplitEndpoint(SAstCreateContext* pCxt, const SToken* pEp, char* pFqdn, int32_t* pPort) {
+  if (NULL == pEp) {
+    return false;
+  }
+  if (pEp->n >= TSDB_FQDN_LEN + 2 + 6) { // format 'fqdn:port'
+    generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_NAME_OR_PASSWD_TOO_LONG);
+    pCxt->valid = false;
+  }
+  char ep[TSDB_FQDN_LEN + 2 + 6];
+  strncpy(ep, pEp->z, pEp->n);
+  strdequote(ep);
+  strtrim(ep);
+  char* pColon = strchr(ep, ':');
+  if (NULL == pColon) {
+    generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_ENDPOINT);
+    pCxt->valid = false;
+  }
+  strncpy(pFqdn, ep, pColon - ep);
+  *pPort = strtol(pColon + 1, NULL, 10);
+  if (*pPort >= UINT16_MAX || *pPort <= 0) {
+    generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_PORT);
+    pCxt->valid = false;
+  }
+  return pCxt->valid;
+}
+
+static bool checkFqdn(SAstCreateContext* pCxt, const SToken* pFqdn) {
+  if (NULL == pFqdn) {
+    return false;
+  }
+  if (pFqdn->n >= TSDB_FQDN_LEN) {
+    generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_NAME_OR_PASSWD_TOO_LONG);
+    pCxt->valid = false;
+  }
+  return pCxt->valid;
+}
+
+static bool checkPort(SAstCreateContext* pCxt, const SToken* pPortToken, int32_t* pPort) {
+  if (NULL == pPortToken) {
+    return false;
+  }
+  *pPort = strtol(pPortToken->z, NULL, 10);
+  if (*pPort >= UINT16_MAX || *pPort <= 0) {
+    generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_PORT);
+    pCxt->valid = false;
+  }
+  return pCxt->valid;
+}
+
 static bool checkDbName(SAstCreateContext* pCxt, const SToken* pDbName) {
   if (NULL == pDbName) {
     return true;
@@ -487,7 +567,7 @@ SNode* createRealTableNode(SAstCreateContext* pCxt, const SToken* pDbName, const
   } else {
     strcpy(realTable->table.dbName, pCxt->pQueryCxt->db);
   }
-  if (NULL != pTableAlias && TK_NIL != pTableAlias->type) {
+  if (NULL != pTableAlias && TK_NK_NIL != pTableAlias->type) {
     strncpy(realTable->table.tableAlias, pTableAlias->z, pTableAlias->n);
   } else {
     strncpy(realTable->table.tableAlias, pTableName->z, pTableName->n);
@@ -500,7 +580,7 @@ SNode* createTempTableNode(SAstCreateContext* pCxt, SNode* pSubquery, const STok
   STempTableNode* tempTable = (STempTableNode*)nodesMakeNode(QUERY_NODE_TEMP_TABLE);
   CHECK_OUT_OF_MEM(tempTable);
   tempTable->pSubquery = pSubquery;
-  if (NULL != pTableAlias && TK_NIL != pTableAlias->type) {
+  if (NULL != pTableAlias && TK_NK_NIL != pTableAlias->type) {
     strncpy(tempTable->table.tableAlias, pTableAlias->z, pTableAlias->n);
   }
   return (SNode*)tempTable;
@@ -700,6 +780,17 @@ SNode* createCreateDatabaseStmt(SAstCreateContext* pCxt, bool ignoreExists, cons
   return (SNode*)pStmt;
 }
 
+SNode* createDropDatabaseStmt(SAstCreateContext* pCxt, bool ignoreNotExists, const SToken* pDbName) {
+  if (!checkDbName(pCxt, pDbName)) {
+    return NULL;
+  }
+  SDropDatabaseStmt* pStmt = (SDropDatabaseStmt*)nodesMakeNode(QUERY_NODE_DROP_DATABASE_STMT);
+  CHECK_OUT_OF_MEM(pStmt);
+  strncpy(pStmt->dbName, pDbName->z, pDbName->n);
+  pStmt->ignoreNotExists = ignoreNotExists;
+  return (SNode*)pStmt;
+}
+
 STableOptions* createDefaultTableOptions(SAstCreateContext* pCxt) {
   STableOptions* pOptions = calloc(1, sizeof(STableOptions));
   CHECK_OUT_OF_MEM(pOptions);
@@ -739,41 +830,32 @@ SDataType createVarLenDataType(uint8_t type, const SToken* pLen) {
 }
 
 SNode* createCreateTableStmt(SAstCreateContext* pCxt,
-    bool ignoreExists, const STokenPair* pFullTableName, SNodeList* pCols, SNodeList* pTags, STableOptions* pOptions) {
+    bool ignoreExists, SNode* pRealTable, SNodeList* pCols, SNodeList* pTags, STableOptions* pOptions) {
   SCreateTableStmt* pStmt = (SCreateTableStmt*)nodesMakeNode(QUERY_NODE_CREATE_TABLE_STMT);
   CHECK_OUT_OF_MEM(pStmt);
-  if (TK_NIL != pFullTableName->first.type) {
-    strncpy(pStmt->dbName, pFullTableName->first.z, pFullTableName->first.n);
-  } else {
-    strcpy(pStmt->dbName, pCxt->pQueryCxt->db);
-  }
-  strncpy(pStmt->tableName, pFullTableName->second.z, pFullTableName->second.n);
+  strcpy(pStmt->dbName, ((SRealTableNode*)pRealTable)->table.dbName);
+  strcpy(pStmt->tableName, ((SRealTableNode*)pRealTable)->table.tableName);
   pStmt->ignoreExists = ignoreExists;
   pStmt->pCols = pCols;
   pStmt->pTags = pTags;
   pStmt->options = *pOptions;
+  nodesDestroyNode(pRealTable);
   return (SNode*)pStmt;
 }
 
-SNode* createCreateSubTableClause(SAstCreateContext* pCxt, bool ignoreExists,
-    const STokenPair* pFullTableName, const STokenPair* pUseFullTableName, SNodeList* pSpecificTags, SNodeList* pValsOfTags) {
+SNode* createCreateSubTableClause(SAstCreateContext* pCxt,
+    bool ignoreExists, SNode* pRealTable, SNode* pUseRealTable, SNodeList* pSpecificTags, SNodeList* pValsOfTags) {
   SCreateSubTableClause* pStmt = nodesMakeNode(QUERY_NODE_CREATE_SUBTABLE_CLAUSE);
   CHECK_OUT_OF_MEM(pStmt);
-  if (TK_NIL != pFullTableName->first.type) {
-    strncpy(pStmt->dbName, pFullTableName->first.z, pFullTableName->first.n);
-  } else {
-    strcpy(pStmt->dbName, pCxt->pQueryCxt->db);
-  }
-  strncpy(pStmt->tableName, pFullTableName->second.z, pFullTableName->second.n);
-  if (TK_NIL != pUseFullTableName->first.type) {
-    strncpy(pStmt->useDbName, pUseFullTableName->first.z, pUseFullTableName->first.n);
-  } else {
-    strcpy(pStmt->useDbName, pCxt->pQueryCxt->db);
-  }
-  strncpy(pStmt->useTableName, pUseFullTableName->second.z, pUseFullTableName->second.n);
+  strcpy(pStmt->dbName, ((SRealTableNode*)pRealTable)->table.dbName);
+  strcpy(pStmt->tableName, ((SRealTableNode*)pRealTable)->table.tableName);
+  strcpy(pStmt->useDbName, ((SRealTableNode*)pUseRealTable)->table.dbName);
+  strcpy(pStmt->useTableName, ((SRealTableNode*)pUseRealTable)->table.tableName);
   pStmt->ignoreExists = ignoreExists;
   pStmt->pSpecificTags = pSpecificTags;
   pStmt->pValsOfTags = pValsOfTags;
+  nodesDestroyNode(pRealTable);
+  nodesDestroyNode(pUseRealTable);
   return (SNode*)pStmt;
 }
 
@@ -784,6 +866,23 @@ SNode* createCreateMultiTableStmt(SAstCreateContext* pCxt, SNodeList* pSubTables
   return (SNode*)pStmt;
 }
 
+SNode* createDropTableClause(SAstCreateContext* pCxt, bool ignoreNotExists, SNode* pRealTable) {
+  SDropTableClause* pStmt = nodesMakeNode(QUERY_NODE_DROP_TABLE_CLAUSE);
+  CHECK_OUT_OF_MEM(pStmt);
+  strcpy(pStmt->dbName, ((SRealTableNode*)pRealTable)->table.dbName);
+  strcpy(pStmt->tableName, ((SRealTableNode*)pRealTable)->table.tableName);
+  pStmt->ignoreNotExists = ignoreNotExists;
+  nodesDestroyNode(pRealTable);
+  return (SNode*)pStmt;
+}
+
+SNode* createDropTableStmt(SAstCreateContext* pCxt, SNodeList* pTables) {
+  SDropTableStmt* pStmt = nodesMakeNode(QUERY_NODE_DROP_TABLE_STMT);
+  CHECK_OUT_OF_MEM(pStmt);
+  pStmt->pTables = pTables;
+  return (SNode*)pStmt;
+}
+
 SNode* createUseDatabaseStmt(SAstCreateContext* pCxt, const SToken* pDbName) {
   SUseDatabaseStmt* pStmt = (SUseDatabaseStmt*)nodesMakeNode(QUERY_NODE_USE_DATABASE_STMT);
   CHECK_OUT_OF_MEM(pStmt);
@@ -796,3 +895,79 @@ SNode* createShowStmt(SAstCreateContext* pCxt, ENodeType type) {
   CHECK_OUT_OF_MEM(pStmt);
   return pStmt;
 }
+
+SNode* createCreateUserStmt(SAstCreateContext* pCxt, const SToken* pUserName, const SToken* pPassword) {
+  char password[TSDB_USET_PASSWORD_LEN] = {0};
+  if (!checkUserName(pCxt, pUserName) || !checkPassword(pCxt, pPassword, password)) {
+    return NULL;
+  }
+  SCreateUserStmt* pStmt = (SCreateUserStmt*)nodesMakeNode(QUERY_NODE_CREATE_USER_STMT);
+  CHECK_OUT_OF_MEM(pStmt);
+  strncpy(pStmt->useName, pUserName->z, pUserName->n);
+  strcpy(pStmt->password, password);
+  return (SNode*)pStmt;
+}
+
+SNode* createAlterUserStmt(SAstCreateContext* pCxt, const SToken* pUserName, int8_t alterType, const SToken* pVal) {
+  if (!checkUserName(pCxt, pUserName)) {
+    return NULL;
+  }
+  SAlterUserStmt* pStmt = (SAlterUserStmt*)nodesMakeNode(QUERY_NODE_ALTER_USER_STMT);
+  CHECK_OUT_OF_MEM(pStmt);
+  strncpy(pStmt->useName, pUserName->z, pUserName->n);
+  if (TSDB_ALTER_USER_PASSWD == alterType) {
+    char password[TSDB_USET_PASSWORD_LEN] = {0};
+    if (!checkPassword(pCxt, pVal, password)) {
+      nodesDestroyNode(pStmt);
+      return NULL;
+    }
+    strcpy(pStmt->password, password);
+  }
+  pStmt->alterType = alterType;
+  return (SNode*)pStmt;
+}
+
+SNode* createDropUserStmt(SAstCreateContext* pCxt, const SToken* pUserName) {
+  if (!checkUserName(pCxt, pUserName)) {
+    return NULL;
+  }
+  SDropUserStmt* pStmt = (SDropUserStmt*)nodesMakeNode(QUERY_NODE_DROP_USER_STMT);
+  CHECK_OUT_OF_MEM(pStmt);
+  strncpy(pStmt->useName, pUserName->z, pUserName->n);
+  return (SNode*)pStmt;
+}
+
+SNode* createCreateDnodeStmt(SAstCreateContext* pCxt, const SToken* pFqdn, const SToken* pPort) {
+  int32_t port = 0;
+  char fqdn[TSDB_FQDN_LEN] = {0};
+  if (NULL == pPort) {
+    if (!checkAndSplitEndpoint(pCxt, pFqdn, fqdn, &port)) {
+      return NULL;
+    }
+  } else if (!checkFqdn(pCxt, pFqdn) || !checkPort(pCxt, pPort, &port)) {
+    return NULL;
+  }
+  SCreateDnodeStmt* pStmt = (SCreateDnodeStmt*)nodesMakeNode(QUERY_NODE_CREATE_DNODE_STMT);
+  CHECK_OUT_OF_MEM(pStmt);
+  if (NULL == pPort) {
+    strcpy(pStmt->fqdn, fqdn);
+  } else {
+    strncpy(pStmt->fqdn, pFqdn->z, pFqdn->n);
+  }
+  pStmt->port = port;
+  return (SNode*)pStmt;
+}
+
+SNode* createDropDnodeStmt(SAstCreateContext* pCxt, const SToken* pDnode) {
+  SDropDnodeStmt* pStmt = (SDropDnodeStmt*)nodesMakeNode(QUERY_NODE_DROP_DNODE_STMT);
+  CHECK_OUT_OF_MEM(pStmt);
+  if (TK_NK_INTEGER == pDnode->type) {
+    pStmt->dnodeId = strtol(pDnode->z, NULL, 10);
+  } else {
+    if (!checkAndSplitEndpoint(pCxt, pDnode, pStmt->fqdn, &pStmt->port)) {
+      nodesDestroyNode(pStmt);
+      return NULL;
+    }
+  }
+  return (SNode*)pStmt;
+}
diff --git a/source/libs/parser/src/astParse.c b/source/libs/parser/src/astParse.c
index 71ac16ce6e5ea44eb14316886532f48fe9c562fd..8be03b54b392dc91ba8b0346180619c73c61368a 100644
--- a/source/libs/parser/src/astParse.c
+++ b/source/libs/parser/src/astParse.c
@@ -46,7 +46,7 @@ int32_t doParse(SParseContext* pParseCxt, SQuery** pQuery) {
       case TK_NK_COMMENT: {
         break;
       }
-      case TK_SEMI: {
+      case TK_NK_SEMI: {
         NewParse(pParser, 0, t0, &cxt);
         goto abort_parse;
       }
diff --git a/source/libs/parser/src/astTranslate.c b/source/libs/parser/src/astTranslate.c
index aba3ea4b9b471f1b377a8e647b2f69b539b34869..e2fb84c7ed12cb1b4fba70dbd2537d906122e16b 100644
--- a/source/libs/parser/src/astTranslate.c
+++ b/source/libs/parser/src/astTranslate.c
@@ -42,50 +42,13 @@ typedef struct STranslateContext {
 
 static int32_t translateSubquery(STranslateContext* pCxt, SNode* pNode);
 
-static char* getSyntaxErrFormat(int32_t errCode) {
-  switch (errCode) {
-    case TSDB_CODE_PAR_INVALID_COLUMN:
-      return "Invalid column name : %s";
-    case TSDB_CODE_PAR_TABLE_NOT_EXIST:
-      return "Table does not exist : %s";
-    case TSDB_CODE_PAR_AMBIGUOUS_COLUMN:
-      return "Column ambiguously defined : %s";
-    case TSDB_CODE_PAR_WRONG_VALUE_TYPE:
-      return "Invalid value type : %s";
-    case TSDB_CODE_PAR_INVALID_FUNTION:
-      return "Invalid function name : %s";
-    case TSDB_CODE_PAR_FUNTION_PARA_NUM:
-      return "Invalid number of arguments : %s";
-    case TSDB_CODE_PAR_FUNTION_PARA_TYPE:
-      return "Inconsistent datatypes : %s";
-    case TSDB_CODE_PAR_ILLEGAL_USE_AGG_FUNCTION:
-      return "There mustn't be aggregation";
-    case TSDB_CODE_PAR_WRONG_NUMBER_OF_SELECT:
-      return "ORDER BY item must be the number of a SELECT-list expression";
-    case TSDB_CODE_PAR_GROUPBY_LACK_EXPRESSION:
-      return "Not a GROUP BY expression";
-    case TSDB_CODE_PAR_NOT_SELECTED_EXPRESSION:
-      return "Not SELECTed expression";
-    case TSDB_CODE_PAR_NOT_SINGLE_GROUP:
-      return "Not a single-group group function";
-    case TSDB_CODE_PAR_TAGS_NOT_MATCHED:
-      return "tags number not matched";
-    case TSDB_CODE_PAR_INVALID_TAG_NAME:
-      return "invalid tag name : %s";
-    case TSDB_CODE_OUT_OF_MEMORY:
-      return "Out of memory";
-    default:
-      return "Unknown error";
-  }
-}
-
-static int32_t generateSyntaxErrMsg(STranslateContext* pCxt, int32_t errCode, ...) {
+static EDealRes generateDealNodeErrMsg(STranslateContext* pCxt, int32_t errCode, ...) {
   va_list vArgList;
   va_start(vArgList, errCode);
-  vsnprintf(pCxt->msgBuf.buf, pCxt->msgBuf.len, getSyntaxErrFormat(errCode), vArgList);
+  generateSyntaxErrMsg(&pCxt->msgBuf, errCode, vArgList);
   va_end(vArgList);
   pCxt->errCode = errCode;
-  return errCode;
+  return DEAL_RES_ERROR;
 }
 
 static int32_t addNamespace(STranslateContext* pCxt, void* pTable) {
@@ -166,7 +129,7 @@ static int32_t createColumnNodeByTable(STranslateContext* pCxt, const STableNode
     for (int32_t i = 0; i < nums; ++i) {
       SColumnNode* pCol = (SColumnNode*)nodesMakeNode(QUERY_NODE_COLUMN);
       if (NULL == pCol) {
-        return generateSyntaxErrMsg(pCxt, TSDB_CODE_OUT_OF_MEMORY);
+        return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_OUT_OF_MEMORY);
       }
       setColumnInfoBySchema((SRealTableNode*)pTable, pMeta->schema + i, (i < pMeta->tableInfo.numOfTags), pCol);
       nodesListAppend(pList, (SNode*)pCol);
@@ -177,7 +140,7 @@ static int32_t createColumnNodeByTable(STranslateContext* pCxt, const STableNode
     FOREACH(pNode, pProjectList) {
       SColumnNode* pCol = (SColumnNode*)nodesMakeNode(QUERY_NODE_COLUMN);
       if (NULL == pCol) {
-        return generateSyntaxErrMsg(pCxt, TSDB_CODE_OUT_OF_MEMORY);
+        return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_OUT_OF_MEMORY);
       }
       setColumnInfoByExpr(pTable, (SExprNode*)pNode, pCol);
       nodesListAppend(pList, (SNode*)pCol);
@@ -224,13 +187,11 @@ static EDealRes translateColumnWithPrefix(STranslateContext* pCxt, SColumnNode*
       if (findAndSetColumn(pCol, pTable)) {
         break;
       }
-      generateSyntaxErrMsg(pCxt, TSDB_CODE_PAR_INVALID_COLUMN, pCol->colName);
-      return DEAL_RES_ERROR;
+      return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_INVALID_COLUMN, pCol->colName);
     }
   }
   if (!foundTable) {
-    generateSyntaxErrMsg(pCxt, TSDB_CODE_PAR_TABLE_NOT_EXIST, pCol->tableAlias);
-    return DEAL_RES_ERROR;
+    return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_TABLE_NOT_EXIST, pCol->tableAlias);
   }
   return DEAL_RES_CONTINUE;
 }
@@ -243,15 +204,13 @@ static EDealRes translateColumnWithoutPrefix(STranslateContext* pCxt, SColumnNod
     STableNode* pTable = taosArrayGetP(pTables, i);
     if (findAndSetColumn(pCol, pTable)) {
       if (found) {
-        generateSyntaxErrMsg(pCxt, TSDB_CODE_PAR_AMBIGUOUS_COLUMN, pCol->colName);
-        return DEAL_RES_ERROR;
+        return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_AMBIGUOUS_COLUMN, pCol->colName);
       }
       found = true;
     }
   }
   if (!found) {
-    generateSyntaxErrMsg(pCxt, TSDB_CODE_PAR_INVALID_COLUMN, pCol->colName);
-    return DEAL_RES_ERROR;
+    return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_INVALID_COLUMN, pCol->colName);
   }
   return DEAL_RES_CONTINUE;
 }
@@ -297,8 +256,7 @@ static EDealRes translateValue(STranslateContext* pCxt, SValueNode* pVal) {
   if (pVal->isDuration) {
     char unit = 0;
     if (parseAbsoluteDuration(pVal->literal, strlen(pVal->literal), &pVal->datum.i, &unit, pVal->node.resType.precision) != TSDB_CODE_SUCCESS) {
-      generateSyntaxErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, pVal->literal);
-      return DEAL_RES_ERROR;
+      return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, pVal->literal);
     }
   } else {
     switch (pVal->node.resType.type) {
@@ -336,8 +294,7 @@ static EDealRes translateValue(STranslateContext* pCxt, SValueNode* pVal) {
         int32_t n = strlen(pVal->literal);
         pVal->datum.p = calloc(1, n + VARSTR_HEADER_SIZE);
         if (NULL == pVal->datum.p) {
-          generateSyntaxErrMsg(pCxt, TSDB_CODE_OUT_OF_MEMORY);
-          return DEAL_RES_ERROR;
+          return generateDealNodeErrMsg(pCxt, TSDB_CODE_OUT_OF_MEMORY);
         }
         trimStringWithVarFormat(pVal->literal, n, true, pVal->datum.p);
         break;
@@ -346,14 +303,12 @@ static EDealRes translateValue(STranslateContext* pCxt, SValueNode* pVal) {
         int32_t n = strlen(pVal->literal);
         char* tmp = calloc(1, n);
         if (NULL == tmp) {
-          generateSyntaxErrMsg(pCxt, TSDB_CODE_OUT_OF_MEMORY);
-          return DEAL_RES_ERROR;
+          return generateDealNodeErrMsg(pCxt, TSDB_CODE_OUT_OF_MEMORY);
         }
         int32_t len = trimStringWithVarFormat(pVal->literal, n, false, tmp);
         if (taosParseTime(tmp, &pVal->datum.i, len, pVal->node.resType.precision, tsDaylight) != TSDB_CODE_SUCCESS) {
           tfree(tmp);
-          generateSyntaxErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, pVal->literal);
-          return DEAL_RES_ERROR;
+          return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, pVal->literal);
         }
         tfree(tmp);
         break;
@@ -376,16 +331,14 @@ static EDealRes translateOperator(STranslateContext* pCxt, SOperatorNode* pOp) {
   if (nodesIsArithmeticOp(pOp)) {
     if (TSDB_DATA_TYPE_JSON == ldt.type || TSDB_DATA_TYPE_BLOB == ldt.type ||
         TSDB_DATA_TYPE_JSON == rdt.type || TSDB_DATA_TYPE_BLOB == rdt.type) {
-      generateSyntaxErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, ((SExprNode*)(pOp->pRight))->aliasName);
-      return DEAL_RES_ERROR;
+      return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, ((SExprNode*)(pOp->pRight))->aliasName);
     }
     pOp->node.resType.type = TSDB_DATA_TYPE_DOUBLE;
     pOp->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_DOUBLE].bytes;
   } else if (nodesIsComparisonOp(pOp)) {
     if (TSDB_DATA_TYPE_JSON == ldt.type || TSDB_DATA_TYPE_BLOB == ldt.type ||
         TSDB_DATA_TYPE_JSON == rdt.type || TSDB_DATA_TYPE_BLOB == rdt.type) {
-      generateSyntaxErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, ((SExprNode*)(pOp->pRight))->aliasName);
-      return DEAL_RES_ERROR;
+      return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, ((SExprNode*)(pOp->pRight))->aliasName);
     }
     pOp->node.resType.type = TSDB_DATA_TYPE_BOOL;
     pOp->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_BOOL].bytes;
@@ -397,17 +350,14 @@ static EDealRes translateOperator(STranslateContext* pCxt, SOperatorNode* pOp) {
 
 static EDealRes translateFunction(STranslateContext* pCxt, SFunctionNode* pFunc) {
   if (TSDB_CODE_SUCCESS != fmGetFuncInfo(pFunc->functionName, &pFunc->funcId, &pFunc->funcType)) {
-    generateSyntaxErrMsg(pCxt, TSDB_CODE_PAR_INVALID_FUNTION, pFunc->functionName);
-    return DEAL_RES_ERROR;
+    return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_INVALID_FUNTION, pFunc->functionName);
   }
   int32_t code = fmGetFuncResultType(pFunc);
   if (TSDB_CODE_SUCCESS != code) {
-    generateSyntaxErrMsg(pCxt, code, pFunc->functionName);
-    return DEAL_RES_ERROR;
+    return generateDealNodeErrMsg(pCxt, code, pFunc->functionName);
   }
   if (fmIsAggFunc(pFunc->funcId) && beforeHaving(pCxt->currClause)) {
-    generateSyntaxErrMsg(pCxt, TSDB_CODE_PAR_ILLEGAL_USE_AGG_FUNCTION);
-    return DEAL_RES_ERROR;
+    return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_ILLEGAL_USE_AGG_FUNCTION);
   }
   return DEAL_RES_CONTINUE;
 }
@@ -498,8 +448,7 @@ static EDealRes doCheckExprForGroupBy(SNode* pNode, void* pContext) {
   }
   if (QUERY_NODE_COLUMN == nodeType(pNode) ||
       (QUERY_NODE_FUNCTION == nodeType(pNode) && fmIsAggFunc(((SFunctionNode*)pNode)->funcId) && isDistinctOrderBy(pCxt))) {
-    generateSyntaxErrMsg(pCxt, getGroupByErrorCode(pCxt));
-    return DEAL_RES_ERROR;
+    return generateDealNodeErrMsg(pCxt, getGroupByErrorCode(pCxt));
   }
   return DEAL_RES_CONTINUE;
 }
@@ -545,7 +494,7 @@ static int32_t checkAggColCoexist(STranslateContext* pCxt, SSelectStmt* pSelect)
     nodesWalkList(pSelect->pOrderByList, doCheckAggColCoexist, &cxt);
   }
   if (cxt.existAggFunc && cxt.existCol) {
-    return generateSyntaxErrMsg(pCxt, TSDB_CODE_PAR_NOT_SINGLE_GROUP);
+    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_NOT_SINGLE_GROUP);
   }
   return TSDB_CODE_SUCCESS;
 }
@@ -582,7 +531,7 @@ static int32_t translateTable(STranslateContext* pCxt, SNode* pTable) {
       code = catalogGetTableMeta(pCxt->pParseCxt->pCatalog, pCxt->pParseCxt->pTransporter, &(pCxt->pParseCxt->mgmtEpSet),
           toName(pCxt->pParseCxt->acctId, pRealTable, &name), &(pRealTable->pMeta));
       if (TSDB_CODE_SUCCESS != code) {
-        return generateSyntaxErrMsg(pCxt, TSDB_CODE_PAR_TABLE_NOT_EXIST, pRealTable->table.tableName);
+        return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_TABLE_NOT_EXIST, pRealTable->table.tableName);
       }
       code = setTableVgroupList(pCxt, &name, &(pRealTable->pVgroupList));
       if (TSDB_CODE_SUCCESS != code) {
@@ -622,7 +571,7 @@ static int32_t translateStar(STranslateContext* pCxt, SSelectStmt* pSelect, bool
     size_t nums = taosArrayGetSize(pTables);
     pSelect->pProjectionList = nodesMakeList();
     if (NULL == pSelect->pProjectionList) {
-      return generateSyntaxErrMsg(pCxt, TSDB_CODE_OUT_OF_MEMORY);
+      return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_OUT_OF_MEMORY);
     }
     for (size_t i = 0; i < nums; ++i) {
       STableNode* pTable = taosArrayGetP(pTables, i);
@@ -684,11 +633,11 @@ static int32_t translateOrderByPosition(STranslateContext* pCxt, SNodeList* pPro
         ERASE_NODE(pOrderByList);
         continue;
       } else if (0 == pos || pos > LIST_LENGTH(pProjectionList)) {
-        return generateSyntaxErrMsg(pCxt, TSDB_CODE_PAR_WRONG_NUMBER_OF_SELECT);
+        return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_WRONG_NUMBER_OF_SELECT);
       } else {
         SColumnNode* pCol = (SColumnNode*)nodesMakeNode(QUERY_NODE_COLUMN);
         if (NULL == pCol) {
-          return generateSyntaxErrMsg(pCxt, TSDB_CODE_OUT_OF_MEMORY);
+          return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_OUT_OF_MEMORY);
         }
         setColumnInfoByExpr(NULL, (SExprNode*)nodesListGetNode(pProjectionList, pos - 1), pCol);
         ((SOrderByExprNode*)pNode)->pExpr = (SNode*)pCol;
@@ -733,7 +682,7 @@ static int32_t translateSelectList(STranslateContext* pCxt, SSelectStmt* pSelect
 
 static int32_t translateHaving(STranslateContext* pCxt, SSelectStmt* pSelect) {
   if (NULL == pSelect->pGroupByList && NULL != pSelect->pHaving) {
-    return generateSyntaxErrMsg(pCxt, TSDB_CODE_PAR_GROUPBY_LACK_EXPRESSION);
+    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_GROUPBY_LACK_EXPRESSION);
   }
   pCxt->currClause = SQL_CLAUSE_HAVING;
   int32_t code = translateExpr(pCxt, pSelect->pHaving);
@@ -845,6 +794,29 @@ static int32_t translateCreateDatabase(STranslateContext* pCxt, SCreateDatabaseS
   return TSDB_CODE_SUCCESS;
 }
 
+static int32_t translateDropDatabase(STranslateContext* pCxt, SDropDatabaseStmt* pStmt) {
+  SDropDbReq dropReq = {0};
+  SName name = {0};
+  tNameSetDbName(&name, pCxt->pParseCxt->acctId, pStmt->dbName, strlen(pStmt->dbName));
+  tNameGetFullDbName(&name, dropReq.db);
+  dropReq.ignoreNotExists = pStmt->ignoreNotExists;
+
+  pCxt->pCmdMsg = malloc(sizeof(SCmdMsgInfo));
+  if (NULL== pCxt->pCmdMsg) {
+    return TSDB_CODE_OUT_OF_MEMORY;
+  }
+  pCxt->pCmdMsg->epSet = pCxt->pParseCxt->mgmtEpSet;
+  pCxt->pCmdMsg->msgType = TDMT_MND_DROP_DB;
+  pCxt->pCmdMsg->msgLen = tSerializeSDropDbReq(NULL, 0, &dropReq);
+  pCxt->pCmdMsg->pMsg = malloc(pCxt->pCmdMsg->msgLen);
+  if (NULL== pCxt->pCmdMsg->pMsg) {
+    return TSDB_CODE_OUT_OF_MEMORY;
+  }
+  tSerializeSDropDbReq(pCxt->pCmdMsg->pMsg, pCxt->pCmdMsg->msgLen, &dropReq);
+
+  return TSDB_CODE_SUCCESS;
+}
+
 static int32_t columnNodeToField(SNodeList* pList, SArray** pArray) {
   *pArray = taosArrayInit(LIST_LENGTH(pList), sizeof(SField));
   SNode* pNode;
@@ -911,8 +883,142 @@ static int32_t translateUseDatabase(STranslateContext* pCxt, SUseDatabaseStmt* p
   return TSDB_CODE_SUCCESS;
 }
 
-static int32_t translateShowDatabases(STranslateContext* pCxt) {
-  SShowReq showReq = { .type = TSDB_MGMT_TABLE_DB };
+static int32_t translateCreateUser(STranslateContext* pCxt, SCreateUserStmt* pStmt) {
+  SCreateUserReq createReq = {0};
+  strcpy(createReq.user, pStmt->useName);
+  createReq.createType = 0;
+  createReq.superUser = 0;
+  strcpy(createReq.pass, pStmt->password);
+
+  pCxt->pCmdMsg = malloc(sizeof(SCmdMsgInfo));
+  if (NULL== pCxt->pCmdMsg) {
+    return TSDB_CODE_OUT_OF_MEMORY;
+  }
+  pCxt->pCmdMsg->epSet = pCxt->pParseCxt->mgmtEpSet;
+  pCxt->pCmdMsg->msgType = TDMT_MND_CREATE_USER;
+  pCxt->pCmdMsg->msgLen = tSerializeSCreateUserReq(NULL, 0, &createReq);
+  pCxt->pCmdMsg->pMsg = malloc(pCxt->pCmdMsg->msgLen);
+  if (NULL== pCxt->pCmdMsg->pMsg) {
+    return TSDB_CODE_OUT_OF_MEMORY;
+  }
+  tSerializeSCreateUserReq(pCxt->pCmdMsg->pMsg, pCxt->pCmdMsg->msgLen, &createReq);
+
+  return TSDB_CODE_SUCCESS;
+}
+
+static int32_t translateAlterUser(STranslateContext* pCxt, SAlterUserStmt* pStmt) {
+  SAlterUserReq alterReq = {0};
+  strcpy(alterReq.user, pStmt->useName);
+  alterReq.alterType = pStmt->alterType;
+  alterReq.superUser = 0;
+  strcpy(alterReq.pass, pStmt->password);
+  if (NULL != pCxt->pParseCxt->db) {
+    strcpy(alterReq.dbname, pCxt->pParseCxt->db);
+  }
+
+  pCxt->pCmdMsg = malloc(sizeof(SCmdMsgInfo));
+  if (NULL== pCxt->pCmdMsg) {
+    return TSDB_CODE_OUT_OF_MEMORY;
+  }
+  pCxt->pCmdMsg->epSet = pCxt->pParseCxt->mgmtEpSet;
+  pCxt->pCmdMsg->msgType = TDMT_MND_ALTER_USER;
+  pCxt->pCmdMsg->msgLen = tSerializeSAlterUserReq(NULL, 0, &alterReq);
+  pCxt->pCmdMsg->pMsg = malloc(pCxt->pCmdMsg->msgLen);
+  if (NULL== pCxt->pCmdMsg->pMsg) {
+    return TSDB_CODE_OUT_OF_MEMORY;
+  }
+  tSerializeSAlterUserReq(pCxt->pCmdMsg->pMsg, pCxt->pCmdMsg->msgLen, &alterReq);
+
+  return TSDB_CODE_SUCCESS; 
+}
+
+static int32_t translateDropUser(STranslateContext* pCxt, SDropUserStmt* pStmt) {
+  SDropUserReq dropReq = {0};
+  strcpy(dropReq.user, pStmt->useName);
+
+  pCxt->pCmdMsg = malloc(sizeof(SCmdMsgInfo));
+  if (NULL== pCxt->pCmdMsg) {
+    return TSDB_CODE_OUT_OF_MEMORY;
+  }
+  pCxt->pCmdMsg->epSet = pCxt->pParseCxt->mgmtEpSet;
+  pCxt->pCmdMsg->msgType = TDMT_MND_DROP_USER;
+  pCxt->pCmdMsg->msgLen = tSerializeSDropUserReq(NULL, 0, &dropReq);
+  pCxt->pCmdMsg->pMsg = malloc(pCxt->pCmdMsg->msgLen);
+  if (NULL== pCxt->pCmdMsg->pMsg) {
+    return TSDB_CODE_OUT_OF_MEMORY;
+  }
+  tSerializeSDropUserReq(pCxt->pCmdMsg->pMsg, pCxt->pCmdMsg->msgLen, &dropReq);
+
+  return TSDB_CODE_SUCCESS;
+}
+
+static int32_t translateCreateDnode(STranslateContext* pCxt, SCreateDnodeStmt* pStmt) {
+  SCreateDnodeReq createReq = {0};
+  strcpy(createReq.fqdn, pStmt->fqdn);
+  createReq.port = pStmt->port;
+
+  pCxt->pCmdMsg = malloc(sizeof(SCmdMsgInfo));
+  if (NULL== pCxt->pCmdMsg) {
+    return TSDB_CODE_OUT_OF_MEMORY;
+  }
+  pCxt->pCmdMsg->epSet = pCxt->pParseCxt->mgmtEpSet;
+  pCxt->pCmdMsg->msgType = TDMT_MND_CREATE_DNODE;
+  pCxt->pCmdMsg->msgLen = tSerializeSCreateDnodeReq(NULL, 0, &createReq);
+  pCxt->pCmdMsg->pMsg = malloc(pCxt->pCmdMsg->msgLen);
+  if (NULL== pCxt->pCmdMsg->pMsg) {
+    return TSDB_CODE_OUT_OF_MEMORY;
+  }
+  tSerializeSCreateDnodeReq(pCxt->pCmdMsg->pMsg, pCxt->pCmdMsg->msgLen, &createReq);
+
+  return TSDB_CODE_SUCCESS;
+}
+
+static int32_t translateDropDnode(STranslateContext* pCxt, SDropDnodeStmt* pStmt) {
+  SDropDnodeReq dropReq = {0};
+  dropReq.dnodeId = pStmt->dnodeId;
+  strcpy(dropReq.fqdn, pStmt->fqdn);
+  dropReq.port = pStmt->port;
+
+  pCxt->pCmdMsg = malloc(sizeof(SCmdMsgInfo));
+  if (NULL== pCxt->pCmdMsg) {
+    return TSDB_CODE_OUT_OF_MEMORY;
+  }
+  pCxt->pCmdMsg->epSet = pCxt->pParseCxt->mgmtEpSet;
+  pCxt->pCmdMsg->msgType = TDMT_MND_DROP_DNODE;
+  pCxt->pCmdMsg->msgLen = tSerializeSDropDnodeReq(NULL, 0, &dropReq);
+  pCxt->pCmdMsg->pMsg = malloc(pCxt->pCmdMsg->msgLen);
+  if (NULL== pCxt->pCmdMsg->pMsg) {
+    return TSDB_CODE_OUT_OF_MEMORY;
+  }
+  tSerializeSDropDnodeReq(pCxt->pCmdMsg->pMsg, pCxt->pCmdMsg->msgLen, &dropReq);
+
+  return TSDB_CODE_SUCCESS;
+}
+
+static int32_t nodeTypeToShowType(ENodeType nt) {
+  switch (nt) {
+    case QUERY_NODE_SHOW_DATABASES_STMT:
+      return TSDB_MGMT_TABLE_DB;
+    case QUERY_NODE_SHOW_STABLES_STMT:
+      return TSDB_MGMT_TABLE_STB;
+    case QUERY_NODE_SHOW_USERS_STMT:
+      return TSDB_MGMT_TABLE_USER;
+    case QUERY_NODE_SHOW_DNODES_STMT:
+      return TSDB_MGMT_TABLE_DNODE;
+    default:
+      break;
+  }
+  return 0;
+}
+
+static int32_t translateShow(STranslateContext* pCxt, ENodeType type) {
+  SShowReq showReq = { .type = nodeTypeToShowType(type) };
+  if (NULL != pCxt->pParseCxt->db) {
+    SName name = {0};
+    tNameSetDbName(&name, pCxt->pParseCxt->acctId, pCxt->pParseCxt->db, strlen(pCxt->pParseCxt->db));
+    char dbFname[TSDB_DB_FNAME_LEN] = {0};
+    tNameGetFullDbName(&name, showReq.db);
+  }
 
   pCxt->pCmdMsg = malloc(sizeof(SCmdMsgInfo));
   if (NULL== pCxt->pCmdMsg) {
@@ -967,14 +1073,35 @@ static int32_t translateQuery(STranslateContext* pCxt, SNode* pNode) {
     case QUERY_NODE_CREATE_DATABASE_STMT:
       code = translateCreateDatabase(pCxt, (SCreateDatabaseStmt*)pNode);
       break;
+    case QUERY_NODE_DROP_DATABASE_STMT:
+      code = translateDropDatabase(pCxt, (SDropDatabaseStmt*)pNode);
+      break;
     case QUERY_NODE_CREATE_TABLE_STMT:
       code = translateCreateSuperTable(pCxt, (SCreateTableStmt*)pNode);
       break;
+    case QUERY_NODE_CREATE_USER_STMT:
+      code = translateCreateUser(pCxt, (SCreateUserStmt*)pNode);
+      break;
+    case QUERY_NODE_ALTER_USER_STMT:
+      code = translateAlterUser(pCxt, (SAlterUserStmt*)pNode);
+      break;
+    case QUERY_NODE_DROP_USER_STMT:
+      code = translateDropUser(pCxt, (SDropUserStmt*)pNode);
+      break;
     case QUERY_NODE_USE_DATABASE_STMT:
       code = translateUseDatabase(pCxt, (SUseDatabaseStmt*)pNode);
       break;
+    case QUERY_NODE_CREATE_DNODE_STMT:
+      code = translateCreateDnode(pCxt, (SCreateDnodeStmt*)pNode);
+      break;
+    case QUERY_NODE_DROP_DNODE_STMT:
+      code = translateDropDnode(pCxt, (SDropDnodeStmt*)pNode);
+      break;
     case QUERY_NODE_SHOW_DATABASES_STMT:
-      code = translateShowDatabases(pCxt);
+    case QUERY_NODE_SHOW_STABLES_STMT:
+    case QUERY_NODE_SHOW_USERS_STMT:
+    case QUERY_NODE_SHOW_DNODES_STMT:
+      code = translateShow(pCxt, nodeType(pNode));
       break;
     case QUERY_NODE_SHOW_TABLES_STMT:
       code = translateShowTables(pCxt);
@@ -1002,7 +1129,7 @@ static int32_t setReslutSchema(STranslateContext* pCxt, SQuery* pQuery) {
     pQuery->numOfResCols = LIST_LENGTH(pSelect->pProjectionList);
     pQuery->pResSchema = calloc(pQuery->numOfResCols, sizeof(SSchema));
     if (NULL == pQuery->pResSchema) {
-      return generateSyntaxErrMsg(pCxt, TSDB_CODE_OUT_OF_MEMORY);
+      return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_OUT_OF_MEMORY);
     }
     SNode* pNode;
     int32_t index = 0;
@@ -1236,7 +1363,7 @@ static int32_t addValToKVRow(STranslateContext* pCxt, SValueNode* pVal, const SS
 static int32_t buildKVRowForBindTags(STranslateContext* pCxt, SCreateSubTableClause* pStmt, STableMeta* pSuperTableMeta, SKVRowBuilder* pBuilder) {
   int32_t numOfTags = getNumOfTags(pSuperTableMeta);
   if (LIST_LENGTH(pStmt->pValsOfTags) != LIST_LENGTH(pStmt->pSpecificTags) || numOfTags < LIST_LENGTH(pStmt->pValsOfTags)) {
-    return generateSyntaxErrMsg(pCxt, TSDB_CODE_PAR_TAGS_NOT_MATCHED);
+    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_TAGS_NOT_MATCHED);
   }
 
