diff --git a/src/client/src/tscAsync.c b/src/client/src/tscAsync.c
index 82be24cff3aa983cf9d1235e07962f0cc04275d2..3e636cdc7bb14dd2c9e7a9a3f474c1105bdabff2 100644
--- a/src/client/src/tscAsync.c
+++ b/src/client/src/tscAsync.c
@@ -236,7 +236,7 @@ void taos_fetch_rows_a(TAOS_RES *tres, __async_cb_func_t fp, void *param) {
     return;
   }
 
-  if (pRes->qId == 0) {
+  if (pRes->qId == 0 && pSql->cmd.command != TSDB_SQL_RETRIEVE_EMPTY_RESULT) {
     tscError("qhandle is invalid");
     pRes->code = TSDB_CODE_TSC_INVALID_QHANDLE;
     tscAsyncResultOnError(pSql);
diff --git a/src/client/src/tscGlobalmerge.c b/src/client/src/tscGlobalmerge.c
index 130abdf4a73ade3951070a100555d15270c265f2..fab1f5123e3e7078d70e21bc269a4161e842ceb9 100644
--- a/src/client/src/tscGlobalmerge.c
+++ b/src/client/src/tscGlobalmerge.c
@@ -967,7 +967,6 @@ SSDataBlock* doGlobalAggregate(void* param, bool* newgroup) {
 
       if (pOperator->pRuntimeEnv->pQueryAttr->order.order == TSDB_ORDER_DESC) {
         SWAP(w->skey, w->ekey, TSKEY);
-        assert(w->skey <= w->ekey);
       }
     }
   }
diff --git a/src/client/src/tscSQLParser.c b/src/client/src/tscSQLParser.c
index 1e23e9e56eeabde993020f0a6c45b81390b33d08..79bb93d596f732a240eee633725ca45e9f5a5bc0 100644
--- a/src/client/src/tscSQLParser.c
+++ b/src/client/src/tscSQLParser.c
@@ -2029,6 +2029,7 @@ int32_t validateSelectNodeList(SSqlCmd* pCmd, SQueryInfo* pQueryInfo, SArray* pS
   const char* msg6 = "not support distinct mixed with join"; 
   const char* msg7 = "not support distinct mixed with groupby";
   const char* msg8 = "not support distinct in nest query";
+  const char* msg9 = "invalid alias name";
 
   // too many result columns not support order by in query
   if (taosArrayGetSize(pSelNodeList) > TSDB_MAX_COLUMNS) {
@@ -2052,6 +2053,9 @@ int32_t validateSelectNodeList(SSqlCmd* pCmd, SQueryInfo* pQueryInfo, SArray* pS
        hasDistinct = (pItem->distinct == true); 
        distIdx     =  hasDistinct ? i : -1;
     }
+    if(pItem->aliasName != NULL && validateColumnName(pItem->aliasName) != TSDB_CODE_SUCCESS){
+      return invalidOperationMsg(tscGetErrorMsgPayload(pCmd), msg9);
+    }
 
     int32_t type = pItem->pNode->type;
     if (type == SQL_NODE_SQLFUNCTION) {
diff --git a/src/os/src/detail/osTime.c b/src/os/src/detail/osTime.c
index 034ebc28fc51a23893b6cefb9792359c832cd8b0..2c86b5ccc7badc574397965207de9d2de1b9268e 100644
--- a/src/os/src/detail/osTime.c
+++ b/src/os/src/detail/osTime.c
@@ -343,15 +343,20 @@ int64_t convertTimePrecision(int64_t time, int32_t fromPrecision, int32_t toPrec
   assert(toPrecision == TSDB_TIME_PRECISION_MILLI ||
          toPrecision == TSDB_TIME_PRECISION_MICRO ||
          toPrecision == TSDB_TIME_PRECISION_NANO);
+  double tempResult = (double)time;
   switch(fromPrecision) {
     case TSDB_TIME_PRECISION_MILLI: {
       switch (toPrecision) {
         case TSDB_TIME_PRECISION_MILLI:
           return time;
         case TSDB_TIME_PRECISION_MICRO:
-          return time * 1000;
+          tempResult *= 1000;
+          time *= 1000;
+          goto end_;
         case TSDB_TIME_PRECISION_NANO:
-          return time * 1000000;
+          tempResult *= 1000000;
+          time *= 1000000;
+          goto end_;
       }
     } // end from milli
     case TSDB_TIME_PRECISION_MICRO: {
@@ -361,7 +366,9 @@ int64_t convertTimePrecision(int64_t time, int32_t fromPrecision, int32_t toPrec
         case TSDB_TIME_PRECISION_MICRO:
           return time;
         case TSDB_TIME_PRECISION_NANO:
-          return time * 1000;
+          tempResult *= 1000;
+          time *= 1000;
+          goto end_;
       }
     } //end from micro
     case TSDB_TIME_PRECISION_NANO: {
@@ -379,26 +386,45 @@ int64_t convertTimePrecision(int64_t time, int32_t fromPrecision, int32_t toPrec
       return time;  // only to pass windows compilation
     }
   } //end switch fromPrecision
+end_:
+  if (tempResult >= (double)INT64_MAX) return INT64_MAX;
+  if (tempResult <= (double)INT64_MIN) return INT64_MIN + 1;  // INT64_MIN means NULL
+  return time;
 }
 
 static int32_t getDuration(int64_t val, char unit, int64_t* result, int32_t timePrecision) {
 
   switch (unit) {
-    case 's':
+    case 's':{
+      double temp = ((double)val) * MILLISECOND_PER_SECOND;
+      if (temp >= (double)INT64_MAX || temp <= (double)INT64_MIN) return -1;
       (*result) = convertTimePrecision(val * MILLISECOND_PER_SECOND, TSDB_TIME_PRECISION_MILLI, timePrecision);
       break;
-    case 'm':
+    }
+    case 'm':{
+      double temp = ((double)val) * MILLISECOND_PER_MINUTE;
+      if (temp >= (double)INT64_MAX || temp <= (double)INT64_MIN) return -1;
       (*result) = convertTimePrecision(val * MILLISECOND_PER_MINUTE, TSDB_TIME_PRECISION_MILLI, timePrecision);
       break;
-    case 'h':
+    }
+    case 'h':{
+      double temp = ((double)val) * MILLISECOND_PER_HOUR;
+      if (temp >= (double)INT64_MAX || temp <= (double)INT64_MIN) return -1;
       (*result) = convertTimePrecision(val * MILLISECOND_PER_HOUR, TSDB_TIME_PRECISION_MILLI, timePrecision);
       break;
-    case 'd':
+    }
+    case 'd': {
+      double temp = ((double)val) * MILLISECOND_PER_DAY;
+      if (temp >= (double)INT64_MAX || temp <= (double)INT64_MIN) return -1;
       (*result) = convertTimePrecision(val * MILLISECOND_PER_DAY, TSDB_TIME_PRECISION_MILLI, timePrecision);
       break;
-    case 'w':
+    }
+    case 'w': {
+      double temp = ((double)val) * MILLISECOND_PER_WEEK;
+      if (temp >= (double)INT64_MAX || temp <= (double)INT64_MIN) return -1;
       (*result) = convertTimePrecision(val * MILLISECOND_PER_WEEK, TSDB_TIME_PRECISION_MILLI, timePrecision);
       break;
+    }
     case 'a':
       (*result) = convertTimePrecision(val, TSDB_TIME_PRECISION_MILLI, timePrecision);
       break;
diff --git a/src/plugins/http/inc/httpInt.h b/src/plugins/http/inc/httpInt.h
index bf8efd2831e19480615be291d409d53207bb8f63..af0f4c579557d1bd919847ef858af8dc1616bb6f 100644
--- a/src/plugins/http/inc/httpInt.h
+++ b/src/plugins/http/inc/httpInt.h
@@ -147,7 +147,7 @@ typedef struct HttpContext {
   int32_t            state;
   uint8_t            reqType;
   uint8_t            parsed;
-  uint8_t            error;
+  bool               error;
   char               ipstr[22];
   char               user[TSDB_USER_LEN];  // parsed from auth token or login message
   char               pass[HTTP_PASSWORD_LEN];
diff --git a/src/plugins/http/src/httpContext.c b/src/plugins/http/src/httpContext.c
index f26a4b4c8bdda05f801075b70c1b762882adfd27..4922d98ee492c94e56604d5823e87e4704ddf8e3 100644
--- a/src/plugins/http/src/httpContext.c
+++ b/src/plugins/http/src/httpContext.c
@@ -120,6 +120,7 @@ HttpContext *httpCreateContext(SOCKET fd) {
   pContext->lastAccessTime = taosGetTimestampSec();
   pContext->state = HTTP_CONTEXT_STATE_READY;
   pContext->parser = httpCreateParser(pContext);
+  pContext->error = false;
 