   SSchema* pTagSchema = getTableTagSchema(pSuperTableMeta);
@@ -1251,7 +1378,7 @@ static int32_t buildKVRowForBindTags(STranslateContext* pCxt, SCreateSubTableCla
       }
     }
     if (NULL == pSchema) {
-      return generateSyntaxErrMsg(pCxt, TSDB_CODE_PAR_INVALID_TAG_NAME, pCol->colName);
+      return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TAG_NAME, pCol->colName);
     }
     int32_t code = addValToKVRow(pCxt, (SValueNode*)pVal, pSchema, pBuilder);
     if (TSDB_CODE_SUCCESS != code) {
@@ -1264,7 +1391,7 @@ static int32_t buildKVRowForBindTags(STranslateContext* pCxt, SCreateSubTableCla
 
 static int32_t buildKVRowForAllTags(STranslateContext* pCxt, SCreateSubTableClause* pStmt, STableMeta* pSuperTableMeta, SKVRowBuilder* pBuilder) {
   if (getNumOfTags(pSuperTableMeta) != LIST_LENGTH(pStmt->pValsOfTags)) {
-    return generateSyntaxErrMsg(pCxt, TSDB_CODE_PAR_TAGS_NOT_MATCHED);
+    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_TAGS_NOT_MATCHED);
   }
 
   SSchema* pTagSchema = getTableTagSchema(pSuperTableMeta);
diff --git a/source/libs/parser/src/new_sql.c b/source/libs/parser/src/new_sql.c
index 6b694cd0b834a9d72dbc0402220517cb142a2a2b..86392b64c14ddf40bed900218892d1fdebbea53a 100644
--- a/source/libs/parser/src/new_sql.c
+++ b/source/libs/parser/src/new_sql.c
@@ -99,25 +99,24 @@
 #endif
 /************* Begin control #defines *****************************************/
 #define YYCODETYPE unsigned char
-#define YYNOCODE 191
+#define YYNOCODE 208
 #define YYACTIONTYPE unsigned short int
 #define NewParseTOKENTYPE  SToken 
 typedef union {
   int yyinit;
   NewParseTOKENTYPE yy0;
-  EJoinType yy28;
-  EOrder yy29;
-  SDataType yy42;
-  EFillMode yy102;
-  EOperatorType yy140;
-  SToken yy175;
-  SNodeList* yy182;
-  bool yy187;
-  SNode* yy210;
-  SDatabaseOptions* yy211;
-  STableOptions* yy286;
-  ENullOrder yy307;
-  STokenPair yy341;
+  ENullOrder yy9;
+  SDatabaseOptions* yy103;
+  SToken yy161;
+  EOrder yy162;
+  EFillMode yy166;
+  SNodeList* yy184;
+  EOperatorType yy220;
+  SDataType yy240;
+  EJoinType yy308;
+  STableOptions* yy334;
+  bool yy377;
+  SNode* yy392;
 } YYMINORTYPE;
 #ifndef YYSTACKDEPTH
 #define YYSTACKDEPTH 100
@@ -132,17 +131,17 @@ typedef union {
 #define NewParseCTX_PARAM
 #define NewParseCTX_FETCH
 #define NewParseCTX_STORE
-#define YYNSTATE             239
-#define YYNRULE              211
-#define YYNTOKEN             123
-#define YY_MAX_SHIFT         238
-#define YY_MIN_SHIFTREDUCE   390
-#define YY_MAX_SHIFTREDUCE   600
-#define YY_ERROR_ACTION      601
-#define YY_ACCEPT_ACTION     602
-#define YY_NO_ACTION         603
-#define YY_MIN_REDUCE        604
-#define YY_MAX_REDUCE        814
+#define YYNSTATE             272
+#define YYNRULE              234
+#define YYNTOKEN             134
+#define YY_MAX_SHIFT         271
+#define YY_MIN_SHIFTREDUCE   432
+#define YY_MAX_SHIFTREDUCE   665
+#define YY_ERROR_ACTION      666
+#define YY_ACCEPT_ACTION     667
+#define YY_NO_ACTION         668
+#define YY_MIN_REDUCE        669
+#define YY_MAX_REDUCE        902
 /************* End control #defines *******************************************/
 #define YY_NLOOKAHEAD ((int)(sizeof(yy_lookahead)/sizeof(yy_lookahead[0])))
 
@@ -209,259 +208,283 @@ typedef union {
 **  yy_default[]       Default action for each state.
 **
 *********** Begin parsing tables **********************************************/
-#define YY_ACTTAB_COUNT (824)
+#define YY_ACTTAB_COUNT (892)
 static const YYACTIONTYPE yy_action[] = {
- /*     0 */   122,  214,  135,   23,   84,  793,  746,  684,  682,  684,
- /*    10 */   682,  707,   30,   28,   26,   25,   24,  180,  673,  792,
- /*    20 */   672,  116,  151,  791,  743,   30,   28,   26,   25,   24,
- /*    30 */   604,  221,  133,  707,  116,  685,  682,  692,  682,  180,
- /*    40 */   181,  636,   57,   48,  693,  483,  696,  732,  689,    9,
- /*    50 */     8,  731,  728,  238,  687,  237,  236,  235,  234,  233,
- /*    60 */   232,  231,  230,  229,  156,  228,  227,  226,  225,  224,
- /*    70 */   223,  222,   30,   28,   26,   25,   24,  100,   22,  126,
- /*    80 */   664,  501,  502,  503,  504,  505,  506,  507,  509,  510,
- /*    90 */   511,   22,  126,  519,  501,  502,  503,  504,  505,  506,
- /*   100 */   507,  509,  510,  511,  157,  152,  150,  426,  212,  211,
- /*   110 */   210,  430,  209,  432,  433,  208,  435,  205,   93,  441,
- /*   120 */   202,  443,  444,  199,  196,  707,  474,  630,  170,  692,
- /*   130 */   682,  180,  181,   96,  476,   46,  693,  168,  696,  732,
- /*   140 */    53,   20,  629,  115,  728,   30,   28,   26,   25,   24,
- /*   150 */   508,  137,  707,  512,  627,  793,  692,  682,  166,  181,
- /*   160 */   636,   57,   47,  693,  121,  696,  732,  477,   98,   66,
- /*   170 */   124,  728,   61,  791,  221,  746,  707,   82,  596,  597,
- /*   180 */   692,  682,  180,  181,   83,  746,   58,  693,   89,  696,
- /*   190 */   141,  759,   45,  742,  707,   92,  498,   10,  692,  682,
- /*   200 */   166,  181,  165,  741,   47,  693,   10,  696,  732,  707,
- /*   210 */    68,  165,  124,  728,   61,  180,   44,  707,  132,   95,
- /*   220 */   155,  692,  682,  180,  181,  171,  806,   47,  693,  215,
- /*   230 */   696,  732,   85,  760,  707,  124,  728,  805,  692,  682,
- /*   240 */   180,  181,   67,  173,   47,  693,  766,  696,  732,   67,
- /*   250 */   139,  707,  124,  728,  805,  692,  682,  180,  181,  636,
- /*   260 */    57,   47,  693,  789,  696,  732,   29,   27,  148,  124,
- /*   270 */   728,  805,  134,   67,  673,   11,  671,  751,  463,  538,
- /*   280 */   750,  564,   29,   27,  543,  542,  463,   49,  465,  628,
- /*   290 */   550,   11,  637,   57,  463,  707,  465,  177,    1,  692,
- /*   300 */   682,  180,  181,  131,  465,  111,  693,  130,  696,   30,
- /*   310 */    28,   26,   25,   24,    1,  174,  190,   74,  138,  131,
- /*   320 */   673,  218,  671,   71,  190,  474,  217,    9,    8,  464,
- /*   330 */   466,  469,  190,   26,   25,   24,   77,  464,  466,  469,
- /*   340 */   762,  219,  483,    6,  538,  464,  466,  469,  162,  163,
- /*   350 */    67,  707,  708,  172,  170,  692,  682,  180,  181,  513,
- /*   360 */   216,  105,  693,  178,  696,   31,    2,   52,   29,   27,
- /*   370 */   480,   29,   27,   87,   50,  763,   31,   11,  541,  175,
- /*   380 */   463,  793,  477,  463,   63,  739,  740,  149,  744,  773,
- /*   390 */   465,  184,  183,  465,  146,   66,  599,  600,   69,  791,
- /*   400 */     1,  469,  144,    7,  145,  131,  707,   73,  131,   90,
- /*   410 */   692,  682,  180,  181,  772,   54,   48,  693,  190,  696,
- /*   420 */   732,  190,  419,  417,  167,  728,  123,   19,   55,   49,
- /*   430 */   162,  464,  466,  469,  464,  466,  469,   30,   28,   26,
- /*   440 */    25,   24,  447,    5,  753,  159,  170,  707,  194,   52,
- /*   450 */   567,  692,  682,  180,  181,   67,   50,  111,  693,  142,
- /*   460 */   696,   76,   29,   27,  169,  143,   80,  739,  161,  451,
- /*   470 */   160,  162,   60,  793,  463,   54,  147,  565,  566,  568,
- /*   480 */   569,   29,   27,  456,  465,    4,   56,   66,   78,   55,
- /*   490 */    52,  791,   54,  463,    7,  538,  473,   50,   51,  131,
- /*   500 */   476,  747,   79,  465,   32,   16,  164,   62,  739,  740,
- /*   510 */   707,  744,  190,    1,  692,  682,  180,  181,  131,  127,
- /*   520 */    48,  693,  714,  696,  732,  464,  466,  469,   21,  729,
- /*   530 */   808,  190,  179,  790,  176,   86,   29,   27,   30,   28,
- /*   540 */    26,   25,   24,  472,  464,  466,  469,  185,  463,  707,
- /*   550 */    99,  602,  189,  692,  682,  180,  181,  186,  465,  107,
- /*   560 */   693,   91,  696,  187,   41,  192,   94,  140,    7,  182,
- /*   570 */   707,  101,   97,  131,  692,  682,  180,  181,  102,  113,
- /*   580 */   111,  693,  125,  696,  114,    3,  190,   31,   70,   14,
- /*   590 */   561,   72,  158,   35,  153,  563,  793,   59,  707,  464,
- /*   600 */   466,  469,  692,  682,  180,  181,  626,   75,   58,  693,
- /*   610 */    66,  696,  707,  557,  791,   37,  692,  682,  180,  181,
- /*   620 */   154,  556,  106,  693,  687,  696,  707,   38,   18,   15,
- /*   630 */   692,  682,  180,  181,  535,  534,  108,  693,  218,  696,
- /*   640 */     8,   81,  686,  217,   33,   34,   65,  499,  807,  707,
- /*   650 */   481,   17,  590,  692,  682,  180,  181,   12,  219,  103,
- /*   660 */   693,  585,  696,  707,   39,  584,  128,  692,  682,  180,
- /*   670 */   181,  589,  588,  109,  693,  707,  696,  216,  129,  692,
- /*   680 */   682,  180,  181,   88,   13,  104,  693,  707,  696,  676,
- /*   690 */   675,  692,  682,  180,  181,  674,  625,  110,  693,  707,
- /*   700 */   696,  421,   40,  692,  682,  180,  181,  467,  448,  704,
- /*   710 */   693,   95,  696,  707,   36,  188,  191,  692,  682,  180,
- /*   720 */   181,  193,  136,  703,  693,  707,  696,  195,  197,  692,
- /*   730 */   682,  180,  181,  445,  200,  702,  693,  707,  696,  442,
- /*   740 */   203,  692,  682,  180,  181,  198,  201,  119,  693,  204,
- /*   750 */   696,  707,  436,  434,  206,  692,  682,  180,  181,  207,
- /*   760 */   425,  118,  693,  440,  696,  707,  213,  439,   42,  692,
- /*   770 */   682,  180,  181,  438,  455,  120,  693,  437,  696,   43,
- /*   780 */   454,  453,  162,  391,  220,  403,  410,  707,  409,  408,
- /*   790 */   407,  692,  682,  180,  181,  406,  405,  117,  693,  707,
- /*   800 */   696,   52,  404,  692,  682,  180,  181,  402,   50,  112,
- /*   810 */   693,  401,  696,  400,  399,  398,  397,  396,   64,  739,
- /*   820 */   740,  395,  744,  394,
+ /*     0 */   135,  147,   23,   93,  761,  711,  759,  240,  148,  771,
+ /*    10 */   769,  146,   30,   28,   26,   25,   24,  771,  769,  192,
+ /*    20 */   175,  795,   94,  724,   65,   30,   28,   26,   25,   24,
+ /*    30 */   682,  164,  192,  215,  795,   59,  719,  130,  780,  769,
+ /*    40 */   193,  202,  215,   53,  781,  212,  784,  820,  722,   57,
+ /*    50 */   130,  137,  816,  893,   19,  772,  769,  722,  548,   71,
+ /*    60 */   827,  828,  854,  832,   30,   28,   26,   25,   24,  264,
+ /*    70 */   263,  262,  261,  260,  259,  258,  257,  256,  255,  254,
+ /*    80 */   253,  252,  251,  250,  249,  248,   26,   25,   24,   22,
+ /*    90 */   139,  202,  566,  567,  568,  569,  570,  571,  572,  574,
+ /*   100 */   575,  576,   22,  139,  150,  566,  567,  568,  569,  570,
+ /*   110 */   571,  572,  574,  575,  576,  169,  724,   65,  491,  238,
+ /*   120 */   237,  236,  495,  235,  497,  498,  234,  500,  231,  529,
+ /*   130 */   506,  228,  508,  509,  225,  222,  192,  527,  795,  881,
+ /*   140 */    75,  182,  780,  769,  193,  214,  214,   52,  781,  247,
+ /*   150 */   784,  820,  192,  880,  795,  129,  816,  879,  780,  769,
+ /*   160 */   193,  709,   40,   66,  781,  152,  784,  881,  178,   60,
+ /*   170 */   795,   10,   10,  717,  780,  769,  193,  724,   65,   53,
+ /*   180 */   781,   74,  784,  820,  216,  879,  540,  137,  816,   69,
+ /*   190 */   170,  165,  163,  214,  528,  530,  533,  247,  192,  538,
+ /*   200 */   795,   92,  183,  894,  780,  769,  193,  154,  847,  123,
+ /*   210 */   781,  143,  784,  178,  192,  795,  795,  268,  267,  780,
+ /*   220 */   769,  193,   75,  629,   53,  781,  168,  784,  820,  192,
+ /*   230 */    55,  795,  137,  816,   69,  780,  769,  193,   29,   27,
+ /*   240 */    53,  781,  111,  784,  820,  752,  834,  529,  137,  816,
+ /*   250 */   893,  725,   65,  848,  192,  527,  795,  144,   91,  877,
+ /*   260 */   780,  769,  193,   11,  831,   53,  781,  834,  784,  820,
+ /*   270 */    29,   27,  608,  137,  816,  893,  761,  151,  760,  529,
+ /*   280 */   761,  834,  759,    1,  838,  830,  192,  527,  795,  144,
+ /*   290 */    40,  182,  780,  769,  193,   11,  607,  116,  781,  829,
+ /*   300 */   784,  718,  216,  215,    6,  603,  213,   29,   27,   44,
+ /*   310 */    29,   27,  528,  530,  533,    1,  529,  881,  722,  529,
+ /*   320 */   715,  839,  101,  603,  527,  541,  144,  527,  241,  144,
+ /*   330 */    76,   74,   11,   75,  216,  879,  100,   30,   28,   26,
+ /*   340 */    25,   24,    9,    8,  528,  530,  533,   30,   28,   26,
+ /*   350 */    25,   24,    1,  161,  185,    7,  192,   86,  795,   41,
+ /*   360 */     9,    8,  780,  769,  193,   21,   83,  123,  781,  155,
+ /*   370 */   784,  216,  186,   80,  216,   30,   28,   26,   25,   24,
+ /*   380 */   850,  528,  530,  533,  528,  530,  533,  192,  215,  795,
+ /*   390 */   176,  106,  180,  780,  769,  193,  175,   77,   54,  781,
+ /*   400 */   606,  784,  820,  722,  615,   75,  819,  816,  192,  175,
+ /*   410 */   795,   59,  664,  665,  780,  769,  193,  584,  442,   54,
+ /*   420 */   781,  538,  784,  820,   59,   57,  205,  179,  816,  182,
+ /*   430 */   442,  189,  796,  187,  177,   70,  827,  828,   57,  832,
+ /*   440 */   443,  444,   29,   27,  181,   96,  563,  578,   89,  827,
+ /*   450 */   174,  529,  173,  215,   31,  881,  153,   29,   27,  527,
+ /*   460 */   545,  144,   29,   27,  661,  662,  529,   31,  722,   74,
+ /*   470 */     2,  529,  204,  879,  527,  184,  144,   50,  541,  527,
+ /*   480 */   851,  144,  776,  667,  192,   61,  795,    7,  714,  774,
+ /*   490 */   780,  769,  193,  201,  190,   54,  781,  200,  784,  820,
+ /*   500 */   210,  199,    1,  208,  817,  127,  216,    7,  194,  211,
+ /*   510 */    49,  128,  117,  861,  162,   46,  528,  530,  533,  159,
+ /*   520 */   196,  216,   98,  103,   78,  533,  216,  198,  197,  157,
+ /*   530 */    62,  528,  530,  533,  881,  484,  528,  530,  533,  192,
+ /*   540 */   158,  795,   63,  860,  136,  780,  769,  193,   74,   82,
+ /*   550 */   119,  781,  879,  784,  192,    5,  795,  479,  172,  841,
+ /*   560 */   780,  769,  193,   85,   55,  123,  781,  138,  784,  156,
+ /*   570 */   192,   68,  795,    4,   87,  603,  780,  769,  193,  512,
+ /*   580 */    20,   66,  781,  171,  784,  537,  220,   58,  540,  573,
+ /*   590 */   835,  516,  577,  192,   75,  795,  521,   32,   62,  780,
+ /*   600 */   769,  193,   88,   63,  118,  781,  192,  784,  795,   64,
+ /*   610 */    16,  191,  780,  769,  193,  802,   62,  120,  781,  140,
+ /*   620 */   784,  895,  896,  878,  192,  710,  795,  188,  536,   95,
+ /*   630 */   780,  769,  193,  195,   99,  114,  781,  203,  784,  192,
+ /*   640 */   542,  795,  206,  145,  110,  780,  769,  193,   43,   45,
+ /*   650 */   121,  781,  112,  784,  192,  708,  795,  723,  107,  218,
+ /*   660 */   780,  769,  193,  271,  125,  115,  781,  126,  784,  113,
+ /*   670 */     3,  192,  244,  795,   14,   31,  243,  780,  769,  193,
+ /*   680 */    35,   79,  122,  781,  626,  784,  192,   81,  795,  628,
+ /*   690 */    67,  245,  780,  769,  193,   84,   37,  792,  781,  622,
+ /*   700 */   784,  192,  244,  795,  621,  166,  243,  780,  769,  193,
+ /*   710 */   242,  774,  791,  781,  167,  784,  192,   38,  795,   18,
+ /*   720 */   600,  245,  780,  769,  193,   15,  599,  790,  781,   90,
+ /*   730 */   784,  192,   33,  795,   34,   73,    8,  780,  769,  193,
+ /*   740 */   242,  564,  133,  781,  546,  784,  655,   17,  192,   39,
+ /*   750 */   795,   12,  650,  649,  780,  769,  193,  141,  654,  132,
+ /*   760 */   781,  192,  784,  795,  653,  142,   97,  780,  769,  193,
+ /*   770 */    13,  175,  134,  781,  763,  784,  192,  685,  795,  762,
+ /*   780 */   713,  712,  780,  769,  193,  684,   59,  131,  781,  632,
+ /*   790 */   784,  192,  678,  795,  673,  451,  683,  780,  769,  193,
+ /*   800 */    57,  102,  124,  781,  677,  784,  676,  672,  671,  207,
+ /*   810 */    72,  827,  828,  670,  832,  160,  630,  631,  633,  634,
+ /*   820 */   109,  209,   42,   30,   28,   26,   25,   24,   56,   46,
+ /*   830 */   773,  531,  105,   36,  108,  217,  513,  505,  219,  504,
+ /*   840 */   221,  149,  510,  223,  224,  226,  229,  507,  227,  232,
+ /*   850 */   490,  501,  230,  503,  520,  499,  233,   51,  518,  519,
+ /*   860 */   104,  449,   47,  246,  502,  470,  675,  469,  239,  548,
+ /*   870 */   468,  467,   48,  466,  465,  464,  463,  462,  461,  460,
+ /*   880 */   459,  458,  457,  456,  674,  455,  454,  265,  266,  669,
+ /*   890 */   269,  270,
 };
 static const YYCODETYPE yy_lookahead[] = {
- /*     0 */   135,  139,  135,  153,  154,  168,  146,  142,  143,  142,
- /*    10 */   143,  138,   12,   13,   14,   15,   16,  144,  138,  182,
- /*    20 */   140,   21,  149,  186,  164,   12,   13,   14,   15,   16,
- /*    30 */     0,   20,  128,  138,   21,  142,  143,  142,  143,  144,
- /*    40 */   145,  137,  138,  148,  149,   45,  151,  152,   44,    1,
- /*    50 */     2,  156,  157,   23,   50,   25,   26,   27,   28,   29,
- /*    60 */    30,   31,   32,   33,   49,   35,   36,   37,   38,   39,
- /*    70 */    40,   41,   12,   13,   14,   15,   16,  129,   78,   79,
- /*    80 */   132,   81,   82,   83,   84,   85,   86,   87,   88,   89,
- /*    90 */    90,   78,   79,   45,   81,   82,   83,   84,   85,   86,
- /*   100 */    87,   88,   89,   90,  101,  102,  103,   53,   54,   55,
- /*   110 */    56,   57,   58,   59,   60,   61,   62,   63,  124,   65,
- /*   120 */    66,   67,   68,   69,   70,  138,   49,  133,  141,  142,
- /*   130 */   143,  144,  145,  124,   49,  148,  149,   21,  151,  152,
- /*   140 */   131,   78,  133,  156,  157,   12,   13,   14,   15,   16,
- /*   150 */    87,  128,  138,   90,    0,  168,  142,  143,  144,  145,
- /*   160 */   137,  138,  148,  149,   18,  151,  152,   49,   19,  182,
- /*   170 */   156,  157,  158,  186,   20,  146,  138,   92,  118,  119,
- /*   180 */   142,  143,  144,  145,  170,  146,  148,  149,   42,  151,
- /*   190 */   176,  177,   43,  164,  138,   46,   80,   44,  142,  143,
- /*   200 */   144,  145,   49,  164,  148,  149,   44,  151,  152,  138,
- /*   210 */    92,   49,  156,  157,  158,  144,   44,  138,   72,   47,
- /*   220 */   149,  142,  143,  144,  145,  187,  188,  148,  149,   48,
- /*   230 */   151,  152,  189,  177,  138,  156,  157,  158,  142,  143,
- /*   240 */   144,  145,   96,    3,  148,  149,  167,  151,  152,   96,
- /*   250 */   128,  138,  156,  157,  158,  142,  143,  144,  145,  137,
- /*   260 */   138,  148,  149,  167,  151,  152,   12,   13,  180,  156,
- /*   270 */   157,  158,  136,   96,  138,   21,  140,   93,   24,   95,
- /*   280 */   167,   45,   12,   13,   14,    4,   24,   51,   34,    0,
- /*   290 */    14,   21,  137,  138,   24,  138,   34,   51,   44,  142,
- /*   300 */   143,  144,  145,   49,   34,  148,  149,  150,  151,   12,
- /*   310 */    13,   14,   15,   16,   44,   51,   62,   45,  136,   49,
- /*   320 */   138,   32,  140,   51,   62,   49,   37,    1,    2,   75,
- /*   330 */    76,   77,   62,   14,   15,   16,  173,   75,   76,   77,
- /*   340 */   147,   52,   45,   94,   95,   75,   76,   77,  125,  166,
- /*   350 */    96,  138,  138,  113,  141,  142,  143,  144,  145,   45,
- /*   360 */    71,  148,  149,  117,  151,   51,  169,  144,   12,   13,
- /*   370 */    45,   12,   13,  183,  151,  147,   51,   21,   97,  115,
- /*   380 */    24,  168,   49,   24,  161,  162,  163,  105,  165,  179,
- /*   390 */    34,   73,   74,   34,  104,  182,  121,  122,  178,  186,
- /*   400 */    44,   77,  143,   44,  143,   49,  138,  178,   49,   45,
- /*   410 */   142,  143,  144,  145,  179,   51,  148,  149,   62,  151,
- /*   420 */   152,   62,   45,   45,  156,  157,  143,    2,   51,   51,
- /*   430 */   125,   75,   76,   77,   75,   76,   77,   12,   13,   14,
- /*   440 */    15,   16,   45,  112,  175,  111,  141,  138,   51,  144,
- /*   450 */    80,  142,  143,  144,  145,   96,  151,  148,  149,  150,
- /*   460 */   151,  174,   12,   13,   14,   99,  161,  162,  163,   45,
- /*   470 */   165,  125,  172,  168,   24,   51,  106,  107,  108,  109,
- /*   480 */   110,   12,   13,   45,   34,   98,   45,  182,  171,   51,
- /*   490 */   144,  186,   51,   24,   44,   95,   49,  151,  144,   49,
- /*   500 */    49,  146,  159,   34,   91,   44,  160,  161,  162,  163,
- /*   510 */   138,  165,   62,   44,  142,  143,  144,  145,   49,  120,
- /*   520 */   148,  149,  155,  151,  152,   75,   76,   77,    2,  157,
- /*   530 */   190,   62,  116,  185,  114,  184,   12,   13,   12,   13,
- /*   540 */    14,   15,   16,   49,   75,   76,   77,  125,   24,  138,
- /*   550 */   132,  123,   49,  142,  143,  144,  145,  127,   34,  148,
- /*   560 */   149,  124,  151,  127,   44,  134,  127,  127,   44,  141,
- /*   570 */   138,  125,  124,   49,  142,  143,  144,  145,  126,  130,
- /*   580 */   148,  149,  150,  151,  130,   51,   62,   51,   45,  100,
- /*   590 */    45,   44,  181,   51,   24,   45,  168,   44,  138,   75,
- /*   600 */    76,   77,  142,  143,  144,  145,    0,   44,  148,  149,
- /*   610 */   182,  151,  138,   45,  186,   44,  142,  143,  144,  145,
- /*   620 */    51,   45,  148,  149,   50,  151,  138,   44,   51,  100,
- /*   630 */   142,  143,  144,  145,   45,   45,  148,  149,   32,  151,
- /*   640 */     2,   50,   50,   37,   93,   51,   50,   80,  188,  138,
- /*   650 */    45,   51,   45,  142,  143,  144,  145,  100,   52,  148,
- /*   660 */   149,   24,  151,  138,    4,   24,   24,  142,  143,  144,
- /*   670 */   145,   24,   24,  148,  149,  138,  151,   71,   24,  142,
- /*   680 */   143,  144,  145,   50,   44,  148,  149,  138,  151,    0,
- /*   690 */     0,  142,  143,  144,  145,    0,    0,  148,  149,  138,
- /*   700 */   151,   49,   44,  142,  143,  144,  145,   34,   45,  148,
- /*   710 */   149,   47,  151,  138,   44,   50,   48,  142,  143,  144,
- /*   720 */   145,   24,   24,  148,  149,  138,  151,   44,   24,  142,
- /*   730 */   143,  144,  145,   45,   24,  148,  149,  138,  151,   45,
- /*   740 */    24,  142,  143,  144,  145,   44,   44,  148,  149,   44,
- /*   750 */   151,  138,   45,   45,   24,  142,  143,  144,  145,   44,
- /*   760 */    34,  148,  149,   64,  151,  138,   52,   64,   44,  142,
- /*   770 */   143,  144,  145,   64,   24,  148,  149,   64,  151,   44,
- /*   780 */    24,   34,  125,   22,   21,   34,   24,  138,   24,   24,
- /*   790 */    24,  142,  143,  144,  145,   24,   24,  148,  149,  138,
- /*   800 */   151,  144,   24,  142,  143,  144,  145,   24,  151,  148,
- /*   810 */   149,   24,  151,   24,   24,   24,   24,   24,  161,  162,
- /*   820 */   163,   24,  165,   24,  191,  191,  191,  191,  191,  191,
- /*   830 */   191,  191,  191,  191,  191,  191,  191,  191,  191,  191,
- /*   840 */   191,  191,  191,  191,  191,  191,  191,  191,  191,  191,
- /*   850 */   191,  191,  191,  191,  191,  191,  191,  191,  191,  191,
- /*   860 */   191,  191,  191,  191,  191,  191,  191,  191,  191,  191,
- /*   870 */   191,  191,  191,  191,  191,  191,  191,  191,  191,  191,
- /*   880 */   191,  191,  191,  191,  191,  191,  191,  191,  191,  191,
- /*   890 */   191,  191,  191,  191,  191,  191,  191,  191,  191,  191,
- /*   900 */   191,  191,  191,  191,  191,  191,  191,  191,  191,  191,
- /*   910 */   191,  191,  191,  191,  191,  191,  191,  191,  191,  191,
- /*   920 */   191,  191,  191,  191,  191,  191,  191,  191,  191,  191,
- /*   930 */   191,  191,  191,  191,  191,  191,  191,  191,  191,  191,
- /*   940 */   191,  191,  191,  191,  191,  191,  191,
+ /*     0 */   151,  153,  170,  171,  156,    0,  158,  157,  151,  160,
+ /*    10 */   161,  143,   12,   13,   14,   15,   16,  160,  161,  154,
+ /*    20 */   139,  156,  206,  155,  156,   12,   13,   14,   15,   16,
+ /*    30 */     0,  166,  154,  139,  156,  154,  142,   37,  160,  161,
+ /*    40 */   162,   36,  139,  165,  166,  142,  168,  169,  154,  168,
+ /*    50 */    37,  173,  174,  175,    2,  160,  161,  154,   58,  178,
+ /*    60 */   179,  180,  184,  182,   12,   13,   14,   15,   16,   39,
+ /*    70 */    40,   41,   42,   43,   44,   45,   46,   47,   48,   49,
+ /*    80 */    50,   51,   52,   53,   54,   55,   14,   15,   16,   89,
+ /*    90 */    90,   36,   92,   93,   94,   95,   96,   97,   98,   99,
+ /*   100 */   100,  101,   89,   90,  143,   92,   93,   94,   95,   96,
+ /*   110 */    97,   98,   99,  100,  101,   31,  155,  156,   67,   68,
+ /*   120 */    69,   70,   71,   72,   73,   74,   75,   76,   77,   21,
+ /*   130 */    79,   80,   81,   82,   83,   84,  154,   29,  156,  185,
+ /*   140 */   107,  159,  160,  161,  162,   31,   31,  165,  166,   36,
+ /*   150 */   168,  169,  154,  199,  156,  173,  174,  203,  160,  161,
+ /*   160 */   162,    0,  141,  165,  166,  143,  168,  185,  154,  148,
+ /*   170 */   156,   57,   57,  152,  160,  161,  162,  155,  156,  165,
+ /*   180 */   166,  199,  168,  169,   76,  203,   31,  173,  174,  175,
+ /*   190 */   112,  113,  114,   31,   86,   87,   88,   36,  154,   31,
+ /*   200 */   156,  187,  204,  205,  160,  161,  162,  193,  194,  165,
+ /*   210 */   166,  167,  168,  154,  154,  156,  156,  136,  137,  160,
+ /*   220 */   161,  162,  107,   58,  165,  166,  166,  168,  169,  154,
+ /*   230 */    65,  156,  173,  174,  175,  160,  161,  162,   12,   13,
+ /*   240 */   165,  166,  144,  168,  169,  147,  163,   21,  173,  174,
+ /*   250 */   175,  155,  156,  194,  154,   29,  156,   31,  103,  184,
+ /*   260 */   160,  161,  162,   37,  181,  165,  166,  163,  168,  169,
+ /*   270 */    12,   13,   14,  173,  174,  175,  156,  153,  158,   21,
+ /*   280 */   156,  163,  158,   57,  184,  181,  154,   29,  156,   31,
+ /*   290 */   141,  159,  160,  161,  162,   37,    4,  165,  166,  181,
+ /*   300 */   168,  152,   76,  139,  105,  106,  142,   12,   13,  138,
+ /*   310 */    12,   13,   86,   87,   88,   57,   21,  185,  154,   21,
+ /*   320 */   149,  104,   19,  106,   29,   31,   31,   29,   63,   31,
+ /*   330 */    27,  199,   37,  107,   76,  203,   33,   12,   13,   14,
+ /*   340 */    15,   16,    1,    2,   86,   87,   88,   12,   13,   14,
+ /*   350 */    15,   16,   57,  197,    3,   57,  154,  190,  156,   56,
+ /*   360 */     1,    2,  160,  161,  162,    2,   58,  165,  166,  167,
+ /*   370 */   168,   76,   65,   65,   76,   12,   13,   14,   15,   16,
+ /*   380 */   164,   86,   87,   88,   86,   87,   88,  154,  139,  156,
+ /*   390 */   183,  142,   37,  160,  161,  162,  139,  103,  165,  166,
+ /*   400 */   108,  168,  169,  154,   14,  107,  173,  174,  154,  139,
+ /*   410 */   156,  154,  132,  133,  160,  161,  162,   58,   21,  165,
+ /*   420 */   166,   31,  168,  169,  154,  168,   29,  173,  174,  159,
+ /*   430 */    21,   65,  156,  126,  177,  178,  179,  180,  168,  182,
+ /*   440 */    31,   32,   12,   13,   14,  200,   91,   58,  178,  179,
+ /*   450 */   180,   21,  182,  139,   65,  185,  142,   12,   13,   29,
+ /*   460 */    58,   31,   12,   13,  129,  130,   21,   65,  154,  199,
+ /*   470 */   186,   21,  136,  203,   29,  124,   31,  138,   31,   29,
+ /*   480 */   164,   31,   57,  134,  154,  146,  156,   57,  149,   64,
+ /*   490 */   160,  161,  162,   26,  128,  165,  166,   30,  168,  169,
+ /*   500 */    20,   34,   57,   23,  174,   18,   76,   57,  159,   22,
+ /*   510 */    57,   24,   25,  196,  116,   62,   86,   87,   88,  115,
+ /*   520 */    53,   76,   35,   58,  195,   88,   76,   60,   61,  161,
+ /*   530 */    65,   86,   87,   88,  185,   58,   86,   87,   88,  154,
+ /*   540 */   161,  156,   65,  196,  161,  160,  161,  162,  199,  195,
+ /*   550 */   165,  166,  203,  168,  154,  123,  156,   58,  122,  192,
+ /*   560 */   160,  161,  162,  191,   65,  165,  166,  167,  168,  110,
+ /*   570 */   154,  189,  156,  109,  188,  106,  160,  161,  162,   58,
+ /*   580 */    89,  165,  166,  198,  168,   31,   65,  154,   31,   98,
+ /*   590 */   163,   58,  101,  154,  107,  156,   58,  102,   65,  160,
+ /*   600 */   161,  162,  176,   65,  165,  166,  154,  168,  156,   58,
+ /*   610 */    57,  127,  160,  161,  162,  172,   65,  165,  166,  131,
+ /*   620 */   168,  205,  207,  202,  154,    0,  156,  125,   31,  201,
+ /*   630 */   160,  161,  162,  139,  141,  165,  166,  139,  168,  154,
+ /*   640 */    31,  156,  135,  135,  147,  160,  161,  162,  138,   57,
+ /*   650 */   165,  166,  139,  168,  154,    0,  156,  154,  138,  150,
+ /*   660 */   160,  161,  162,  135,  145,  165,  166,  145,  168,  140,
+ /*   670 */    65,  154,   47,  156,  111,   65,   51,  160,  161,  162,
+ /*   680 */    65,   58,  165,  166,   58,  168,  154,   57,  156,   58,
+ /*   690 */    57,   66,  160,  161,  162,   57,   57,  165,  166,   58,
+ /*   700 */   168,  154,   47,  156,   58,   29,   51,  160,  161,  162,
+ /*   710 */    85,   64,  165,  166,   65,  168,  154,   57,  156,   65,
+ /*   720 */    58,   66,  160,  161,  162,  111,   58,  165,  166,   64,
+ /*   730 */   168,  154,  104,  156,   65,   64,    2,  160,  161,  162,
+ /*   740 */    85,   91,  165,  166,   58,  168,   58,   65,  154,    4,
+ /*   750 */   156,  111,   29,   29,  160,  161,  162,   29,   29,  165,
+ /*   760 */   166,  154,  168,  156,   29,   29,   64,  160,  161,  162,
+ /*   770 */    57,  139,  165,  166,    0,  168,  154,    0,  156,    0,
+ /*   780 */     0,    0,  160,  161,  162,    0,  154,  165,  166,   91,
+ /*   790 */   168,  154,    0,  156,    0,   38,    0,  160,  161,  162,
+ /*   800 */   168,   19,  165,  166,    0,  168,    0,    0,    0,   21,
+ /*   810 */   178,  179,  180,    0,  182,  117,  118,  119,  120,  121,
+ /*   820 */    19,   21,   57,   12,   13,   14,   15,   16,   27,   62,
+ /*   830 */    64,   21,   64,   57,   33,   63,   58,   78,   29,   78,
+ /*   840 */    57,   29,   58,   29,   57,   29,   29,   58,   57,   29,
+ /*   850 */    21,   58,   57,   78,   29,   58,   57,   56,   21,   29,
+ /*   860 */    59,   38,   57,   37,   78,   29,    0,   29,   66,   58,
+ /*   870 */    29,   29,   57,   29,   29,   29,   21,   29,   29,   29,
+ /*   880 */    29,   29,   29,   29,    0,   29,   29,   29,   28,    0,
+ /*   890 */    21,   20,  208,  208,  208,  208,  208,  208,  208,  208,
+ /*   900 */   208,  208,  208,  208,  208,  208,  208,  208,  208,  208,
+ /*   910 */   208,  208,  208,  208,  208,  208,  208,  208,  208,  208,
+ /*   920 */   208,  208,  208,  208,  208,  208,  208,  208,  208,  208,
+ /*   930 */   208,  208,  208,  208,  208,  208,  208,  208,  208,  208,
+ /*   940 */   208,  208,  208,  208,  208,  208,  208,  208,  208,  208,
+ /*   950 */   208,  208,  208,  208,  208,  208,  208,  208,  208,  208,
+ /*   960 */   208,  208,  208,  208,  208,  208,  208,  208,  208,  208,
+ /*   970 */   208,  208,  208,  208,  208,  208,  208,  208,  208,  208,
+ /*   980 */   208,  208,  208,  208,  208,  208,  208,  208,  208,  208,
+ /*   990 */   208,  208,  208,  208,  208,  208,  208,  208,  208,  208,
+ /*  1000 */   208,  208,  208,  208,  208,  208,  208,  208,  208,  208,
+ /*  1010 */   208,  208,  208,  208,  208,  208,  208,  208,  208,  208,
+ /*  1020 */   208,  208,  208,  208,  208,  208,
 };
-#define YY_SHIFT_COUNT    (238)
+#define YY_SHIFT_COUNT    (271)
 #define YY_SHIFT_MIN      (0)
-#define YY_SHIFT_MAX      (799)
+#define YY_SHIFT_MAX      (889)
 static const unsigned short int yy_shift_ofst[] = {
- /*     0 */   146,  254,  270,  356,  356,  356,  356,  359,  356,  356,
- /*    10 */   153,  469,  524,  450,  524,  524,  524,  524,  524,  524,
- /*    20 */   524,  524,  524,  524,  524,  524,  524,  524,  524,  524,
- /*    30 */   524,  524,  162,  162,  162,  262,  262,   15,   15,  177,
- /*    40 */    77,   77,   77,   77,   77,   11,    0,   13,   13,  262,
- /*    50 */    85,   85,   85,  154,   77,   77,  181,   54,   60,  370,
- /*    60 */     3,  118,  184,  249,  184,  276,  240,  281,  333,  282,
- /*    70 */   290,  324,  324,  282,  290,  324,  331,  334,  366,  387,
- /*    80 */   400,  447,  451,  413,  461,  399,  416,  420,   77,  494,
- /*    90 */   181,  503,   11,  503,  520,  503,  503,  494,   11,  824,
- /*   100 */   824,  824,   30,  425,  526,  297,  133,  133,  133,  133,
- /*   110 */   133,  133,  133,  289,  606,   48,   63,  319,  319,  319,
- /*   120 */   319,  149,  236,  272,  326,  314,  116,  275,  264,  246,
- /*   130 */   325,    4,  318,  364,  377,  378,  397,  424,  438,  441,
- /*   140 */   172,  534,  536,  489,  543,  545,  547,  542,  550,  553,
- /*   150 */   563,  568,  571,  576,  570,  569,  574,  583,  577,  529,
- /*   160 */   589,  590,  591,  551,  594,  592,  596,  638,  567,  605,
- /*   170 */   607,  600,  557,  660,  637,  641,  642,  647,  648,  654,
- /*   180 */   633,  640,  689,  690,  695,  696,  658,  664,  652,  665,
- /*   190 */   673,  670,  668,  663,  697,  698,  683,  688,  704,  701,
- /*   200 */   694,  710,  702,  707,  716,  705,  708,  730,  715,  699,
- /*   210 */   703,  709,  713,  726,  714,  724,  735,  750,  756,  747,
- /*   220 */   761,  763,  762,  764,  765,  766,  771,  772,  778,  751,
- /*   230 */   783,  787,  789,  790,  791,  792,  793,  797,  799,
+ /*     0 */   487,  226,  258,  295,  295,  295,  295,  298,  295,  295,
+ /*    10 */   115,  445,  450,  430,  450,  450,  450,  450,  450,  450,
+ /*    20 */   450,  450,  450,  450,  450,  450,  450,  450,  450,  450,
+ /*    30 */   450,  450,  114,  114,  114,  108,  108,   84,   84,   33,
+ /*    40 */   162,   55,  168,  162,  162,  168,  162,  168,  168,  168,
+ /*    50 */   162,  113,    0,   13,   13,  108,  409,  155,  155,  155,
+ /*    60 */     5,  161,  168,  168,  265,   51,  335,  698,   78,  294,
+ /*    70 */   217,  199,  217,  390,  351,  292,  397,  447,  398,  404,
+ /*    80 */   437,  437,  398,  404,  437,  432,  436,  459,  464,  469,
+ /*    90 */   554,  557,  495,  553,  488,  484,  502,  168,  597,  597,
+ /*   100 */    55,  609,  609,  265,  113,  554,  592,  597,  113,  609,
+ /*   110 */   892,  892,  892,   30,   52,  363,  811,  467,  325,  325,
+ /*   120 */   325,  325,  325,  325,  325,  625,  655,  801,  303,  359,
+ /*   130 */   491,   72,   72,   72,   72,  165,  308,  341,  389,  355,
+ /*   140 */   280,  307,  366,  402,  425,  480,  465,  477,  499,  521,
+ /*   150 */   533,  538,  551,  453,  605,  610,  563,  623,  626,  630,
+ /*   160 */   615,  631,  633,  638,  641,  639,  646,  676,  649,  647,
+ /*   170 */   660,  654,  614,  662,  668,  665,  628,  669,  671,  734,
+ /*   180 */   650,  686,  688,  682,  640,  745,  723,  724,  728,  729,
+ /*   190 */   735,  736,  702,  713,  774,  777,  779,  780,  781,  785,
+ /*   200 */   792,  794,  757,  796,  804,  806,  807,  808,  788,  813,
+ /*   210 */   800,  782,  765,  767,  766,  768,  810,  776,  772,  778,
+ /*   220 */   809,  812,  783,  784,  814,  787,  789,  816,  791,  793,
+ /*   230 */   817,  795,  797,  820,  799,  759,  761,  775,  786,  829,
+ /*   240 */   802,  805,  815,  825,  830,  837,  823,  826,  836,  838,
+ /*   250 */   841,  842,  844,  845,  846,  855,  848,  849,  850,  851,
+ /*   260 */   852,  853,  854,  856,  857,  866,  858,  860,  884,  889,
+ /*   270 */   869,  871,
 };
-#define YY_REDUCE_COUNT (101)
-#define YY_REDUCE_MIN   (-163)
-#define YY_REDUCE_MAX   (661)
+#define YY_REDUCE_COUNT (112)
+#define YY_REDUCE_MIN   (-184)
+#define YY_REDUCE_MAX   (637)
 static const short yy_reduce_ofst[] = {
- /*     0 */   428,  -13,   14,   56,   79,   96,  113,  213, -105,  268,
- /*    10 */   305,  372,   38,  157,  309,  411,  432,  460,  474,  488,
- /*    20 */   511,  525,  537,  549,  561,  575,  587,  599,  613,  627,
- /*    30 */   649,  661,  346,  223,  657, -135, -133, -127,   71, -163,
- /*    40 */   -96,  136,   23,  182,  122,    9, -150, -150, -150, -107,
- /*    50 */  -140,   29,   39,   -6,  155, -120,  -52, -138,   43,   88,
- /*    60 */   163,  193,  183,  183,  183,  214,  190,  197,  228,  210,
- /*    70 */   220,  259,  261,  235,  229,  283,  269,  287,  300,  317,
- /*    80 */   183,  354,  355,  343,  367,  340,  348,  351,  214,  422,
- /*    90 */   418,  430,  437,  436,  431,  439,  440,  446,  448,  449,
- /*   100 */   454,  452,
+ /*     0 */   349,  -18,   14,   59, -122,   75,  100,  132,  233,  254,
+ /*    10 */   270,  330,   -2,   44,  202,  385,  400,  416,  439,  452,
+ /*    20 */   470,  485,  500,  517,  532,  547,  562,  577,  594,  607,
+ /*    30 */   622,  637,  257, -119,  632, -151, -143, -135,   60,  -46,
+ /*    40 */  -106,   21, -132,  -97,  164, -152,  249,  -39,  124,   22,
+ /*    50 */   314,  339, -168, -168, -168, -105,   81,   83,  104,  118,
+ /*    60 */   149,  171,   96,  120,   98, -150, -184,  156,  167,  216,
+ /*    70 */   207,  207,  207,  276,  245,  284,  336,  316,  317,  329,
+ /*    80 */   368,  379,  347,  354,  383,  367,  372,  382,  386,  207,
+ /*    90 */   433,  427,  426,  443,  415,  421,  428,  276,  494,  498,
+ /*   100 */   493,  507,  508,  497,  510,  503,  509,  513,  520,  528,
+ /*   110 */   519,  522,  529,
 };
 static const YYACTIONTYPE yy_default[] = {
- /*     0 */   601,  601,  601,  601,  601,  601,  601,  601,  601,  601,
- /*    10 */   601,  601,  601,  601,  601,  601,  601,  601,  601,  601,
- /*    20 */   601,  601,  601,  601,  601,  601,  601,  601,  601,  601,
- /*    30 */   601,  601,  601,  601,  601,  601,  601,  601,  601,  601,
- /*    40 */   601,  601,  601,  601,  601,  606,  601,  734,  601,  601,
- /*    50 */   745,  745,  745,  606,  601,  601,  663,  601,  809,  601,
- /*    60 */   769,  761,  737,  751,  738,  601,  794,  754,  601,  776,
- /*    70 */   774,  601,  601,  776,  774,  601,  788,  784,  767,  765,
- /*    80 */   751,  601,  601,  601,  601,  812,  800,  796,  601,  601,
- /*    90 */   601,  601,  606,  601,  632,  601,  601,  601,  606,  666,
- /*   100 */   666,  607,  601,  601,  601,  601,  787,  786,  711,  710,
- /*   110 */   709,  705,  706,  601,  601,  601,  601,  700,  701,  699,
- /*   120 */   698,  601,  601,  601,  735,  601,  601,  601,  797,  801,
- /*   130 */   601,  688,  601,  601,  601,  601,  601,  601,  601,  601,
- /*   140 */   601,  758,  768,  601,  601,  601,  601,  601,  601,  601,
- /*   150 */   601,  601,  601,  601,  601,  601,  688,  601,  785,  601,
- /*   160 */   744,  740,  601,  601,  736,  687,  601,  730,  601,  601,
- /*   170 */   601,  795,  601,  601,  601,  601,  601,  601,  601,  601,
- /*   180 */   601,  601,  601,  601,  601,  601,  601,  601,  601,  634,
- /*   190 */   601,  601,  601,  601,  601,  601,  660,  601,  601,  601,
- /*   200 */   601,  601,  601,  601,  601,  601,  601,  601,  601,  645,
- /*   210 */   643,  642,  641,  601,  638,  601,  601,  601,  601,  601,
- /*   220 */   601,  601,  601,  601,  601,  601,  601,  601,  601,  601,
- /*   230 */   601,  601,  601,  601,  601,  601,  601,  601,  601,
+ /*     0 */   666,  666,  666,  666,  666,  666,  666,  666,  666,  666,
+ /*    10 */   666,  666,  666,  666,  666,  666,  666,  666,  666,  666,
+ /*    20 */   666,  666,  666,  666,  666,  666,  666,  666,  666,  666,
+ /*    30 */   666,  666,  666,  666,  666,  666,  666,  666,  666,  666,
+ /*    40 */   666,  689,  666,  666,  666,  666,  666,  666,  666,  666,
+ /*    50 */   666,  687,  666,  822,  666,  666,  666,  833,  833,  833,
+ /*    60 */   689,  687,  666,  666,  751,  666,  897,  666,  857,  849,
+ /*    70 */   825,  839,  826,  666,  882,  842,  666,  666,  864,  862,
+ /*    80 */   666,  666,  864,  862,  666,  876,  872,  855,  853,  839,
+ /*    90 */   666,  666,  666,  666,  900,  888,  884,  666,  666,  666,
+ /*   100 */   689,  666,  666,  666,  687,  666,  720,  666,  687,  666,
+ /*   110 */   754,  754,  690,  666,  666,  666,  666,  666,  875,  874,
+ /*   120 */   799,  798,  797,  793,  794,  666,  666,  666,  666,  666,
+ /*   130 */   666,  788,  789,  787,  786,  666,  666,  823,  666,  666,
+ /*   140 */   666,  885,  889,  666,  775,  666,  666,  666,  666,  666,
+ /*   150 */   666,  666,  666,  666,  846,  856,  666,  666,  666,  666,
+ /*   160 */   666,  666,  666,  666,  666,  666,  666,  666,  666,  775,
+ /*   170 */   666,  873,  666,  832,  828,  666,  666,  824,  666,  818,
+ /*   180 */   666,  666,  666,  883,  666,  666,  666,  666,  666,  666,
+ /*   190 */   666,  666,  666,  666,  666,  666,  666,  666,  666,  666,
+ /*   200 */   666,  666,  666,  666,  666,  666,  666,  666,  666,  666,
+ /*   210 */   666,  666,  666,  666,  774,  666,  666,  666,  666,  666,
+ /*   220 */   666,  666,  748,  666,  666,  666,  666,  666,  666,  666,
+ /*   230 */   666,  666,  666,  666,  666,  733,  731,  730,  729,  666,
+ /*   240 */   726,  666,  666,  666,  666,  666,  666,  666,  666,  666,
+ /*   250 */   666,  666,  666,  666,  666,  666,  666,  666,  666,  666,
+ /*   260 */   666,  666,  666,  666,  666,  666,  666,  666,  666,  666,
+ /*   270 */   666,  666,
 };
 /********** End of lemon-generated parsing tables *****************************/
 
@@ -587,178 +610,195 @@ static const char *const yyTokenName[] = {
   /*   16 */ "NK_REM",
   /*   17 */ "NK_CONCAT",
   /*   18 */ "CREATE",
-  /*   19 */ "DATABASE",
-  /*   20 */ "IF",
-  /*   21 */ "NOT",
-  /*   22 */ "EXISTS",
-  /*   23 */ "BLOCKS",
-  /*   24 */ "NK_INTEGER",
-  /*   25 */ "CACHE",
-  /*   26 */ "CACHELAST",
-  /*   27 */ "COMP",
-  /*   28 */ "DAYS",
-  /*   29 */ "FSYNC",
-  /*   30 */ "MAXROWS",
-  /*   31 */ "MINROWS",
-  /*   32 */ "KEEP",
-  /*   33 */ "PRECISION",
-  /*   34 */ "NK_STRING",
-  /*   35 */ "QUORUM",
-  /*   36 */ "REPLICA",
-  /*   37 */ "TTL",
-  /*   38 */ "WAL",
-  /*   39 */ "VGROUPS",
-  /*   40 */ "SINGLE_STABLE",
-  /*   41 */ "STREAM_MODE",
-  /*   42 */ "USE",
-  /*   43 */ "TABLE",
-  /*   44 */ "NK_LP",
-  /*   45 */ "NK_RP",
-  /*   46 */ "STABLE",
-  /*   47 */ "USING",
-  /*   48 */ "TAGS",
-  /*   49 */ "NK_ID",
-  /*   50 */ "NK_DOT",
-  /*   51 */ "NK_COMMA",
-  /*   52 */ "COMMENT",
-  /*   53 */ "BOOL",
-  /*   54 */ "TINYINT",
-  /*   55 */ "SMALLINT",
-  /*   56 */ "INT",
-  /*   57 */ "INTEGER",
-  /*   58 */ "BIGINT",
-  /*   59 */ "FLOAT",
-  /*   60 */ "DOUBLE",
-  /*   61 */ "BINARY",
-  /*   62 */ "TIMESTAMP",
-  /*   63 */ "NCHAR",
-  /*   64 */ "UNSIGNED",
-  /*   65 */ "JSON",
-  /*   66 */ "VARCHAR",
-  /*   67 */ "MEDIUMBLOB",
-  /*   68 */ "BLOB",
-  /*   69 */ "VARBINARY",
-  /*   70 */ "DECIMAL",
-  /*   71 */ "SMA",
-  /*   72 */ "SHOW",
-  /*   73 */ "DATABASES",
-  /*   74 */ "TABLES",
-  /*   75 */ "NK_FLOAT",
-  /*   76 */ "NK_BOOL",
-  /*   77 */ "NK_VARIABLE",
-  /*   78 */ "BETWEEN",
-  /*   79 */ "IS",
-  /*   80 */ "NULL",
-  /*   81 */ "NK_LT",
-  /*   82 */ "NK_GT",
-  /*   83 */ "NK_LE",
-  /*   84 */ "NK_GE",
-  /*   85 */ "NK_NE",
-  /*   86 */ "NK_EQ",
-  /*   87 */ "LIKE",
-  /*   88 */ "MATCH",
-  /*   89 */ "NMATCH",
-  /*   90 */ "IN",
-  /*   91 */ "FROM",
-  /*   92 */ "AS",
-  /*   93 */ "JOIN",
-  /*   94 */ "ON",
-  /*   95 */ "INNER",
-  /*   96 */ "SELECT",
-  /*   97 */ "DISTINCT",
-  /*   98 */ "WHERE",
-  /*   99 */ "PARTITION",
-  /*  100 */ "BY",
-  /*  101 */ "SESSION",
-  /*  102 */ "STATE_WINDOW",
-  /*  103 */ "INTERVAL",
-  /*  104 */ "SLIDING",
-  /*  105 */ "FILL",
-  /*  106 */ "VALUE",
-  /*  107 */ "NONE",
-  /*  108 */ "PREV",
-  /*  109 */ "LINEAR",
-  /*  110 */ "NEXT",
-  /*  111 */ "GROUP",
-  /*  112 */ "HAVING",
-  /*  113 */ "ORDER",
-  /*  114 */ "SLIMIT",
-  /*  115 */ "SOFFSET",
-  /*  116 */ "LIMIT",
-  /*  117 */ "OFFSET",
-  /*  118 */ "ASC",
-  /*  119 */ "DESC",
-  /*  120 */ "NULLS",
-  /*  121 */ "FIRST",
-  /*  122 */ "LAST",
-  /*  123 */ "cmd",
-  /*  124 */ "exists_opt",
-  /*  125 */ "db_name",
-  /*  126 */ "db_options",
-  /*  127 */ "full_table_name",
-  /*  128 */ "column_def_list",
-  /*  129 */ "tags_def_opt",
-  /*  130 */ "table_options",
-  /*  131 */ "multi_create_clause",
-  /*  132 */ "tags_def",
-  /*  133 */ "create_subtable_clause",
-  /*  134 */ "specific_tags_opt",
-  /*  135 */ "literal_list",
-  /*  136 */ "col_name_list",
-  /*  137 */ "column_def",
-  /*  138 */ "column_name",
-  /*  139 */ "type_name",
-  /*  140 */ "col_name",
-  /*  141 */ "query_expression",
-  /*  142 */ "literal",
-  /*  143 */ "duration_literal",
-  /*  144 */ "table_name",
-  /*  145 */ "function_name",
-  /*  146 */ "table_alias",
-  /*  147 */ "column_alias",
-  /*  148 */ "expression",
-  /*  149 */ "column_reference",
-  /*  150 */ "expression_list",
-  /*  151 */ "subquery",
-  /*  152 */ "predicate",
-  /*  153 */ "compare_op",
-  /*  154 */ "in_op",
-  /*  155 */ "in_predicate_value",
-  /*  156 */ "boolean_value_expression",
-  /*  157 */ "boolean_primary",
-  /*  158 */ "common_expression",
-  /*  159 */ "from_clause",
-  /*  160 */ "table_reference_list",
-  /*  161 */ "table_reference",
-  /*  162 */ "table_primary",
-  /*  163 */ "joined_table",
-  /*  164 */ "alias_opt",
-  /*  165 */ "parenthesized_joined_table",
-  /*  166 */ "join_type",
-  /*  167 */ "search_condition",
-  /*  168 */ "query_specification",
-  /*  169 */ "set_quantifier_opt",
-  /*  170 */ "select_list",
-  /*  171 */ "where_clause_opt",
-  /*  172 */ "partition_by_clause_opt",
-  /*  173 */ "twindow_clause_opt",
-  /*  174 */ "group_by_clause_opt",
-  /*  175 */ "having_clause_opt",
-  /*  176 */ "select_sublist",
-  /*  177 */ "select_item",
-  /*  178 */ "sliding_opt",
-  /*  179 */ "fill_opt",
-  /*  180 */ "fill_mode",
-  /*  181 */ "group_by_list",
-  /*  182 */ "query_expression_body",
-  /*  183 */ "order_by_clause_opt",
-  /*  184 */ "slimit_clause_opt",
-  /*  185 */ "limit_clause_opt",
-  /*  186 */ "query_primary",
-  /*  187 */ "sort_specification_list",
-  /*  188 */ "sort_specification",
-  /*  189 */ "ordering_specification_opt",
-  /*  190 */ "null_ordering_opt",
+  /*   19 */ "USER",
+  /*   20 */ "PASS",
+  /*   21 */ "NK_STRING",
+  /*   22 */ "ALTER",
+  /*   23 */ "PRIVILEGE",
+  /*   24 */ "DROP",
+  /*   25 */ "SHOW",
+  /*   26 */ "USERS",
+  /*   27 */ "DNODE",
+  /*   28 */ "PORT",
+  /*   29 */ "NK_INTEGER",
+  /*   30 */ "DNODES",
+  /*   31 */ "NK_ID",
+  /*   32 */ "NK_IPTOKEN",
+  /*   33 */ "DATABASE",
+  /*   34 */ "DATABASES",
+  /*   35 */ "USE",
+  /*   36 */ "IF",
+  /*   37 */ "NOT",
+  /*   38 */ "EXISTS",
+  /*   39 */ "BLOCKS",
+  /*   40 */ "CACHE",
+  /*   41 */ "CACHELAST",
+  /*   42 */ "COMP",
+  /*   43 */ "DAYS",
+  /*   44 */ "FSYNC",
+  /*   45 */ "MAXROWS",
+  /*   46 */ "MINROWS",
+  /*   47 */ "KEEP",
+  /*   48 */ "PRECISION",
+  /*   49 */ "QUORUM",
+  /*   50 */ "REPLICA",
+  /*   51 */ "TTL",
+  /*   52 */ "WAL",
+  /*   53 */ "VGROUPS",
+  /*   54 */ "SINGLE_STABLE",
+  /*   55 */ "STREAM_MODE",
+  /*   56 */ "TABLE",
+  /*   57 */ "NK_LP",
+  /*   58 */ "NK_RP",
+  /*   59 */ "STABLE",
+  /*   60 */ "TABLES",
+  /*   61 */ "STABLES",
+  /*   62 */ "USING",
+  /*   63 */ "TAGS",
+  /*   64 */ "NK_DOT",
+  /*   65 */ "NK_COMMA",
+  /*   66 */ "COMMENT",
+  /*   67 */ "BOOL",
+  /*   68 */ "TINYINT",
+  /*   69 */ "SMALLINT",
+  /*   70 */ "INT",
+  /*   71 */ "INTEGER",
+  /*   72 */ "BIGINT",
+  /*   73 */ "FLOAT",
+  /*   74 */ "DOUBLE",
+  /*   75 */ "BINARY",
+  /*   76 */ "TIMESTAMP",
+  /*   77 */ "NCHAR",
+  /*   78 */ "UNSIGNED",
+  /*   79 */ "JSON",
+  /*   80 */ "VARCHAR",
+  /*   81 */ "MEDIUMBLOB",
+  /*   82 */ "BLOB",
+  /*   83 */ "VARBINARY",
+  /*   84 */ "DECIMAL",
+  /*   85 */ "SMA",
+  /*   86 */ "NK_FLOAT",
+  /*   87 */ "NK_BOOL",
+  /*   88 */ "NK_VARIABLE",
+  /*   89 */ "BETWEEN",
+  /*   90 */ "IS",
+  /*   91 */ "NULL",
+  /*   92 */ "NK_LT",
+  /*   93 */ "NK_GT",
+  /*   94 */ "NK_LE",
+  /*   95 */ "NK_GE",
+  /*   96 */ "NK_NE",
+  /*   97 */ "NK_EQ",
+  /*   98 */ "LIKE",
+  /*   99 */ "MATCH",
+  /*  100 */ "NMATCH",
+  /*  101 */ "IN",
+  /*  102 */ "FROM",
+  /*  103 */ "AS",
+  /*  104 */ "JOIN",
+  /*  105 */ "ON",
+  /*  106 */ "INNER",
+  /*  107 */ "SELECT",
+  /*  108 */ "DISTINCT",
+  /*  109 */ "WHERE",
+  /*  110 */ "PARTITION",
+  /*  111 */ "BY",
+  /*  112 */ "SESSION",
+  /*  113 */ "STATE_WINDOW",
+  /*  114 */ "INTERVAL",
+  /*  115 */ "SLIDING",
+  /*  116 */ "FILL",
+  /*  117 */ "VALUE",
+  /*  118 */ "NONE",
+  /*  119 */ "PREV",
+  /*  120 */ "LINEAR",
+  /*  121 */ "NEXT",
+  /*  122 */ "GROUP",
+  /*  123 */ "HAVING",
+  /*  124 */ "ORDER",
+  /*  125 */ "SLIMIT",
+  /*  126 */ "SOFFSET",
+  /*  127 */ "LIMIT",
+  /*  128 */ "OFFSET",
+  /*  129 */ "ASC",
+  /*  130 */ "DESC",
+  /*  131 */ "NULLS",
+  /*  132 */ "FIRST",
+  /*  133 */ "LAST",
+  /*  134 */ "cmd",
+  /*  135 */ "user_name",
+  /*  136 */ "dnode_endpoint",
+  /*  137 */ "dnode_host_name",
+  /*  138 */ "not_exists_opt",
+  /*  139 */ "db_name",
+  /*  140 */ "db_options",
+  /*  141 */ "exists_opt",
+  /*  142 */ "full_table_name",
+  /*  143 */ "column_def_list",
+  /*  144 */ "tags_def_opt",
+  /*  145 */ "table_options",
+  /*  146 */ "multi_create_clause",
+  /*  147 */ "tags_def",
+  /*  148 */ "multi_drop_clause",
+  /*  149 */ "create_subtable_clause",
+  /*  150 */ "specific_tags_opt",
+  /*  151 */ "literal_list",
+  /*  152 */ "drop_table_clause",
+  /*  153 */ "col_name_list",
+  /*  154 */ "table_name",
+  /*  155 */ "column_def",
+  /*  156 */ "column_name",
+  /*  157 */ "type_name",
+  /*  158 */ "col_name",
+  /*  159 */ "query_expression",
+  /*  160 */ "literal",
+  /*  161 */ "duration_literal",
+  /*  162 */ "function_name",
+  /*  163 */ "table_alias",
+  /*  164 */ "column_alias",
+  /*  165 */ "expression",
+  /*  166 */ "column_reference",
+  /*  167 */ "expression_list",
+  /*  168 */ "subquery",
+  /*  169 */ "predicate",
+  /*  170 */ "compare_op",
+  /*  171 */ "in_op",
+  /*  172 */ "in_predicate_value",
+  /*  173 */ "boolean_value_expression",
+  /*  174 */ "boolean_primary",
+  /*  175 */ "common_expression",
+  /*  176 */ "from_clause",
+  /*  177 */ "table_reference_list",
+  /*  178 */ "table_reference",
+  /*  179 */ "table_primary",
+  /*  180 */ "joined_table",
+  /*  181 */ "alias_opt",
+  /*  182 */ "parenthesized_joined_table",
+  /*  183 */ "join_type",
+  /*  184 */ "search_condition",
+  /*  185 */ "query_specification",
+  /*  186 */ "set_quantifier_opt",
+  /*  187 */ "select_list",
+  /*  188 */ "where_clause_opt",
+  /*  189 */ "partition_by_clause_opt",
+  /*  190 */ "twindow_clause_opt",
+  /*  191 */ "group_by_clause_opt",
+  /*  192 */ "having_clause_opt",
+  /*  193 */ "select_sublist",
+  /*  194 */ "select_item",
+  /*  195 */ "sliding_opt",
+  /*  196 */ "fill_opt",
+  /*  197 */ "fill_mode",
+  /*  198 */ "group_by_list",
+  /*  199 */ "query_expression_body",
+  /*  200 */ "order_by_clause_opt",
+  /*  201 */ "slimit_clause_opt",
+  /*  202 */ "limit_clause_opt",
+  /*  203 */ "query_primary",
+  /*  204 */ "sort_specification_list",
+  /*  205 */ "sort_specification",
+  /*  206 */ "ordering_specification_opt",
+  /*  207 */ "null_ordering_opt",
 };
 #endif /* defined(YYCOVERAGE) || !defined(NDEBUG) */
 