   TSDB_CACHE_PTR_TYPE handleVal = (TSDB_CACHE_PTR_TYPE)pContext;
   HttpContext **ppContext = taosCachePut(tsHttpServer.contextCache, &handleVal, sizeof(TSDB_CACHE_PTR_TYPE), &pContext,
diff --git a/src/plugins/http/src/httpResp.c b/src/plugins/http/src/httpResp.c
index 1d05b455cb5c66e4f492140e1f337210da04caef..4065f881d1e8a8023e3adacfceaf243de60eebdc 100644
--- a/src/plugins/http/src/httpResp.c
+++ b/src/plugins/http/src/httpResp.c
@@ -52,8 +52,14 @@ static void httpSendErrorRespImp(HttpContext *pContext, int32_t httpCode, char *
 
   int8_t httpVersion = 0;
   int8_t keepAlive = 0;
+
   if (pContext->parser != NULL) {
     httpVersion = pContext->parser->httpVersion;
+  }
+
+  if (pContext->error == true) {
+    keepAlive = HTTP_KEEPALIVE_DISABLE;
+  } else if (pContext->parser != NULL) {
     keepAlive = pContext->parser->keepAlive;
   }
 
diff --git a/src/query/inc/qSqlparser.h b/src/query/inc/qSqlparser.h
index c231c90996e00d84a70c7141eac69c5a59e20254..0ddaabc5fb9bf6eb2c3a16eeedb3b6d952a1f666 100644
--- a/src/query/inc/qSqlparser.h
+++ b/src/query/inc/qSqlparser.h
@@ -281,7 +281,7 @@ void          *destroyRelationInfo(SRelationInfo* pFromInfo);
 SRelationInfo *addSubqueryElem(SRelationInfo* pRelationInfo, SArray* pSub, SStrToken* pAlias);
 
 // sql expr leaf node
-tSqlExpr *tSqlExprCreateIdValue(SStrToken *pToken, int32_t optrType);
+tSqlExpr *tSqlExprCreateIdValue(SSqlInfo* pInfo, SStrToken *pToken, int32_t optrType);
 tSqlExpr *tSqlExprCreateFunction(SArray *pParam, SStrToken *pFuncToken, SStrToken *endToken, int32_t optType);
 SArray *tStrTokenAppend(SArray *pList, SStrToken *pToken);
 
diff --git a/src/query/inc/sql.y b/src/query/inc/sql.y
index b19f42c3061dc22e841b3089858d8dc7e4811491..64e3f16b41e6e14630b982bfb84c6de25f0f7a9a 100644
--- a/src/query/inc/sql.y
+++ b/src/query/inc/sql.y
@@ -515,7 +515,7 @@ selcollist(A) ::= sclp(P) distinct(Z) expr(X) as(Y).     {
 }
 
 selcollist(A) ::= sclp(P) STAR. {
-   tSqlExpr *pNode = tSqlExprCreateIdValue(NULL, TK_ALL);
+   tSqlExpr *pNode = tSqlExprCreateIdValue(pInfo, NULL, TK_ALL);
    A = tSqlExprListAppend(P, pNode, 0, 0);
 }
 
@@ -696,23 +696,23 @@ where_opt(A) ::= WHERE expr(X).       {A = X;}
 
 expr(A) ::= LP(X) expr(Y) RP(Z).       {A = Y; A->exprToken.z = X.z; A->exprToken.n = (Z.z - X.z + 1);}
 
-expr(A) ::= ID(X).               { A = tSqlExprCreateIdValue(&X, TK_ID);}
-expr(A) ::= ID(X) DOT ID(Y).     { X.n += (1+Y.n); A = tSqlExprCreateIdValue(&X, TK_ID);}
-expr(A) ::= ID(X) DOT STAR(Y).   { X.n += (1+Y.n); A = tSqlExprCreateIdValue(&X, TK_ALL);}
-
-expr(A) ::= INTEGER(X).          { A = tSqlExprCreateIdValue(&X, TK_INTEGER);}
-expr(A) ::= MINUS(X) INTEGER(Y). { X.n += Y.n; X.type = TK_INTEGER; A = tSqlExprCreateIdValue(&X, TK_INTEGER);}
-expr(A) ::= PLUS(X)  INTEGER(Y). { X.n += Y.n; X.type = TK_INTEGER; A = tSqlExprCreateIdValue(&X, TK_INTEGER);}
-expr(A) ::= FLOAT(X).            { A = tSqlExprCreateIdValue(&X, TK_FLOAT);}
-expr(A) ::= MINUS(X) FLOAT(Y).   { X.n += Y.n; X.type = TK_FLOAT; A = tSqlExprCreateIdValue(&X, TK_FLOAT);}
-expr(A) ::= PLUS(X) FLOAT(Y).    { X.n += Y.n; X.type = TK_FLOAT; A = tSqlExprCreateIdValue(&X, TK_FLOAT);}
-expr(A) ::= STRING(X).           { A = tSqlExprCreateIdValue(&X, TK_STRING);}
-expr(A) ::= NOW(X).              { A = tSqlExprCreateIdValue(&X, TK_NOW); }
-expr(A) ::= VARIABLE(X).         { A = tSqlExprCreateIdValue(&X, TK_VARIABLE);}
-expr(A) ::= PLUS(X) VARIABLE(Y).   { X.n += Y.n; X.type = TK_VARIABLE; A = tSqlExprCreateIdValue(&X, TK_VARIABLE);}
-expr(A) ::= MINUS(X) VARIABLE(Y).  { X.n += Y.n; X.type = TK_VARIABLE; A = tSqlExprCreateIdValue(&X, TK_VARIABLE);}
-expr(A) ::= BOOL(X).             { A = tSqlExprCreateIdValue(&X, TK_BOOL);}
-expr(A) ::= NULL(X).             { A = tSqlExprCreateIdValue(&X, TK_NULL);}
+expr(A) ::= ID(X).               { A = tSqlExprCreateIdValue(pInfo, &X, TK_ID);}
+expr(A) ::= ID(X) DOT ID(Y).     { X.n += (1+Y.n); A = tSqlExprCreateIdValue(pInfo, &X, TK_ID);}
+expr(A) ::= ID(X) DOT STAR(Y).   { X.n += (1+Y.n); A = tSqlExprCreateIdValue(pInfo, &X, TK_ALL);}
+
+expr(A) ::= INTEGER(X).          { A = tSqlExprCreateIdValue(pInfo, &X, TK_INTEGER);}
+expr(A) ::= MINUS(X) INTEGER(Y). { X.n += Y.n; X.type = TK_INTEGER; A = tSqlExprCreateIdValue(pInfo, &X, TK_INTEGER);}
+expr(A) ::= PLUS(X)  INTEGER(Y). { X.n += Y.n; X.type = TK_INTEGER; A = tSqlExprCreateIdValue(pInfo, &X, TK_INTEGER);}
+expr(A) ::= FLOAT(X).            { A = tSqlExprCreateIdValue(pInfo, &X, TK_FLOAT);}
+expr(A) ::= MINUS(X) FLOAT(Y).   { X.n += Y.n; X.type = TK_FLOAT; A = tSqlExprCreateIdValue(pInfo, &X, TK_FLOAT);}
+expr(A) ::= PLUS(X) FLOAT(Y).    { X.n += Y.n; X.type = TK_FLOAT; A = tSqlExprCreateIdValue(pInfo, &X, TK_FLOAT);}
+expr(A) ::= STRING(X).           { A = tSqlExprCreateIdValue(pInfo, &X, TK_STRING);}
+expr(A) ::= NOW(X).              { A = tSqlExprCreateIdValue(pInfo, &X, TK_NOW); }
+expr(A) ::= VARIABLE(X).         { A = tSqlExprCreateIdValue(pInfo, &X, TK_VARIABLE);}
+expr(A) ::= PLUS(X) VARIABLE(Y).   { X.n += Y.n; X.type = TK_VARIABLE; A = tSqlExprCreateIdValue(pInfo, &X, TK_VARIABLE);}
+expr(A) ::= MINUS(X) VARIABLE(Y).  { X.n += Y.n; X.type = TK_VARIABLE; A = tSqlExprCreateIdValue(pInfo, &X, TK_VARIABLE);}
+expr(A) ::= BOOL(X).             { A = tSqlExprCreateIdValue(pInfo, &X, TK_BOOL);}
+expr(A) ::= NULL(X).             { A = tSqlExprCreateIdValue(pInfo, &X, TK_NULL);}
 