@@ -766,217 +806,240 @@ static const char *const yyTokenName[] = {
 /* For tracing reduce actions, the names of all rules are required.
 */
 static const char *const yyRuleName[] = {
- /*   0 */ "cmd ::= CREATE DATABASE exists_opt db_name db_options",
- /*   1 */ "exists_opt ::= IF NOT EXISTS",
- /*   2 */ "exists_opt ::=",
- /*   3 */ "db_options ::=",
- /*   4 */ "db_options ::= db_options BLOCKS NK_INTEGER",
- /*   5 */ "db_options ::= db_options CACHE NK_INTEGER",
- /*   6 */ "db_options ::= db_options CACHELAST NK_INTEGER",
- /*   7 */ "db_options ::= db_options COMP NK_INTEGER",
- /*   8 */ "db_options ::= db_options DAYS NK_INTEGER",
- /*   9 */ "db_options ::= db_options FSYNC NK_INTEGER",
- /*  10 */ "db_options ::= db_options MAXROWS NK_INTEGER",
- /*  11 */ "db_options ::= db_options MINROWS NK_INTEGER",
- /*  12 */ "db_options ::= db_options KEEP NK_INTEGER",
- /*  13 */ "db_options ::= db_options PRECISION NK_STRING",
- /*  14 */ "db_options ::= db_options QUORUM NK_INTEGER",
- /*  15 */ "db_options ::= db_options REPLICA NK_INTEGER",
- /*  16 */ "db_options ::= db_options TTL NK_INTEGER",
- /*  17 */ "db_options ::= db_options WAL NK_INTEGER",
- /*  18 */ "db_options ::= db_options VGROUPS NK_INTEGER",
- /*  19 */ "db_options ::= db_options SINGLE_STABLE NK_INTEGER",
- /*  20 */ "db_options ::= db_options STREAM_MODE NK_INTEGER",
- /*  21 */ "cmd ::= USE db_name",
- /*  22 */ "cmd ::= CREATE TABLE exists_opt full_table_name NK_LP column_def_list NK_RP tags_def_opt table_options",
- /*  23 */ "cmd ::= CREATE TABLE multi_create_clause",
- /*  24 */ "cmd ::= CREATE STABLE exists_opt full_table_name NK_LP column_def_list NK_RP tags_def table_options",
- /*  25 */ "multi_create_clause ::= create_subtable_clause",
- /*  26 */ "multi_create_clause ::= multi_create_clause create_subtable_clause",
- /*  27 */ "create_subtable_clause ::= exists_opt full_table_name USING full_table_name specific_tags_opt TAGS NK_LP literal_list NK_RP",
- /*  28 */ "specific_tags_opt ::=",
- /*  29 */ "specific_tags_opt ::= NK_LP col_name_list NK_RP",
- /*  30 */ "full_table_name ::= NK_ID",
- /*  31 */ "full_table_name ::= NK_ID NK_DOT NK_ID",
- /*  32 */ "column_def_list ::= column_def",
- /*  33 */ "column_def_list ::= column_def_list NK_COMMA column_def",
- /*  34 */ "column_def ::= column_name type_name",
- /*  35 */ "column_def ::= column_name type_name COMMENT NK_STRING",
- /*  36 */ "type_name ::= BOOL",
- /*  37 */ "type_name ::= TINYINT",
- /*  38 */ "type_name ::= SMALLINT",
- /*  39 */ "type_name ::= INT",
- /*  40 */ "type_name ::= INTEGER",
- /*  41 */ "type_name ::= BIGINT",
- /*  42 */ "type_name ::= FLOAT",
- /*  43 */ "type_name ::= DOUBLE",
- /*  44 */ "type_name ::= BINARY NK_LP NK_INTEGER NK_RP",
- /*  45 */ "type_name ::= TIMESTAMP",
- /*  46 */ "type_name ::= NCHAR NK_LP NK_INTEGER NK_RP",
- /*  47 */ "type_name ::= TINYINT UNSIGNED",
- /*  48 */ "type_name ::= SMALLINT UNSIGNED",
- /*  49 */ "type_name ::= INT UNSIGNED",
- /*  50 */ "type_name ::= BIGINT UNSIGNED",
- /*  51 */ "type_name ::= JSON",
- /*  52 */ "type_name ::= VARCHAR NK_LP NK_INTEGER NK_RP",
- /*  53 */ "type_name ::= MEDIUMBLOB",
- /*  54 */ "type_name ::= BLOB",
- /*  55 */ "type_name ::= VARBINARY NK_LP NK_INTEGER NK_RP",
- /*  56 */ "type_name ::= DECIMAL",
- /*  57 */ "type_name ::= DECIMAL NK_LP NK_INTEGER NK_RP",
- /*  58 */ "type_name ::= DECIMAL NK_LP NK_INTEGER NK_COMMA NK_INTEGER NK_RP",
- /*  59 */ "tags_def_opt ::=",
- /*  60 */ "tags_def_opt ::= tags_def",
- /*  61 */ "tags_def ::= TAGS NK_LP column_def_list NK_RP",
- /*  62 */ "table_options ::=",
- /*  63 */ "table_options ::= table_options COMMENT NK_STRING",
- /*  64 */ "table_options ::= table_options KEEP NK_INTEGER",
- /*  65 */ "table_options ::= table_options TTL NK_INTEGER",
- /*  66 */ "table_options ::= table_options SMA NK_LP col_name_list NK_RP",
- /*  67 */ "col_name_list ::= col_name",
- /*  68 */ "col_name_list ::= col_name_list NK_COMMA col_name",
- /*  69 */ "col_name ::= column_name",
- /*  70 */ "cmd ::= SHOW DATABASES",
- /*  71 */ "cmd ::= SHOW TABLES",
- /*  72 */ "cmd ::= query_expression",
- /*  73 */ "literal ::= NK_INTEGER",
- /*  74 */ "literal ::= NK_FLOAT",
- /*  75 */ "literal ::= NK_STRING",
- /*  76 */ "literal ::= NK_BOOL",
- /*  77 */ "literal ::= TIMESTAMP NK_STRING",
- /*  78 */ "literal ::= duration_literal",
- /*  79 */ "duration_literal ::= NK_VARIABLE",
- /*  80 */ "literal_list ::= literal",
- /*  81 */ "literal_list ::= literal_list NK_COMMA literal",
- /*  82 */ "db_name ::= NK_ID",
- /*  83 */ "table_name ::= NK_ID",
- /*  84 */ "column_name ::= NK_ID",
- /*  85 */ "function_name ::= NK_ID",
- /*  86 */ "table_alias ::= NK_ID",
- /*  87 */ "column_alias ::= NK_ID",
- /*  88 */ "expression ::= literal",
- /*  89 */ "expression ::= column_reference",
- /*  90 */ "expression ::= function_name NK_LP expression_list NK_RP",
- /*  91 */ "expression ::= function_name NK_LP NK_STAR NK_RP",
- /*  92 */ "expression ::= subquery",
- /*  93 */ "expression ::= NK_LP expression NK_RP",
- /*  94 */ "expression ::= NK_PLUS expression",
- /*  95 */ "expression ::= NK_MINUS expression",
- /*  96 */ "expression ::= expression NK_PLUS expression",
- /*  97 */ "expression ::= expression NK_MINUS expression",
- /*  98 */ "expression ::= expression NK_STAR expression",
- /*  99 */ "expression ::= expression NK_SLASH expression",
- /* 100 */ "expression ::= expression NK_REM expression",
- /* 101 */ "expression_list ::= expression",
- /* 102 */ "expression_list ::= expression_list NK_COMMA expression",
- /* 103 */ "column_reference ::= column_name",
- /* 104 */ "column_reference ::= table_name NK_DOT column_name",
- /* 105 */ "predicate ::= expression compare_op expression",
- /* 106 */ "predicate ::= expression BETWEEN expression AND expression",
- /* 107 */ "predicate ::= expression NOT BETWEEN expression AND expression",
- /* 108 */ "predicate ::= expression IS NULL",
- /* 109 */ "predicate ::= expression IS NOT NULL",
- /* 110 */ "predicate ::= expression in_op in_predicate_value",
- /* 111 */ "compare_op ::= NK_LT",
- /* 112 */ "compare_op ::= NK_GT",
- /* 113 */ "compare_op ::= NK_LE",
- /* 114 */ "compare_op ::= NK_GE",
- /* 115 */ "compare_op ::= NK_NE",
- /* 116 */ "compare_op ::= NK_EQ",
- /* 117 */ "compare_op ::= LIKE",
- /* 118 */ "compare_op ::= NOT LIKE",
- /* 119 */ "compare_op ::= MATCH",
- /* 120 */ "compare_op ::= NMATCH",
- /* 121 */ "in_op ::= IN",
- /* 122 */ "in_op ::= NOT IN",
- /* 123 */ "in_predicate_value ::= NK_LP expression_list NK_RP",
- /* 124 */ "boolean_value_expression ::= boolean_primary",
- /* 125 */ "boolean_value_expression ::= NOT boolean_primary",
- /* 126 */ "boolean_value_expression ::= boolean_value_expression OR boolean_value_expression",
- /* 127 */ "boolean_value_expression ::= boolean_value_expression AND boolean_value_expression",
- /* 128 */ "boolean_primary ::= predicate",
- /* 129 */ "boolean_primary ::= NK_LP boolean_value_expression NK_RP",
- /* 130 */ "common_expression ::= expression",
- /* 131 */ "common_expression ::= boolean_value_expression",
- /* 132 */ "from_clause ::= FROM table_reference_list",
- /* 133 */ "table_reference_list ::= table_reference",
- /* 134 */ "table_reference_list ::= table_reference_list NK_COMMA table_reference",
- /* 135 */ "table_reference ::= table_primary",
- /* 136 */ "table_reference ::= joined_table",
- /* 137 */ "table_primary ::= table_name alias_opt",
- /* 138 */ "table_primary ::= db_name NK_DOT table_name alias_opt",
- /* 139 */ "table_primary ::= subquery alias_opt",
- /* 140 */ "table_primary ::= parenthesized_joined_table",
- /* 141 */ "alias_opt ::=",
- /* 142 */ "alias_opt ::= table_alias",
- /* 143 */ "alias_opt ::= AS table_alias",
- /* 144 */ "parenthesized_joined_table ::= NK_LP joined_table NK_RP",
- /* 145 */ "parenthesized_joined_table ::= NK_LP parenthesized_joined_table NK_RP",
- /* 146 */ "joined_table ::= table_reference join_type JOIN table_reference ON search_condition",
- /* 147 */ "join_type ::=",
- /* 148 */ "join_type ::= INNER",
- /* 149 */ "query_specification ::= SELECT set_quantifier_opt select_list from_clause where_clause_opt partition_by_clause_opt twindow_clause_opt group_by_clause_opt having_clause_opt",
- /* 150 */ "set_quantifier_opt ::=",
- /* 151 */ "set_quantifier_opt ::= DISTINCT",
- /* 152 */ "set_quantifier_opt ::= ALL",
- /* 153 */ "select_list ::= NK_STAR",
- /* 154 */ "select_list ::= select_sublist",
- /* 155 */ "select_sublist ::= select_item",
- /* 156 */ "select_sublist ::= select_sublist NK_COMMA select_item",
- /* 157 */ "select_item ::= common_expression",
- /* 158 */ "select_item ::= common_expression column_alias",
- /* 159 */ "select_item ::= common_expression AS column_alias",
- /* 160 */ "select_item ::= table_name NK_DOT NK_STAR",
- /* 161 */ "where_clause_opt ::=",
- /* 162 */ "where_clause_opt ::= WHERE search_condition",
- /* 163 */ "partition_by_clause_opt ::=",
- /* 164 */ "partition_by_clause_opt ::= PARTITION BY expression_list",
- /* 165 */ "twindow_clause_opt ::=",
- /* 166 */ "twindow_clause_opt ::= SESSION NK_LP column_reference NK_COMMA NK_INTEGER NK_RP",
- /* 167 */ "twindow_clause_opt ::= STATE_WINDOW NK_LP column_reference NK_RP",
- /* 168 */ "twindow_clause_opt ::= INTERVAL NK_LP duration_literal NK_RP sliding_opt fill_opt",
- /* 169 */ "twindow_clause_opt ::= INTERVAL NK_LP duration_literal NK_COMMA duration_literal NK_RP sliding_opt fill_opt",
- /* 170 */ "sliding_opt ::=",
- /* 171 */ "sliding_opt ::= SLIDING NK_LP duration_literal NK_RP",
- /* 172 */ "fill_opt ::=",
- /* 173 */ "fill_opt ::= FILL NK_LP fill_mode NK_RP",
- /* 174 */ "fill_opt ::= FILL NK_LP VALUE NK_COMMA literal_list NK_RP",
- /* 175 */ "fill_mode ::= NONE",
- /* 176 */ "fill_mode ::= PREV",
- /* 177 */ "fill_mode ::= NULL",
- /* 178 */ "fill_mode ::= LINEAR",
- /* 179 */ "fill_mode ::= NEXT",
- /* 180 */ "group_by_clause_opt ::=",
- /* 181 */ "group_by_clause_opt ::= GROUP BY group_by_list",
- /* 182 */ "group_by_list ::= expression",
- /* 183 */ "group_by_list ::= group_by_list NK_COMMA expression",
- /* 184 */ "having_clause_opt ::=",
- /* 185 */ "having_clause_opt ::= HAVING search_condition",
- /* 186 */ "query_expression ::= query_expression_body order_by_clause_opt slimit_clause_opt limit_clause_opt",
- /* 187 */ "query_expression_body ::= query_primary",
- /* 188 */ "query_expression_body ::= query_expression_body UNION ALL query_expression_body",
- /* 189 */ "query_primary ::= query_specification",
- /* 190 */ "order_by_clause_opt ::=",
- /* 191 */ "order_by_clause_opt ::= ORDER BY sort_specification_list",
- /* 192 */ "slimit_clause_opt ::=",
- /* 193 */ "slimit_clause_opt ::= SLIMIT NK_INTEGER",
- /* 194 */ "slimit_clause_opt ::= SLIMIT NK_INTEGER SOFFSET NK_INTEGER",
- /* 195 */ "slimit_clause_opt ::= SLIMIT NK_INTEGER NK_COMMA NK_INTEGER",
- /* 196 */ "limit_clause_opt ::=",
- /* 197 */ "limit_clause_opt ::= LIMIT NK_INTEGER",
- /* 198 */ "limit_clause_opt ::= LIMIT NK_INTEGER OFFSET NK_INTEGER",
- /* 199 */ "limit_clause_opt ::= LIMIT NK_INTEGER NK_COMMA NK_INTEGER",
- /* 200 */ "subquery ::= NK_LP query_expression NK_RP",
- /* 201 */ "search_condition ::= common_expression",
- /* 202 */ "sort_specification_list ::= sort_specification",
- /* 203 */ "sort_specification_list ::= sort_specification_list NK_COMMA sort_specification",
- /* 204 */ "sort_specification ::= expression ordering_specification_opt null_ordering_opt",
- /* 205 */ "ordering_specification_opt ::=",
- /* 206 */ "ordering_specification_opt ::= ASC",
- /* 207 */ "ordering_specification_opt ::= DESC",
- /* 208 */ "null_ordering_opt ::=",
- /* 209 */ "null_ordering_opt ::= NULLS FIRST",
- /* 210 */ "null_ordering_opt ::= NULLS LAST",
+ /*   0 */ "cmd ::= CREATE USER user_name PASS NK_STRING",
+ /*   1 */ "cmd ::= ALTER USER user_name PASS NK_STRING",
+ /*   2 */ "cmd ::= ALTER USER user_name PRIVILEGE NK_STRING",
+ /*   3 */ "cmd ::= DROP USER user_name",
+ /*   4 */ "cmd ::= SHOW USERS",
+ /*   5 */ "cmd ::= CREATE DNODE dnode_endpoint",
+ /*   6 */ "cmd ::= CREATE DNODE dnode_host_name PORT NK_INTEGER",
+ /*   7 */ "cmd ::= DROP DNODE NK_INTEGER",
+ /*   8 */ "cmd ::= DROP DNODE dnode_endpoint",
+ /*   9 */ "cmd ::= SHOW DNODES",
+ /*  10 */ "dnode_endpoint ::= NK_STRING",
+ /*  11 */ "dnode_host_name ::= NK_ID",
+ /*  12 */ "dnode_host_name ::= NK_IPTOKEN",
+ /*  13 */ "cmd ::= CREATE DATABASE not_exists_opt db_name db_options",
+ /*  14 */ "cmd ::= DROP DATABASE exists_opt db_name",
+ /*  15 */ "cmd ::= SHOW DATABASES",
+ /*  16 */ "cmd ::= USE db_name",
+ /*  17 */ "not_exists_opt ::= IF NOT EXISTS",
+ /*  18 */ "not_exists_opt ::=",
+ /*  19 */ "exists_opt ::= IF EXISTS",
+ /*  20 */ "exists_opt ::=",
+ /*  21 */ "db_options ::=",
+ /*  22 */ "db_options ::= db_options BLOCKS NK_INTEGER",
+ /*  23 */ "db_options ::= db_options CACHE NK_INTEGER",
+ /*  24 */ "db_options ::= db_options CACHELAST NK_INTEGER",
+ /*  25 */ "db_options ::= db_options COMP NK_INTEGER",
+ /*  26 */ "db_options ::= db_options DAYS NK_INTEGER",
+ /*  27 */ "db_options ::= db_options FSYNC NK_INTEGER",
+ /*  28 */ "db_options ::= db_options MAXROWS NK_INTEGER",
+ /*  29 */ "db_options ::= db_options MINROWS NK_INTEGER",
+ /*  30 */ "db_options ::= db_options KEEP NK_INTEGER",
+ /*  31 */ "db_options ::= db_options PRECISION NK_STRING",
+ /*  32 */ "db_options ::= db_options QUORUM NK_INTEGER",
+ /*  33 */ "db_options ::= db_options REPLICA NK_INTEGER",
+ /*  34 */ "db_options ::= db_options TTL NK_INTEGER",
+ /*  35 */ "db_options ::= db_options WAL NK_INTEGER",
+ /*  36 */ "db_options ::= db_options VGROUPS NK_INTEGER",
+ /*  37 */ "db_options ::= db_options SINGLE_STABLE NK_INTEGER",
+ /*  38 */ "db_options ::= db_options STREAM_MODE NK_INTEGER",
+ /*  39 */ "cmd ::= CREATE TABLE not_exists_opt full_table_name NK_LP column_def_list NK_RP tags_def_opt table_options",
+ /*  40 */ "cmd ::= CREATE TABLE multi_create_clause",
+ /*  41 */ "cmd ::= CREATE STABLE not_exists_opt full_table_name NK_LP column_def_list NK_RP tags_def table_options",
+ /*  42 */ "cmd ::= DROP TABLE multi_drop_clause",
+ /*  43 */ "cmd ::= SHOW TABLES",
+ /*  44 */ "cmd ::= SHOW STABLES",
+ /*  45 */ "multi_create_clause ::= create_subtable_clause",
+ /*  46 */ "multi_create_clause ::= multi_create_clause create_subtable_clause",
+ /*  47 */ "create_subtable_clause ::= not_exists_opt full_table_name USING full_table_name specific_tags_opt TAGS NK_LP literal_list NK_RP",
+ /*  48 */ "multi_drop_clause ::= drop_table_clause",
+ /*  49 */ "multi_drop_clause ::= multi_drop_clause drop_table_clause",
+ /*  50 */ "drop_table_clause ::= exists_opt full_table_name",
+ /*  51 */ "specific_tags_opt ::=",
+ /*  52 */ "specific_tags_opt ::= NK_LP col_name_list NK_RP",
+ /*  53 */ "full_table_name ::= table_name",
+ /*  54 */ "full_table_name ::= db_name NK_DOT table_name",
+ /*  55 */ "column_def_list ::= column_def",
+ /*  56 */ "column_def_list ::= column_def_list NK_COMMA column_def",
+ /*  57 */ "column_def ::= column_name type_name",
+ /*  58 */ "column_def ::= column_name type_name COMMENT NK_STRING",
+ /*  59 */ "type_name ::= BOOL",
+ /*  60 */ "type_name ::= TINYINT",
+ /*  61 */ "type_name ::= SMALLINT",
+ /*  62 */ "type_name ::= INT",
+ /*  63 */ "type_name ::= INTEGER",
+ /*  64 */ "type_name ::= BIGINT",
+ /*  65 */ "type_name ::= FLOAT",
+ /*  66 */ "type_name ::= DOUBLE",
+ /*  67 */ "type_name ::= BINARY NK_LP NK_INTEGER NK_RP",
+ /*  68 */ "type_name ::= TIMESTAMP",
+ /*  69 */ "type_name ::= NCHAR NK_LP NK_INTEGER NK_RP",
+ /*  70 */ "type_name ::= TINYINT UNSIGNED",
+ /*  71 */ "type_name ::= SMALLINT UNSIGNED",
+ /*  72 */ "type_name ::= INT UNSIGNED",
+ /*  73 */ "type_name ::= BIGINT UNSIGNED",
+ /*  74 */ "type_name ::= JSON",
+ /*  75 */ "type_name ::= VARCHAR NK_LP NK_INTEGER NK_RP",
+ /*  76 */ "type_name ::= MEDIUMBLOB",
+ /*  77 */ "type_name ::= BLOB",
+ /*  78 */ "type_name ::= VARBINARY NK_LP NK_INTEGER NK_RP",
+ /*  79 */ "type_name ::= DECIMAL",
+ /*  80 */ "type_name ::= DECIMAL NK_LP NK_INTEGER NK_RP",
+ /*  81 */ "type_name ::= DECIMAL NK_LP NK_INTEGER NK_COMMA NK_INTEGER NK_RP",
+ /*  82 */ "tags_def_opt ::=",
+ /*  83 */ "tags_def_opt ::= tags_def",
+ /*  84 */ "tags_def ::= TAGS NK_LP column_def_list NK_RP",
+ /*  85 */ "table_options ::=",
+ /*  86 */ "table_options ::= table_options COMMENT NK_STRING",
+ /*  87 */ "table_options ::= table_options KEEP NK_INTEGER",
+ /*  88 */ "table_options ::= table_options TTL NK_INTEGER",
+ /*  89 */ "table_options ::= table_options SMA NK_LP col_name_list NK_RP",
+ /*  90 */ "col_name_list ::= col_name",
+ /*  91 */ "col_name_list ::= col_name_list NK_COMMA col_name",
+ /*  92 */ "col_name ::= column_name",
+ /*  93 */ "cmd ::= SHOW VGROUPS",
+ /*  94 */ "cmd ::= query_expression",
+ /*  95 */ "literal ::= NK_INTEGER",
+ /*  96 */ "literal ::= NK_FLOAT",
+ /*  97 */ "literal ::= NK_STRING",
+ /*  98 */ "literal ::= NK_BOOL",
+ /*  99 */ "literal ::= TIMESTAMP NK_STRING",
+ /* 100 */ "literal ::= duration_literal",
+ /* 101 */ "duration_literal ::= NK_VARIABLE",
+ /* 102 */ "literal_list ::= literal",
+ /* 103 */ "literal_list ::= literal_list NK_COMMA literal",
+ /* 104 */ "db_name ::= NK_ID",
+ /* 105 */ "table_name ::= NK_ID",
+ /* 106 */ "column_name ::= NK_ID",
+ /* 107 */ "function_name ::= NK_ID",
+ /* 108 */ "table_alias ::= NK_ID",
+ /* 109 */ "column_alias ::= NK_ID",
+ /* 110 */ "user_name ::= NK_ID",
+ /* 111 */ "expression ::= literal",
+ /* 112 */ "expression ::= column_reference",
+ /* 113 */ "expression ::= function_name NK_LP expression_list NK_RP",
+ /* 114 */ "expression ::= function_name NK_LP NK_STAR NK_RP",
+ /* 115 */ "expression ::= subquery",
+ /* 116 */ "expression ::= NK_LP expression NK_RP",
+ /* 117 */ "expression ::= NK_PLUS expression",
+ /* 118 */ "expression ::= NK_MINUS expression",
+ /* 119 */ "expression ::= expression NK_PLUS expression",
+ /* 120 */ "expression ::= expression NK_MINUS expression",
+ /* 121 */ "expression ::= expression NK_STAR expression",
+ /* 122 */ "expression ::= expression NK_SLASH expression",
+ /* 123 */ "expression ::= expression NK_REM expression",
+ /* 124 */ "expression_list ::= expression",
+ /* 125 */ "expression_list ::= expression_list NK_COMMA expression",
+ /* 126 */ "column_reference ::= column_name",
+ /* 127 */ "column_reference ::= table_name NK_DOT column_name",
+ /* 128 */ "predicate ::= expression compare_op expression",
+ /* 129 */ "predicate ::= expression BETWEEN expression AND expression",
+ /* 130 */ "predicate ::= expression NOT BETWEEN expression AND expression",
+ /* 131 */ "predicate ::= expression IS NULL",
+ /* 132 */ "predicate ::= expression IS NOT NULL",
+ /* 133 */ "predicate ::= expression in_op in_predicate_value",
+ /* 134 */ "compare_op ::= NK_LT",
+ /* 135 */ "compare_op ::= NK_GT",
+ /* 136 */ "compare_op ::= NK_LE",
+ /* 137 */ "compare_op ::= NK_GE",
+ /* 138 */ "compare_op ::= NK_NE",
+ /* 139 */ "compare_op ::= NK_EQ",
+ /* 140 */ "compare_op ::= LIKE",
+ /* 141 */ "compare_op ::= NOT LIKE",
+ /* 142 */ "compare_op ::= MATCH",
+ /* 143 */ "compare_op ::= NMATCH",
+ /* 144 */ "in_op ::= IN",
+ /* 145 */ "in_op ::= NOT IN",
+ /* 146 */ "in_predicate_value ::= NK_LP expression_list NK_RP",
+ /* 147 */ "boolean_value_expression ::= boolean_primary",
+ /* 148 */ "boolean_value_expression ::= NOT boolean_primary",
+ /* 149 */ "boolean_value_expression ::= boolean_value_expression OR boolean_value_expression",
+ /* 150 */ "boolean_value_expression ::= boolean_value_expression AND boolean_value_expression",
+ /* 151 */ "boolean_primary ::= predicate",
+ /* 152 */ "boolean_primary ::= NK_LP boolean_value_expression NK_RP",
+ /* 153 */ "common_expression ::= expression",
+ /* 154 */ "common_expression ::= boolean_value_expression",
+ /* 155 */ "from_clause ::= FROM table_reference_list",
+ /* 156 */ "table_reference_list ::= table_reference",
+ /* 157 */ "table_reference_list ::= table_reference_list NK_COMMA table_reference",
+ /* 158 */ "table_reference ::= table_primary",
+ /* 159 */ "table_reference ::= joined_table",
+ /* 160 */ "table_primary ::= table_name alias_opt",
+ /* 161 */ "table_primary ::= db_name NK_DOT table_name alias_opt",
+ /* 162 */ "table_primary ::= subquery alias_opt",
+ /* 163 */ "table_primary ::= parenthesized_joined_table",
+ /* 164 */ "alias_opt ::=",
+ /* 165 */ "alias_opt ::= table_alias",
+ /* 166 */ "alias_opt ::= AS table_alias",
+ /* 167 */ "parenthesized_joined_table ::= NK_LP joined_table NK_RP",
+ /* 168 */ "parenthesized_joined_table ::= NK_LP parenthesized_joined_table NK_RP",
+ /* 169 */ "joined_table ::= table_reference join_type JOIN table_reference ON search_condition",
+ /* 170 */ "join_type ::=",
+ /* 171 */ "join_type ::= INNER",
+ /* 172 */ "query_specification ::= SELECT set_quantifier_opt select_list from_clause where_clause_opt partition_by_clause_opt twindow_clause_opt group_by_clause_opt having_clause_opt",
+ /* 173 */ "set_quantifier_opt ::=",
+ /* 174 */ "set_quantifier_opt ::= DISTINCT",
+ /* 175 */ "set_quantifier_opt ::= ALL",
+ /* 176 */ "select_list ::= NK_STAR",
+ /* 177 */ "select_list ::= select_sublist",
+ /* 178 */ "select_sublist ::= select_item",
+ /* 179 */ "select_sublist ::= select_sublist NK_COMMA select_item",
+ /* 180 */ "select_item ::= common_expression",
+ /* 181 */ "select_item ::= common_expression column_alias",
+ /* 182 */ "select_item ::= common_expression AS column_alias",
+ /* 183 */ "select_item ::= table_name NK_DOT NK_STAR",
+ /* 184 */ "where_clause_opt ::=",
+ /* 185 */ "where_clause_opt ::= WHERE search_condition",
+ /* 186 */ "partition_by_clause_opt ::=",
+ /* 187 */ "partition_by_clause_opt ::= PARTITION BY expression_list",
+ /* 188 */ "twindow_clause_opt ::=",
+ /* 189 */ "twindow_clause_opt ::= SESSION NK_LP column_reference NK_COMMA NK_INTEGER NK_RP",
+ /* 190 */ "twindow_clause_opt ::= STATE_WINDOW NK_LP column_reference NK_RP",
+ /* 191 */ "twindow_clause_opt ::= INTERVAL NK_LP duration_literal NK_RP sliding_opt fill_opt",
+ /* 192 */ "twindow_clause_opt ::= INTERVAL NK_LP duration_literal NK_COMMA duration_literal NK_RP sliding_opt fill_opt",
+ /* 193 */ "sliding_opt ::=",
+ /* 194 */ "sliding_opt ::= SLIDING NK_LP duration_literal NK_RP",
+ /* 195 */ "fill_opt ::=",
+ /* 196 */ "fill_opt ::= FILL NK_LP fill_mode NK_RP",
+ /* 197 */ "fill_opt ::= FILL NK_LP VALUE NK_COMMA literal_list NK_RP",
+ /* 198 */ "fill_mode ::= NONE",
+ /* 199 */ "fill_mode ::= PREV",
+ /* 200 */ "fill_mode ::= NULL",
+ /* 201 */ "fill_mode ::= LINEAR",
+ /* 202 */ "fill_mode ::= NEXT",
+ /* 203 */ "group_by_clause_opt ::=",
+ /* 204 */ "group_by_clause_opt ::= GROUP BY group_by_list",
+ /* 205 */ "group_by_list ::= expression",
+ /* 206 */ "group_by_list ::= group_by_list NK_COMMA expression",
+ /* 207 */ "having_clause_opt ::=",
+ /* 208 */ "having_clause_opt ::= HAVING search_condition",
+ /* 209 */ "query_expression ::= query_expression_body order_by_clause_opt slimit_clause_opt limit_clause_opt",
+ /* 210 */ "query_expression_body ::= query_primary",
+ /* 211 */ "query_expression_body ::= query_expression_body UNION ALL query_expression_body",
+ /* 212 */ "query_primary ::= query_specification",
+ /* 213 */ "order_by_clause_opt ::=",
+ /* 214 */ "order_by_clause_opt ::= ORDER BY sort_specification_list",
+ /* 215 */ "slimit_clause_opt ::=",
+ /* 216 */ "slimit_clause_opt ::= SLIMIT NK_INTEGER",
+ /* 217 */ "slimit_clause_opt ::= SLIMIT NK_INTEGER SOFFSET NK_INTEGER",
+ /* 218 */ "slimit_clause_opt ::= SLIMIT NK_INTEGER NK_COMMA NK_INTEGER",
+ /* 219 */ "limit_clause_opt ::=",
+ /* 220 */ "limit_clause_opt ::= LIMIT NK_INTEGER",
+ /* 221 */ "limit_clause_opt ::= LIMIT NK_INTEGER OFFSET NK_INTEGER",
+ /* 222 */ "limit_clause_opt ::= LIMIT NK_INTEGER NK_COMMA NK_INTEGER",
+ /* 223 */ "subquery ::= NK_LP query_expression NK_RP",
+ /* 224 */ "search_condition ::= common_expression",
+ /* 225 */ "sort_specification_list ::= sort_specification",
+ /* 226 */ "sort_specification_list ::= sort_specification_list NK_COMMA sort_specification",
+ /* 227 */ "sort_specification ::= expression ordering_specification_opt null_ordering_opt",
+ /* 228 */ "ordering_specification_opt ::=",
+ /* 229 */ "ordering_specification_opt ::= ASC",
+ /* 230 */ "ordering_specification_opt ::= DESC",
+ /* 231 */ "null_ordering_opt ::=",
+ /* 232 */ "null_ordering_opt ::= NULLS FIRST",
+ /* 233 */ "null_ordering_opt ::= NULLS LAST",
 };
 #endif /* NDEBUG */
 
@@ -1103,122 +1166,124 @@ static void yy_destructor(
     */
 /********* Begin destructor definitions ***************************************/
       /* Default NON-TERMINAL Destructor */
-    case 123: /* cmd */
-    case 133: /* create_subtable_clause */
-    case 137: /* column_def */
-    case 140: /* col_name */
-    case 141: /* query_expression */
-    case 142: /* literal */
-    case 143: /* duration_literal */
-    case 148: /* expression */
-    case 149: /* column_reference */
-    case 151: /* subquery */
-    case 152: /* predicate */
-    case 155: /* in_predicate_value */
-    case 156: /* boolean_value_expression */
-    case 157: /* boolean_primary */
-    case 158: /* common_expression */
-    case 159: /* from_clause */
-    case 160: /* table_reference_list */
-    case 161: /* table_reference */
-    case 162: /* table_primary */
-    case 163: /* joined_table */
-    case 165: /* parenthesized_joined_table */
-    case 167: /* search_condition */
-    case 168: /* query_specification */
-    case 171: /* where_clause_opt */
-    case 173: /* twindow_clause_opt */
-    case 175: /* having_clause_opt */
-    case 177: /* select_item */
-    case 178: /* sliding_opt */
-    case 179: /* fill_opt */
-    case 182: /* query_expression_body */
-    case 184: /* slimit_clause_opt */
-    case 185: /* limit_clause_opt */
-    case 186: /* query_primary */
-    case 188: /* sort_specification */
+    case 134: /* cmd */
+    case 142: /* full_table_name */
+    case 149: /* create_subtable_clause */
+    case 152: /* drop_table_clause */
+    case 155: /* column_def */
+    case 158: /* col_name */
+    case 159: /* query_expression */
+    case 160: /* literal */
+    case 161: /* duration_literal */
+    case 165: /* expression */
+    case 166: /* column_reference */
+    case 168: /* subquery */
+    case 169: /* predicate */
+    case 172: /* in_predicate_value */
+    case 173: /* boolean_value_expression */
+    case 174: /* boolean_primary */
+    case 175: /* common_expression */
+    case 176: /* from_clause */
+    case 177: /* table_reference_list */
+    case 178: /* table_reference */
+    case 179: /* table_primary */
+    case 180: /* joined_table */
+    case 182: /* parenthesized_joined_table */
+    case 184: /* search_condition */
+    case 185: /* query_specification */
+    case 188: /* where_clause_opt */
+    case 190: /* twindow_clause_opt */
+    case 192: /* having_clause_opt */
+    case 194: /* select_item */
+    case 195: /* sliding_opt */
+    case 196: /* fill_opt */
+    case 199: /* query_expression_body */
+    case 201: /* slimit_clause_opt */
+    case 202: /* limit_clause_opt */
+    case 203: /* query_primary */
+    case 205: /* sort_specification */
 {
- nodesDestroyNode((yypminor->yy210)); 
+ nodesDestroyNode((yypminor->yy392)); 
 }
       break;
-    case 124: /* exists_opt */
-    case 169: /* set_quantifier_opt */
+    case 135: /* user_name */
+    case 136: /* dnode_endpoint */
+    case 137: /* dnode_host_name */
+    case 139: /* db_name */
+    case 154: /* table_name */
+    case 156: /* column_name */
+    case 162: /* function_name */
+    case 163: /* table_alias */
+    case 164: /* column_alias */
+    case 181: /* alias_opt */
 {
  
 }
       break;
-    case 125: /* db_name */
-    case 138: /* column_name */
-    case 144: /* table_name */
-    case 145: /* function_name */
-    case 146: /* table_alias */
-    case 147: /* column_alias */
-    case 164: /* alias_opt */
+    case 138: /* not_exists_opt */
+    case 141: /* exists_opt */
+    case 186: /* set_quantifier_opt */
 {
  
 }
       break;
-    case 126: /* db_options */
+    case 140: /* db_options */
 {
- tfree((yypminor->yy211)); 
+ tfree((yypminor->yy103)); 
 }
       break;
-    case 127: /* full_table_name */
+    case 143: /* column_def_list */
+    case 144: /* tags_def_opt */
+    case 146: /* multi_create_clause */
+    case 147: /* tags_def */
+    case 148: /* multi_drop_clause */
+    case 150: /* specific_tags_opt */
+    case 151: /* literal_list */
+    case 153: /* col_name_list */
+    case 167: /* expression_list */
+    case 187: /* select_list */
+    case 189: /* partition_by_clause_opt */
+    case 191: /* group_by_clause_opt */
+    case 193: /* select_sublist */
+    case 198: /* group_by_list */
+    case 200: /* order_by_clause_opt */
+    case 204: /* sort_specification_list */
 {
- 
+ nodesDestroyList((yypminor->yy184)); 
 }
       break;
-    case 128: /* column_def_list */
-    case 129: /* tags_def_opt */
-    case 131: /* multi_create_clause */
-    case 132: /* tags_def */
-    case 134: /* specific_tags_opt */
-    case 135: /* literal_list */
-    case 136: /* col_name_list */
-    case 150: /* expression_list */
-    case 170: /* select_list */
-    case 172: /* partition_by_clause_opt */
-    case 174: /* group_by_clause_opt */
-    case 176: /* select_sublist */
-    case 181: /* group_by_list */
-    case 183: /* order_by_clause_opt */
-    case 187: /* sort_specification_list */
+    case 145: /* table_options */
 {
- nodesDestroyList((yypminor->yy182)); 
+ tfree((yypminor->yy334)); 
 }
       break;
-    case 130: /* table_options */
-{
- tfree((yypminor->yy286)); 
-}
-      break;
-    case 139: /* type_name */
+    case 157: /* type_name */
 {
  
 }
       break;
-    case 153: /* compare_op */
-    case 154: /* in_op */
+    case 170: /* compare_op */
+    case 171: /* in_op */
 {
  
 }
       break;
-    case 166: /* join_type */
+    case 183: /* join_type */
 {
  
 }
       break;
-    case 180: /* fill_mode */
+    case 197: /* fill_mode */
 {
  
 }
       break;
-    case 189: /* ordering_specification_opt */
+    case 206: /* ordering_specification_opt */
 {
  
 }
       break;
-    case 190: /* null_ordering_opt */
+    case 207: /* null_ordering_opt */
 {
  
 }
@@ -1517,217 +1582,240 @@ static const struct {
   YYCODETYPE lhs;       /* Symbol on the left-hand side of the rule */
   signed char nrhs;     /* Negative of the number of RHS symbols in the rule */
 } yyRuleInfo[] = {
-  {  123,   -5 }, /* (0) cmd ::= CREATE DATABASE exists_opt db_name db_options */
-  {  124,   -3 }, /* (1) exists_opt ::= IF NOT EXISTS */
-  {  124,    0 }, /* (2) exists_opt ::= */
-  {  126,    0 }, /* (3) db_options ::= */
-  {  126,   -3 }, /* (4) db_options ::= db_options BLOCKS NK_INTEGER */
-  {  126,   -3 }, /* (5) db_options ::= db_options CACHE NK_INTEGER */
-  {  126,   -3 }, /* (6) db_options ::= db_options CACHELAST NK_INTEGER */
-  {  126,   -3 }, /* (7) db_options ::= db_options COMP NK_INTEGER */
-  {  126,   -3 }, /* (8) db_options ::= db_options DAYS NK_INTEGER */
-  {  126,   -3 }, /* (9) db_options ::= db_options FSYNC NK_INTEGER */
-  {  126,   -3 }, /* (10) db_options ::= db_options MAXROWS NK_INTEGER */
-  {  126,   -3 }, /* (11) db_options ::= db_options MINROWS NK_INTEGER */
-  {  126,   -3 }, /* (12) db_options ::= db_options KEEP NK_INTEGER */
-  {  126,   -3 }, /* (13) db_options ::= db_options PRECISION NK_STRING */
-  {  126,   -3 }, /* (14) db_options ::= db_options QUORUM NK_INTEGER */
-  {  126,   -3 }, /* (15) db_options ::= db_options REPLICA NK_INTEGER */
-  {  126,   -3 }, /* (16) db_options ::= db_options TTL NK_INTEGER */
-  {  126,   -3 }, /* (17) db_options ::= db_options WAL NK_INTEGER */
-  {  126,   -3 }, /* (18) db_options ::= db_options VGROUPS NK_INTEGER */
-  {  126,   -3 }, /* (19) db_options ::= db_options SINGLE_STABLE NK_INTEGER */
-  {  126,   -3 }, /* (20) db_options ::= db_options STREAM_MODE NK_INTEGER */
-  {  123,   -2 }, /* (21) cmd ::= USE db_name */
-  {  123,   -9 }, /* (22) cmd ::= CREATE TABLE exists_opt full_table_name NK_LP column_def_list NK_RP tags_def_opt table_options */
-  {  123,   -3 }, /* (23) cmd ::= CREATE TABLE multi_create_clause */
-  {  123,   -9 }, /* (24) cmd ::= CREATE STABLE exists_opt full_table_name NK_LP column_def_list NK_RP tags_def table_options */
-  {  131,   -1 }, /* (25) multi_create_clause ::= create_subtable_clause */
-  {  131,   -2 }, /* (26) multi_create_clause ::= multi_create_clause create_subtable_clause */
-  {  133,   -9 }, /* (27) create_subtable_clause ::= exists_opt full_table_name USING full_table_name specific_tags_opt TAGS NK_LP literal_list NK_RP */
-  {  134,    0 }, /* (28) specific_tags_opt ::= */
-  {  134,   -3 }, /* (29) specific_tags_opt ::= NK_LP col_name_list NK_RP */
-  {  127,   -1 }, /* (30) full_table_name ::= NK_ID */
-  {  127,   -3 }, /* (31) full_table_name ::= NK_ID NK_DOT NK_ID */
-  {  128,   -1 }, /* (32) column_def_list ::= column_def */
-  {  128,   -3 }, /* (33) column_def_list ::= column_def_list NK_COMMA column_def */
-  {  137,   -2 }, /* (34) column_def ::= column_name type_name */
-  {  137,   -4 }, /* (35) column_def ::= column_name type_name COMMENT NK_STRING */
-  {  139,   -1 }, /* (36) type_name ::= BOOL */
-  {  139,   -1 }, /* (37) type_name ::= TINYINT */
-  {  139,   -1 }, /* (38) type_name ::= SMALLINT */
-  {  139,   -1 }, /* (39) type_name ::= INT */
-  {  139,   -1 }, /* (40) type_name ::= INTEGER */
-  {  139,   -1 }, /* (41) type_name ::= BIGINT */
-  {  139,   -1 }, /* (42) type_name ::= FLOAT */
-  {  139,   -1 }, /* (43) type_name ::= DOUBLE */
-  {  139,   -4 }, /* (44) type_name ::= BINARY NK_LP NK_INTEGER NK_RP */
-  {  139,   -1 }, /* (45) type_name ::= TIMESTAMP */
-  {  139,   -4 }, /* (46) type_name ::= NCHAR NK_LP NK_INTEGER NK_RP */
-  {  139,   -2 }, /* (47) type_name ::= TINYINT UNSIGNED */
-  {  139,   -2 }, /* (48) type_name ::= SMALLINT UNSIGNED */
-  {  139,   -2 }, /* (49) type_name ::= INT UNSIGNED */
-  {  139,   -2 }, /* (50) type_name ::= BIGINT UNSIGNED */
-  {  139,   -1 }, /* (51) type_name ::= JSON */
-  {  139,   -4 }, /* (52) type_name ::= VARCHAR NK_LP NK_INTEGER NK_RP */
-  {  139,   -1 }, /* (53) type_name ::= MEDIUMBLOB */
-  {  139,   -1 }, /* (54) type_name ::= BLOB */
-  {  139,   -4 }, /* (55) type_name ::= VARBINARY NK_LP NK_INTEGER NK_RP */
-  {  139,   -1 }, /* (56) type_name ::= DECIMAL */
-  {  139,   -4 }, /* (57) type_name ::= DECIMAL NK_LP NK_INTEGER NK_RP */
-  {  139,   -6 }, /* (58) type_name ::= DECIMAL NK_LP NK_INTEGER NK_COMMA NK_INTEGER NK_RP */
-  {  129,    0 }, /* (59) tags_def_opt ::= */
-  {  129,   -1 }, /* (60) tags_def_opt ::= tags_def */
-  {  132,   -4 }, /* (61) tags_def ::= TAGS NK_LP column_def_list NK_RP */
-  {  130,    0 }, /* (62) table_options ::= */
-  {  130,   -3 }, /* (63) table_options ::= table_options COMMENT NK_STRING */
-  {  130,   -3 }, /* (64) table_options ::= table_options KEEP NK_INTEGER */
-  {  130,   -3 }, /* (65) table_options ::= table_options TTL NK_INTEGER */
-  {  130,   -5 }, /* (66) table_options ::= table_options SMA NK_LP col_name_list NK_RP */
-  {  136,   -1 }, /* (67) col_name_list ::= col_name */
-  {  136,   -3 }, /* (68) col_name_list ::= col_name_list NK_COMMA col_name */
-  {  140,   -1 }, /* (69) col_name ::= column_name */
-  {  123,   -2 }, /* (70) cmd ::= SHOW DATABASES */
-  {  123,   -2 }, /* (71) cmd ::= SHOW TABLES */
-  {  123,   -1 }, /* (72) cmd ::= query_expression */
-  {  142,   -1 }, /* (73) literal ::= NK_INTEGER */
-  {  142,   -1 }, /* (74) literal ::= NK_FLOAT */
-  {  142,   -1 }, /* (75) literal ::= NK_STRING */
-  {  142,   -1 }, /* (76) literal ::= NK_BOOL */
-  {  142,   -2 }, /* (77) literal ::= TIMESTAMP NK_STRING */
-  {  142,   -1 }, /* (78) literal ::= duration_literal */
-  {  143,   -1 }, /* (79) duration_literal ::= NK_VARIABLE */
-  {  135,   -1 }, /* (80) literal_list ::= literal */
-  {  135,   -3 }, /* (81) literal_list ::= literal_list NK_COMMA literal */
-  {  125,   -1 }, /* (82) db_name ::= NK_ID */
-  {  144,   -1 }, /* (83) table_name ::= NK_ID */
-  {  138,   -1 }, /* (84) column_name ::= NK_ID */
-  {  145,   -1 }, /* (85) function_name ::= NK_ID */
-  {  146,   -1 }, /* (86) table_alias ::= NK_ID */
-  {  147,   -1 }, /* (87) column_alias ::= NK_ID */
-  {  148,   -1 }, /* (88) expression ::= literal */
-  {  148,   -1 }, /* (89) expression ::= column_reference */
-  {  148,   -4 }, /* (90) expression ::= function_name NK_LP expression_list NK_RP */
-  {  148,   -4 }, /* (91) expression ::= function_name NK_LP NK_STAR NK_RP */
-  {  148,   -1 }, /* (92) expression ::= subquery */
-  {  148,   -3 }, /* (93) expression ::= NK_LP expression NK_RP */
-  {  148,   -2 }, /* (94) expression ::= NK_PLUS expression */
-  {  148,   -2 }, /* (95) expression ::= NK_MINUS expression */
-  {  148,   -3 }, /* (96) expression ::= expression NK_PLUS expression */
-  {  148,   -3 }, /* (97) expression ::= expression NK_MINUS expression */
-  {  148,   -3 }, /* (98) expression ::= expression NK_STAR expression */
-  {  148,   -3 }, /* (99) expression ::= expression NK_SLASH expression */
-  {  148,   -3 }, /* (100) expression ::= expression NK_REM expression */
-  {  150,   -1 }, /* (101) expression_list ::= expression */
-  {  150,   -3 }, /* (102) expression_list ::= expression_list NK_COMMA expression */
-  {  149,   -1 }, /* (103) column_reference ::= column_name */
-  {  149,   -3 }, /* (104) column_reference ::= table_name NK_DOT column_name */
-  {  152,   -3 }, /* (105) predicate ::= expression compare_op expression */
-  {  152,   -5 }, /* (106) predicate ::= expression BETWEEN expression AND expression */
-  {  152,   -6 }, /* (107) predicate ::= expression NOT BETWEEN expression AND expression */
-  {  152,   -3 }, /* (108) predicate ::= expression IS NULL */
-  {  152,   -4 }, /* (109) predicate ::= expression IS NOT NULL */
-  {  152,   -3 }, /* (110) predicate ::= expression in_op in_predicate_value */
-  {  153,   -1 }, /* (111) compare_op ::= NK_LT */
-  {  153,   -1 }, /* (112) compare_op ::= NK_GT */
-  {  153,   -1 }, /* (113) compare_op ::= NK_LE */
-  {  153,   -1 }, /* (114) compare_op ::= NK_GE */
-  {  153,   -1 }, /* (115) compare_op ::= NK_NE */
-  {  153,   -1 }, /* (116) compare_op ::= NK_EQ */
-  {  153,   -1 }, /* (117) compare_op ::= LIKE */
-  {  153,   -2 }, /* (118) compare_op ::= NOT LIKE */
-  {  153,   -1 }, /* (119) compare_op ::= MATCH */
-  {  153,   -1 }, /* (120) compare_op ::= NMATCH */
-  {  154,   -1 }, /* (121) in_op ::= IN */
-  {  154,   -2 }, /* (122) in_op ::= NOT IN */
-  {  155,   -3 }, /* (123) in_predicate_value ::= NK_LP expression_list NK_RP */
-  {  156,   -1 }, /* (124) boolean_value_expression ::= boolean_primary */
-  {  156,   -2 }, /* (125) boolean_value_expression ::= NOT boolean_primary */
-  {  156,   -3 }, /* (126) boolean_value_expression ::= boolean_value_expression OR boolean_value_expression */
-  {  156,   -3 }, /* (127) boolean_value_expression ::= boolean_value_expression AND boolean_value_expression */
-  {  157,   -1 }, /* (128) boolean_primary ::= predicate */
-  {  157,   -3 }, /* (129) boolean_primary ::= NK_LP boolean_value_expression NK_RP */
-  {  158,   -1 }, /* (130) common_expression ::= expression */
-  {  158,   -1 }, /* (131) common_expression ::= boolean_value_expression */
-  {  159,   -2 }, /* (132) from_clause ::= FROM table_reference_list */
-  {  160,   -1 }, /* (133) table_reference_list ::= table_reference */
-  {  160,   -3 }, /* (134) table_reference_list ::= table_reference_list NK_COMMA table_reference */
-  {  161,   -1 }, /* (135) table_reference ::= table_primary */
-  {  161,   -1 }, /* (136) table_reference ::= joined_table */
-  {  162,   -2 }, /* (137) table_primary ::= table_name alias_opt */
-  {  162,   -4 }, /* (138) table_primary ::= db_name NK_DOT table_name alias_opt */
-  {  162,   -2 }, /* (139) table_primary ::= subquery alias_opt */
-  {  162,   -1 }, /* (140) table_primary ::= parenthesized_joined_table */
-  {  164,    0 }, /* (141) alias_opt ::= */
-  {  164,   -1 }, /* (142) alias_opt ::= table_alias */
-  {  164,   -2 }, /* (143) alias_opt ::= AS table_alias */
-  {  165,   -3 }, /* (144) parenthesized_joined_table ::= NK_LP joined_table NK_RP */
-  {  165,   -3 }, /* (145) parenthesized_joined_table ::= NK_LP parenthesized_joined_table NK_RP */
-  {  163,   -6 }, /* (146) joined_table ::= table_reference join_type JOIN table_reference ON search_condition */
-  {  166,    0 }, /* (147) join_type ::= */
-  {  166,   -1 }, /* (148) join_type ::= INNER */
-  {  168,   -9 }, /* (149) query_specification ::= SELECT set_quantifier_opt select_list from_clause where_clause_opt partition_by_clause_opt twindow_clause_opt group_by_clause_opt having_clause_opt */
-  {  169,    0 }, /* (150) set_quantifier_opt ::= */
-  {  169,   -1 }, /* (151) set_quantifier_opt ::= DISTINCT */
-  {  169,   -1 }, /* (152) set_quantifier_opt ::= ALL */
-  {  170,   -1 }, /* (153) select_list ::= NK_STAR */
-  {  170,   -1 }, /* (154) select_list ::= select_sublist */
-  {  176,   -1 }, /* (155) select_sublist ::= select_item */
-  {  176,   -3 }, /* (156) select_sublist ::= select_sublist NK_COMMA select_item */
-  {  177,   -1 }, /* (157) select_item ::= common_expression */
-  {  177,   -2 }, /* (158) select_item ::= common_expression column_alias */
-  {  177,   -3 }, /* (159) select_item ::= common_expression AS column_alias */
-  {  177,   -3 }, /* (160) select_item ::= table_name NK_DOT NK_STAR */
-  {  171,    0 }, /* (161) where_clause_opt ::= */
-  {  171,   -2 }, /* (162) where_clause_opt ::= WHERE search_condition */
-  {  172,    0 }, /* (163) partition_by_clause_opt ::= */
-  {  172,   -3 }, /* (164) partition_by_clause_opt ::= PARTITION BY expression_list */
-  {  173,    0 }, /* (165) twindow_clause_opt ::= */
-  {  173,   -6 }, /* (166) twindow_clause_opt ::= SESSION NK_LP column_reference NK_COMMA NK_INTEGER NK_RP */
-  {  173,   -4 }, /* (167) twindow_clause_opt ::= STATE_WINDOW NK_LP column_reference NK_RP */
-  {  173,   -6 }, /* (168) twindow_clause_opt ::= INTERVAL NK_LP duration_literal NK_RP sliding_opt fill_opt */
-  {  173,   -8 }, /* (169) twindow_clause_opt ::= INTERVAL NK_LP duration_literal NK_COMMA duration_literal NK_RP sliding_opt fill_opt */
-  {  178,    0 }, /* (170) sliding_opt ::= */
-  {  178,   -4 }, /* (171) sliding_opt ::= SLIDING NK_LP duration_literal NK_RP */
-  {  179,    0 }, /* (172) fill_opt ::= */
-  {  179,   -4 }, /* (173) fill_opt ::= FILL NK_LP fill_mode NK_RP */
-  {  179,   -6 }, /* (174) fill_opt ::= FILL NK_LP VALUE NK_COMMA literal_list NK_RP */
-  {  180,   -1 }, /* (175) fill_mode ::= NONE */
-  {  180,   -1 }, /* (176) fill_mode ::= PREV */
-  {  180,   -1 }, /* (177) fill_mode ::= NULL */
-  {  180,   -1 }, /* (178) fill_mode ::= LINEAR */
-  {  180,   -1 }, /* (179) fill_mode ::= NEXT */
-  {  174,    0 }, /* (180) group_by_clause_opt ::= */
-  {  174,   -3 }, /* (181) group_by_clause_opt ::= GROUP BY group_by_list */
-  {  181,   -1 }, /* (182) group_by_list ::= expression */
-  {  181,   -3 }, /* (183) group_by_list ::= group_by_list NK_COMMA expression */
-  {  175,    0 }, /* (184) having_clause_opt ::= */
-  {  175,   -2 }, /* (185) having_clause_opt ::= HAVING search_condition */
-  {  141,   -4 }, /* (186) query_expression ::= query_expression_body order_by_clause_opt slimit_clause_opt limit_clause_opt */
-  {  182,   -1 }, /* (187) query_expression_body ::= query_primary */
-  {  182,   -4 }, /* (188) query_expression_body ::= query_expression_body UNION ALL query_expression_body */
-  {  186,   -1 }, /* (189) query_primary ::= query_specification */
-  {  183,    0 }, /* (190) order_by_clause_opt ::= */
-  {  183,   -3 }, /* (191) order_by_clause_opt ::= ORDER BY sort_specification_list */
-  {  184,    0 }, /* (192) slimit_clause_opt ::= */
-  {  184,   -2 }, /* (193) slimit_clause_opt ::= SLIMIT NK_INTEGER */
-  {  184,   -4 }, /* (194) slimit_clause_opt ::= SLIMIT NK_INTEGER SOFFSET NK_INTEGER */
-  {  184,   -4 }, /* (195) slimit_clause_opt ::= SLIMIT NK_INTEGER NK_COMMA NK_INTEGER */
-  {  185,    0 }, /* (196) limit_clause_opt ::= */
-  {  185,   -2 }, /* (197) limit_clause_opt ::= LIMIT NK_INTEGER */
-  {  185,   -4 }, /* (198) limit_clause_opt ::= LIMIT NK_INTEGER OFFSET NK_INTEGER */
-  {  185,   -4 }, /* (199) limit_clause_opt ::= LIMIT NK_INTEGER NK_COMMA NK_INTEGER */
-  {  151,   -3 }, /* (200) subquery ::= NK_LP query_expression NK_RP */
-  {  167,   -1 }, /* (201) search_condition ::= common_expression */
-  {  187,   -1 }, /* (202) sort_specification_list ::= sort_specification */
-  {  187,   -3 }, /* (203) sort_specification_list ::= sort_specification_list NK_COMMA sort_specification */
-  {  188,   -3 }, /* (204) sort_specification ::= expression ordering_specification_opt null_ordering_opt */
-  {  189,    0 }, /* (205) ordering_specification_opt ::= */
-  {  189,   -1 }, /* (206) ordering_specification_opt ::= ASC */
-  {  189,   -1 }, /* (207) ordering_specification_opt ::= DESC */
-  {  190,    0 }, /* (208) null_ordering_opt ::= */
-  {  190,   -2 }, /* (209) null_ordering_opt ::= NULLS FIRST */
-  {  190,   -2 }, /* (210) null_ordering_opt ::= NULLS LAST */
+  {  134,   -5 }, /* (0) cmd ::= CREATE USER user_name PASS NK_STRING */
+  {  134,   -5 }, /* (1) cmd ::= ALTER USER user_name PASS NK_STRING */
+  {  134,   -5 }, /* (2) cmd ::= ALTER USER user_name PRIVILEGE NK_STRING */
+  {  134,   -3 }, /* (3) cmd ::= DROP USER user_name */
+  {  134,   -2 }, /* (4) cmd ::= SHOW USERS */
+  {  134,   -3 }, /* (5) cmd ::= CREATE DNODE dnode_endpoint */
+  {  134,   -5 }, /* (6) cmd ::= CREATE DNODE dnode_host_name PORT NK_INTEGER */
+  {  134,   -3 }, /* (7) cmd ::= DROP DNODE NK_INTEGER */
+  {  134,   -3 }, /* (8) cmd ::= DROP DNODE dnode_endpoint */
+  {  134,   -2 }, /* (9) cmd ::= SHOW DNODES */
+  {  136,   -1 }, /* (10) dnode_endpoint ::= NK_STRING */
+  {  137,   -1 }, /* (11) dnode_host_name ::= NK_ID */
+  {  137,   -1 }, /* (12) dnode_host_name ::= NK_IPTOKEN */
+  {  134,   -5 }, /* (13) cmd ::= CREATE DATABASE not_exists_opt db_name db_options */
+  {  134,   -4 }, /* (14) cmd ::= DROP DATABASE exists_opt db_name */
+  {  134,   -2 }, /* (15) cmd ::= SHOW DATABASES */
+  {  134,   -2 }, /* (16) cmd ::= USE db_name */
+  {  138,   -3 }, /* (17) not_exists_opt ::= IF NOT EXISTS */
+  {  138,    0 }, /* (18) not_exists_opt ::= */
+  {  141,   -2 }, /* (19) exists_opt ::= IF EXISTS */
+  {  141,    0 }, /* (20) exists_opt ::= */
+  {  140,    0 }, /* (21) db_options ::= */
+  {  140,   -3 }, /* (22) db_options ::= db_options BLOCKS NK_INTEGER */
+  {  140,   -3 }, /* (23) db_options ::= db_options CACHE NK_INTEGER */
+  {  140,   -3 }, /* (24) db_options ::= db_options CACHELAST NK_INTEGER */
+  {  140,   -3 }, /* (25) db_options ::= db_options COMP NK_INTEGER */
+  {  140,   -3 }, /* (26) db_options ::= db_options DAYS NK_INTEGER */
+  {  140,   -3 }, /* (27) db_options ::= db_options FSYNC NK_INTEGER */
+  {  140,   -3 }, /* (28) db_options ::= db_options MAXROWS NK_INTEGER */
+  {  140,   -3 }, /* (29) db_options ::= db_options MINROWS NK_INTEGER */
+  {  140,   -3 }, /* (30) db_options ::= db_options KEEP NK_INTEGER */
+  {  140,   -3 }, /* (31) db_options ::= db_options PRECISION NK_STRING */
+  {  140,   -3 }, /* (32) db_options ::= db_options QUORUM NK_INTEGER */
+  {  140,   -3 }, /* (33) db_options ::= db_options REPLICA NK_INTEGER */
+  {  140,   -3 }, /* (34) db_options ::= db_options TTL NK_INTEGER */
+  {  140,   -3 }, /* (35) db_options ::= db_options WAL NK_INTEGER */
+  {  140,   -3 }, /* (36) db_options ::= db_options VGROUPS NK_INTEGER */
+  {  140,   -3 }, /* (37) db_options ::= db_options SINGLE_STABLE NK_INTEGER */
+  {  140,   -3 }, /* (38) db_options ::= db_options STREAM_MODE NK_INTEGER */
+  {  134,   -9 }, /* (39) cmd ::= CREATE TABLE not_exists_opt full_table_name NK_LP column_def_list NK_RP tags_def_opt table_options */
+  {  134,   -3 }, /* (40) cmd ::= CREATE TABLE multi_create_clause */
+  {  134,   -9 }, /* (41) cmd ::= CREATE STABLE not_exists_opt full_table_name NK_LP column_def_list NK_RP tags_def table_options */
+  {  134,   -3 }, /* (42) cmd ::= DROP TABLE multi_drop_clause */
+  {  134,   -2 }, /* (43) cmd ::= SHOW TABLES */
+  {  134,   -2 }, /* (44) cmd ::= SHOW STABLES */
+  {  146,   -1 }, /* (45) multi_create_clause ::= create_subtable_clause */
+  {  146,   -2 }, /* (46) multi_create_clause ::= multi_create_clause create_subtable_clause */
+  {  149,   -9 }, /* (47) create_subtable_clause ::= not_exists_opt full_table_name USING full_table_name specific_tags_opt TAGS NK_LP literal_list NK_RP */
+  {  148,   -1 }, /* (48) multi_drop_clause ::= drop_table_clause */
+  {  148,   -2 }, /* (49) multi_drop_clause ::= multi_drop_clause drop_table_clause */
+  {  152,   -2 }, /* (50) drop_table_clause ::= exists_opt full_table_name */
+  {  150,    0 }, /* (51) specific_tags_opt ::= */
+  {  150,   -3 }, /* (52) specific_tags_opt ::= NK_LP col_name_list NK_RP */
+  {  142,   -1 }, /* (53) full_table_name ::= table_name */
+  {  142,   -3 }, /* (54) full_table_name ::= db_name NK_DOT table_name */
+  {  143,   -1 }, /* (55) column_def_list ::= column_def */
+  {  143,   -3 }, /* (56) column_def_list ::= column_def_list NK_COMMA column_def */
+  {  155,   -2 }, /* (57) column_def ::= column_name type_name */
+  {  155,   -4 }, /* (58) column_def ::= column_name type_name COMMENT NK_STRING */
+  {  157,   -1 }, /* (59) type_name ::= BOOL */
+  {  157,   -1 }, /* (60) type_name ::= TINYINT */
+  {  157,   -1 }, /* (61) type_name ::= SMALLINT */
+  {  157,   -1 }, /* (62) type_name ::= INT */
+  {  157,   -1 }, /* (63) type_name ::= INTEGER */
+  {  157,   -1 }, /* (64) type_name ::= BIGINT */
+  {  157,   -1 }, /* (65) type_name ::= FLOAT */
+  {  157,   -1 }, /* (66) type_name ::= DOUBLE */
+  {  157,   -4 }, /* (67) type_name ::= BINARY NK_LP NK_INTEGER NK_RP */
+  {  157,   -1 }, /* (68) type_name ::= TIMESTAMP */
+  {  157,   -4 }, /* (69) type_name ::= NCHAR NK_LP NK_INTEGER NK_RP */
+  {  157,   -2 }, /* (70) type_name ::= TINYINT UNSIGNED */
+  {  157,   -2 }, /* (71) type_name ::= SMALLINT UNSIGNED */
+  {  157,   -2 }, /* (72) type_name ::= INT UNSIGNED */
+  {  157,   -2 }, /* (73) type_name ::= BIGINT UNSIGNED */
+  {  157,   -1 }, /* (74) type_name ::= JSON */
+  {  157,   -4 }, /* (75) type_name ::= VARCHAR NK_LP NK_INTEGER NK_RP */
+  {  157,   -1 }, /* (76) type_name ::= MEDIUMBLOB */
+  {  157,   -1 }, /* (77) type_name ::= BLOB */
+  {  157,   -4 }, /* (78) type_name ::= VARBINARY NK_LP NK_INTEGER NK_RP */
+  {  157,   -1 }, /* (79) type_name ::= DECIMAL */
+  {  157,   -4 }, /* (80) type_name ::= DECIMAL NK_LP NK_INTEGER NK_RP */
+  {  157,   -6 }, /* (81) type_name ::= DECIMAL NK_LP NK_INTEGER NK_COMMA NK_INTEGER NK_RP */
+  {  144,    0 }, /* (82) tags_def_opt ::= */
+  {  144,   -1 }, /* (83) tags_def_opt ::= tags_def */
+  {  147,   -4 }, /* (84) tags_def ::= TAGS NK_LP column_def_list NK_RP */
+  {  145,    0 }, /* (85) table_options ::= */
+  {  145,   -3 }, /* (86) table_options ::= table_options COMMENT NK_STRING */
+  {  145,   -3 }, /* (87) table_options ::= table_options KEEP NK_INTEGER */
+  {  145,   -3 }, /* (88) table_options ::= table_options TTL NK_INTEGER */
+  {  145,   -5 }, /* (89) table_options ::= table_options SMA NK_LP col_name_list NK_RP */
+  {  153,   -1 }, /* (90) col_name_list ::= col_name */
+  {  153,   -3 }, /* (91) col_name_list ::= col_name_list NK_COMMA col_name */
+  {  158,   -1 }, /* (92) col_name ::= column_name */
+  {  134,   -2 }, /* (93) cmd ::= SHOW VGROUPS */
+  {  134,   -1 }, /* (94) cmd ::= query_expression */
+  {  160,   -1 }, /* (95) literal ::= NK_INTEGER */
+  {  160,   -1 }, /* (96) literal ::= NK_FLOAT */
+  {  160,   -1 }, /* (97) literal ::= NK_STRING */
+  {  160,   -1 }, /* (98) literal ::= NK_BOOL */
+  {  160,   -2 }, /* (99) literal ::= TIMESTAMP NK_STRING */
+  {  160,   -1 }, /* (100) literal ::= duration_literal */
+  {  161,   -1 }, /* (101) duration_literal ::= NK_VARIABLE */
+  {  151,   -1 }, /* (102) literal_list ::= literal */
+  {  151,   -3 }, /* (103) literal_list ::= literal_list NK_COMMA literal */
+  {  139,   -1 }, /* (104) db_name ::= NK_ID */
+  {  154,   -1 }, /* (105) table_name ::= NK_ID */
+  {  156,   -1 }, /* (106) column_name ::= NK_ID */
+  {  162,   -1 }, /* (107) function_name ::= NK_ID */
+  {  163,   -1 }, /* (108) table_alias ::= NK_ID */
+  {  164,   -1 }, /* (109) column_alias ::= NK_ID */
+  {  135,   -1 }, /* (110) user_name ::= NK_ID */
+  {  165,   -1 }, /* (111) expression ::= literal */
+  {  165,   -1 }, /* (112) expression ::= column_reference */
+  {  165,   -4 }, /* (113) expression ::= function_name NK_LP expression_list NK_RP */
+  {  165,   -4 }, /* (114) expression ::= function_name NK_LP NK_STAR NK_RP */
+  {  165,   -1 }, /* (115) expression ::= subquery */
+  {  165,   -3 }, /* (116) expression ::= NK_LP expression NK_RP */
+  {  165,   -2 }, /* (117) expression ::= NK_PLUS expression */
+  {  165,   -2 }, /* (118) expression ::= NK_MINUS expression */
+  {  165,   -3 }, /* (119) expression ::= expression NK_PLUS expression */
+  {  165,   -3 }, /* (120) expression ::= expression NK_MINUS expression */
+  {  165,   -3 }, /* (121) expression ::= expression NK_STAR expression */
+  {  165,   -3 }, /* (122) expression ::= expression NK_SLASH expression */
+  {  165,   -3 }, /* (123) expression ::= expression NK_REM expression */
+  {  167,   -1 }, /* (124) expression_list ::= expression */
+  {  167,   -3 }, /* (125) expression_list ::= expression_list NK_COMMA expression */
+  {  166,   -1 }, /* (126) column_reference ::= column_name */
+  {  166,   -3 }, /* (127) column_reference ::= table_name NK_DOT column_name */
+  {  169,   -3 }, /* (128) predicate ::= expression compare_op expression */
+  {  169,   -5 }, /* (129) predicate ::= expression BETWEEN expression AND expression */
+  {  169,   -6 }, /* (130) predicate ::= expression NOT BETWEEN expression AND expression */
+  {  169,   -3 }, /* (131) predicate ::= expression IS NULL */
+  {  169,   -4 }, /* (132) predicate ::= expression IS NOT NULL */
+  {  169,   -3 }, /* (133) predicate ::= expression in_op in_predicate_value */
+  {  170,   -1 }, /* (134) compare_op ::= NK_LT */
+  {  170,   -1 }, /* (135) compare_op ::= NK_GT */
+  {  170,   -1 }, /* (136) compare_op ::= NK_LE */
+  {  170,   -1 }, /* (137) compare_op ::= NK_GE */
+  {  170,   -1 }, /* (138) compare_op ::= NK_NE */
+  {  170,   -1 }, /* (139) compare_op ::= NK_EQ */
+  {  170,   -1 }, /* (140) compare_op ::= LIKE */
+  {  170,   -2 }, /* (141) compare_op ::= NOT LIKE */
+  {  170,   -1 }, /* (142) compare_op ::= MATCH */
+  {  170,   -1 }, /* (143) compare_op ::= NMATCH */
+  {  171,   -1 }, /* (144) in_op ::= IN */
+  {  171,   -2 }, /* (145) in_op ::= NOT IN */
+  {  172,   -3 }, /* (146) in_predicate_value ::= NK_LP expression_list NK_RP */
+  {  173,   -1 }, /* (147) boolean_value_expression ::= boolean_primary */
+  {  173,   -2 }, /* (148) boolean_value_expression ::= NOT boolean_primary */
+  {  173,   -3 }, /* (149) boolean_value_expression ::= boolean_value_expression OR boolean_value_expression */
+  {  173,   -3 }, /* (150) boolean_value_expression ::= boolean_value_expression AND boolean_value_expression */
+  {  174,   -1 }, /* (151) boolean_primary ::= predicate */
+  {  174,   -3 }, /* (152) boolean_primary ::= NK_LP boolean_value_expression NK_RP */
+  {  175,   -1 }, /* (153) common_expression ::= expression */
+  {  175,   -1 }, /* (154) common_expression ::= boolean_value_expression */
+  {  176,   -2 }, /* (155) from_clause ::= FROM table_reference_list */
+  {  177,   -1 }, /* (156) table_reference_list ::= table_reference */
+  {  177,   -3 }, /* (157) table_reference_list ::= table_reference_list NK_COMMA table_reference */
+  {  178,   -1 }, /* (158) table_reference ::= table_primary */
+  {  178,   -1 }, /* (159) table_reference ::= joined_table */
+  {  179,   -2 }, /* (160) table_primary ::= table_name alias_opt */
+  {  179,   -4 }, /* (161) table_primary ::= db_name NK_DOT table_name alias_opt */
+  {  179,   -2 }, /* (162) table_primary ::= subquery alias_opt */
+  {  179,   -1 }, /* (163) table_primary ::= parenthesized_joined_table */
+  {  181,    0 }, /* (164) alias_opt ::= */
+  {  181,   -1 }, /* (165) alias_opt ::= table_alias */
+  {  181,   -2 }, /* (166) alias_opt ::= AS table_alias */
+  {  182,   -3 }, /* (167) parenthesized_joined_table ::= NK_LP joined_table NK_RP */
+  {  182,   -3 }, /* (168) parenthesized_joined_table ::= NK_LP parenthesized_joined_table NK_RP */
+  {  180,   -6 }, /* (169) joined_table ::= table_reference join_type JOIN table_reference ON search_condition */
+  {  183,    0 }, /* (170) join_type ::= */
+  {  183,   -1 }, /* (171) join_type ::= INNER */
+  {  185,   -9 }, /* (172) query_specification ::= SELECT set_quantifier_opt select_list from_clause where_clause_opt partition_by_clause_opt twindow_clause_opt group_by_clause_opt having_clause_opt */
+  {  186,    0 }, /* (173) set_quantifier_opt ::= */
+  {  186,   -1 }, /* (174) set_quantifier_opt ::= DISTINCT */
+  {  186,   -1 }, /* (175) set_quantifier_opt ::= ALL */
+  {  187,   -1 }, /* (176) select_list ::= NK_STAR */
+  {  187,   -1 }, /* (177) select_list ::= select_sublist */
+  {  193,   -1 }, /* (178) select_sublist ::= select_item */
+  {  193,   -3 }, /* (179) select_sublist ::= select_sublist NK_COMMA select_item */
+  {  194,   -1 }, /* (180) select_item ::= common_expression */
+  {  194,   -2 }, /* (181) select_item ::= common_expression column_alias */
+  {  194,   -3 }, /* (182) select_item ::= common_expression AS column_alias */
+  {  194,   -3 }, /* (183) select_item ::= table_name NK_DOT NK_STAR */
+  {  188,    0 }, /* (184) where_clause_opt ::= */
+  {  188,   -2 }, /* (185) where_clause_opt ::= WHERE search_condition */
+  {  189,    0 }, /* (186) partition_by_clause_opt ::= */
+  {  189,   -3 }, /* (187) partition_by_clause_opt ::= PARTITION BY expression_list */
+  {  190,    0 }, /* (188) twindow_clause_opt ::= */
+  {  190,   -6 }, /* (189) twindow_clause_opt ::= SESSION NK_LP column_reference NK_COMMA NK_INTEGER NK_RP */
+  {  190,   -4 }, /* (190) twindow_clause_opt ::= STATE_WINDOW NK_LP column_reference NK_RP */
+  {  190,   -6 }, /* (191) twindow_clause_opt ::= INTERVAL NK_LP duration_literal NK_RP sliding_opt fill_opt */
+  {  190,   -8 }, /* (192) twindow_clause_opt ::= INTERVAL NK_LP duration_literal NK_COMMA duration_literal NK_RP sliding_opt fill_opt */
+  {  195,    0 }, /* (193) sliding_opt ::= */
+  {  195,   -4 }, /* (194) sliding_opt ::= SLIDING NK_LP duration_literal NK_RP */
+  {  196,    0 }, /* (195) fill_opt ::= */
+  {  196,   -4 }, /* (196) fill_opt ::= FILL NK_LP fill_mode NK_RP */
+  {  196,   -6 }, /* (197) fill_opt ::= FILL NK_LP VALUE NK_COMMA literal_list NK_RP */
+  {  197,   -1 }, /* (198) fill_mode ::= NONE */
+  {  197,   -1 }, /* (199) fill_mode ::= PREV */
+  {  197,   -1 }, /* (200) fill_mode ::= NULL */
+  {  197,   -1 }, /* (201) fill_mode ::= LINEAR */
+  {  197,   -1 }, /* (202) fill_mode ::= NEXT */
+  {  191,    0 }, /* (203) group_by_clause_opt ::= */
+  {  191,   -3 }, /* (204) group_by_clause_opt ::= GROUP BY group_by_list */
+  {  198,   -1 }, /* (205) group_by_list ::= expression */
+  {  198,   -3 }, /* (206) group_by_list ::= group_by_list NK_COMMA expression */
+  {  192,    0 }, /* (207) having_clause_opt ::= */
+  {  192,   -2 }, /* (208) having_clause_opt ::= HAVING search_condition */
+  {  159,   -4 }, /* (209) query_expression ::= query_expression_body order_by_clause_opt slimit_clause_opt limit_clause_opt */
+  {  199,   -1 }, /* (210) query_expression_body ::= query_primary */
+  {  199,   -4 }, /* (211) query_expression_body ::= query_expression_body UNION ALL query_expression_body */
+  {  203,   -1 }, /* (212) query_primary ::= query_specification */
+  {  200,    0 }, /* (213) order_by_clause_opt ::= */
+  {  200,   -3 }, /* (214) order_by_clause_opt ::= ORDER BY sort_specification_list */
+  {  201,    0 }, /* (215) slimit_clause_opt ::= */
+  {  201,   -2 }, /* (216) slimit_clause_opt ::= SLIMIT NK_INTEGER */
+  {  201,   -4 }, /* (217) slimit_clause_opt ::= SLIMIT NK_INTEGER SOFFSET NK_INTEGER */
+  {  201,   -4 }, /* (218) slimit_clause_opt ::= SLIMIT NK_INTEGER NK_COMMA NK_INTEGER */
+  {  202,    0 }, /* (219) limit_clause_opt ::= */
+  {  202,   -2 }, /* (220) limit_clause_opt ::= LIMIT NK_INTEGER */
+  {  202,   -4 }, /* (221) limit_clause_opt ::= LIMIT NK_INTEGER OFFSET NK_INTEGER */
+  {  202,   -4 }, /* (222) limit_clause_opt ::= LIMIT NK_INTEGER NK_COMMA NK_INTEGER */
+  {  168,   -3 }, /* (223) subquery ::= NK_LP query_expression NK_RP */
+  {  184,   -1 }, /* (224) search_condition ::= common_expression */
+  {  204,   -1 }, /* (225) sort_specification_list ::= sort_specification */
+  {  204,   -3 }, /* (226) sort_specification_list ::= sort_specification_list NK_COMMA sort_specification */
+  {  205,   -3 }, /* (227) sort_specification ::= expression ordering_specification_opt null_ordering_opt */
+  {  206,    0 }, /* (228) ordering_specification_opt ::= */
+  {  206,   -1 }, /* (229) ordering_specification_opt ::= ASC */
+  {  206,   -1 }, /* (230) ordering_specification_opt ::= DESC */
+  {  207,    0 }, /* (231) null_ordering_opt ::= */
+  {  207,   -2 }, /* (232) null_ordering_opt ::= NULLS FIRST */
+  {  207,   -2 }, /* (233) null_ordering_opt ::= NULLS LAST */
 };
 