 // ordinary functions: min(x), max(x), top(k, 20)
 expr(A) ::= ID(X) LP exprlist(Y) RP(E). { tStrTokenAppend(pInfo->funcs, &X); A = tSqlExprCreateFunction(Y, &X, &E, X.type); }
diff --git a/src/query/src/qExecutor.c b/src/query/src/qExecutor.c
index 237d52b19eb8aadd625a47924f5670f024cac887..e4a931641622501ccf57a3345fcd02f3a90738d6 100644
--- a/src/query/src/qExecutor.c
+++ b/src/query/src/qExecutor.c
@@ -1166,8 +1166,8 @@ static TSKEY getStartTsKey(SQueryAttr* pQueryAttr, STimeWindow* win, const TSKEY
 static void setArithParams(SArithmeticSupport* sas, SExprInfo *pExprInfo, SSDataBlock* pSDataBlock) {
   sas->numOfCols = (int32_t) pSDataBlock->info.numOfCols;
   sas->pExprInfo = pExprInfo;
-  if (sas->colList != NULL) {
-    return;
+  if (sas->colList) {
+    free(sas->colList); // free pre malloc memory
   }
   sas->colList = calloc(1, pSDataBlock->info.numOfCols*sizeof(SColumnInfo));
   for(int32_t i = 0; i < sas->numOfCols; ++i) {
@@ -1175,6 +1175,9 @@ static void setArithParams(SArithmeticSupport* sas, SExprInfo *pExprInfo, SSData
     sas->colList[i] = pColData->info;
   }
 
+  if(sas->data) {
+    free(sas->data); // free pre malloc memory
+  }
   sas->data = calloc(sas->numOfCols, POINTER_BYTES);
 
   // set the input column data
diff --git a/src/query/src/qSqlParser.c b/src/query/src/qSqlParser.c
index a512c7bf1a2a107998c4555ce9c442e2f501f49c..01a782bb49d0ec1982948b183454cba1cdaae5ff 100644
--- a/src/query/src/qSqlParser.c
+++ b/src/query/src/qSqlParser.c
@@ -134,7 +134,7 @@ SArray *tStrTokenAppend(SArray *pList, SStrToken *pToken) {
   return pList;
 }
 
-tSqlExpr *tSqlExprCreateIdValue(SStrToken *pToken, int32_t optrType) {
+tSqlExpr *tSqlExprCreateIdValue(SSqlInfo* pInfo, SStrToken *pToken, int32_t optrType) {
   tSqlExpr *pSqlExpr = calloc(1, sizeof(tSqlExpr));
 
   if (pToken != NULL) {
@@ -169,6 +169,7 @@ tSqlExpr *tSqlExprCreateIdValue(SStrToken *pToken, int32_t optrType) {
       char unit = 0;
       int32_t ret = parseAbsoluteDuration(pToken->z, pToken->n, &pSqlExpr->value.i64, &unit, TSDB_TIME_PRECISION_NANO);
       if (ret != TSDB_CODE_SUCCESS) {
+        snprintf(pInfo->msg, tListLen(pInfo->msg), "%s", pToken->z);
         terrno = TSDB_CODE_TSC_SQL_SYNTAX_ERROR;
       }
     }
diff --git a/src/query/src/sql.c b/src/query/src/sql.c
index 1cb49982bdb62aad248efad6fddff031258e0fe4..46c0eadaa1ef7bd4266bd21514141f9bddf2b4d9 100644
--- a/src/query/src/sql.c
+++ b/src/query/src/sql.c
@@ -1,3 +1,5 @@
+/* This file is automatically generated by Lemon from input grammar
+** source file "sql.y". */
 /*
 ** 2000-05-29
 **
@@ -22,10 +24,7 @@
 ** The following is the concatenation of all %include directives from the
 ** input grammar file:
 */
-#include <stdio.h>
-#include <assert.h>
 /************ Begin %include sections from the grammar ************************/
-
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -38,11 +37,207 @@
 #include "tutil.h"
 #include "tvariant.h"
 /**************** End of %include directives **********************************/
-/* These constants specify the various numeric values for terminal symbols
-** in a format understandable to "makeheaders".  This section is blank unless
-** "lemon" is run with the "-m" command-line option.
-***************** Begin makeheaders token definitions *************************/
-/**************** End makeheaders token definitions ***************************/
+/* These constants specify the various numeric values for terminal symbols.
+***************** Begin token definitions *************************************/
+#ifndef TK_ID
+#define TK_ID                              1
+#define TK_BOOL                            2
+#define TK_TINYINT                         3
+#define TK_SMALLINT                        4
+#define TK_INTEGER                         5
+#define TK_BIGINT                          6
+#define TK_FLOAT                           7
+#define TK_DOUBLE                          8
+#define TK_STRING                          9
+#define TK_TIMESTAMP                      10
+#define TK_BINARY                         11
+#define TK_NCHAR                          12
+#define TK_OR                             13
+#define TK_AND                            14
+#define TK_NOT                            15
+#define TK_EQ                             16
+#define TK_NE                             17
+#define TK_ISNULL                         18
+#define TK_NOTNULL                        19
+#define TK_IS                             20
+#define TK_LIKE                           21
+#define TK_GLOB                           22
+#define TK_BETWEEN                        23
+#define TK_IN                             24
+#define TK_GT                             25
+#define TK_GE                             26
+#define TK_LT                             27
+#define TK_LE                             28
+#define TK_BITAND                         29
+#define TK_BITOR                          30
+#define TK_LSHIFT                         31
+#define TK_RSHIFT                         32
+#define TK_PLUS                           33
+#define TK_MINUS                          34
+#define TK_DIVIDE                         35
+#define TK_TIMES                          36
+#define TK_STAR                           37
+#define TK_SLASH                          38
+#define TK_REM                            39
+#define TK_CONCAT                         40
+#define TK_UMINUS                         41
+#define TK_UPLUS                          42
+#define TK_BITNOT                         43
+#define TK_SHOW                           44
+#define TK_DATABASES                      45
+#define TK_TOPICS                         46
+#define TK_FUNCTIONS                      47
+#define TK_MNODES                         48
+#define TK_DNODES                         49
+#define TK_ACCOUNTS                       50
+#define TK_USERS                          51
+#define TK_MODULES                        52
+#define TK_QUERIES                        53
+#define TK_CONNECTIONS                    54
+#define TK_STREAMS                        55
+#define TK_VARIABLES                      56
+#define TK_SCORES                         57
+#define TK_GRANTS                         58
+#define TK_VNODES                         59
+#define TK_IPTOKEN                        60
+#define TK_DOT                            61
+#define TK_CREATE                         62
+#define TK_TABLE                          63
+#define TK_STABLE                         64
+#define TK_DATABASE                       65
+#define TK_TABLES                         66
+#define TK_STABLES                        67
+#define TK_VGROUPS                        68
+#define TK_DROP                           69
+#define TK_TOPIC                          70
+#define TK_FUNCTION                       71
+#define TK_DNODE                          72
+#define TK_USER                           73
+#define TK_ACCOUNT                        74
+#define TK_USE                            75
+#define TK_DESCRIBE                       76
+#define TK_DESC                           77
+#define TK_ALTER                          78
+#define TK_PASS                           79
+#define TK_PRIVILEGE                      80
+#define TK_LOCAL                          81
+#define TK_COMPACT                        82
+#define TK_LP                             83
+#define TK_RP                             84
+#define TK_IF                             85
+#define TK_EXISTS                         86
+#define TK_AS                             87
+#define TK_OUTPUTTYPE                     88
+#define TK_AGGREGATE                      89
+#define TK_BUFSIZE                        90
+#define TK_PPS                            91
+#define TK_TSERIES                        92
+#define TK_DBS                            93
+#define TK_STORAGE                        94
+#define TK_QTIME                          95
+#define TK_CONNS                          96
+#define TK_STATE                          97
+#define TK_COMMA                          98
+#define TK_KEEP                           99
+#define TK_CACHE                          100
+#define TK_REPLICA                        101
+#define TK_QUORUM                         102
+#define TK_DAYS                           103
+#define TK_MINROWS                        104
+#define TK_MAXROWS                        105
+#define TK_BLOCKS                         106
+#define TK_CTIME                          107
+#define TK_WAL                            108
+#define TK_FSYNC                          109
+#define TK_COMP                           110
+#define TK_PRECISION                      111
+#define TK_UPDATE                         112
+#define TK_CACHELAST                      113
+#define TK_PARTITIONS                     114
+#define TK_UNSIGNED                       115
+#define TK_TAGS                           116
+#define TK_USING                          117
+#define TK_NULL                           118
+#define TK_NOW                            119
+#define TK_SELECT                         120
+#define TK_UNION                          121
+#define TK_ALL                            122
+#define TK_DISTINCT                       123
+#define TK_FROM                           124
+#define TK_VARIABLE                       125
+#define TK_INTERVAL                       126
+#define TK_EVERY                          127
+#define TK_SESSION                        128
+#define TK_STATE_WINDOW                   129
+#define TK_FILL                           130
+#define TK_SLIDING                        131
+#define TK_ORDER                          132
+#define TK_BY                             133
+#define TK_ASC                            134
+#define TK_GROUP                          135
+#define TK_HAVING                         136
+#define TK_LIMIT                          137
+#define TK_OFFSET                         138
+#define TK_SLIMIT                         139
+#define TK_SOFFSET                        140
+#define TK_WHERE                          141
+#define TK_RESET                          142
+#define TK_QUERY                          143
+#define TK_SYNCDB                         144
+#define TK_ADD                            145
+#define TK_COLUMN                         146
+#define TK_MODIFY                         147
+#define TK_TAG                            148
+#define TK_CHANGE                         149
+#define TK_SET                            150
+#define TK_KILL                           151
+#define TK_CONNECTION                     152
+#define TK_STREAM                         153
+#define TK_COLON                          154
+#define TK_ABORT                          155
+#define TK_AFTER                          156
+#define TK_ATTACH                         157
+#define TK_BEFORE                         158
+#define TK_BEGIN                          159
+#define TK_CASCADE                        160
+#define TK_CLUSTER                        161
+#define TK_CONFLICT                       162
+#define TK_COPY                           163
+#define TK_DEFERRED                       164
+#define TK_DELIMITERS                     165
+#define TK_DETACH                         166
+#define TK_EACH                           167
+#define TK_END                            168
+#define TK_EXPLAIN                        169
+#define TK_FAIL                           170
+#define TK_FOR                            171
+#define TK_IGNORE                         172
+#define TK_IMMEDIATE                      173
+#define TK_INITIALLY                      174
+#define TK_INSTEAD                        175
+#define TK_MATCH                          176
+#define TK_KEY                            177
+#define TK_OF                             178
+#define TK_RAISE                          179
+#define TK_REPLACE                        180
+#define TK_RESTRICT                       181
+#define TK_ROW                            182
+#define TK_STATEMENT                      183
+#define TK_TRIGGER                        184
+#define TK_VIEW                           185
+#define TK_SEMI                           186
+#define TK_NONE                           187
+#define TK_PREV                           188
+#define TK_LINEAR                         189
+#define TK_IMPORT                         190
+#define TK_TBNAME                         191
+#define TK_JOIN                           192
+#define TK_INSERT                         193
+#define TK_INTO                           194
+#define TK_VALUES                         195
+#define TK_FILE                           196
+#endif
+/**************** End token definitions ***************************************/
 
 /* The next sections is a series of control #defines.
 ** various aspects of the generated parser.
@@ -140,6 +335,7 @@ typedef union {
 #define YYFALLBACK 1
 #define YYNSTATE             363
 #define YYNRULE              291
+#define YYNRULE_WITH_ACTION  291
 #define YYNTOKEN             197
 #define YY_MAX_SHIFT         362
 #define YY_MIN_SHIFTREDUCE   571
@@ -767,6 +963,7 @@ typedef struct yyParser yyParser;
 
 #ifndef NDEBUG
 #include <stdio.h>
+#include <assert.h>
 static FILE *yyTraceFILE = 0;
 static char *yyTracePrompt = 0;
 #endif /* NDEBUG */
@@ -1681,15 +1878,18 @@ static YYACTIONTYPE yy_find_shift_action(
   do{
     i = yy_shift_ofst[stateno];
     assert( i>=0 );
-    /* assert( i+YYNTOKEN<=(int)YY_NLOOKAHEAD ); */
+    assert( i<=YY_ACTTAB_COUNT );
+    assert( i+YYNTOKEN<=(int)YY_NLOOKAHEAD );
     assert( iLookAhead!=YYNOCODE );
     assert( iLookAhead < YYNTOKEN );
     i += iLookAhead;
-    if( i>=YY_NLOOKAHEAD || yy_lookahead[i]!=iLookAhead ){
+    assert( i<(int)YY_NLOOKAHEAD );
+    if( yy_lookahead[i]!=iLookAhead ){
 #ifdef YYFALLBACK
       YYCODETYPE iFallback;            /* Fallback token */
-      if( iLookAhead<sizeof(yyFallback)/sizeof(yyFallback[0])
-             && (iFallback = yyFallback[iLookAhead])!=0 ){
+      assert( iLookAhead<sizeof(yyFallback)/sizeof(yyFallback[0]) );
+      iFallback = yyFallback[iLookAhead];
+      if( iFallback!=0 ){
 #ifndef NDEBUG
         if( yyTraceFILE ){
           fprintf(yyTraceFILE, "%sFALLBACK %s => %s\n",
@@ -1704,16 +1904,8 @@ static YYACTIONTYPE yy_find_shift_action(
 #ifdef YYWILDCARD
       {
         int j = i - iLookAhead + YYWILDCARD;
-        if( 
-#if YY_SHIFT_MIN+YYWILDCARD<0
-          j>=0 &&
-#endif
-#if YY_SHIFT_MAX+YYWILDCARD>=YY_ACTTAB_COUNT
-          j<YY_ACTTAB_COUNT &&
-#endif
-          j<(int)(sizeof(yy_lookahead)/sizeof(yy_lookahead[0])) &&
-          yy_lookahead[j]==YYWILDCARD && iLookAhead>0
-        ){
+        assert( j<(int)(sizeof(yy_lookahead)/sizeof(yy_lookahead[0])) );
+        if( yy_lookahead[j]==YYWILDCARD && iLookAhead>0 ){
 #ifndef NDEBUG
           if( yyTraceFILE ){
             fprintf(yyTraceFILE, "%sWILDCARD %s => %s\n",
@@ -1727,6 +1919,7 @@ static YYACTIONTYPE yy_find_shift_action(
 #endif /* YYWILDCARD */
       return yy_default[stateno];
     }else{
+      assert( i>=0 && i<(int)(sizeof(yy_action)/sizeof(yy_action[0])) );
       return yy_action[i];
     }
   }while(1);
@@ -1845,304 +2038,596 @@ static void yy_shift(
   yyTraceShift(yypParser, yyNewState, "Shift");
 }
 