 static void yy_accept(yyParser*);  /* Forward Declaration */
@@ -1814,684 +1902,740 @@ static YYACTIONTYPE yy_reduce(
   */
 /********** Begin reduce actions **********************************************/
         YYMINORTYPE yylhsminor;
-      case 0: /* cmd ::= CREATE DATABASE exists_opt db_name db_options */
-{ pCxt->pRootNode = createCreateDatabaseStmt(pCxt, yymsp[-2].minor.yy187, &yymsp[-1].minor.yy175, yymsp[0].minor.yy211);}
+      case 0: /* cmd ::= CREATE USER user_name PASS NK_STRING */
+{ pCxt->pRootNode = createCreateUserStmt(pCxt, &yymsp[-2].minor.yy161, &yymsp[0].minor.yy0);}
+        break;
+      case 1: /* cmd ::= ALTER USER user_name PASS NK_STRING */
+{ pCxt->pRootNode = createAlterUserStmt(pCxt, &yymsp[-2].minor.yy161, TSDB_ALTER_USER_PASSWD, &yymsp[0].minor.yy0);}
         break;
-      case 1: /* exists_opt ::= IF NOT EXISTS */
-{ yymsp[-2].minor.yy187 = true; }
+      case 2: /* cmd ::= ALTER USER user_name PRIVILEGE NK_STRING */
+{ pCxt->pRootNode = createAlterUserStmt(pCxt, &yymsp[-2].minor.yy161, TSDB_ALTER_USER_PRIVILEGES, &yymsp[0].minor.yy0);}
         break;
-      case 2: /* exists_opt ::= */
-      case 150: /* set_quantifier_opt ::= */ yytestcase(yyruleno==150);
-{ yymsp[1].minor.yy187 = false; }
+      case 3: /* cmd ::= DROP USER user_name */
+{ pCxt->pRootNode = createDropUserStmt(pCxt, &yymsp[0].minor.yy161); }
         break;
-      case 3: /* db_options ::= */
-{ yymsp[1].minor.yy211 = createDefaultDatabaseOptions(pCxt); }
-        break;
-      case 4: /* db_options ::= db_options BLOCKS NK_INTEGER */
-{ yylhsminor.yy211 = setDatabaseOption(pCxt, yymsp[-2].minor.yy211, DB_OPTION_BLOCKS, &yymsp[0].minor.yy0); }
-  yymsp[-2].minor.yy211 = yylhsminor.yy211;
+      case 4: /* cmd ::= SHOW USERS */
+{ pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_USERS_STMT); }
         break;
-      case 5: /* db_options ::= db_options CACHE NK_INTEGER */
-{ yylhsminor.yy211 = setDatabaseOption(pCxt, yymsp[-2].minor.yy211, DB_OPTION_CACHE, &yymsp[0].minor.yy0); }
-  yymsp[-2].minor.yy211 = yylhsminor.yy211;
+      case 5: /* cmd ::= CREATE DNODE dnode_endpoint */
+{ pCxt->pRootNode = createCreateDnodeStmt(pCxt, &yymsp[0].minor.yy161, NULL);}
         break;
-      case 6: /* db_options ::= db_options CACHELAST NK_INTEGER */
-{ yylhsminor.yy211 = setDatabaseOption(pCxt, yymsp[-2].minor.yy211, DB_OPTION_CACHELAST, &yymsp[0].minor.yy0); }
-  yymsp[-2].minor.yy211 = yylhsminor.yy211;
+      case 6: /* cmd ::= CREATE DNODE dnode_host_name PORT NK_INTEGER */
+{ pCxt->pRootNode = createCreateDnodeStmt(pCxt, &yymsp[-2].minor.yy161, &yymsp[0].minor.yy0);}
         break;
-      case 7: /* db_options ::= db_options COMP NK_INTEGER */
-{ yylhsminor.yy211 = setDatabaseOption(pCxt, yymsp[-2].minor.yy211, DB_OPTION_COMP, &yymsp[0].minor.yy0); }
-  yymsp[-2].minor.yy211 = yylhsminor.yy211;
-        break;
-      case 8: /* db_options ::= db_options DAYS NK_INTEGER */
-{ yylhsminor.yy211 = setDatabaseOption(pCxt, yymsp[-2].minor.yy211, DB_OPTION_DAYS, &yymsp[0].minor.yy0); }
-  yymsp[-2].minor.yy211 = yylhsminor.yy211;
-        break;
-      case 9: /* db_options ::= db_options FSYNC NK_INTEGER */
-{ yylhsminor.yy211 = setDatabaseOption(pCxt, yymsp[-2].minor.yy211, DB_OPTION_FSYNC, &yymsp[0].minor.yy0); }
-  yymsp[-2].minor.yy211 = yylhsminor.yy211;
-        break;
-      case 10: /* db_options ::= db_options MAXROWS NK_INTEGER */
-{ yylhsminor.yy211 = setDatabaseOption(pCxt, yymsp[-2].minor.yy211, DB_OPTION_MAXROWS, &yymsp[0].minor.yy0); }
-  yymsp[-2].minor.yy211 = yylhsminor.yy211;
-        break;
-      case 11: /* db_options ::= db_options MINROWS NK_INTEGER */
-{ yylhsminor.yy211 = setDatabaseOption(pCxt, yymsp[-2].minor.yy211, DB_OPTION_MINROWS, &yymsp[0].minor.yy0); }
-  yymsp[-2].minor.yy211 = yylhsminor.yy211;
-        break;
-      case 12: /* db_options ::= db_options KEEP NK_INTEGER */
-{ yylhsminor.yy211 = setDatabaseOption(pCxt, yymsp[-2].minor.yy211, DB_OPTION_KEEP, &yymsp[0].minor.yy0); }
-  yymsp[-2].minor.yy211 = yylhsminor.yy211;
+      case 7: /* cmd ::= DROP DNODE NK_INTEGER */
+{ pCxt->pRootNode = createDropDnodeStmt(pCxt, &yymsp[0].minor.yy0);}
         break;
-      case 13: /* db_options ::= db_options PRECISION NK_STRING */
-{ yylhsminor.yy211 = setDatabaseOption(pCxt, yymsp[-2].minor.yy211, DB_OPTION_PRECISION, &yymsp[0].minor.yy0); }
-  yymsp[-2].minor.yy211 = yylhsminor.yy211;
+      case 8: /* cmd ::= DROP DNODE dnode_endpoint */
+{ pCxt->pRootNode = createDropDnodeStmt(pCxt, &yymsp[0].minor.yy161);}
         break;
-      case 14: /* db_options ::= db_options QUORUM NK_INTEGER */
-{ yylhsminor.yy211 = setDatabaseOption(pCxt, yymsp[-2].minor.yy211, DB_OPTION_QUORUM, &yymsp[0].minor.yy0); }
-  yymsp[-2].minor.yy211 = yylhsminor.yy211;
+      case 9: /* cmd ::= SHOW DNODES */
+{ pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_DNODES_STMT); }
         break;
-      case 15: /* db_options ::= db_options REPLICA NK_INTEGER */
-{ yylhsminor.yy211 = setDatabaseOption(pCxt, yymsp[-2].minor.yy211, DB_OPTION_REPLICA, &yymsp[0].minor.yy0); }
-  yymsp[-2].minor.yy211 = yylhsminor.yy211;
+      case 10: /* dnode_endpoint ::= NK_STRING */
+      case 11: /* dnode_host_name ::= NK_ID */ yytestcase(yyruleno==11);
+      case 12: /* dnode_host_name ::= NK_IPTOKEN */ yytestcase(yyruleno==12);
+      case 104: /* db_name ::= NK_ID */ yytestcase(yyruleno==104);
+      case 105: /* table_name ::= NK_ID */ yytestcase(yyruleno==105);
+      case 106: /* column_name ::= NK_ID */ yytestcase(yyruleno==106);
+      case 107: /* function_name ::= NK_ID */ yytestcase(yyruleno==107);
+      case 108: /* table_alias ::= NK_ID */ yytestcase(yyruleno==108);
+      case 109: /* column_alias ::= NK_ID */ yytestcase(yyruleno==109);
+      case 110: /* user_name ::= NK_ID */ yytestcase(yyruleno==110);
+{ yylhsminor.yy161 = yymsp[0].minor.yy0; }
+  yymsp[0].minor.yy161 = yylhsminor.yy161;
         break;
-      case 16: /* db_options ::= db_options TTL NK_INTEGER */
-{ yylhsminor.yy211 = setDatabaseOption(pCxt, yymsp[-2].minor.yy211, DB_OPTION_TTL, &yymsp[0].minor.yy0); }
-  yymsp[-2].minor.yy211 = yylhsminor.yy211;
+      case 13: /* cmd ::= CREATE DATABASE not_exists_opt db_name db_options */
+{ pCxt->pRootNode = createCreateDatabaseStmt(pCxt, yymsp[-2].minor.yy377, &yymsp[-1].minor.yy161, yymsp[0].minor.yy103);}
         break;
-      case 17: /* db_options ::= db_options WAL NK_INTEGER */
-{ yylhsminor.yy211 = setDatabaseOption(pCxt, yymsp[-2].minor.yy211, DB_OPTION_WAL, &yymsp[0].minor.yy0); }
-  yymsp[-2].minor.yy211 = yylhsminor.yy211;
+      case 14: /* cmd ::= DROP DATABASE exists_opt db_name */
+{ pCxt->pRootNode = createDropDatabaseStmt(pCxt, yymsp[-1].minor.yy377, &yymsp[0].minor.yy161); }
         break;
-      case 18: /* db_options ::= db_options VGROUPS NK_INTEGER */
-{ yylhsminor.yy211 = setDatabaseOption(pCxt, yymsp[-2].minor.yy211, DB_OPTION_VGROUPS, &yymsp[0].minor.yy0); }
-  yymsp[-2].minor.yy211 = yylhsminor.yy211;
+      case 15: /* cmd ::= SHOW DATABASES */
+{ pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_DATABASES_STMT); }
         break;
-      case 19: /* db_options ::= db_options SINGLE_STABLE NK_INTEGER */
-{ yylhsminor.yy211 = setDatabaseOption(pCxt, yymsp[-2].minor.yy211, DB_OPTION_SINGLESTABLE, &yymsp[0].minor.yy0); }
-  yymsp[-2].minor.yy211 = yylhsminor.yy211;
+      case 16: /* cmd ::= USE db_name */
+{ pCxt->pRootNode = createUseDatabaseStmt(pCxt, &yymsp[0].minor.yy161);}
         break;
-      case 20: /* db_options ::= db_options STREAM_MODE NK_INTEGER */
-{ yylhsminor.yy211 = setDatabaseOption(pCxt, yymsp[-2].minor.yy211, DB_OPTION_STREAMMODE, &yymsp[0].minor.yy0); }
-  yymsp[-2].minor.yy211 = yylhsminor.yy211;
+      case 17: /* not_exists_opt ::= IF NOT EXISTS */
+{ yymsp[-2].minor.yy377 = true; }
         break;
-      case 21: /* cmd ::= USE db_name */
-{ pCxt->pRootNode = createUseDatabaseStmt(pCxt, &yymsp[0].minor.yy175);}
+      case 18: /* not_exists_opt ::= */
+      case 20: /* exists_opt ::= */ yytestcase(yyruleno==20);
+      case 173: /* set_quantifier_opt ::= */ yytestcase(yyruleno==173);
+{ yymsp[1].minor.yy377 = false; }
         break;
-      case 22: /* cmd ::= CREATE TABLE exists_opt full_table_name NK_LP column_def_list NK_RP tags_def_opt table_options */
-      case 24: /* cmd ::= CREATE STABLE exists_opt full_table_name NK_LP column_def_list NK_RP tags_def table_options */ yytestcase(yyruleno==24);
-{ pCxt->pRootNode = createCreateTableStmt(pCxt, yymsp[-6].minor.yy187, &yymsp[-5].minor.yy341, yymsp[-3].minor.yy182, yymsp[-1].minor.yy182, yymsp[0].minor.yy286);}
+      case 19: /* exists_opt ::= IF EXISTS */
+{ yymsp[-1].minor.yy377 = true; }
         break;
-      case 23: /* cmd ::= CREATE TABLE multi_create_clause */
-{ pCxt->pRootNode = createCreateMultiTableStmt(pCxt, yymsp[0].minor.yy182);}
+      case 21: /* db_options ::= */
+{ yymsp[1].minor.yy103 = createDefaultDatabaseOptions(pCxt); }
         break;
-      case 25: /* multi_create_clause ::= create_subtable_clause */
-      case 32: /* column_def_list ::= column_def */ yytestcase(yyruleno==32);
-      case 67: /* col_name_list ::= col_name */ yytestcase(yyruleno==67);
-      case 155: /* select_sublist ::= select_item */ yytestcase(yyruleno==155);
-      case 202: /* sort_specification_list ::= sort_specification */ yytestcase(yyruleno==202);
-{ yylhsminor.yy182 = createNodeList(pCxt, yymsp[0].minor.yy210); }
-  yymsp[0].minor.yy182 = yylhsminor.yy182;
+      case 22: /* db_options ::= db_options BLOCKS NK_INTEGER */
+{ yylhsminor.yy103 = setDatabaseOption(pCxt, yymsp[-2].minor.yy103, DB_OPTION_BLOCKS, &yymsp[0].minor.yy0); }
+  yymsp[-2].minor.yy103 = yylhsminor.yy103;
         break;
-      case 26: /* multi_create_clause ::= multi_create_clause create_subtable_clause */
-{ yylhsminor.yy182 = addNodeToList(pCxt, yymsp[-1].minor.yy182, yymsp[0].minor.yy210); }
-  yymsp[-1].minor.yy182 = yylhsminor.yy182;
+      case 23: /* db_options ::= db_options CACHE NK_INTEGER */
+{ yylhsminor.yy103 = setDatabaseOption(pCxt, yymsp[-2].minor.yy103, DB_OPTION_CACHE, &yymsp[0].minor.yy0); }
+  yymsp[-2].minor.yy103 = yylhsminor.yy103;
         break;
-      case 27: /* create_subtable_clause ::= exists_opt full_table_name USING full_table_name specific_tags_opt TAGS NK_LP literal_list NK_RP */
-{ yylhsminor.yy210 = createCreateSubTableClause(pCxt, yymsp[-8].minor.yy187, &yymsp[-7].minor.yy341, &yymsp[-5].minor.yy341, yymsp[-4].minor.yy182, yymsp[-1].minor.yy182); }
-  yymsp[-8].minor.yy210 = yylhsminor.yy210;
+      case 24: /* db_options ::= db_options CACHELAST NK_INTEGER */
+{ yylhsminor.yy103 = setDatabaseOption(pCxt, yymsp[-2].minor.yy103, DB_OPTION_CACHELAST, &yymsp[0].minor.yy0); }
+  yymsp[-2].minor.yy103 = yylhsminor.yy103;
         break;
-      case 28: /* specific_tags_opt ::= */
-      case 59: /* tags_def_opt ::= */ yytestcase(yyruleno==59);
-      case 163: /* partition_by_clause_opt ::= */ yytestcase(yyruleno==163);
-      case 180: /* group_by_clause_opt ::= */ yytestcase(yyruleno==180);
-      case 190: /* order_by_clause_opt ::= */ yytestcase(yyruleno==190);
-{ yymsp[1].minor.yy182 = NULL; }
+      case 25: /* db_options ::= db_options COMP NK_INTEGER */
+{ yylhsminor.yy103 = setDatabaseOption(pCxt, yymsp[-2].minor.yy103, DB_OPTION_COMP, &yymsp[0].minor.yy0); }
+  yymsp[-2].minor.yy103 = yylhsminor.yy103;
         break;
-      case 29: /* specific_tags_opt ::= NK_LP col_name_list NK_RP */
-{ yymsp[-2].minor.yy182 = yymsp[-1].minor.yy182; }
+      case 26: /* db_options ::= db_options DAYS NK_INTEGER */
+{ yylhsminor.yy103 = setDatabaseOption(pCxt, yymsp[-2].minor.yy103, DB_OPTION_DAYS, &yymsp[0].minor.yy0); }
+  yymsp[-2].minor.yy103 = yylhsminor.yy103;
         break;
-      case 30: /* full_table_name ::= NK_ID */
-{ STokenPair t = { .first = nil_token, .second = yymsp[0].minor.yy0 }; yylhsminor.yy341 = t; }
-  yymsp[0].minor.yy341 = yylhsminor.yy341;
+      case 27: /* db_options ::= db_options FSYNC NK_INTEGER */
+{ yylhsminor.yy103 = setDatabaseOption(pCxt, yymsp[-2].minor.yy103, DB_OPTION_FSYNC, &yymsp[0].minor.yy0); }
+  yymsp[-2].minor.yy103 = yylhsminor.yy103;
         break;
-      case 31: /* full_table_name ::= NK_ID NK_DOT NK_ID */
-{ STokenPair t = { .first = yymsp[-2].minor.yy0, .second = yymsp[0].minor.yy0 }; yylhsminor.yy341 = t; }
-  yymsp[-2].minor.yy341 = yylhsminor.yy341;
+      case 28: /* db_options ::= db_options MAXROWS NK_INTEGER */
+{ yylhsminor.yy103 = setDatabaseOption(pCxt, yymsp[-2].minor.yy103, DB_OPTION_MAXROWS, &yymsp[0].minor.yy0); }
+  yymsp[-2].minor.yy103 = yylhsminor.yy103;
         break;
-      case 33: /* column_def_list ::= column_def_list NK_COMMA column_def */
-      case 68: /* col_name_list ::= col_name_list NK_COMMA col_name */ yytestcase(yyruleno==68);
-      case 156: /* select_sublist ::= select_sublist NK_COMMA select_item */ yytestcase(yyruleno==156);
-      case 203: /* sort_specification_list ::= sort_specification_list NK_COMMA sort_specification */ yytestcase(yyruleno==203);
-{ yylhsminor.yy182 = addNodeToList(pCxt, yymsp[-2].minor.yy182, yymsp[0].minor.yy210); }
-  yymsp[-2].minor.yy182 = yylhsminor.yy182;
+      case 29: /* db_options ::= db_options MINROWS NK_INTEGER */
+{ yylhsminor.yy103 = setDatabaseOption(pCxt, yymsp[-2].minor.yy103, DB_OPTION_MINROWS, &yymsp[0].minor.yy0); }
+  yymsp[-2].minor.yy103 = yylhsminor.yy103;
         break;
-      case 34: /* column_def ::= column_name type_name */
-{ yylhsminor.yy210 = createColumnDefNode(pCxt, &yymsp[-1].minor.yy175, yymsp[0].minor.yy42, NULL); }
-  yymsp[-1].minor.yy210 = yylhsminor.yy210;
+      case 30: /* db_options ::= db_options KEEP NK_INTEGER */
+{ yylhsminor.yy103 = setDatabaseOption(pCxt, yymsp[-2].minor.yy103, DB_OPTION_KEEP, &yymsp[0].minor.yy0); }
+  yymsp[-2].minor.yy103 = yylhsminor.yy103;
         break;
-      case 35: /* column_def ::= column_name type_name COMMENT NK_STRING */
-{ yylhsminor.yy210 = createColumnDefNode(pCxt, &yymsp[-3].minor.yy175, yymsp[-2].minor.yy42, &yymsp[0].minor.yy0); }
-  yymsp[-3].minor.yy210 = yylhsminor.yy210;
+      case 31: /* db_options ::= db_options PRECISION NK_STRING */
+{ yylhsminor.yy103 = setDatabaseOption(pCxt, yymsp[-2].minor.yy103, DB_OPTION_PRECISION, &yymsp[0].minor.yy0); }
+  yymsp[-2].minor.yy103 = yylhsminor.yy103;
         break;
-      case 36: /* type_name ::= BOOL */
-{ yymsp[0].minor.yy42 = createDataType(TSDB_DATA_TYPE_BOOL); }
+      case 32: /* db_options ::= db_options QUORUM NK_INTEGER */
+{ yylhsminor.yy103 = setDatabaseOption(pCxt, yymsp[-2].minor.yy103, DB_OPTION_QUORUM, &yymsp[0].minor.yy0); }
+  yymsp[-2].minor.yy103 = yylhsminor.yy103;
         break;
-      case 37: /* type_name ::= TINYINT */
-{ yymsp[0].minor.yy42 = createDataType(TSDB_DATA_TYPE_TINYINT); }
+      case 33: /* db_options ::= db_options REPLICA NK_INTEGER */
+{ yylhsminor.yy103 = setDatabaseOption(pCxt, yymsp[-2].minor.yy103, DB_OPTION_REPLICA, &yymsp[0].minor.yy0); }
+  yymsp[-2].minor.yy103 = yylhsminor.yy103;
         break;
-      case 38: /* type_name ::= SMALLINT */
-{ yymsp[0].minor.yy42 = createDataType(TSDB_DATA_TYPE_SMALLINT); }
+      case 34: /* db_options ::= db_options TTL NK_INTEGER */
+{ yylhsminor.yy103 = setDatabaseOption(pCxt, yymsp[-2].minor.yy103, DB_OPTION_TTL, &yymsp[0].minor.yy0); }
+  yymsp[-2].minor.yy103 = yylhsminor.yy103;
         break;
-      case 39: /* type_name ::= INT */
-      case 40: /* type_name ::= INTEGER */ yytestcase(yyruleno==40);
-{ yymsp[0].minor.yy42 = createDataType(TSDB_DATA_TYPE_INT); }
+      case 35: /* db_options ::= db_options WAL NK_INTEGER */
+{ yylhsminor.yy103 = setDatabaseOption(pCxt, yymsp[-2].minor.yy103, DB_OPTION_WAL, &yymsp[0].minor.yy0); }
+  yymsp[-2].minor.yy103 = yylhsminor.yy103;
         break;
-      case 41: /* type_name ::= BIGINT */
-{ yymsp[0].minor.yy42 = createDataType(TSDB_DATA_TYPE_BIGINT); }
+      case 36: /* db_options ::= db_options VGROUPS NK_INTEGER */
+{ yylhsminor.yy103 = setDatabaseOption(pCxt, yymsp[-2].minor.yy103, DB_OPTION_VGROUPS, &yymsp[0].minor.yy0); }
+  yymsp[-2].minor.yy103 = yylhsminor.yy103;
         break;
-      case 42: /* type_name ::= FLOAT */
-{ yymsp[0].minor.yy42 = createDataType(TSDB_DATA_TYPE_FLOAT); }
+      case 37: /* db_options ::= db_options SINGLE_STABLE NK_INTEGER */
+{ yylhsminor.yy103 = setDatabaseOption(pCxt, yymsp[-2].minor.yy103, DB_OPTION_SINGLESTABLE, &yymsp[0].minor.yy0); }
+  yymsp[-2].minor.yy103 = yylhsminor.yy103;
         break;
-      case 43: /* type_name ::= DOUBLE */
-{ yymsp[0].minor.yy42 = createDataType(TSDB_DATA_TYPE_DOUBLE); }
+      case 38: /* db_options ::= db_options STREAM_MODE NK_INTEGER */
+{ yylhsminor.yy103 = setDatabaseOption(pCxt, yymsp[-2].minor.yy103, DB_OPTION_STREAMMODE, &yymsp[0].minor.yy0); }
+  yymsp[-2].minor.yy103 = yylhsminor.yy103;
         break;
-      case 44: /* type_name ::= BINARY NK_LP NK_INTEGER NK_RP */
-{ yymsp[-3].minor.yy42 = createVarLenDataType(TSDB_DATA_TYPE_BINARY, &yymsp[-1].minor.yy0); }
+      case 39: /* cmd ::= CREATE TABLE not_exists_opt full_table_name NK_LP column_def_list NK_RP tags_def_opt table_options */
+      case 41: /* cmd ::= CREATE STABLE not_exists_opt full_table_name NK_LP column_def_list NK_RP tags_def table_options */ yytestcase(yyruleno==41);
+{ pCxt->pRootNode = createCreateTableStmt(pCxt, yymsp[-6].minor.yy377, yymsp[-5].minor.yy392, yymsp[-3].minor.yy184, yymsp[-1].minor.yy184, yymsp[0].minor.yy334);}
         break;
-      case 45: /* type_name ::= TIMESTAMP */
-{ yymsp[0].minor.yy42 = createDataType(TSDB_DATA_TYPE_TIMESTAMP); }
+      case 40: /* cmd ::= CREATE TABLE multi_create_clause */
+{ pCxt->pRootNode = createCreateMultiTableStmt(pCxt, yymsp[0].minor.yy184);}
         break;
-      case 46: /* type_name ::= NCHAR NK_LP NK_INTEGER NK_RP */
-{ yymsp[-3].minor.yy42 = createVarLenDataType(TSDB_DATA_TYPE_NCHAR, &yymsp[-1].minor.yy0); }
+      case 42: /* cmd ::= DROP TABLE multi_drop_clause */
+{ pCxt->pRootNode = createDropTableStmt(pCxt, yymsp[0].minor.yy184); }
         break;
-      case 47: /* type_name ::= TINYINT UNSIGNED */
-{ yymsp[-1].minor.yy42 = createDataType(TSDB_DATA_TYPE_UTINYINT); }
+      case 43: /* cmd ::= SHOW TABLES */
+{ pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_TABLES_STMT); }
         break;
-      case 48: /* type_name ::= SMALLINT UNSIGNED */
-{ yymsp[-1].minor.yy42 = createDataType(TSDB_DATA_TYPE_USMALLINT); }
+      case 44: /* cmd ::= SHOW STABLES */
+{ pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_STABLES_STMT); }
         break;
-      case 49: /* type_name ::= INT UNSIGNED */
-{ yymsp[-1].minor.yy42 = createDataType(TSDB_DATA_TYPE_UINT); }
+      case 45: /* multi_create_clause ::= create_subtable_clause */
+      case 48: /* multi_drop_clause ::= drop_table_clause */ yytestcase(yyruleno==48);
+      case 55: /* column_def_list ::= column_def */ yytestcase(yyruleno==55);
+      case 90: /* col_name_list ::= col_name */ yytestcase(yyruleno==90);
+      case 178: /* select_sublist ::= select_item */ yytestcase(yyruleno==178);
+      case 225: /* sort_specification_list ::= sort_specification */ yytestcase(yyruleno==225);
+{ yylhsminor.yy184 = createNodeList(pCxt, yymsp[0].minor.yy392); }
+  yymsp[0].minor.yy184 = yylhsminor.yy184;
         break;
-      case 50: /* type_name ::= BIGINT UNSIGNED */
-{ yymsp[-1].minor.yy42 = createDataType(TSDB_DATA_TYPE_UBIGINT); }
+      case 46: /* multi_create_clause ::= multi_create_clause create_subtable_clause */
+      case 49: /* multi_drop_clause ::= multi_drop_clause drop_table_clause */ yytestcase(yyruleno==49);
+{ yylhsminor.yy184 = addNodeToList(pCxt, yymsp[-1].minor.yy184, yymsp[0].minor.yy392); }
+  yymsp[-1].minor.yy184 = yylhsminor.yy184;
         break;
-      case 51: /* type_name ::= JSON */
-{ yymsp[0].minor.yy42 = createDataType(TSDB_DATA_TYPE_JSON); }
+      case 47: /* create_subtable_clause ::= not_exists_opt full_table_name USING full_table_name specific_tags_opt TAGS NK_LP literal_list NK_RP */
+{ yylhsminor.yy392 = createCreateSubTableClause(pCxt, yymsp[-8].minor.yy377, yymsp[-7].minor.yy392, yymsp[-5].minor.yy392, yymsp[-4].minor.yy184, yymsp[-1].minor.yy184); }
+  yymsp[-8].minor.yy392 = yylhsminor.yy392;
         break;
-      case 52: /* type_name ::= VARCHAR NK_LP NK_INTEGER NK_RP */
-{ yymsp[-3].minor.yy42 = createVarLenDataType(TSDB_DATA_TYPE_VARCHAR, &yymsp[-1].minor.yy0); }
+      case 50: /* drop_table_clause ::= exists_opt full_table_name */
+{ yylhsminor.yy392 = createDropTableClause(pCxt, yymsp[-1].minor.yy377, yymsp[0].minor.yy392); }
+  yymsp[-1].minor.yy392 = yylhsminor.yy392;
         break;
-      case 53: /* type_name ::= MEDIUMBLOB */
-{ yymsp[0].minor.yy42 = createDataType(TSDB_DATA_TYPE_MEDIUMBLOB); }
+      case 51: /* specific_tags_opt ::= */
+      case 82: /* tags_def_opt ::= */ yytestcase(yyruleno==82);
+      case 186: /* partition_by_clause_opt ::= */ yytestcase(yyruleno==186);
+      case 203: /* group_by_clause_opt ::= */ yytestcase(yyruleno==203);
+      case 213: /* order_by_clause_opt ::= */ yytestcase(yyruleno==213);
+{ yymsp[1].minor.yy184 = NULL; }
         break;
-      case 54: /* type_name ::= BLOB */
-{ yymsp[0].minor.yy42 = createDataType(TSDB_DATA_TYPE_BLOB); }
+      case 52: /* specific_tags_opt ::= NK_LP col_name_list NK_RP */
+{ yymsp[-2].minor.yy184 = yymsp[-1].minor.yy184; }
         break;
-      case 55: /* type_name ::= VARBINARY NK_LP NK_INTEGER NK_RP */
-{ yymsp[-3].minor.yy42 = createVarLenDataType(TSDB_DATA_TYPE_VARBINARY, &yymsp[-1].minor.yy0); }
+      case 53: /* full_table_name ::= table_name */
+{ yylhsminor.yy392 = createRealTableNode(pCxt, NULL, &yymsp[0].minor.yy161, NULL); }
+  yymsp[0].minor.yy392 = yylhsminor.yy392;
         break;
-      case 56: /* type_name ::= DECIMAL */
-{ yymsp[0].minor.yy42 = createDataType(TSDB_DATA_TYPE_DECIMAL); }
+      case 54: /* full_table_name ::= db_name NK_DOT table_name */
+{ yylhsminor.yy392 = createRealTableNode(pCxt, &yymsp[-2].minor.yy161, &yymsp[0].minor.yy161, NULL); }
+  yymsp[-2].minor.yy392 = yylhsminor.yy392;
         break;
-      case 57: /* type_name ::= DECIMAL NK_LP NK_INTEGER NK_RP */
-{ yymsp[-3].minor.yy42 = createDataType(TSDB_DATA_TYPE_DECIMAL); }
+      case 56: /* column_def_list ::= column_def_list NK_COMMA column_def */
+      case 91: /* col_name_list ::= col_name_list NK_COMMA col_name */ yytestcase(yyruleno==91);
+      case 179: /* select_sublist ::= select_sublist NK_COMMA select_item */ yytestcase(yyruleno==179);
+      case 226: /* sort_specification_list ::= sort_specification_list NK_COMMA sort_specification */ yytestcase(yyruleno==226);
+{ yylhsminor.yy184 = addNodeToList(pCxt, yymsp[-2].minor.yy184, yymsp[0].minor.yy392); }
+  yymsp[-2].minor.yy184 = yylhsminor.yy184;
         break;
-      case 58: /* type_name ::= DECIMAL NK_LP NK_INTEGER NK_COMMA NK_INTEGER NK_RP */
-{ yymsp[-5].minor.yy42 = createDataType(TSDB_DATA_TYPE_DECIMAL); }
+      case 57: /* column_def ::= column_name type_name */
+{ yylhsminor.yy392 = createColumnDefNode(pCxt, &yymsp[-1].minor.yy161, yymsp[0].minor.yy240, NULL); }
+  yymsp[-1].minor.yy392 = yylhsminor.yy392;
         break;
-      case 60: /* tags_def_opt ::= tags_def */
-      case 154: /* select_list ::= select_sublist */ yytestcase(yyruleno==154);
-{ yylhsminor.yy182 = yymsp[0].minor.yy182; }
-  yymsp[0].minor.yy182 = yylhsminor.yy182;
+      case 58: /* column_def ::= column_name type_name COMMENT NK_STRING */
+{ yylhsminor.yy392 = createColumnDefNode(pCxt, &yymsp[-3].minor.yy161, yymsp[-2].minor.yy240, &yymsp[0].minor.yy0); }
+  yymsp[-3].minor.yy392 = yylhsminor.yy392;
         break;
-      case 61: /* tags_def ::= TAGS NK_LP column_def_list NK_RP */
-{ yymsp[-3].minor.yy182 = yymsp[-1].minor.yy182; }
+      case 59: /* type_name ::= BOOL */
+{ yymsp[0].minor.yy240 = createDataType(TSDB_DATA_TYPE_BOOL); }
         break;
-      case 62: /* table_options ::= */
-{ yymsp[1].minor.yy286 = createDefaultTableOptions(pCxt);}
+      case 60: /* type_name ::= TINYINT */
+{ yymsp[0].minor.yy240 = createDataType(TSDB_DATA_TYPE_TINYINT); }
         break;
-      case 63: /* table_options ::= table_options COMMENT NK_STRING */
-{ yylhsminor.yy286 = setTableOption(pCxt, yymsp[-2].minor.yy286, TABLE_OPTION_COMMENT, &yymsp[0].minor.yy0); }
-  yymsp[-2].minor.yy286 = yylhsminor.yy286;
+      case 61: /* type_name ::= SMALLINT */
+{ yymsp[0].minor.yy240 = createDataType(TSDB_DATA_TYPE_SMALLINT); }
         break;
-      case 64: /* table_options ::= table_options KEEP NK_INTEGER */
-{ yylhsminor.yy286 = setTableOption(pCxt, yymsp[-2].minor.yy286, TABLE_OPTION_KEEP, &yymsp[0].minor.yy0); }
-  yymsp[-2].minor.yy286 = yylhsminor.yy286;
+      case 62: /* type_name ::= INT */
+      case 63: /* type_name ::= INTEGER */ yytestcase(yyruleno==63);
+{ yymsp[0].minor.yy240 = createDataType(TSDB_DATA_TYPE_INT); }
         break;
-      case 65: /* table_options ::= table_options TTL NK_INTEGER */
-{ yylhsminor.yy286 = setTableOption(pCxt, yymsp[-2].minor.yy286, TABLE_OPTION_TTL, &yymsp[0].minor.yy0); }
-  yymsp[-2].minor.yy286 = yylhsminor.yy286;
+      case 64: /* type_name ::= BIGINT */
+{ yymsp[0].minor.yy240 = createDataType(TSDB_DATA_TYPE_BIGINT); }
         break;
-      case 66: /* table_options ::= table_options SMA NK_LP col_name_list NK_RP */
-{ yylhsminor.yy286 = setTableSmaOption(pCxt, yymsp[-4].minor.yy286, yymsp[-1].minor.yy182); }
-  yymsp[-4].minor.yy286 = yylhsminor.yy286;
+      case 65: /* type_name ::= FLOAT */
+{ yymsp[0].minor.yy240 = createDataType(TSDB_DATA_TYPE_FLOAT); }
         break;
-      case 69: /* col_name ::= column_name */
-{ yylhsminor.yy210 = createColumnNode(pCxt, NULL, &yymsp[0].minor.yy175); }
-  yymsp[0].minor.yy210 = yylhsminor.yy210;
+      case 66: /* type_name ::= DOUBLE */
+{ yymsp[0].minor.yy240 = createDataType(TSDB_DATA_TYPE_DOUBLE); }
         break;
-      case 70: /* cmd ::= SHOW DATABASES */
-{ pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_DATABASES_STMT); }
+      case 67: /* type_name ::= BINARY NK_LP NK_INTEGER NK_RP */
+{ yymsp[-3].minor.yy240 = createVarLenDataType(TSDB_DATA_TYPE_BINARY, &yymsp[-1].minor.yy0); }
         break;
-      case 71: /* cmd ::= SHOW TABLES */
-{ pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_TABLES_STMT); }
+      case 68: /* type_name ::= TIMESTAMP */
+{ yymsp[0].minor.yy240 = createDataType(TSDB_DATA_TYPE_TIMESTAMP); }
+        break;
+      case 69: /* type_name ::= NCHAR NK_LP NK_INTEGER NK_RP */
+{ yymsp[-3].minor.yy240 = createVarLenDataType(TSDB_DATA_TYPE_NCHAR, &yymsp[-1].minor.yy0); }
+        break;
+      case 70: /* type_name ::= TINYINT UNSIGNED */
+{ yymsp[-1].minor.yy240 = createDataType(TSDB_DATA_TYPE_UTINYINT); }
+        break;
+      case 71: /* type_name ::= SMALLINT UNSIGNED */
+{ yymsp[-1].minor.yy240 = createDataType(TSDB_DATA_TYPE_USMALLINT); }
+        break;
+      case 72: /* type_name ::= INT UNSIGNED */
+{ yymsp[-1].minor.yy240 = createDataType(TSDB_DATA_TYPE_UINT); }
+        break;
+      case 73: /* type_name ::= BIGINT UNSIGNED */
+{ yymsp[-1].minor.yy240 = createDataType(TSDB_DATA_TYPE_UBIGINT); }
+        break;
+      case 74: /* type_name ::= JSON */
+{ yymsp[0].minor.yy240 = createDataType(TSDB_DATA_TYPE_JSON); }
+        break;
+      case 75: /* type_name ::= VARCHAR NK_LP NK_INTEGER NK_RP */
+{ yymsp[-3].minor.yy240 = createVarLenDataType(TSDB_DATA_TYPE_VARCHAR, &yymsp[-1].minor.yy0); }
+        break;
+      case 76: /* type_name ::= MEDIUMBLOB */
+{ yymsp[0].minor.yy240 = createDataType(TSDB_DATA_TYPE_MEDIUMBLOB); }
+        break;
+      case 77: /* type_name ::= BLOB */
+{ yymsp[0].minor.yy240 = createDataType(TSDB_DATA_TYPE_BLOB); }
+        break;
+      case 78: /* type_name ::= VARBINARY NK_LP NK_INTEGER NK_RP */
+{ yymsp[-3].minor.yy240 = createVarLenDataType(TSDB_DATA_TYPE_VARBINARY, &yymsp[-1].minor.yy0); }
+        break;
+      case 79: /* type_name ::= DECIMAL */
+{ yymsp[0].minor.yy240 = createDataType(TSDB_DATA_TYPE_DECIMAL); }
         break;
-      case 72: /* cmd ::= query_expression */
-{ pCxt->pRootNode = yymsp[0].minor.yy210; }
-        break;
-      case 73: /* literal ::= NK_INTEGER */
-{ yylhsminor.yy210 = createRawExprNode(pCxt, &yymsp[0].minor.yy0, createValueNode(pCxt, TSDB_DATA_TYPE_BIGINT, &yymsp[0].minor.yy0)); }
-  yymsp[0].minor.yy210 = yylhsminor.yy210;
-        break;
-      case 74: /* literal ::= NK_FLOAT */
-{ yylhsminor.yy210 = createRawExprNode(pCxt, &yymsp[0].minor.yy0, createValueNode(pCxt, TSDB_DATA_TYPE_DOUBLE, &yymsp[0].minor.yy0)); }
-  yymsp[0].minor.yy210 = yylhsminor.yy210;
-        break;
-      case 75: /* literal ::= NK_STRING */
-{ yylhsminor.yy210 = createRawExprNode(pCxt, &yymsp[0].minor.yy0, createValueNode(pCxt, TSDB_DATA_TYPE_BINARY, &yymsp[0].minor.yy0)); }
-  yymsp[0].minor.yy210 = yylhsminor.yy210;
-        break;
-      case 76: /* literal ::= NK_BOOL */
-{ yylhsminor.yy210 = createRawExprNode(pCxt, &yymsp[0].minor.yy0, createValueNode(pCxt, TSDB_DATA_TYPE_BOOL, &yymsp[0].minor.yy0)); }
-  yymsp[0].minor.yy210 = yylhsminor.yy210;
-        break;
-      case 77: /* literal ::= TIMESTAMP NK_STRING */
-{ yylhsminor.yy210 = createRawExprNodeExt(pCxt, &yymsp[-1].minor.yy0, &yymsp[0].minor.yy0, createValueNode(pCxt, TSDB_DATA_TYPE_TIMESTAMP, &yymsp[0].minor.yy0)); }
-  yymsp[-1].minor.yy210 = yylhsminor.yy210;
-        break;
-      case 78: /* literal ::= duration_literal */
-      case 88: /* expression ::= literal */ yytestcase(yyruleno==88);
-      case 89: /* expression ::= column_reference */ yytestcase(yyruleno==89);
-      case 92: /* expression ::= subquery */ yytestcase(yyruleno==92);
-      case 124: /* boolean_value_expression ::= boolean_primary */ yytestcase(yyruleno==124);
-      case 128: /* boolean_primary ::= predicate */ yytestcase(yyruleno==128);
-      case 130: /* common_expression ::= expression */ yytestcase(yyruleno==130);
-      case 131: /* common_expression ::= boolean_value_expression */ yytestcase(yyruleno==131);
-      case 133: /* table_reference_list ::= table_reference */ yytestcase(yyruleno==133);
-      case 135: /* table_reference ::= table_primary */ yytestcase(yyruleno==135);
-      case 136: /* table_reference ::= joined_table */ yytestcase(yyruleno==136);
-      case 140: /* table_primary ::= parenthesized_joined_table */ yytestcase(yyruleno==140);
-      case 187: /* query_expression_body ::= query_primary */ yytestcase(yyruleno==187);
-      case 189: /* query_primary ::= query_specification */ yytestcase(yyruleno==189);
-{ yylhsminor.yy210 = yymsp[0].minor.yy210; }
-  yymsp[0].minor.yy210 = yylhsminor.yy210;
-        break;
-      case 79: /* duration_literal ::= NK_VARIABLE */
-{ yylhsminor.yy210 = createRawExprNode(pCxt, &yymsp[0].minor.yy0, createDurationValueNode(pCxt, &yymsp[0].minor.yy0)); }
-  yymsp[0].minor.yy210 = yylhsminor.yy210;
-        break;
-      case 80: /* literal_list ::= literal */
-      case 101: /* expression_list ::= expression */ yytestcase(yyruleno==101);
-{ yylhsminor.yy182 = createNodeList(pCxt, releaseRawExprNode(pCxt, yymsp[0].minor.yy210)); }
-  yymsp[0].minor.yy182 = yylhsminor.yy182;
-        break;
-      case 81: /* literal_list ::= literal_list NK_COMMA literal */
-      case 102: /* expression_list ::= expression_list NK_COMMA expression */ yytestcase(yyruleno==102);
-{ yylhsminor.yy182 = addNodeToList(pCxt, yymsp[-2].minor.yy182, releaseRawExprNode(pCxt, yymsp[0].minor.yy210)); }
-  yymsp[-2].minor.yy182 = yylhsminor.yy182;
-        break;
-      case 82: /* db_name ::= NK_ID */
-      case 83: /* table_name ::= NK_ID */ yytestcase(yyruleno==83);
-      case 84: /* column_name ::= NK_ID */ yytestcase(yyruleno==84);
-      case 85: /* function_name ::= NK_ID */ yytestcase(yyruleno==85);
-      case 86: /* table_alias ::= NK_ID */ yytestcase(yyruleno==86);
-      case 87: /* column_alias ::= NK_ID */ yytestcase(yyruleno==87);
-{ yylhsminor.yy175 = yymsp[0].minor.yy0; }
-  yymsp[0].minor.yy175 = yylhsminor.yy175;
-        break;
-      case 90: /* expression ::= function_name NK_LP expression_list NK_RP */
-{ yylhsminor.yy210 = createRawExprNodeExt(pCxt, &yymsp[-3].minor.yy175, &yymsp[0].minor.yy0, createFunctionNode(pCxt, &yymsp[-3].minor.yy175, yymsp[-1].minor.yy182)); }
-  yymsp[-3].minor.yy210 = yylhsminor.yy210;
-        break;
-      case 91: /* expression ::= function_name NK_LP NK_STAR NK_RP */
-{ yylhsminor.yy210 = createRawExprNodeExt(pCxt, &yymsp[-3].minor.yy175, &yymsp[0].minor.yy0, createFunctionNode(pCxt, &yymsp[-3].minor.yy175, createNodeList(pCxt, createColumnNode(pCxt, NULL, &yymsp[-1].minor.yy0)))); }
-  yymsp[-3].minor.yy210 = yylhsminor.yy210;
-        break;
-      case 93: /* expression ::= NK_LP expression NK_RP */
-      case 129: /* boolean_primary ::= NK_LP boolean_value_expression NK_RP */ yytestcase(yyruleno==129);
-{ yylhsminor.yy210 = createRawExprNodeExt(pCxt, &yymsp[-2].minor.yy0, &yymsp[0].minor.yy0, releaseRawExprNode(pCxt, yymsp[-1].minor.yy210)); }
-  yymsp[-2].minor.yy210 = yylhsminor.yy210;
-        break;
-      case 94: /* expression ::= NK_PLUS expression */
+      case 80: /* type_name ::= DECIMAL NK_LP NK_INTEGER NK_RP */
+{ yymsp[-3].minor.yy240 = createDataType(TSDB_DATA_TYPE_DECIMAL); }
+        break;
+      case 81: /* type_name ::= DECIMAL NK_LP NK_INTEGER NK_COMMA NK_INTEGER NK_RP */
+{ yymsp[-5].minor.yy240 = createDataType(TSDB_DATA_TYPE_DECIMAL); }
+        break;
+      case 83: /* tags_def_opt ::= tags_def */
+      case 177: /* select_list ::= select_sublist */ yytestcase(yyruleno==177);
+{ yylhsminor.yy184 = yymsp[0].minor.yy184; }
+  yymsp[0].minor.yy184 = yylhsminor.yy184;
+        break;
+      case 84: /* tags_def ::= TAGS NK_LP column_def_list NK_RP */
+{ yymsp[-3].minor.yy184 = yymsp[-1].minor.yy184; }
+        break;
+      case 85: /* table_options ::= */
+{ yymsp[1].minor.yy334 = createDefaultTableOptions(pCxt);}
+        break;
+      case 86: /* table_options ::= table_options COMMENT NK_STRING */
+{ yylhsminor.yy334 = setTableOption(pCxt, yymsp[-2].minor.yy334, TABLE_OPTION_COMMENT, &yymsp[0].minor.yy0); }
+  yymsp[-2].minor.yy334 = yylhsminor.yy334;
+        break;
+      case 87: /* table_options ::= table_options KEEP NK_INTEGER */
+{ yylhsminor.yy334 = setTableOption(pCxt, yymsp[-2].minor.yy334, TABLE_OPTION_KEEP, &yymsp[0].minor.yy0); }
+  yymsp[-2].minor.yy334 = yylhsminor.yy334;
+        break;
+      case 88: /* table_options ::= table_options TTL NK_INTEGER */
+{ yylhsminor.yy334 = setTableOption(pCxt, yymsp[-2].minor.yy334, TABLE_OPTION_TTL, &yymsp[0].minor.yy0); }
+  yymsp[-2].minor.yy334 = yylhsminor.yy334;
+        break;
+      case 89: /* table_options ::= table_options SMA NK_LP col_name_list NK_RP */
+{ yylhsminor.yy334 = setTableSmaOption(pCxt, yymsp[-4].minor.yy334, yymsp[-1].minor.yy184); }
+  yymsp[-4].minor.yy334 = yylhsminor.yy334;
+        break;
+      case 92: /* col_name ::= column_name */
+{ yylhsminor.yy392 = createColumnNode(pCxt, NULL, &yymsp[0].minor.yy161); }
+  yymsp[0].minor.yy392 = yylhsminor.yy392;
+        break;
+      case 93: /* cmd ::= SHOW VGROUPS */
+{ pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_VGROUPS_STMT); }
+        break;
+      case 94: /* cmd ::= query_expression */
+{ pCxt->pRootNode = yymsp[0].minor.yy392; }
+        break;
+      case 95: /* literal ::= NK_INTEGER */
+{ yylhsminor.yy392 = createRawExprNode(pCxt, &yymsp[0].minor.yy0, createValueNode(pCxt, TSDB_DATA_TYPE_BIGINT, &yymsp[0].minor.yy0)); }
+  yymsp[0].minor.yy392 = yylhsminor.yy392;
+        break;
+      case 96: /* literal ::= NK_FLOAT */
+{ yylhsminor.yy392 = createRawExprNode(pCxt, &yymsp[0].minor.yy0, createValueNode(pCxt, TSDB_DATA_TYPE_DOUBLE, &yymsp[0].minor.yy0)); }
+  yymsp[0].minor.yy392 = yylhsminor.yy392;
+        break;
+      case 97: /* literal ::= NK_STRING */
+{ yylhsminor.yy392 = createRawExprNode(pCxt, &yymsp[0].minor.yy0, createValueNode(pCxt, TSDB_DATA_TYPE_BINARY, &yymsp[0].minor.yy0)); }
+  yymsp[0].minor.yy392 = yylhsminor.yy392;
+        break;
+      case 98: /* literal ::= NK_BOOL */
+{ yylhsminor.yy392 = createRawExprNode(pCxt, &yymsp[0].minor.yy0, createValueNode(pCxt, TSDB_DATA_TYPE_BOOL, &yymsp[0].minor.yy0)); }
+  yymsp[0].minor.yy392 = yylhsminor.yy392;
+        break;
+      case 99: /* literal ::= TIMESTAMP NK_STRING */
+{ yylhsminor.yy392 = createRawExprNodeExt(pCxt, &yymsp[-1].minor.yy0, &yymsp[0].minor.yy0, createValueNode(pCxt, TSDB_DATA_TYPE_TIMESTAMP, &yymsp[0].minor.yy0)); }
+  yymsp[-1].minor.yy392 = yylhsminor.yy392;
+        break;
+      case 100: /* literal ::= duration_literal */
+      case 111: /* expression ::= literal */ yytestcase(yyruleno==111);
+      case 112: /* expression ::= column_reference */ yytestcase(yyruleno==112);
+      case 115: /* expression ::= subquery */ yytestcase(yyruleno==115);
+      case 147: /* boolean_value_expression ::= boolean_primary */ yytestcase(yyruleno==147);
+      case 151: /* boolean_primary ::= predicate */ yytestcase(yyruleno==151);
+      case 153: /* common_expression ::= expression */ yytestcase(yyruleno==153);
+      case 154: /* common_expression ::= boolean_value_expression */ yytestcase(yyruleno==154);
+      case 156: /* table_reference_list ::= table_reference */ yytestcase(yyruleno==156);
+      case 158: /* table_reference ::= table_primary */ yytestcase(yyruleno==158);
+      case 159: /* table_reference ::= joined_table */ yytestcase(yyruleno==159);
+      case 163: /* table_primary ::= parenthesized_joined_table */ yytestcase(yyruleno==163);
+      case 210: /* query_expression_body ::= query_primary */ yytestcase(yyruleno==210);
+      case 212: /* query_primary ::= query_specification */ yytestcase(yyruleno==212);
+{ yylhsminor.yy392 = yymsp[0].minor.yy392; }
+  yymsp[0].minor.yy392 = yylhsminor.yy392;
+        break;
+      case 101: /* duration_literal ::= NK_VARIABLE */
+{ yylhsminor.yy392 = createRawExprNode(pCxt, &yymsp[0].minor.yy0, createDurationValueNode(pCxt, &yymsp[0].minor.yy0)); }
+  yymsp[0].minor.yy392 = yylhsminor.yy392;
+        break;
+      case 102: /* literal_list ::= literal */
+      case 124: /* expression_list ::= expression */ yytestcase(yyruleno==124);
+{ yylhsminor.yy184 = createNodeList(pCxt, releaseRawExprNode(pCxt, yymsp[0].minor.yy392)); }
+  yymsp[0].minor.yy184 = yylhsminor.yy184;
+        break;
+      case 103: /* literal_list ::= literal_list NK_COMMA literal */
+      case 125: /* expression_list ::= expression_list NK_COMMA expression */ yytestcase(yyruleno==125);
+{ yylhsminor.yy184 = addNodeToList(pCxt, yymsp[-2].minor.yy184, releaseRawExprNode(pCxt, yymsp[0].minor.yy392)); }
+  yymsp[-2].minor.yy184 = yylhsminor.yy184;
+        break;
+      case 113: /* expression ::= function_name NK_LP expression_list NK_RP */
+{ yylhsminor.yy392 = createRawExprNodeExt(pCxt, &yymsp[-3].minor.yy161, &yymsp[0].minor.yy0, createFunctionNode(pCxt, &yymsp[-3].minor.yy161, yymsp[-1].minor.yy184)); }
+  yymsp[-3].minor.yy392 = yylhsminor.yy392;
+        break;
+      case 114: /* expression ::= function_name NK_LP NK_STAR NK_RP */
+{ yylhsminor.yy392 = createRawExprNodeExt(pCxt, &yymsp[-3].minor.yy161, &yymsp[0].minor.yy0, createFunctionNode(pCxt, &yymsp[-3].minor.yy161, createNodeList(pCxt, createColumnNode(pCxt, NULL, &yymsp[-1].minor.yy0)))); }
+  yymsp[-3].minor.yy392 = yylhsminor.yy392;
+        break;
+      case 116: /* expression ::= NK_LP expression NK_RP */
+      case 152: /* boolean_primary ::= NK_LP boolean_value_expression NK_RP */ yytestcase(yyruleno==152);
+{ yylhsminor.yy392 = createRawExprNodeExt(pCxt, &yymsp[-2].minor.yy0, &yymsp[0].minor.yy0, releaseRawExprNode(pCxt, yymsp[-1].minor.yy392)); }
+  yymsp[-2].minor.yy392 = yylhsminor.yy392;
+        break;
+      case 117: /* expression ::= NK_PLUS expression */
 {
-                                                                                    SToken t = getTokenFromRawExprNode(pCxt, yymsp[0].minor.yy210);
-                                                                                    yylhsminor.yy210 = createRawExprNodeExt(pCxt, &yymsp[-1].minor.yy0, &t, releaseRawExprNode(pCxt, yymsp[0].minor.yy210));
+                                                                                    SToken t = getTokenFromRawExprNode(pCxt, yymsp[0].minor.yy392);
+                                                                                    yylhsminor.yy392 = createRawExprNodeExt(pCxt, &yymsp[-1].minor.yy0, &t, releaseRawExprNode(pCxt, yymsp[0].minor.yy392));
                                                                                   }
-  yymsp[-1].minor.yy210 = yylhsminor.yy210;
+  yymsp[-1].minor.yy392 = yylhsminor.yy392;
         break;
-      case 95: /* expression ::= NK_MINUS expression */
+      case 118: /* expression ::= NK_MINUS expression */
 {
-                                                                                    SToken t = getTokenFromRawExprNode(pCxt, yymsp[0].minor.yy210);
-                                                                                    yylhsminor.yy210 = createRawExprNodeExt(pCxt, &yymsp[-1].minor.yy0, &t, createOperatorNode(pCxt, OP_TYPE_SUB, releaseRawExprNode(pCxt, yymsp[0].minor.yy210), NULL));
+                                                                                    SToken t = getTokenFromRawExprNode(pCxt, yymsp[0].minor.yy392);
+                                                                                    yylhsminor.yy392 = createRawExprNodeExt(pCxt, &yymsp[-1].minor.yy0, &t, createOperatorNode(pCxt, OP_TYPE_SUB, releaseRawExprNode(pCxt, yymsp[0].minor.yy392), NULL));
                                                                                   }
-  yymsp[-1].minor.yy210 = yylhsminor.yy210;
+  yymsp[-1].minor.yy392 = yylhsminor.yy392;
         break;
-      case 96: /* expression ::= expression NK_PLUS expression */
+      case 119: /* expression ::= expression NK_PLUS expression */
 {
-                                                                                    SToken s = getTokenFromRawExprNode(pCxt, yymsp[-2].minor.yy210);
-                                                                                    SToken e = getTokenFromRawExprNode(pCxt, yymsp[0].minor.yy210);
-                                                                                    yylhsminor.yy210 = createRawExprNodeExt(pCxt, &s, &e, createOperatorNode(pCxt, OP_TYPE_ADD, releaseRawExprNode(pCxt, yymsp[-2].minor.yy210), releaseRawExprNode(pCxt, yymsp[0].minor.yy210))); 
+                                                                                    SToken s = getTokenFromRawExprNode(pCxt, yymsp[-2].minor.yy392);
+                                                                                    SToken e = getTokenFromRawExprNode(pCxt, yymsp[0].minor.yy392);
+                                                                                    yylhsminor.yy392 = createRawExprNodeExt(pCxt, &s, &e, createOperatorNode(pCxt, OP_TYPE_ADD, releaseRawExprNode(pCxt, yymsp[-2].minor.yy392), releaseRawExprNode(pCxt, yymsp[0].minor.yy392))); 
                                                                                   }
-  yymsp[-2].minor.yy210 = yylhsminor.yy210;
+  yymsp[-2].minor.yy392 = yylhsminor.yy392;
         break;
-      case 97: /* expression ::= expression NK_MINUS expression */
+      case 120: /* expression ::= expression NK_MINUS expression */
 {
-                                                                                    SToken s = getTokenFromRawExprNode(pCxt, yymsp[-2].minor.yy210);
-                                                                                    SToken e = getTokenFromRawExprNode(pCxt, yymsp[0].minor.yy210);
-                                                                                    yylhsminor.yy210 = createRawExprNodeExt(pCxt, &s, &e, createOperatorNode(pCxt, OP_TYPE_SUB, releaseRawExprNode(pCxt, yymsp[-2].minor.yy210), releaseRawExprNode(pCxt, yymsp[0].minor.yy210))); 
+                                                                                    SToken s = getTokenFromRawExprNode(pCxt, yymsp[-2].minor.yy392);
+                                                                                    SToken e = getTokenFromRawExprNode(pCxt, yymsp[0].minor.yy392);
+                                                                                    yylhsminor.yy392 = createRawExprNodeExt(pCxt, &s, &e, createOperatorNode(pCxt, OP_TYPE_SUB, releaseRawExprNode(pCxt, yymsp[-2].minor.yy392), releaseRawExprNode(pCxt, yymsp[0].minor.yy392))); 
                                                                                   }
-  yymsp[-2].minor.yy210 = yylhsminor.yy210;
+  yymsp[-2].minor.yy392 = yylhsminor.yy392;
         break;
-      case 98: /* expression ::= expression NK_STAR expression */
+      case 121: /* expression ::= expression NK_STAR expression */
 {
-                                                                                    SToken s = getTokenFromRawExprNode(pCxt, yymsp[-2].minor.yy210);
-                                                                                    SToken e = getTokenFromRawExprNode(pCxt, yymsp[0].minor.yy210);
-                                                                                    yylhsminor.yy210 = createRawExprNodeExt(pCxt, &s, &e, createOperatorNode(pCxt, OP_TYPE_MULTI, releaseRawExprNode(pCxt, yymsp[-2].minor.yy210), releaseRawExprNode(pCxt, yymsp[0].minor.yy210))); 
+                                                                                    SToken s = getTokenFromRawExprNode(pCxt, yymsp[-2].minor.yy392);
+                                                                                    SToken e = getTokenFromRawExprNode(pCxt, yymsp[0].minor.yy392);
+                                                                                    yylhsminor.yy392 = createRawExprNodeExt(pCxt, &s, &e, createOperatorNode(pCxt, OP_TYPE_MULTI, releaseRawExprNode(pCxt, yymsp[-2].minor.yy392), releaseRawExprNode(pCxt, yymsp[0].minor.yy392))); 
                                                                                   }
-  yymsp[-2].minor.yy210 = yylhsminor.yy210;
+  yymsp[-2].minor.yy392 = yylhsminor.yy392;
         break;
-      case 99: /* expression ::= expression NK_SLASH expression */
+      case 122: /* expression ::= expression NK_SLASH expression */
 {
-                                                                                    SToken s = getTokenFromRawExprNode(pCxt, yymsp[-2].minor.yy210);
-                                                                                    SToken e = getTokenFromRawExprNode(pCxt, yymsp[0].minor.yy210);
-                                                                                    yylhsminor.yy210 = createRawExprNodeExt(pCxt, &s, &e, createOperatorNode(pCxt, OP_TYPE_DIV, releaseRawExprNode(pCxt, yymsp[-2].minor.yy210), releaseRawExprNode(pCxt, yymsp[0].minor.yy210))); 
+                                                                                    SToken s = getTokenFromRawExprNode(pCxt, yymsp[-2].minor.yy392);
+                                                                                    SToken e = getTokenFromRawExprNode(pCxt, yymsp[0].minor.yy392);
+                                                                                    yylhsminor.yy392 = createRawExprNodeExt(pCxt, &s, &e, createOperatorNode(pCxt, OP_TYPE_DIV, releaseRawExprNode(pCxt, yymsp[-2].minor.yy392), releaseRawExprNode(pCxt, yymsp[0].minor.yy392))); 
                                                                                   }
-  yymsp[-2].minor.yy210 = yylhsminor.yy210;
+  yymsp[-2].minor.yy392 = yylhsminor.yy392;
         break;
-      case 100: /* expression ::= expression NK_REM expression */
+      case 123: /* expression ::= expression NK_REM expression */
 {
-                                                                                    SToken s = getTokenFromRawExprNode(pCxt, yymsp[-2].minor.yy210);
-                                                                                    SToken e = getTokenFromRawExprNode(pCxt, yymsp[0].minor.yy210);
-                                                                                    yylhsminor.yy210 = createRawExprNodeExt(pCxt, &s, &e, createOperatorNode(pCxt, OP_TYPE_MOD, releaseRawExprNode(pCxt, yymsp[-2].minor.yy210), releaseRawExprNode(pCxt, yymsp[0].minor.yy210))); 
+                                                                                    SToken s = getTokenFromRawExprNode(pCxt, yymsp[-2].minor.yy392);
+                                                                                    SToken e = getTokenFromRawExprNode(pCxt, yymsp[0].minor.yy392);
+                                                                                    yylhsminor.yy392 = createRawExprNodeExt(pCxt, &s, &e, createOperatorNode(pCxt, OP_TYPE_MOD, releaseRawExprNode(pCxt, yymsp[-2].minor.yy392), releaseRawExprNode(pCxt, yymsp[0].minor.yy392))); 
                                                                                   }
-  yymsp[-2].minor.yy210 = yylhsminor.yy210;
+  yymsp[-2].minor.yy392 = yylhsminor.yy392;
         break;
-      case 103: /* column_reference ::= column_name */
-{ yylhsminor.yy210 = createRawExprNode(pCxt, &yymsp[0].minor.yy175, createColumnNode(pCxt, NULL, &yymsp[0].minor.yy175)); }
-  yymsp[0].minor.yy210 = yylhsminor.yy210;
+      case 126: /* column_reference ::= column_name */
+{ yylhsminor.yy392 = createRawExprNode(pCxt, &yymsp[0].minor.yy161, createColumnNode(pCxt, NULL, &yymsp[0].minor.yy161)); }
+  yymsp[0].minor.yy392 = yylhsminor.yy392;
         break;
-      case 104: /* column_reference ::= table_name NK_DOT column_name */
-{ yylhsminor.yy210 = createRawExprNodeExt(pCxt, &yymsp[-2].minor.yy175, &yymsp[0].minor.yy175, createColumnNode(pCxt, &yymsp[-2].minor.yy175, &yymsp[0].minor.yy175)); }
-  yymsp[-2].minor.yy210 = yylhsminor.yy210;
+      case 127: /* column_reference ::= table_name NK_DOT column_name */
+{ yylhsminor.yy392 = createRawExprNodeExt(pCxt, &yymsp[-2].minor.yy161, &yymsp[0].minor.yy161, createColumnNode(pCxt, &yymsp[-2].minor.yy161, &yymsp[0].minor.yy161)); }
+  yymsp[-2].minor.yy392 = yylhsminor.yy392;
         break;
-      case 105: /* predicate ::= expression compare_op expression */
-      case 110: /* predicate ::= expression in_op in_predicate_value */ yytestcase(yyruleno==110);
+      case 128: /* predicate ::= expression compare_op expression */
+      case 133: /* predicate ::= expression in_op in_predicate_value */ yytestcase(yyruleno==133);
 {
-                                                                                    SToken s = getTokenFromRawExprNode(pCxt, yymsp[-2].minor.yy210);
-                                                                                    SToken e = getTokenFromRawExprNode(pCxt, yymsp[0].minor.yy210);
-                                                                                    yylhsminor.yy210 = createRawExprNodeExt(pCxt, &s, &e, createOperatorNode(pCxt, yymsp[-1].minor.yy140, releaseRawExprNode(pCxt, yymsp[-2].minor.yy210), releaseRawExprNode(pCxt, yymsp[0].minor.yy210)));
+                                                                                    SToken s = getTokenFromRawExprNode(pCxt, yymsp[-2].minor.yy392);
+                                                                                    SToken e = getTokenFromRawExprNode(pCxt, yymsp[0].minor.yy392);
+                                                                                    yylhsminor.yy392 = createRawExprNodeExt(pCxt, &s, &e, createOperatorNode(pCxt, yymsp[-1].minor.yy220, releaseRawExprNode(pCxt, yymsp[-2].minor.yy392), releaseRawExprNode(pCxt, yymsp[0].minor.yy392)));
                                                                                   }
-  yymsp[-2].minor.yy210 = yylhsminor.yy210;
+  yymsp[-2].minor.yy392 = yylhsminor.yy392;
         break;
-      case 106: /* predicate ::= expression BETWEEN expression AND expression */
+      case 129: /* predicate ::= expression BETWEEN expression AND expression */
 {
-                                                                                    SToken s = getTokenFromRawExprNode(pCxt, yymsp[-4].minor.yy210);
-                                                                                    SToken e = getTokenFromRawExprNode(pCxt, yymsp[0].minor.yy210);
-                                                                                    yylhsminor.yy210 = createRawExprNodeExt(pCxt, &s, &e, createBetweenAnd(pCxt, releaseRawExprNode(pCxt, yymsp[-4].minor.yy210), releaseRawExprNode(pCxt, yymsp[-2].minor.yy210), releaseRawExprNode(pCxt, yymsp[0].minor.yy210)));
+                                                                                    SToken s = getTokenFromRawExprNode(pCxt, yymsp[-4].minor.yy392);
+                                                                                    SToken e = getTokenFromRawExprNode(pCxt, yymsp[0].minor.yy392);
+                                                                                    yylhsminor.yy392 = createRawExprNodeExt(pCxt, &s, &e, createBetweenAnd(pCxt, releaseRawExprNode(pCxt, yymsp[-4].minor.yy392), releaseRawExprNode(pCxt, yymsp[-2].minor.yy392), releaseRawExprNode(pCxt, yymsp[0].minor.yy392)));
                                                                                   }
-  yymsp[-4].minor.yy210 = yylhsminor.yy210;
+  yymsp[-4].minor.yy392 = yylhsminor.yy392;
         break;
-      case 107: /* predicate ::= expression NOT BETWEEN expression AND expression */
+      case 130: /* predicate ::= expression NOT BETWEEN expression AND expression */
 {
-                                                                                    SToken s = getTokenFromRawExprNode(pCxt, yymsp[-5].minor.yy210);
-                                                                                    SToken e = getTokenFromRawExprNode(pCxt, yymsp[0].minor.yy210);
-                                                                                    yylhsminor.yy210 = createRawExprNodeExt(pCxt, &s, &e, createNotBetweenAnd(pCxt, releaseRawExprNode(pCxt, yymsp[-2].minor.yy210), releaseRawExprNode(pCxt, yymsp[-5].minor.yy210), releaseRawExprNode(pCxt, yymsp[0].minor.yy210)));
+                                                                                    SToken s = getTokenFromRawExprNode(pCxt, yymsp[-5].minor.yy392);
+                                                                                    SToken e = getTokenFromRawExprNode(pCxt, yymsp[0].minor.yy392);
+                                                                                    yylhsminor.yy392 = createRawExprNodeExt(pCxt, &s, &e, createNotBetweenAnd(pCxt, releaseRawExprNode(pCxt, yymsp[-2].minor.yy392), releaseRawExprNode(pCxt, yymsp[-5].minor.yy392), releaseRawExprNode(pCxt, yymsp[0].minor.yy392)));
                                                                                   }
-  yymsp[-5].minor.yy210 = yylhsminor.yy210;
+  yymsp[-5].minor.yy392 = yylhsminor.yy392;
         break;
-      case 108: /* predicate ::= expression IS NULL */
+      case 131: /* predicate ::= expression IS NULL */
 {
-                                                                                    SToken s = getTokenFromRawExprNode(pCxt, yymsp[-2].minor.yy210);
-                                                                                    yylhsminor.yy210 = createRawExprNodeExt(pCxt, &s, &yymsp[0].minor.yy0, createOperatorNode(pCxt, OP_TYPE_IS_NULL, releaseRawExprNode(pCxt, yymsp[-2].minor.yy210), NULL));
+                                                                                    SToken s = getTokenFromRawExprNode(pCxt, yymsp[-2].minor.yy392);
+                                                                                    yylhsminor.yy392 = createRawExprNodeExt(pCxt, &s, &yymsp[0].minor.yy0, createOperatorNode(pCxt, OP_TYPE_IS_NULL, releaseRawExprNode(pCxt, yymsp[-2].minor.yy392), NULL));
                                                                                   }
-  yymsp[-2].minor.yy210 = yylhsminor.yy210;
+  yymsp[-2].minor.yy392 = yylhsminor.yy392;
         break;
-      case 109: /* predicate ::= expression IS NOT NULL */
+      case 132: /* predicate ::= expression IS NOT NULL */
 {
-                                                                                    SToken s = getTokenFromRawExprNode(pCxt, yymsp[-3].minor.yy210);
-                                                                                    yylhsminor.yy210 = createRawExprNodeExt(pCxt, &s, &yymsp[0].minor.yy0, createOperatorNode(pCxt, OP_TYPE_IS_NOT_NULL, releaseRawExprNode(pCxt, yymsp[-3].minor.yy210), NULL));
+                                                                                    SToken s = getTokenFromRawExprNode(pCxt, yymsp[-3].minor.yy392);
+                                                                                    yylhsminor.yy392 = createRawExprNodeExt(pCxt, &s, &yymsp[0].minor.yy0, createOperatorNode(pCxt, OP_TYPE_IS_NOT_NULL, releaseRawExprNode(pCxt, yymsp[-3].minor.yy392), NULL));
                                                                                   }
-  yymsp[-3].minor.yy210 = yylhsminor.yy210;
+  yymsp[-3].minor.yy392 = yylhsminor.yy392;
         break;
-      case 111: /* compare_op ::= NK_LT */
-{ yymsp[0].minor.yy140 = OP_TYPE_LOWER_THAN; }
+      case 134: /* compare_op ::= NK_LT */
+{ yymsp[0].minor.yy220 = OP_TYPE_LOWER_THAN; }
         break;
-      case 112: /* compare_op ::= NK_GT */
-{ yymsp[0].minor.yy140 = OP_TYPE_GREATER_THAN; }
+      case 135: /* compare_op ::= NK_GT */
+{ yymsp[0].minor.yy220 = OP_TYPE_GREATER_THAN; }
         break;
-      case 113: /* compare_op ::= NK_LE */
-{ yymsp[0].minor.yy140 = OP_TYPE_LOWER_EQUAL; }
+      case 136: /* compare_op ::= NK_LE */
+{ yymsp[0].minor.yy220 = OP_TYPE_LOWER_EQUAL; }
         break;
-      case 114: /* compare_op ::= NK_GE */
-{ yymsp[0].minor.yy140 = OP_TYPE_GREATER_EQUAL; }
+      case 137: /* compare_op ::= NK_GE */
+{ yymsp[0].minor.yy220 = OP_TYPE_GREATER_EQUAL; }
         break;
-      case 115: /* compare_op ::= NK_NE */
-{ yymsp[0].minor.yy140 = OP_TYPE_NOT_EQUAL; }
+      case 138: /* compare_op ::= NK_NE */
+{ yymsp[0].minor.yy220 = OP_TYPE_NOT_EQUAL; }
         break;
-      case 116: /* compare_op ::= NK_EQ */
-{ yymsp[0].minor.yy140 = OP_TYPE_EQUAL; }
+      case 139: /* compare_op ::= NK_EQ */
+{ yymsp[0].minor.yy220 = OP_TYPE_EQUAL; }
         break;
-      case 117: /* compare_op ::= LIKE */
-{ yymsp[0].minor.yy140 = OP_TYPE_LIKE; }
+      case 140: /* compare_op ::= LIKE */
+{ yymsp[0].minor.yy220 = OP_TYPE_LIKE; }
         break;
-      case 118: /* compare_op ::= NOT LIKE */
-{ yymsp[-1].minor.yy140 = OP_TYPE_NOT_LIKE; }
+      case 141: /* compare_op ::= NOT LIKE */
+{ yymsp[-1].minor.yy220 = OP_TYPE_NOT_LIKE; }
         break;
-      case 119: /* compare_op ::= MATCH */
-{ yymsp[0].minor.yy140 = OP_TYPE_MATCH; }
+      case 142: /* compare_op ::= MATCH */
+{ yymsp[0].minor.yy220 = OP_TYPE_MATCH; }
         break;
-      case 120: /* compare_op ::= NMATCH */
-{ yymsp[0].minor.yy140 = OP_TYPE_NMATCH; }
+      case 143: /* compare_op ::= NMATCH */
+{ yymsp[0].minor.yy220 = OP_TYPE_NMATCH; }
         break;
-      case 121: /* in_op ::= IN */
-{ yymsp[0].minor.yy140 = OP_TYPE_IN; }
+      case 144: /* in_op ::= IN */
+{ yymsp[0].minor.yy220 = OP_TYPE_IN; }
         break;
-      case 122: /* in_op ::= NOT IN */
-{ yymsp[-1].minor.yy140 = OP_TYPE_NOT_IN; }
+      case 145: /* in_op ::= NOT IN */
+{ yymsp[-1].minor.yy220 = OP_TYPE_NOT_IN; }
         break;
-      case 123: /* in_predicate_value ::= NK_LP expression_list NK_RP */
-{ yylhsminor.yy210 = createRawExprNodeExt(pCxt, &yymsp[-2].minor.yy0, &yymsp[0].minor.yy0, createNodeListNode(pCxt, yymsp[-1].minor.yy182)); }
-  yymsp[-2].minor.yy210 = yylhsminor.yy210;
+      case 146: /* in_predicate_value ::= NK_LP expression_list NK_RP */
+{ yylhsminor.yy392 = createRawExprNodeExt(pCxt, &yymsp[-2].minor.yy0, &yymsp[0].minor.yy0, createNodeListNode(pCxt, yymsp[-1].minor.yy184)); }
+  yymsp[-2].minor.yy392 = yylhsminor.yy392;
         break;
-      case 125: /* boolean_value_expression ::= NOT boolean_primary */
+      case 148: /* boolean_value_expression ::= NOT boolean_primary */
 {
-                                                                                    SToken e = getTokenFromRawExprNode(pCxt, yymsp[0].minor.yy210);
-                                                                                    yylhsminor.yy210 = createRawExprNodeExt(pCxt, &yymsp[-1].minor.yy0, &e, createLogicConditionNode(pCxt, LOGIC_COND_TYPE_NOT, releaseRawExprNode(pCxt, yymsp[0].minor.yy210), NULL));
+                                                                                    SToken e = getTokenFromRawExprNode(pCxt, yymsp[0].minor.yy392);
+                                                                                    yylhsminor.yy392 = createRawExprNodeExt(pCxt, &yymsp[-1].minor.yy0, &e, createLogicConditionNode(pCxt, LOGIC_COND_TYPE_NOT, releaseRawExprNode(pCxt, yymsp[0].minor.yy392), NULL));
                                                                                   }
-  yymsp[-1].minor.yy210 = yylhsminor.yy210;
+  yymsp[-1].minor.yy392 = yylhsminor.yy392;
         break;
-      case 126: /* boolean_value_expression ::= boolean_value_expression OR boolean_value_expression */
+      case 149: /* boolean_value_expression ::= boolean_value_expression OR boolean_value_expression */
 {
-                                                                                    SToken s = getTokenFromRawExprNode(pCxt, yymsp[-2].minor.yy210);
-                                                                                    SToken e = getTokenFromRawExprNode(pCxt, yymsp[0].minor.yy210);
-                                                                                    yylhsminor.yy210 = createRawExprNodeExt(pCxt, &s, &e, createLogicConditionNode(pCxt, LOGIC_COND_TYPE_OR, releaseRawExprNode(pCxt, yymsp[-2].minor.yy210), releaseRawExprNode(pCxt, yymsp[0].minor.yy210)));
+                                                                                    SToken s = getTokenFromRawExprNode(pCxt, yymsp[-2].minor.yy392);
+                                                                                    SToken e = getTokenFromRawExprNode(pCxt, yymsp[0].minor.yy392);
+                                                                                    yylhsminor.yy392 = createRawExprNodeExt(pCxt, &s, &e, createLogicConditionNode(pCxt, LOGIC_COND_TYPE_OR, releaseRawExprNode(pCxt, yymsp[-2].minor.yy392), releaseRawExprNode(pCxt, yymsp[0].minor.yy392)));
                                                                                   }
-  yymsp[-2].minor.yy210 = yylhsminor.yy210;
+  yymsp[-2].minor.yy392 = yylhsminor.yy392;
         break;
-      case 127: /* boolean_value_expression ::= boolean_value_expression AND boolean_value_expression */
+      case 150: /* boolean_value_expression ::= boolean_value_expression AND boolean_value_expression */
 {
-                                                                                    SToken s = getTokenFromRawExprNode(pCxt, yymsp[-2].minor.yy210);
-                                                                                    SToken e = getTokenFromRawExprNode(pCxt, yymsp[0].minor.yy210);
-                                                                                    yylhsminor.yy210 = createRawExprNodeExt(pCxt, &s, &e, createLogicConditionNode(pCxt, LOGIC_COND_TYPE_AND, releaseRawExprNode(pCxt, yymsp[-2].minor.yy210), releaseRawExprNode(pCxt, yymsp[0].minor.yy210)));
+                                                                                    SToken s = getTokenFromRawExprNode(pCxt, yymsp[-2].minor.yy392);
+                                                                                    SToken e = getTokenFromRawExprNode(pCxt, yymsp[0].minor.yy392);
+                                                                                    yylhsminor.yy392 = createRawExprNodeExt(pCxt, &s, &e, createLogicConditionNode(pCxt, LOGIC_COND_TYPE_AND, releaseRawExprNode(pCxt, yymsp[-2].minor.yy392), releaseRawExprNode(pCxt, yymsp[0].minor.yy392)));
                                                                                   }
-  yymsp[-2].minor.yy210 = yylhsminor.yy210;
+  yymsp[-2].minor.yy392 = yylhsminor.yy392;
         break;
-      case 132: /* from_clause ::= FROM table_reference_list */
-      case 162: /* where_clause_opt ::= WHERE search_condition */ yytestcase(yyruleno==162);
-      case 185: /* having_clause_opt ::= HAVING search_condition */ yytestcase(yyruleno==185);
-{ yymsp[-1].minor.yy210 = yymsp[0].minor.yy210; }
+      case 155: /* from_clause ::= FROM table_reference_list */
+      case 185: /* where_clause_opt ::= WHERE search_condition */ yytestcase(yyruleno==185);
+      case 208: /* having_clause_opt ::= HAVING search_condition */ yytestcase(yyruleno==208);
+{ yymsp[-1].minor.yy392 = yymsp[0].minor.yy392; }
         break;
-      case 134: /* table_reference_list ::= table_reference_list NK_COMMA table_reference */
-{ yylhsminor.yy210 = createJoinTableNode(pCxt, JOIN_TYPE_INNER, yymsp[-2].minor.yy210, yymsp[0].minor.yy210, NULL); }
-  yymsp[-2].minor.yy210 = yylhsminor.yy210;
+      case 157: /* table_reference_list ::= table_reference_list NK_COMMA table_reference */
+{ yylhsminor.yy392 = createJoinTableNode(pCxt, JOIN_TYPE_INNER, yymsp[-2].minor.yy392, yymsp[0].minor.yy392, NULL); }
+  yymsp[-2].minor.yy392 = yylhsminor.yy392;
         break;
-      case 137: /* table_primary ::= table_name alias_opt */
-{ yylhsminor.yy210 = createRealTableNode(pCxt, NULL, &yymsp[-1].minor.yy175, &yymsp[0].minor.yy175); }
-  yymsp[-1].minor.yy210 = yylhsminor.yy210;
+      case 160: /* table_primary ::= table_name alias_opt */
+{ yylhsminor.yy392 = createRealTableNode(pCxt, NULL, &yymsp[-1].minor.yy161, &yymsp[0].minor.yy161); }
+  yymsp[-1].minor.yy392 = yylhsminor.yy392;
         break;
-      case 138: /* table_primary ::= db_name NK_DOT table_name alias_opt */
-{ yylhsminor.yy210 = createRealTableNode(pCxt, &yymsp[-3].minor.yy175, &yymsp[-1].minor.yy175, &yymsp[0].minor.yy175); }
-  yymsp[-3].minor.yy210 = yylhsminor.yy210;
+      case 161: /* table_primary ::= db_name NK_DOT table_name alias_opt */
+{ yylhsminor.yy392 = createRealTableNode(pCxt, &yymsp[-3].minor.yy161, &yymsp[-1].minor.yy161, &yymsp[0].minor.yy161); }
+  yymsp[-3].minor.yy392 = yylhsminor.yy392;
         break;
-      case 139: /* table_primary ::= subquery alias_opt */
-{ yylhsminor.yy210 = createTempTableNode(pCxt, releaseRawExprNode(pCxt, yymsp[-1].minor.yy210), &yymsp[0].minor.yy175); }
-  yymsp[-1].minor.yy210 = yylhsminor.yy210;
+      case 162: /* table_primary ::= subquery alias_opt */
+{ yylhsminor.yy392 = createTempTableNode(pCxt, releaseRawExprNode(pCxt, yymsp[-1].minor.yy392), &yymsp[0].minor.yy161); }
+  yymsp[-1].minor.yy392 = yylhsminor.yy392;
         break;
-      case 141: /* alias_opt ::= */
-{ yymsp[1].minor.yy175 = nil_token;  }
+      case 164: /* alias_opt ::= */
+{ yymsp[1].minor.yy161 = nil_token;  }
         break;
-      case 142: /* alias_opt ::= table_alias */
-{ yylhsminor.yy175 = yymsp[0].minor.yy175; }
-  yymsp[0].minor.yy175 = yylhsminor.yy175;
+      case 165: /* alias_opt ::= table_alias */
+{ yylhsminor.yy161 = yymsp[0].minor.yy161; }
+  yymsp[0].minor.yy161 = yylhsminor.yy161;
         break;
-      case 143: /* alias_opt ::= AS table_alias */
-{ yymsp[-1].minor.yy175 = yymsp[0].minor.yy175; }
+      case 166: /* alias_opt ::= AS table_alias */
+{ yymsp[-1].minor.yy161 = yymsp[0].minor.yy161; }
         break;
-      case 144: /* parenthesized_joined_table ::= NK_LP joined_table NK_RP */
-      case 145: /* parenthesized_joined_table ::= NK_LP parenthesized_joined_table NK_RP */ yytestcase(yyruleno==145);
-{ yymsp[-2].minor.yy210 = yymsp[-1].minor.yy210; }
+      case 167: /* parenthesized_joined_table ::= NK_LP joined_table NK_RP */
+      case 168: /* parenthesized_joined_table ::= NK_LP parenthesized_joined_table NK_RP */ yytestcase(yyruleno==168);
+{ yymsp[-2].minor.yy392 = yymsp[-1].minor.yy392; }
         break;
-      case 146: /* joined_table ::= table_reference join_type JOIN table_reference ON search_condition */
-{ yylhsminor.yy210 = createJoinTableNode(pCxt, yymsp[-4].minor.yy28, yymsp[-5].minor.yy210, yymsp[-2].minor.yy210, yymsp[0].minor.yy210); }
-  yymsp[-5].minor.yy210 = yylhsminor.yy210;
+      case 169: /* joined_table ::= table_reference join_type JOIN table_reference ON search_condition */
+{ yylhsminor.yy392 = createJoinTableNode(pCxt, yymsp[-4].minor.yy308, yymsp[-5].minor.yy392, yymsp[-2].minor.yy392, yymsp[0].minor.yy392); }
+  yymsp[-5].minor.yy392 = yylhsminor.yy392;
         break;
-      case 147: /* join_type ::= */
-{ yymsp[1].minor.yy28 = JOIN_TYPE_INNER; }
+      case 170: /* join_type ::= */
+{ yymsp[1].minor.yy308 = JOIN_TYPE_INNER; }
         break;
-      case 148: /* join_type ::= INNER */
-{ yymsp[0].minor.yy28 = JOIN_TYPE_INNER; }
+      case 171: /* join_type ::= INNER */
+{ yymsp[0].minor.yy308 = JOIN_TYPE_INNER; }
         break;
-      case 149: /* query_specification ::= SELECT set_quantifier_opt select_list from_clause where_clause_opt partition_by_clause_opt twindow_clause_opt group_by_clause_opt having_clause_opt */
+      case 172: /* query_specification ::= SELECT set_quantifier_opt select_list from_clause where_clause_opt partition_by_clause_opt twindow_clause_opt group_by_clause_opt having_clause_opt */
 { 
-                                                                                    yymsp[-8].minor.yy210 = createSelectStmt(pCxt, yymsp[-7].minor.yy187, yymsp[-6].minor.yy182, yymsp[-5].minor.yy210);
-                                                                                    yymsp[-8].minor.yy210 = addWhereClause(pCxt, yymsp[-8].minor.yy210, yymsp[-4].minor.yy210);
-                                                                                    yymsp[-8].minor.yy210 = addPartitionByClause(pCxt, yymsp[-8].minor.yy210, yymsp[-3].minor.yy182);
-                                                                                    yymsp[-8].minor.yy210 = addWindowClauseClause(pCxt, yymsp[-8].minor.yy210, yymsp[-2].minor.yy210);
-                                                                                    yymsp[-8].minor.yy210 = addGroupByClause(pCxt, yymsp[-8].minor.yy210, yymsp[-1].minor.yy182);
-                                                                                    yymsp[-8].minor.yy210 = addHavingClause(pCxt, yymsp[-8].minor.yy210, yymsp[0].minor.yy210);
+                                                                                    yymsp[-8].minor.yy392 = createSelectStmt(pCxt, yymsp[-7].minor.yy377, yymsp[-6].minor.yy184, yymsp[-5].minor.yy392);
+                                                                                    yymsp[-8].minor.yy392 = addWhereClause(pCxt, yymsp[-8].minor.yy392, yymsp[-4].minor.yy392);
+                                                                                    yymsp[-8].minor.yy392 = addPartitionByClause(pCxt, yymsp[-8].minor.yy392, yymsp[-3].minor.yy184);
+                                                                                    yymsp[-8].minor.yy392 = addWindowClauseClause(pCxt, yymsp[-8].minor.yy392, yymsp[-2].minor.yy392);
+                                                                                    yymsp[-8].minor.yy392 = addGroupByClause(pCxt, yymsp[-8].minor.yy392, yymsp[-1].minor.yy184);
+                                                                                    yymsp[-8].minor.yy392 = addHavingClause(pCxt, yymsp[-8].minor.yy392, yymsp[0].minor.yy392);
                                                                                   }
         break;
-      case 151: /* set_quantifier_opt ::= DISTINCT */
-{ yymsp[0].minor.yy187 = true; }
+      case 174: /* set_quantifier_opt ::= DISTINCT */
+{ yymsp[0].minor.yy377 = true; }
         break;
-      case 152: /* set_quantifier_opt ::= ALL */
-{ yymsp[0].minor.yy187 = false; }
+      case 175: /* set_quantifier_opt ::= ALL */
+{ yymsp[0].minor.yy377 = false; }
         break;
-      case 153: /* select_list ::= NK_STAR */
-{ yymsp[0].minor.yy182 = NULL; }
+      case 176: /* select_list ::= NK_STAR */
+{ yymsp[0].minor.yy184 = NULL; }
         break;
-      case 157: /* select_item ::= common_expression */
+      case 180: /* select_item ::= common_expression */
 {
-                                                                                    SToken t = getTokenFromRawExprNode(pCxt, yymsp[0].minor.yy210);
-                                                                                    yylhsminor.yy210 = setProjectionAlias(pCxt, releaseRawExprNode(pCxt, yymsp[0].minor.yy210), &t);
+                                                                                    SToken t = getTokenFromRawExprNode(pCxt, yymsp[0].minor.yy392);
+                                                                                    yylhsminor.yy392 = setProjectionAlias(pCxt, releaseRawExprNode(pCxt, yymsp[0].minor.yy392), &t);
                                                                                   }
-  yymsp[0].minor.yy210 = yylhsminor.yy210;
+  yymsp[0].minor.yy392 = yylhsminor.yy392;
         break;
-      case 158: /* select_item ::= common_expression column_alias */
-{ yylhsminor.yy210 = setProjectionAlias(pCxt, releaseRawExprNode(pCxt, yymsp[-1].minor.yy210), &yymsp[0].minor.yy175); }
-  yymsp[-1].minor.yy210 = yylhsminor.yy210;
+      case 181: /* select_item ::= common_expression column_alias */
+{ yylhsminor.yy392 = setProjectionAlias(pCxt, releaseRawExprNode(pCxt, yymsp[-1].minor.yy392), &yymsp[0].minor.yy161); }
+  yymsp[-1].minor.yy392 = yylhsminor.yy392;
         break;
-      case 159: /* select_item ::= common_expression AS column_alias */
-{ yylhsminor.yy210 = setProjectionAlias(pCxt, releaseRawExprNode(pCxt, yymsp[-2].minor.yy210), &yymsp[0].minor.yy175); }
-  yymsp[-2].minor.yy210 = yylhsminor.yy210;
+      case 182: /* select_item ::= common_expression AS column_alias */
+{ yylhsminor.yy392 = setProjectionAlias(pCxt, releaseRawExprNode(pCxt, yymsp[-2].minor.yy392), &yymsp[0].minor.yy161); }
+  yymsp[-2].minor.yy392 = yylhsminor.yy392;
         break;
-      case 160: /* select_item ::= table_name NK_DOT NK_STAR */
-{ yylhsminor.yy210 = createColumnNode(pCxt, &yymsp[-2].minor.yy175, &yymsp[0].minor.yy0); }
-  yymsp[-2].minor.yy210 = yylhsminor.yy210;
+      case 183: /* select_item ::= table_name NK_DOT NK_STAR */
+{ yylhsminor.yy392 = createColumnNode(pCxt, &yymsp[-2].minor.yy161, &yymsp[0].minor.yy0); }
+  yymsp[-2].minor.yy392 = yylhsminor.yy392;
         break;
-      case 161: /* where_clause_opt ::= */
-      case 165: /* twindow_clause_opt ::= */ yytestcase(yyruleno==165);
-      case 170: /* sliding_opt ::= */ yytestcase(yyruleno==170);
-      case 172: /* fill_opt ::= */ yytestcase(yyruleno==172);
-      case 184: /* having_clause_opt ::= */ yytestcase(yyruleno==184);
-      case 192: /* slimit_clause_opt ::= */ yytestcase(yyruleno==192);
-      case 196: /* limit_clause_opt ::= */ yytestcase(yyruleno==196);
-{ yymsp[1].minor.yy210 = NULL; }
+      case 184: /* where_clause_opt ::= */
+      case 188: /* twindow_clause_opt ::= */ yytestcase(yyruleno==188);
+      case 193: /* sliding_opt ::= */ yytestcase(yyruleno==193);
+      case 195: /* fill_opt ::= */ yytestcase(yyruleno==195);
+      case 207: /* having_clause_opt ::= */ yytestcase(yyruleno==207);
+      case 215: /* slimit_clause_opt ::= */ yytestcase(yyruleno==215);
+      case 219: /* limit_clause_opt ::= */ yytestcase(yyruleno==219);
+{ yymsp[1].minor.yy392 = NULL; }
         break;
-      case 164: /* partition_by_clause_opt ::= PARTITION BY expression_list */
-      case 181: /* group_by_clause_opt ::= GROUP BY group_by_list */ yytestcase(yyruleno==181);
-      case 191: /* order_by_clause_opt ::= ORDER BY sort_specification_list */ yytestcase(yyruleno==191);
-{ yymsp[-2].minor.yy182 = yymsp[0].minor.yy182; }
+      case 187: /* partition_by_clause_opt ::= PARTITION BY expression_list */
+      case 204: /* group_by_clause_opt ::= GROUP BY group_by_list */ yytestcase(yyruleno==204);
+      case 214: /* order_by_clause_opt ::= ORDER BY sort_specification_list */ yytestcase(yyruleno==214);
+{ yymsp[-2].minor.yy184 = yymsp[0].minor.yy184; }
         break;
-      case 166: /* twindow_clause_opt ::= SESSION NK_LP column_reference NK_COMMA NK_INTEGER NK_RP */
-{ yymsp[-5].minor.yy210 = createSessionWindowNode(pCxt, releaseRawExprNode(pCxt, yymsp[-3].minor.yy210), &yymsp[-1].minor.yy0); }
+      case 189: /* twindow_clause_opt ::= SESSION NK_LP column_reference NK_COMMA NK_INTEGER NK_RP */
+{ yymsp[-5].minor.yy392 = createSessionWindowNode(pCxt, releaseRawExprNode(pCxt, yymsp[-3].minor.yy392), &yymsp[-1].minor.yy0); }
         break;
-      case 167: /* twindow_clause_opt ::= STATE_WINDOW NK_LP column_reference NK_RP */
-{ yymsp[-3].minor.yy210 = createStateWindowNode(pCxt, releaseRawExprNode(pCxt, yymsp[-1].minor.yy210)); }
+      case 190: /* twindow_clause_opt ::= STATE_WINDOW NK_LP column_reference NK_RP */
+{ yymsp[-3].minor.yy392 = createStateWindowNode(pCxt, releaseRawExprNode(pCxt, yymsp[-1].minor.yy392)); }
         break;
-      case 168: /* twindow_clause_opt ::= INTERVAL NK_LP duration_literal NK_RP sliding_opt fill_opt */
-{ yymsp[-5].minor.yy210 = createIntervalWindowNode(pCxt, yymsp[-3].minor.yy210, NULL, yymsp[-1].minor.yy210, yymsp[0].minor.yy210); }
+      case 191: /* twindow_clause_opt ::= INTERVAL NK_LP duration_literal NK_RP sliding_opt fill_opt */
+{ yymsp[-5].minor.yy392 = createIntervalWindowNode(pCxt, yymsp[-3].minor.yy392, NULL, yymsp[-1].minor.yy392, yymsp[0].minor.yy392); }
         break;
-      case 169: /* twindow_clause_opt ::= INTERVAL NK_LP duration_literal NK_COMMA duration_literal NK_RP sliding_opt fill_opt */
-{ yymsp[-7].minor.yy210 = createIntervalWindowNode(pCxt, yymsp[-5].minor.yy210, yymsp[-3].minor.yy210, yymsp[-1].minor.yy210, yymsp[0].minor.yy210); }
+      case 192: /* twindow_clause_opt ::= INTERVAL NK_LP duration_literal NK_COMMA duration_literal NK_RP sliding_opt fill_opt */
+{ yymsp[-7].minor.yy392 = createIntervalWindowNode(pCxt, yymsp[-5].minor.yy392, yymsp[-3].minor.yy392, yymsp[-1].minor.yy392, yymsp[0].minor.yy392); }
         break;
-      case 171: /* sliding_opt ::= SLIDING NK_LP duration_literal NK_RP */
-{ yymsp[-3].minor.yy210 = yymsp[-1].minor.yy210; }
+      case 194: /* sliding_opt ::= SLIDING NK_LP duration_literal NK_RP */
+{ yymsp[-3].minor.yy392 = yymsp[-1].minor.yy392; }
         break;
-      case 173: /* fill_opt ::= FILL NK_LP fill_mode NK_RP */
-{ yymsp[-3].minor.yy210 = createFillNode(pCxt, yymsp[-1].minor.yy102, NULL); }
+      case 196: /* fill_opt ::= FILL NK_LP fill_mode NK_RP */
+{ yymsp[-3].minor.yy392 = createFillNode(pCxt, yymsp[-1].minor.yy166, NULL); }
         break;
-      case 174: /* fill_opt ::= FILL NK_LP VALUE NK_COMMA literal_list NK_RP */
-{ yymsp[-5].minor.yy210 = createFillNode(pCxt, FILL_MODE_VALUE, createNodeListNode(pCxt, yymsp[-1].minor.yy182)); }
+      case 197: /* fill_opt ::= FILL NK_LP VALUE NK_COMMA literal_list NK_RP */
+{ yymsp[-5].minor.yy392 = createFillNode(pCxt, FILL_MODE_VALUE, createNodeListNode(pCxt, yymsp[-1].minor.yy184)); }
         break;
-      case 175: /* fill_mode ::= NONE */
-{ yymsp[0].minor.yy102 = FILL_MODE_NONE; }
+      case 198: /* fill_mode ::= NONE */
+{ yymsp[0].minor.yy166 = FILL_MODE_NONE; }
         break;
-      case 176: /* fill_mode ::= PREV */
-{ yymsp[0].minor.yy102 = FILL_MODE_PREV; }
+      case 199: /* fill_mode ::= PREV */
+{ yymsp[0].minor.yy166 = FILL_MODE_PREV; }
         break;
-      case 177: /* fill_mode ::= NULL */
-{ yymsp[0].minor.yy102 = FILL_MODE_NULL; }
+      case 200: /* fill_mode ::= NULL */
+{ yymsp[0].minor.yy166 = FILL_MODE_NULL; }
         break;
-      case 178: /* fill_mode ::= LINEAR */
-{ yymsp[0].minor.yy102 = FILL_MODE_LINEAR; }
+      case 201: /* fill_mode ::= LINEAR */
+{ yymsp[0].minor.yy166 = FILL_MODE_LINEAR; }
         break;
-      case 179: /* fill_mode ::= NEXT */
-{ yymsp[0].minor.yy102 = FILL_MODE_NEXT; }
+      case 202: /* fill_mode ::= NEXT */
+{ yymsp[0].minor.yy166 = FILL_MODE_NEXT; }
         break;
-      case 182: /* group_by_list ::= expression */
-{ yylhsminor.yy182 = createNodeList(pCxt, createGroupingSetNode(pCxt, releaseRawExprNode(pCxt, yymsp[0].minor.yy210))); }
-  yymsp[0].minor.yy182 = yylhsminor.yy182;
+      case 205: /* group_by_list ::= expression */
+{ yylhsminor.yy184 = createNodeList(pCxt, createGroupingSetNode(pCxt, releaseRawExprNode(pCxt, yymsp[0].minor.yy392))); }
+  yymsp[0].minor.yy184 = yylhsminor.yy184;
         break;
-      case 183: /* group_by_list ::= group_by_list NK_COMMA expression */
-{ yylhsminor.yy182 = addNodeToList(pCxt, yymsp[-2].minor.yy182, createGroupingSetNode(pCxt, releaseRawExprNode(pCxt, yymsp[0].minor.yy210))); }
-  yymsp[-2].minor.yy182 = yylhsminor.yy182;
+      case 206: /* group_by_list ::= group_by_list NK_COMMA expression */
+{ yylhsminor.yy184 = addNodeToList(pCxt, yymsp[-2].minor.yy184, createGroupingSetNode(pCxt, releaseRawExprNode(pCxt, yymsp[0].minor.yy392))); }
+  yymsp[-2].minor.yy184 = yylhsminor.yy184;
         break;
-      case 186: /* query_expression ::= query_expression_body order_by_clause_opt slimit_clause_opt limit_clause_opt */
+      case 209: /* query_expression ::= query_expression_body order_by_clause_opt slimit_clause_opt limit_clause_opt */
 { 
-                                                                                    yylhsminor.yy210 = addOrderByClause(pCxt, yymsp[-3].minor.yy210, yymsp[-2].minor.yy182);
-                                                                                    yylhsminor.yy210 = addSlimitClause(pCxt, yylhsminor.yy210, yymsp[-1].minor.yy210);
-                                                                                    yylhsminor.yy210 = addLimitClause(pCxt, yylhsminor.yy210, yymsp[0].minor.yy210);
+                                                                                    yylhsminor.yy392 = addOrderByClause(pCxt, yymsp[-3].minor.yy392, yymsp[-2].minor.yy184);
+                                                                                    yylhsminor.yy392 = addSlimitClause(pCxt, yylhsminor.yy392, yymsp[-1].minor.yy392);
+                                                                                    yylhsminor.yy392 = addLimitClause(pCxt, yylhsminor.yy392, yymsp[0].minor.yy392);
                                                                                   }
-  yymsp[-3].minor.yy210 = yylhsminor.yy210;
+  yymsp[-3].minor.yy392 = yylhsminor.yy392;
         break;
-      case 188: /* query_expression_body ::= query_expression_body UNION ALL query_expression_body */
-{ yylhsminor.yy210 = createSetOperator(pCxt, SET_OP_TYPE_UNION_ALL, yymsp[-3].minor.yy210, yymsp[0].minor.yy210); }
-  yymsp[-3].minor.yy210 = yylhsminor.yy210;
+      case 211: /* query_expression_body ::= query_expression_body UNION ALL query_expression_body */
+{ yylhsminor.yy392 = createSetOperator(pCxt, SET_OP_TYPE_UNION_ALL, yymsp[-3].minor.yy392, yymsp[0].minor.yy392); }
+  yymsp[-3].minor.yy392 = yylhsminor.yy392;
         break;
-      case 193: /* slimit_clause_opt ::= SLIMIT NK_INTEGER */
-      case 197: /* limit_clause_opt ::= LIMIT NK_INTEGER */ yytestcase(yyruleno==197);
-{ yymsp[-1].minor.yy210 = createLimitNode(pCxt, &yymsp[0].minor.yy0, NULL); }
+      case 216: /* slimit_clause_opt ::= SLIMIT NK_INTEGER */
+      case 220: /* limit_clause_opt ::= LIMIT NK_INTEGER */ yytestcase(yyruleno==220);
+{ yymsp[-1].minor.yy392 = createLimitNode(pCxt, &yymsp[0].minor.yy0, NULL); }
         break;
-      case 194: /* slimit_clause_opt ::= SLIMIT NK_INTEGER SOFFSET NK_INTEGER */
-      case 198: /* limit_clause_opt ::= LIMIT NK_INTEGER OFFSET NK_INTEGER */ yytestcase(yyruleno==198);
-{ yymsp[-3].minor.yy210 = createLimitNode(pCxt, &yymsp[-2].minor.yy0, &yymsp[0].minor.yy0); }
+      case 217: /* slimit_clause_opt ::= SLIMIT NK_INTEGER SOFFSET NK_INTEGER */
+      case 221: /* limit_clause_opt ::= LIMIT NK_INTEGER OFFSET NK_INTEGER */ yytestcase(yyruleno==221);
+{ yymsp[-3].minor.yy392 = createLimitNode(pCxt, &yymsp[-2].minor.yy0, &yymsp[0].minor.yy0); }
         break;
-      case 195: /* slimit_clause_opt ::= SLIMIT NK_INTEGER NK_COMMA NK_INTEGER */
-      case 199: /* limit_clause_opt ::= LIMIT NK_INTEGER NK_COMMA NK_INTEGER */ yytestcase(yyruleno==199);
-{ yymsp[-3].minor.yy210 = createLimitNode(pCxt, &yymsp[0].minor.yy0, &yymsp[-2].minor.yy0); }
+      case 218: /* slimit_clause_opt ::= SLIMIT NK_INTEGER NK_COMMA NK_INTEGER */
+      case 222: /* limit_clause_opt ::= LIMIT NK_INTEGER NK_COMMA NK_INTEGER */ yytestcase(yyruleno==222);
+{ yymsp[-3].minor.yy392 = createLimitNode(pCxt, &yymsp[0].minor.yy0, &yymsp[-2].minor.yy0); }
         break;
-      case 200: /* subquery ::= NK_LP query_expression NK_RP */
-{ yylhsminor.yy210 = createRawExprNodeExt(pCxt, &yymsp[-2].minor.yy0, &yymsp[0].minor.yy0, yymsp[-1].minor.yy210); }
-  yymsp[-2].minor.yy210 = yylhsminor.yy210;
+      case 223: /* subquery ::= NK_LP query_expression NK_RP */
+{ yylhsminor.yy392 = createRawExprNodeExt(pCxt, &yymsp[-2].minor.yy0, &yymsp[0].minor.yy0, yymsp[-1].minor.yy392); }
+  yymsp[-2].minor.yy392 = yylhsminor.yy392;
         break;
-      case 201: /* search_condition ::= common_expression */
-{ yylhsminor.yy210 = releaseRawExprNode(pCxt, yymsp[0].minor.yy210); }
-  yymsp[0].minor.yy210 = yylhsminor.yy210;
+      case 224: /* search_condition ::= common_expression */
+{ yylhsminor.yy392 = releaseRawExprNode(pCxt, yymsp[0].minor.yy392); }
+  yymsp[0].minor.yy392 = yylhsminor.yy392;
         break;
-      case 204: /* sort_specification ::= expression ordering_specification_opt null_ordering_opt */
-{ yylhsminor.yy210 = createOrderByExprNode(pCxt, releaseRawExprNode(pCxt, yymsp[-2].minor.yy210), yymsp[-1].minor.yy29, yymsp[0].minor.yy307); }
-  yymsp[-2].minor.yy210 = yylhsminor.yy210;
+      case 227: /* sort_specification ::= expression ordering_specification_opt null_ordering_opt */
+{ yylhsminor.yy392 = createOrderByExprNode(pCxt, releaseRawExprNode(pCxt, yymsp[-2].minor.yy392), yymsp[-1].minor.yy162, yymsp[0].minor.yy9); }
+  yymsp[-2].minor.yy392 = yylhsminor.yy392;
         break;
-      case 205: /* ordering_specification_opt ::= */
-{ yymsp[1].minor.yy29 = ORDER_ASC; }
+      case 228: /* ordering_specification_opt ::= */
+{ yymsp[1].minor.yy162 = ORDER_ASC; }
         break;
-      case 206: /* ordering_specification_opt ::= ASC */
-{ yymsp[0].minor.yy29 = ORDER_ASC; }
+      case 229: /* ordering_specification_opt ::= ASC */
+{ yymsp[0].minor.yy162 = ORDER_ASC; }
         break;
-      case 207: /* ordering_specification_opt ::= DESC */
-{ yymsp[0].minor.yy29 = ORDER_DESC; }
+      case 230: /* ordering_specification_opt ::= DESC */
+{ yymsp[0].minor.yy162 = ORDER_DESC; }
         break;
-      case 208: /* null_ordering_opt ::= */
-{ yymsp[1].minor.yy307 = NULL_ORDER_DEFAULT; }
+      case 231: /* null_ordering_opt ::= */
+{ yymsp[1].minor.yy9 = NULL_ORDER_DEFAULT; }
         break;
-      case 209: /* null_ordering_opt ::= NULLS FIRST */
-{ yymsp[-1].minor.yy307 = NULL_ORDER_FIRST; }
+      case 232: /* null_ordering_opt ::= NULLS FIRST */
+{ yymsp[-1].minor.yy9 = NULL_ORDER_FIRST; }
         break;
-      case 210: /* null_ordering_opt ::= NULLS LAST */
-{ yymsp[-1].minor.yy307 = NULL_ORDER_LAST; }
+      case 233: /* null_ordering_opt ::= NULLS LAST */
+{ yymsp[-1].minor.yy9 = NULL_ORDER_LAST; }
         break;
       default:
         break;
@@ -2555,18 +2699,9 @@ static void yy_syntax_error(
 /************ Begin %syntax_error code ****************************************/
   