-/* The following table contains information about every rule that
-** is used during the reduce.
-*/
-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[] = {
-  {  197,   -1 }, /* (0) program ::= cmd */
-  {  198,   -2 }, /* (1) cmd ::= SHOW DATABASES */
-  {  198,   -2 }, /* (2) cmd ::= SHOW TOPICS */
-  {  198,   -2 }, /* (3) cmd ::= SHOW FUNCTIONS */
-  {  198,   -2 }, /* (4) cmd ::= SHOW MNODES */
-  {  198,   -2 }, /* (5) cmd ::= SHOW DNODES */
-  {  198,   -2 }, /* (6) cmd ::= SHOW ACCOUNTS */
-  {  198,   -2 }, /* (7) cmd ::= SHOW USERS */
-  {  198,   -2 }, /* (8) cmd ::= SHOW MODULES */
-  {  198,   -2 }, /* (9) cmd ::= SHOW QUERIES */
-  {  198,   -2 }, /* (10) cmd ::= SHOW CONNECTIONS */
-  {  198,   -2 }, /* (11) cmd ::= SHOW STREAMS */
-  {  198,   -2 }, /* (12) cmd ::= SHOW VARIABLES */
-  {  198,   -2 }, /* (13) cmd ::= SHOW SCORES */
-  {  198,   -2 }, /* (14) cmd ::= SHOW GRANTS */
-  {  198,   -2 }, /* (15) cmd ::= SHOW VNODES */
-  {  198,   -3 }, /* (16) cmd ::= SHOW VNODES IPTOKEN */
-  {  199,    0 }, /* (17) dbPrefix ::= */
-  {  199,   -2 }, /* (18) dbPrefix ::= ids DOT */
-  {  201,    0 }, /* (19) cpxName ::= */
-  {  201,   -2 }, /* (20) cpxName ::= DOT ids */
-  {  198,   -5 }, /* (21) cmd ::= SHOW CREATE TABLE ids cpxName */
-  {  198,   -5 }, /* (22) cmd ::= SHOW CREATE STABLE ids cpxName */
-  {  198,   -4 }, /* (23) cmd ::= SHOW CREATE DATABASE ids */
-  {  198,   -3 }, /* (24) cmd ::= SHOW dbPrefix TABLES */
-  {  198,   -5 }, /* (25) cmd ::= SHOW dbPrefix TABLES LIKE ids */
-  {  198,   -3 }, /* (26) cmd ::= SHOW dbPrefix STABLES */
-  {  198,   -5 }, /* (27) cmd ::= SHOW dbPrefix STABLES LIKE ids */
-  {  198,   -3 }, /* (28) cmd ::= SHOW dbPrefix VGROUPS */
-  {  198,   -5 }, /* (29) cmd ::= DROP TABLE ifexists ids cpxName */
-  {  198,   -5 }, /* (30) cmd ::= DROP STABLE ifexists ids cpxName */
-  {  198,   -4 }, /* (31) cmd ::= DROP DATABASE ifexists ids */
-  {  198,   -4 }, /* (32) cmd ::= DROP TOPIC ifexists ids */
-  {  198,   -3 }, /* (33) cmd ::= DROP FUNCTION ids */
-  {  198,   -3 }, /* (34) cmd ::= DROP DNODE ids */
-  {  198,   -3 }, /* (35) cmd ::= DROP USER ids */
-  {  198,   -3 }, /* (36) cmd ::= DROP ACCOUNT ids */
-  {  198,   -2 }, /* (37) cmd ::= USE ids */
-  {  198,   -3 }, /* (38) cmd ::= DESCRIBE ids cpxName */
-  {  198,   -3 }, /* (39) cmd ::= DESC ids cpxName */
-  {  198,   -5 }, /* (40) cmd ::= ALTER USER ids PASS ids */
-  {  198,   -5 }, /* (41) cmd ::= ALTER USER ids PRIVILEGE ids */
-  {  198,   -4 }, /* (42) cmd ::= ALTER DNODE ids ids */
-  {  198,   -5 }, /* (43) cmd ::= ALTER DNODE ids ids ids */
-  {  198,   -3 }, /* (44) cmd ::= ALTER LOCAL ids */
-  {  198,   -4 }, /* (45) cmd ::= ALTER LOCAL ids ids */
-  {  198,   -4 }, /* (46) cmd ::= ALTER DATABASE ids alter_db_optr */
-  {  198,   -4 }, /* (47) cmd ::= ALTER TOPIC ids alter_topic_optr */
-  {  198,   -4 }, /* (48) cmd ::= ALTER ACCOUNT ids acct_optr */
-  {  198,   -6 }, /* (49) cmd ::= ALTER ACCOUNT ids PASS ids acct_optr */
-  {  198,   -6 }, /* (50) cmd ::= COMPACT VNODES IN LP exprlist RP */
-  {  200,   -1 }, /* (51) ids ::= ID */
-  {  200,   -1 }, /* (52) ids ::= STRING */
-  {  202,   -2 }, /* (53) ifexists ::= IF EXISTS */
-  {  202,    0 }, /* (54) ifexists ::= */
-  {  207,   -3 }, /* (55) ifnotexists ::= IF NOT EXISTS */
-  {  207,    0 }, /* (56) ifnotexists ::= */
-  {  198,   -3 }, /* (57) cmd ::= CREATE DNODE ids */
-  {  198,   -6 }, /* (58) cmd ::= CREATE ACCOUNT ids PASS ids acct_optr */
-  {  198,   -5 }, /* (59) cmd ::= CREATE DATABASE ifnotexists ids db_optr */
-  {  198,   -5 }, /* (60) cmd ::= CREATE TOPIC ifnotexists ids topic_optr */
-  {  198,   -8 }, /* (61) cmd ::= CREATE FUNCTION ids AS ids OUTPUTTYPE typename bufsize */
-  {  198,   -9 }, /* (62) cmd ::= CREATE AGGREGATE FUNCTION ids AS ids OUTPUTTYPE typename bufsize */
-  {  198,   -5 }, /* (63) cmd ::= CREATE USER ids PASS ids */
-  {  211,    0 }, /* (64) bufsize ::= */
-  {  211,   -2 }, /* (65) bufsize ::= BUFSIZE INTEGER */
-  {  212,    0 }, /* (66) pps ::= */
-  {  212,   -2 }, /* (67) pps ::= PPS INTEGER */
-  {  213,    0 }, /* (68) tseries ::= */
-  {  213,   -2 }, /* (69) tseries ::= TSERIES INTEGER */
-  {  214,    0 }, /* (70) dbs ::= */
-  {  214,   -2 }, /* (71) dbs ::= DBS INTEGER */
-  {  215,    0 }, /* (72) streams ::= */
-  {  215,   -2 }, /* (73) streams ::= STREAMS INTEGER */
-  {  216,    0 }, /* (74) storage ::= */
-  {  216,   -2 }, /* (75) storage ::= STORAGE INTEGER */
-  {  217,    0 }, /* (76) qtime ::= */
-  {  217,   -2 }, /* (77) qtime ::= QTIME INTEGER */
-  {  218,    0 }, /* (78) users ::= */
-  {  218,   -2 }, /* (79) users ::= USERS INTEGER */
-  {  219,    0 }, /* (80) conns ::= */
-  {  219,   -2 }, /* (81) conns ::= CONNS INTEGER */
-  {  220,    0 }, /* (82) state ::= */
-  {  220,   -2 }, /* (83) state ::= STATE ids */
-  {  205,   -9 }, /* (84) acct_optr ::= pps tseries storage streams qtime dbs users conns state */
-  {  221,   -3 }, /* (85) intitemlist ::= intitemlist COMMA intitem */
-  {  221,   -1 }, /* (86) intitemlist ::= intitem */
-  {  222,   -1 }, /* (87) intitem ::= INTEGER */
-  {  223,   -2 }, /* (88) keep ::= KEEP intitemlist */
-  {  224,   -2 }, /* (89) cache ::= CACHE INTEGER */
-  {  225,   -2 }, /* (90) replica ::= REPLICA INTEGER */
-  {  226,   -2 }, /* (91) quorum ::= QUORUM INTEGER */
-  {  227,   -2 }, /* (92) days ::= DAYS INTEGER */
-  {  228,   -2 }, /* (93) minrows ::= MINROWS INTEGER */