   if(TOKEN.z) {
-    char msg[] = "syntax error near \"%s\"";
-    int32_t sqlLen = strlen(&TOKEN.z[0]);
-
-    if (sqlLen + sizeof(msg)/sizeof(msg[0]) + 1 > pCxt->pQueryCxt->msgLen) {
-        char tmpstr[128] = {0};
-        memcpy(tmpstr, &TOKEN.z[0], sizeof(tmpstr)/sizeof(tmpstr[0]) - 1);
-        sprintf(pCxt->pQueryCxt->pMsg, msg, tmpstr);
-    } else {
-        sprintf(pCxt->pQueryCxt->pMsg, msg, &TOKEN.z[0]);
-    }
+    generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_SYNTAX_ERROR, TOKEN.z);
   } else {
-    sprintf(pCxt->pQueryCxt->pMsg, "Incomplete SQL statement");
+    generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INCOMPLETE_SQL);
   }
   pCxt->valid = false;
 /************ End %syntax_error code ******************************************/
diff --git a/source/libs/parser/src/parserUtil.c b/source/libs/parser/src/parserUtil.c
index 8a9d071a53e3e9dd9bf7b37b7a0c7114c6cd7319..73e62edc3c8f46c7cd3a707690e12e423e0fb0cd 100644
--- a/source/libs/parser/src/parserUtil.c
+++ b/source/libs/parser/src/parserUtil.c
@@ -15,6 +15,63 @@
 