-  {  229,   -2 }, /* (94) maxrows ::= MAXROWS INTEGER */
-  {  230,   -2 }, /* (95) blocks ::= BLOCKS INTEGER */
-  {  231,   -2 }, /* (96) ctime ::= CTIME INTEGER */
-  {  232,   -2 }, /* (97) wal ::= WAL INTEGER */
-  {  233,   -2 }, /* (98) fsync ::= FSYNC INTEGER */
-  {  234,   -2 }, /* (99) comp ::= COMP INTEGER */
-  {  235,   -2 }, /* (100) prec ::= PRECISION STRING */
-  {  236,   -2 }, /* (101) update ::= UPDATE INTEGER */
-  {  237,   -2 }, /* (102) cachelast ::= CACHELAST INTEGER */
-  {  238,   -2 }, /* (103) partitions ::= PARTITIONS INTEGER */
-  {  208,    0 }, /* (104) db_optr ::= */
-  {  208,   -2 }, /* (105) db_optr ::= db_optr cache */
-  {  208,   -2 }, /* (106) db_optr ::= db_optr replica */
-  {  208,   -2 }, /* (107) db_optr ::= db_optr quorum */
-  {  208,   -2 }, /* (108) db_optr ::= db_optr days */
-  {  208,   -2 }, /* (109) db_optr ::= db_optr minrows */
-  {  208,   -2 }, /* (110) db_optr ::= db_optr maxrows */
-  {  208,   -2 }, /* (111) db_optr ::= db_optr blocks */
-  {  208,   -2 }, /* (112) db_optr ::= db_optr ctime */
-  {  208,   -2 }, /* (113) db_optr ::= db_optr wal */
-  {  208,   -2 }, /* (114) db_optr ::= db_optr fsync */
-  {  208,   -2 }, /* (115) db_optr ::= db_optr comp */
-  {  208,   -2 }, /* (116) db_optr ::= db_optr prec */
-  {  208,   -2 }, /* (117) db_optr ::= db_optr keep */
-  {  208,   -2 }, /* (118) db_optr ::= db_optr update */
-  {  208,   -2 }, /* (119) db_optr ::= db_optr cachelast */
-  {  209,   -1 }, /* (120) topic_optr ::= db_optr */
-  {  209,   -2 }, /* (121) topic_optr ::= topic_optr partitions */
-  {  203,    0 }, /* (122) alter_db_optr ::= */
-  {  203,   -2 }, /* (123) alter_db_optr ::= alter_db_optr replica */
-  {  203,   -2 }, /* (124) alter_db_optr ::= alter_db_optr quorum */
-  {  203,   -2 }, /* (125) alter_db_optr ::= alter_db_optr keep */
-  {  203,   -2 }, /* (126) alter_db_optr ::= alter_db_optr blocks */
-  {  203,   -2 }, /* (127) alter_db_optr ::= alter_db_optr comp */
-  {  203,   -2 }, /* (128) alter_db_optr ::= alter_db_optr update */
-  {  203,   -2 }, /* (129) alter_db_optr ::= alter_db_optr cachelast */
-  {  204,   -1 }, /* (130) alter_topic_optr ::= alter_db_optr */
-  {  204,   -2 }, /* (131) alter_topic_optr ::= alter_topic_optr partitions */
-  {  210,   -1 }, /* (132) typename ::= ids */
-  {  210,   -4 }, /* (133) typename ::= ids LP signed RP */
-  {  210,   -2 }, /* (134) typename ::= ids UNSIGNED */
-  {  239,   -1 }, /* (135) signed ::= INTEGER */
-  {  239,   -2 }, /* (136) signed ::= PLUS INTEGER */
-  {  239,   -2 }, /* (137) signed ::= MINUS INTEGER */
-  {  198,   -3 }, /* (138) cmd ::= CREATE TABLE create_table_args */
-  {  198,   -3 }, /* (139) cmd ::= CREATE TABLE create_stable_args */
-  {  198,   -3 }, /* (140) cmd ::= CREATE STABLE create_stable_args */
-  {  198,   -3 }, /* (141) cmd ::= CREATE TABLE create_table_list */
-  {  242,   -1 }, /* (142) create_table_list ::= create_from_stable */
-  {  242,   -2 }, /* (143) create_table_list ::= create_table_list create_from_stable */
-  {  240,   -6 }, /* (144) create_table_args ::= ifnotexists ids cpxName LP columnlist RP */
-  {  241,  -10 }, /* (145) create_stable_args ::= ifnotexists ids cpxName LP columnlist RP TAGS LP columnlist RP */
-  {  243,  -10 }, /* (146) create_from_stable ::= ifnotexists ids cpxName USING ids cpxName TAGS LP tagitemlist RP */
-  {  243,  -13 }, /* (147) create_from_stable ::= ifnotexists ids cpxName USING ids cpxName LP tagNamelist RP TAGS LP tagitemlist RP */
-  {  246,   -3 }, /* (148) tagNamelist ::= tagNamelist COMMA ids */
-  {  246,   -1 }, /* (149) tagNamelist ::= ids */
-  {  240,   -5 }, /* (150) create_table_args ::= ifnotexists ids cpxName AS select */
-  {  244,   -3 }, /* (151) columnlist ::= columnlist COMMA column */
-  {  244,   -1 }, /* (152) columnlist ::= column */
-  {  248,   -2 }, /* (153) column ::= ids typename */
-  {  245,   -3 }, /* (154) tagitemlist ::= tagitemlist COMMA tagitem */
-  {  245,   -1 }, /* (155) tagitemlist ::= tagitem */
-  {  249,   -1 }, /* (156) tagitem ::= INTEGER */
-  {  249,   -1 }, /* (157) tagitem ::= FLOAT */
-  {  249,   -1 }, /* (158) tagitem ::= STRING */
-  {  249,   -1 }, /* (159) tagitem ::= BOOL */
-  {  249,   -1 }, /* (160) tagitem ::= NULL */
-  {  249,   -1 }, /* (161) tagitem ::= NOW */
-  {  249,   -2 }, /* (162) tagitem ::= MINUS INTEGER */
-  {  249,   -2 }, /* (163) tagitem ::= MINUS FLOAT */
-  {  249,   -2 }, /* (164) tagitem ::= PLUS INTEGER */
-  {  249,   -2 }, /* (165) tagitem ::= PLUS FLOAT */
-  {  247,  -14 }, /* (166) select ::= SELECT selcollist from where_opt interval_option sliding_opt session_option windowstate_option fill_opt groupby_opt having_opt orderby_opt slimit_opt limit_opt */
-  {  247,   -3 }, /* (167) select ::= LP select RP */
-  {  263,   -1 }, /* (168) union ::= select */
-  {  263,   -4 }, /* (169) union ::= union UNION ALL select */
-  {  198,   -1 }, /* (170) cmd ::= union */
-  {  247,   -2 }, /* (171) select ::= SELECT selcollist */
-  {  264,   -2 }, /* (172) sclp ::= selcollist COMMA */
-  {  264,    0 }, /* (173) sclp ::= */
-  {  250,   -4 }, /* (174) selcollist ::= sclp distinct expr as */
-  {  250,   -2 }, /* (175) selcollist ::= sclp STAR */
-  {  267,   -2 }, /* (176) as ::= AS ids */
-  {  267,   -1 }, /* (177) as ::= ids */
-  {  267,    0 }, /* (178) as ::= */
-  {  265,   -1 }, /* (179) distinct ::= DISTINCT */
-  {  265,    0 }, /* (180) distinct ::= */
-  {  251,   -2 }, /* (181) from ::= FROM tablelist */
-  {  251,   -2 }, /* (182) from ::= FROM sub */
-  {  269,   -3 }, /* (183) sub ::= LP union RP */
-  {  269,   -4 }, /* (184) sub ::= LP union RP ids */
-  {  269,   -6 }, /* (185) sub ::= sub COMMA LP union RP ids */
-  {  268,   -2 }, /* (186) tablelist ::= ids cpxName */
-  {  268,   -3 }, /* (187) tablelist ::= ids cpxName ids */
-  {  268,   -4 }, /* (188) tablelist ::= tablelist COMMA ids cpxName */
-  {  268,   -5 }, /* (189) tablelist ::= tablelist COMMA ids cpxName ids */
-  {  270,   -1 }, /* (190) tmvar ::= VARIABLE */
-  {  253,   -4 }, /* (191) interval_option ::= intervalKey LP tmvar RP */
-  {  253,   -6 }, /* (192) interval_option ::= intervalKey LP tmvar COMMA tmvar RP */
-  {  253,    0 }, /* (193) interval_option ::= */
-  {  271,   -1 }, /* (194) intervalKey ::= INTERVAL */
-  {  271,   -1 }, /* (195) intervalKey ::= EVERY */
-  {  255,    0 }, /* (196) session_option ::= */
-  {  255,   -7 }, /* (197) session_option ::= SESSION LP ids cpxName COMMA tmvar RP */
-  {  256,    0 }, /* (198) windowstate_option ::= */
-  {  256,   -4 }, /* (199) windowstate_option ::= STATE_WINDOW LP ids RP */
-  {  257,    0 }, /* (200) fill_opt ::= */
-  {  257,   -6 }, /* (201) fill_opt ::= FILL LP ID COMMA tagitemlist RP */
-  {  257,   -4 }, /* (202) fill_opt ::= FILL LP ID RP */
-  {  254,   -4 }, /* (203) sliding_opt ::= SLIDING LP tmvar RP */
-  {  254,    0 }, /* (204) sliding_opt ::= */
-  {  260,    0 }, /* (205) orderby_opt ::= */
-  {  260,   -3 }, /* (206) orderby_opt ::= ORDER BY sortlist */
-  {  272,   -4 }, /* (207) sortlist ::= sortlist COMMA item sortorder */
-  {  272,   -2 }, /* (208) sortlist ::= item sortorder */
-  {  274,   -2 }, /* (209) item ::= ids cpxName */
-  {  275,   -1 }, /* (210) sortorder ::= ASC */
-  {  275,   -1 }, /* (211) sortorder ::= DESC */
-  {  275,    0 }, /* (212) sortorder ::= */
-  {  258,    0 }, /* (213) groupby_opt ::= */
-  {  258,   -3 }, /* (214) groupby_opt ::= GROUP BY grouplist */
-  {  276,   -3 }, /* (215) grouplist ::= grouplist COMMA item */
-  {  276,   -1 }, /* (216) grouplist ::= item */
-  {  259,    0 }, /* (217) having_opt ::= */
-  {  259,   -2 }, /* (218) having_opt ::= HAVING expr */
-  {  262,    0 }, /* (219) limit_opt ::= */
-  {  262,   -2 }, /* (220) limit_opt ::= LIMIT signed */
-  {  262,   -4 }, /* (221) limit_opt ::= LIMIT signed OFFSET signed */
-  {  262,   -4 }, /* (222) limit_opt ::= LIMIT signed COMMA signed */
-  {  261,    0 }, /* (223) slimit_opt ::= */
-  {  261,   -2 }, /* (224) slimit_opt ::= SLIMIT signed */
-  {  261,   -4 }, /* (225) slimit_opt ::= SLIMIT signed SOFFSET signed */
-  {  261,   -4 }, /* (226) slimit_opt ::= SLIMIT signed COMMA signed */
-  {  252,    0 }, /* (227) where_opt ::= */
-  {  252,   -2 }, /* (228) where_opt ::= WHERE expr */
-  {  266,   -3 }, /* (229) expr ::= LP expr RP */
-  {  266,   -1 }, /* (230) expr ::= ID */
-  {  266,   -3 }, /* (231) expr ::= ID DOT ID */
-  {  266,   -3 }, /* (232) expr ::= ID DOT STAR */
-  {  266,   -1 }, /* (233) expr ::= INTEGER */
-  {  266,   -2 }, /* (234) expr ::= MINUS INTEGER */
-  {  266,   -2 }, /* (235) expr ::= PLUS INTEGER */
-  {  266,   -1 }, /* (236) expr ::= FLOAT */
-  {  266,   -2 }, /* (237) expr ::= MINUS FLOAT */
-  {  266,   -2 }, /* (238) expr ::= PLUS FLOAT */
-  {  266,   -1 }, /* (239) expr ::= STRING */
-  {  266,   -1 }, /* (240) expr ::= NOW */
-  {  266,   -1 }, /* (241) expr ::= VARIABLE */
-  {  266,   -2 }, /* (242) expr ::= PLUS VARIABLE */
-  {  266,   -2 }, /* (243) expr ::= MINUS VARIABLE */
-  {  266,   -1 }, /* (244) expr ::= BOOL */
-  {  266,   -1 }, /* (245) expr ::= NULL */
-  {  266,   -4 }, /* (246) expr ::= ID LP exprlist RP */
-  {  266,   -4 }, /* (247) expr ::= ID LP STAR RP */
-  {  266,   -3 }, /* (248) expr ::= expr IS NULL */
-  {  266,   -4 }, /* (249) expr ::= expr IS NOT NULL */
-  {  266,   -3 }, /* (250) expr ::= expr LT expr */
-  {  266,   -3 }, /* (251) expr ::= expr GT expr */
-  {  266,   -3 }, /* (252) expr ::= expr LE expr */
-  {  266,   -3 }, /* (253) expr ::= expr GE expr */
-  {  266,   -3 }, /* (254) expr ::= expr NE expr */
-  {  266,   -3 }, /* (255) expr ::= expr EQ expr */
-  {  266,   -5 }, /* (256) expr ::= expr BETWEEN expr AND expr */
-  {  266,   -3 }, /* (257) expr ::= expr AND expr */
-  {  266,   -3 }, /* (258) expr ::= expr OR expr */
-  {  266,   -3 }, /* (259) expr ::= expr PLUS expr */
-  {  266,   -3 }, /* (260) expr ::= expr MINUS expr */
-  {  266,   -3 }, /* (261) expr ::= expr STAR expr */
-  {  266,   -3 }, /* (262) expr ::= expr SLASH expr */
-  {  266,   -3 }, /* (263) expr ::= expr REM expr */
-  {  266,   -3 }, /* (264) expr ::= expr LIKE expr */
-  {  266,   -5 }, /* (265) expr ::= expr IN LP exprlist RP */
-  {  206,   -3 }, /* (266) exprlist ::= exprlist COMMA expritem */
-  {  206,   -1 }, /* (267) exprlist ::= expritem */
-  {  277,   -1 }, /* (268) expritem ::= expr */
-  {  277,    0 }, /* (269) expritem ::= */
-  {  198,   -3 }, /* (270) cmd ::= RESET QUERY CACHE */
-  {  198,   -3 }, /* (271) cmd ::= SYNCDB ids REPLICA */
-  {  198,   -7 }, /* (272) cmd ::= ALTER TABLE ids cpxName ADD COLUMN columnlist */
-  {  198,   -7 }, /* (273) cmd ::= ALTER TABLE ids cpxName DROP COLUMN ids */
-  {  198,   -7 }, /* (274) cmd ::= ALTER TABLE ids cpxName MODIFY COLUMN columnlist */
-  {  198,   -7 }, /* (275) cmd ::= ALTER TABLE ids cpxName ADD TAG columnlist */
-  {  198,   -7 }, /* (276) cmd ::= ALTER TABLE ids cpxName DROP TAG ids */