 #include "parserUtil.h"
 
+static char* getSyntaxErrFormat(int32_t errCode) {
+  switch (errCode) {
+    case TSDB_CODE_PAR_SYNTAX_ERROR:
+      return "syntax error near \"%s\"";
+    case TSDB_CODE_PAR_INCOMPLETE_SQL:
+      return "Incomplete SQL statement";
+    case TSDB_CODE_PAR_INVALID_COLUMN:
+      return "Invalid column name : %s";
+    case TSDB_CODE_PAR_TABLE_NOT_EXIST:
+      return "Table does not exist : %s";
+    case TSDB_CODE_PAR_AMBIGUOUS_COLUMN:
+      return "Column ambiguously defined : %s";
+    case TSDB_CODE_PAR_WRONG_VALUE_TYPE:
+      return "Invalid value type : %s";
+    case TSDB_CODE_PAR_INVALID_FUNTION:
+      return "Invalid function name : %s";
+    case TSDB_CODE_PAR_FUNTION_PARA_NUM:
+      return "Invalid number of arguments : %s";
+    case TSDB_CODE_PAR_FUNTION_PARA_TYPE:
+      return "Inconsistent datatypes : %s";
+    case TSDB_CODE_PAR_ILLEGAL_USE_AGG_FUNCTION:
+      return "There mustn't be aggregation";
+    case TSDB_CODE_PAR_WRONG_NUMBER_OF_SELECT:
+      return "ORDER BY item must be the number of a SELECT-list expression";
+    case TSDB_CODE_PAR_GROUPBY_LACK_EXPRESSION:
+      return "Not a GROUP BY expression";
+    case TSDB_CODE_PAR_NOT_SELECTED_EXPRESSION:
+      return "Not SELECTed expression";
+    case TSDB_CODE_PAR_NOT_SINGLE_GROUP:
+      return "Not a single-group group function";
+    case TSDB_CODE_PAR_TAGS_NOT_MATCHED:
+      return "tags number not matched";
+    case TSDB_CODE_PAR_INVALID_TAG_NAME:
+      return "invalid tag name : %s";
+    case TSDB_CODE_PAR_NAME_OR_PASSWD_TOO_LONG:
+      return "name or password too long";
+    case TSDB_CODE_PAR_PASSWD_EMPTY:
+      return "password can not be empty";
+    case TSDB_CODE_PAR_INVALID_PORT:
+      return "port should be an integer that is less than 65535 and greater than 0";
+    case TSDB_CODE_PAR_INVALID_ENDPOINT:
+      return "endpoint should be in the format of 'fqdn:port'";
+    case TSDB_CODE_OUT_OF_MEMORY:
+      return "Out of memory";
+    default:
+      return "Unknown error";
+  }
+}
+
+int32_t generateSyntaxErrMsg(SMsgBuf* pBuf, int32_t errCode, ...) {
+  va_list vArgList;
+  va_start(vArgList, errCode);
+  vsnprintf(pBuf->buf, pBuf->len, getSyntaxErrFormat(errCode), vArgList);
+  va_end(vArgList);
+  return errCode;
+}
+
 int32_t buildInvalidOperationMsg(SMsgBuf* pBuf, const char* msg) {
   strncpy(pBuf->buf, msg, pBuf->len);
   return TSDB_CODE_TSC_INVALID_OPERATION;
diff --git a/source/libs/parser/src/ttokenizer.c b/source/libs/parser/src/ttokenizer.c
index 097620a50b79f4dda529741220b31c0b98cfdb9e..b6435e95ad6d1a44bda78bf8fa98cc50cb88682a 100644
--- a/source/libs/parser/src/ttokenizer.c
+++ b/source/libs/parser/src/ttokenizer.c
@@ -30,6 +30,7 @@ typedef struct SKeyword {
 // keywords in sql string
 static SKeyword keywordTable[] = {
     {"ALL",           TK_ALL},
+    {"ALTER",         TK_ALTER},
     {"AND",           TK_AND},
     {"AS",            TK_AS},
     {"ASC",           TK_ASC},
@@ -49,7 +50,10 @@ static SKeyword keywordTable[] = {
     {"DAYS",          TK_DAYS},
     {"DESC",          TK_DESC},
     {"DISTINCT",      TK_DISTINCT},
+    {"DNODE",         TK_DNODE},
+    {"DNODES",        TK_DNODES},
     {"DOUBLE",        TK_DOUBLE},
+    {"DROP",          TK_DROP},
     {"EXISTS",        TK_EXISTS},
     // {"FILE",          TK_FILE},
     {"FILL",          TK_FILL},
@@ -85,11 +89,14 @@ static SKeyword keywordTable[] = {
     {"NOW",           TK_NOW},
     {"NULL",          TK_NULL},
     {"OFFSET",        TK_OFFSET},
-    {"PRECISION",     TK_PRECISION},
-    {"PREV",          TK_PREV},
     {"ON",            TK_ON},
     {"OR",            TK_OR},
     {"ORDER",         TK_ORDER},
+    {"PASS",          TK_PASS},
+    {"PORT",          TK_PORT},
+    {"PRECISION",     TK_PRECISION},
+    {"PRIVILEGE",     TK_PRIVILEGE},
+    {"PREV",          TK_PREV},
     {"QUORUM",        TK_QUORUM},
     {"REPLICA",       TK_REPLICA},
     {"SELECT",        TK_SELECT},
@@ -102,6 +109,7 @@ static SKeyword keywordTable[] = {
     {"SMALLINT",      TK_SMALLINT},
     {"SOFFSET",       TK_SOFFSET},
     {"STABLE",        TK_STABLE},
+    {"STABLES",       TK_STABLES},
     {"STATE_WINDOW",  TK_STATE_WINDOW},
     {"STREAM_MODE",   TK_STREAM_MODE},
     {"TABLE",         TK_TABLE},
@@ -113,6 +121,8 @@ static SKeyword keywordTable[] = {
     {"UNION",         TK_UNION},
     {"UNSIGNED",      TK_UNSIGNED},
     {"USE",           TK_USE},
+    {"USER",          TK_USER},
+    {"USERS",         TK_USERS},
     {"USING",         TK_USING},
     {"VALUES",        TK_VALUES},
     {"VARCHAR",       TK_VARCHAR},
@@ -145,9 +155,7 @@ static SKeyword keywordTable[] = {
     // {"UPLUS",        TK_UPLUS},
     // {"BITNOT",       TK_BITNOT},
     // {"MNODES",       TK_MNODES},
-    // {"DNODES",       TK_DNODES},
     // {"ACCOUNTS",     TK_ACCOUNTS},
-    // {"USERS",        TK_USERS},
     // {"MODULES",      TK_MODULES},
     // {"QUERIES",      TK_QUERIES},
     // {"CONNECTIONS",  TK_CONNECTIONS},
@@ -156,16 +164,9 @@ static SKeyword keywordTable[] = {
     // {"SCORES",       TK_SCORES},
     // {"GRANTS",       TK_GRANTS},
     // {"DOT",          TK_DOT},
-    // {"STABLES",      TK_STABLES},
-    // {"DROP",         TK_DROP},
-    // {"DNODE",        TK_DNODE},
-    // {"USER",         TK_USER},
     // {"ACCOUNT",      TK_ACCOUNT},
     // {"DESCRIBE",     TK_DESCRIBE},
     // {"SYNCDB",       TK_SYNCDB},
-    // {"ALTER",        TK_ALTER},
-    // {"PASS",         TK_PASS},
-    // {"PRIVILEGE",    TK_PRIVILEGE},
     // {"LOCAL",        TK_LOCAL},
     // {"PPS",          TK_PPS},
     // {"TSERIES",      TK_TSERIES},
@@ -235,7 +236,6 @@ static SKeyword keywordTable[] = {
     // {"OUTPUTTYPE",   TK_OUTPUTTYPE},
     // {"AGGREGATE",    TK_AGGREGATE},
     // {"BUFSIZE",      TK_BUFSIZE},
-    // {"PORT",         TK_PORT},
     // {"MODE",         TK_MODE},
 };
 
@@ -330,7 +330,7 @@ uint32_t tGetToken(const char* z, uint32_t* tokenId) {
       return 1;
     }
     case ';': {
-      *tokenId = TK_SEMI;
+      *tokenId = TK_NK_SEMI;
       return 1;
     }
     case '+': {
@@ -537,7 +537,7 @@ uint32_t tGetToken(const char* z, uint32_t* tokenId) {
       }
 
       if (seg == 4) {  // ip address
-        *tokenId = TK_IPTOKEN;
+        *tokenId = TK_NK_IPTOKEN;
         return i;
       }
 
@@ -648,7 +648,7 @@ SToken tStrGetToken(const char* str, int32_t* i, bool isPrevOptr) {
 #endif
   }
 
-  if (t0.type == TK_SEMI) {
+  if (t0.type == TK_NK_SEMI) {
     t0.n = 0;
     return t0;
   }
diff --git a/source/libs/parser/test/mockCatalog.cpp b/source/libs/parser/test/mockCatalog.cpp
index 8bf77bdaa98aef4d1e977044dc20ef1c08a9491e..88ce767eacaa5c4f02aecd2a52c42e24f4dee465 100644
--- a/source/libs/parser/test/mockCatalog.cpp
+++ b/source/libs/parser/test/mockCatalog.cpp
@@ -37,8 +37,8 @@ void generateTestT1(MockCatalogService* mcs) {
 void generateTestST1(MockCatalogService* mcs) {
   ITableBuilder& builder = mcs->createTableBuilder("test", "st1", TSDB_SUPER_TABLE, 3, 2)
       .setPrecision(TSDB_TIME_PRECISION_MILLI).addColumn("ts", TSDB_DATA_TYPE_TIMESTAMP)
-      .addTag("tag1", TSDB_DATA_TYPE_INT).addTag("tag2", TSDB_DATA_TYPE_BINARY, 20)
-      .addColumn("c1", TSDB_DATA_TYPE_INT).addColumn("c2", TSDB_DATA_TYPE_BINARY, 20);
+      .addColumn("c1", TSDB_DATA_TYPE_INT).addColumn("c2", TSDB_DATA_TYPE_BINARY, 20)
+      .addTag("tag1", TSDB_DATA_TYPE_INT).addTag("tag2", TSDB_DATA_TYPE_BINARY, 20);
   builder.done();
   mcs->createSubTable("test", "st1", "st1s1", 1);
   mcs->createSubTable("test", "st1", "st1s2", 2);
@@ -62,6 +62,10 @@ int32_t __catalogGetTableDistVgInfo(SCatalog* pCtg, void *pRpc, const SEpSet* pM
   return mockCatalogService->catalogGetTableDistVgInfo(pTableName, pVgList);
 }
 
+int32_t __catalogGetDBVgVersion(SCatalog* pCtg, const char* dbFName, int32_t* version, int64_t* dbId, int32_t *tableNum) {
+  return 0;
+}
+
 void initMetaDataEnv() {
   mockCatalogService.reset(new MockCatalogService());
 
@@ -102,6 +106,14 @@ void initMetaDataEnv() {
       stub.set(f.second, __catalogGetTableDistVgInfo);
     }
   }
+  {
+    AddrAny any("libcatalog.so");
+    std::map<std::string,void*> result;
+    any.get_global_func_addr_dynsym("^catalogGetDBVgVersion$", result);
+    for (const auto& f : result) {
+      stub.set(f.second, __catalogGetDBVgVersion);
+    }
+  }
 }
 
 void generateMetaData() {
diff --git a/source/libs/parser/test/mockCatalogService.cpp b/source/libs/parser/test/mockCatalogService.cpp
index 40d8fbc672d25a5e7d4e2f7561f90c331bbb5d40..b025426c87bc994b510d1ecc13fcc5bb42bd9366 100644
--- a/source/libs/parser/test/mockCatalogService.cpp
+++ b/source/libs/parser/test/mockCatalogService.cpp
@@ -113,6 +113,7 @@ public:
     const char* tname = tNameGetTableName(pTableName);
     int32_t code = copyTableSchemaMeta(db, tname, &table);
     if (TSDB_CODE_SUCCESS != code) {
+      std::cout << "db : " << db << ", table :" << tname << std::endl;
       return code;
     }
     *pTableMeta = table.release();
diff --git a/source/libs/parser/test/parserTest.cpp b/source/libs/parser/test/parserTest.cpp
index 6bf32bb93a04b65329e2acd689dffa3e727e839f..d154ed09a8dd07687f29454763a3d484fc572da4 100644
--- a/source/libs/parser/test/parserTest.cpp
+++ b/source/libs/parser/test/parserTest.cpp
@@ -281,7 +281,26 @@ TEST_F(ParserTest, selectSemanticError) {
   ASSERT_TRUE(run(TSDB_CODE_SUCCESS, TSDB_CODE_PAR_NOT_SELECTED_EXPRESSION));
 }
 
+TEST_F(ParserTest, createUser) {
+  setDatabase("root", "test");
+
+  bind("create user wxy pass '123456'");
+  ASSERT_TRUE(run());
+}
+
+TEST_F(ParserTest, createDnode) {
+  setDatabase("root", "test");
+
+  bind("create dnode abc1 port 7000");
+  ASSERT_TRUE(run());
+
+  bind("create dnode 1.1.1.1 port 9000");
+  ASSERT_TRUE(run());
+}
+
 TEST_F(ParserTest, createDatabase) {
+  setDatabase("root", "test");
+
   bind("create database wxy_db");
   ASSERT_TRUE(run());
 
@@ -308,16 +327,22 @@ TEST_F(ParserTest, createDatabase) {
 }
 
 TEST_F(ParserTest, showDatabase) {
+  setDatabase("root", "test");
+
   bind("show databases");
   ASSERT_TRUE(run());
 }
 
 TEST_F(ParserTest, useDatabase) {
+  setDatabase("root", "test");
+
   bind("use wxy_db");
   ASSERT_TRUE(run());
 }
 
 TEST_F(ParserTest, createTable) {
+  setDatabase("root", "test");
+
   bind("create table t1(ts timestamp, c1 int)");
   ASSERT_TRUE(run());
 
@@ -337,13 +362,13 @@ TEST_F(ParserTest, createTable) {
       );
   ASSERT_TRUE(run());
   
-  bind("create table if not exists t1 using st1 tags(1)");
+  bind("create table if not exists t1 using st1 tags(1, 'wxy')");
   ASSERT_TRUE(run());
 
   bind("create table "
-       "if not exists test.t1 using test.st1 (tc1, tc2, tc3) tags(1, 2.0, 'abc', TIMESTAMP '2022-3-6 11:20:23') "
-       "if not exists test.t2 using test.st1 (tc1, tc2, tc3) tags(2, 2.0, 'abc', TIMESTAMP '2022-3-6 11:20:23') "
-       "if not exists test.t3 using test.st1 (tc1, tc2, tc3) tags(3, 2.0, 'abc', TIMESTAMP '2022-3-6 11:20:23')"
+       "if not exists test.t1 using test.st1 (tag1, tag2) tags(1, 'abc') "
+       "if not exists test.t2 using test.st1 (tag1, tag2) tags(2, 'abc') "
+       "if not exists test.t3 using test.st1 (tag1, tag2) tags(3, 'abc')"
       );
   ASSERT_TRUE(run());