-  {  198,   -8 }, /* (277) cmd ::= ALTER TABLE ids cpxName CHANGE TAG ids ids */
-  {  198,   -9 }, /* (278) cmd ::= ALTER TABLE ids cpxName SET TAG ids EQ tagitem */
-  {  198,   -7 }, /* (279) cmd ::= ALTER TABLE ids cpxName MODIFY TAG columnlist */
-  {  198,   -7 }, /* (280) cmd ::= ALTER STABLE ids cpxName ADD COLUMN columnlist */
-  {  198,   -7 }, /* (281) cmd ::= ALTER STABLE ids cpxName DROP COLUMN ids */
-  {  198,   -7 }, /* (282) cmd ::= ALTER STABLE ids cpxName MODIFY COLUMN columnlist */
-  {  198,   -7 }, /* (283) cmd ::= ALTER STABLE ids cpxName ADD TAG columnlist */
-  {  198,   -7 }, /* (284) cmd ::= ALTER STABLE ids cpxName DROP TAG ids */
-  {  198,   -8 }, /* (285) cmd ::= ALTER STABLE ids cpxName CHANGE TAG ids ids */
-  {  198,   -9 }, /* (286) cmd ::= ALTER STABLE ids cpxName SET TAG ids EQ tagitem */
-  {  198,   -7 }, /* (287) cmd ::= ALTER STABLE ids cpxName MODIFY TAG columnlist */
-  {  198,   -3 }, /* (288) cmd ::= KILL CONNECTION INTEGER */
-  {  198,   -5 }, /* (289) cmd ::= KILL STREAM INTEGER COLON INTEGER */
-  {  198,   -5 }, /* (290) cmd ::= KILL QUERY INTEGER COLON INTEGER */
+/* For rule J, yyRuleInfoLhs[J] contains the symbol on the left-hand side
+** of that rule */
+static const YYCODETYPE yyRuleInfoLhs[] = {
+   197,  /* (0) program ::= cmd */
+   198,  /* (1) cmd ::= SHOW DATABASES */
+   198,  /* (2) cmd ::= SHOW TOPICS */
+   198,  /* (3) cmd ::= SHOW FUNCTIONS */
+   198,  /* (4) cmd ::= SHOW MNODES */
+   198,  /* (5) cmd ::= SHOW DNODES */
+   198,  /* (6) cmd ::= SHOW ACCOUNTS */
+   198,  /* (7) cmd ::= SHOW USERS */
+   198,  /* (8) cmd ::= SHOW MODULES */
+   198,  /* (9) cmd ::= SHOW QUERIES */
+   198,  /* (10) cmd ::= SHOW CONNECTIONS */
+   198,  /* (11) cmd ::= SHOW STREAMS */
+   198,  /* (12) cmd ::= SHOW VARIABLES */
+   198,  /* (13) cmd ::= SHOW SCORES */
+   198,  /* (14) cmd ::= SHOW GRANTS */
+   198,  /* (15) cmd ::= SHOW VNODES */
+   198,  /* (16) cmd ::= SHOW VNODES IPTOKEN */
+   199,  /* (17) dbPrefix ::= */
+   199,  /* (18) dbPrefix ::= ids DOT */
+   201,  /* (19) cpxName ::= */
+   201,  /* (20) cpxName ::= DOT ids */
+   198,  /* (21) cmd ::= SHOW CREATE TABLE ids cpxName */
+   198,  /* (22) cmd ::= SHOW CREATE STABLE ids cpxName */
+   198,  /* (23) cmd ::= SHOW CREATE DATABASE ids */
+   198,  /* (24) cmd ::= SHOW dbPrefix TABLES */
+   198,  /* (25) cmd ::= SHOW dbPrefix TABLES LIKE ids */
+   198,  /* (26) cmd ::= SHOW dbPrefix STABLES */
+   198,  /* (27) cmd ::= SHOW dbPrefix STABLES LIKE ids */
+   198,  /* (28) cmd ::= SHOW dbPrefix VGROUPS */
+   198,  /* (29) cmd ::= DROP TABLE ifexists ids cpxName */
+   198,  /* (30) cmd ::= DROP STABLE ifexists ids cpxName */
+   198,  /* (31) cmd ::= DROP DATABASE ifexists ids */
+   198,  /* (32) cmd ::= DROP TOPIC ifexists ids */
+   198,  /* (33) cmd ::= DROP FUNCTION ids */
+   198,  /* (34) cmd ::= DROP DNODE ids */
+   198,  /* (35) cmd ::= DROP USER ids */
+   198,  /* (36) cmd ::= DROP ACCOUNT ids */
+   198,  /* (37) cmd ::= USE ids */
+   198,  /* (38) cmd ::= DESCRIBE ids cpxName */
+   198,  /* (39) cmd ::= DESC ids cpxName */
+   198,  /* (40) cmd ::= ALTER USER ids PASS ids */
+   198,  /* (41) cmd ::= ALTER USER ids PRIVILEGE ids */
+   198,  /* (42) cmd ::= ALTER DNODE ids ids */
+   198,  /* (43) cmd ::= ALTER DNODE ids ids ids */
+   198,  /* (44) cmd ::= ALTER LOCAL ids */
+   198,  /* (45) cmd ::= ALTER LOCAL ids ids */
+   198,  /* (46) cmd ::= ALTER DATABASE ids alter_db_optr */
+   198,  /* (47) cmd ::= ALTER TOPIC ids alter_topic_optr */
+   198,  /* (48) cmd ::= ALTER ACCOUNT ids acct_optr */
+   198,  /* (49) cmd ::= ALTER ACCOUNT ids PASS ids acct_optr */
+   198,  /* (50) cmd ::= COMPACT VNODES IN LP exprlist RP */
+   200,  /* (51) ids ::= ID */
+   200,  /* (52) ids ::= STRING */
+   202,  /* (53) ifexists ::= IF EXISTS */
+   202,  /* (54) ifexists ::= */
+   207,  /* (55) ifnotexists ::= IF NOT EXISTS */
+   207,  /* (56) ifnotexists ::= */
+   198,  /* (57) cmd ::= CREATE DNODE ids */
+   198,  /* (58) cmd ::= CREATE ACCOUNT ids PASS ids acct_optr */
+   198,  /* (59) cmd ::= CREATE DATABASE ifnotexists ids db_optr */
+   198,  /* (60) cmd ::= CREATE TOPIC ifnotexists ids topic_optr */
+   198,  /* (61) cmd ::= CREATE FUNCTION ids AS ids OUTPUTTYPE typename bufsize */
+   198,  /* (62) cmd ::= CREATE AGGREGATE FUNCTION ids AS ids OUTPUTTYPE typename bufsize */
+   198,  /* (63) cmd ::= CREATE USER ids PASS ids */
+   211,  /* (64) bufsize ::= */
+   211,  /* (65) bufsize ::= BUFSIZE INTEGER */
+   212,  /* (66) pps ::= */
+   212,  /* (67) pps ::= PPS INTEGER */
+   213,  /* (68) tseries ::= */
+   213,  /* (69) tseries ::= TSERIES INTEGER */
+   214,  /* (70) dbs ::= */
+   214,  /* (71) dbs ::= DBS INTEGER */
+   215,  /* (72) streams ::= */
+   215,  /* (73) streams ::= STREAMS INTEGER */
+   216,  /* (74) storage ::= */
+   216,  /* (75) storage ::= STORAGE INTEGER */
+   217,  /* (76) qtime ::= */
+   217,  /* (77) qtime ::= QTIME INTEGER */
+   218,  /* (78) users ::= */
+   218,  /* (79) users ::= USERS INTEGER */
+   219,  /* (80) conns ::= */
+   219,  /* (81) conns ::= CONNS INTEGER */
+   220,  /* (82) state ::= */
+   220,  /* (83) state ::= STATE ids */
+   205,  /* (84) acct_optr ::= pps tseries storage streams qtime dbs users conns state */
+   221,  /* (85) intitemlist ::= intitemlist COMMA intitem */
+   221,  /* (86) intitemlist ::= intitem */
+   222,  /* (87) intitem ::= INTEGER */
+   223,  /* (88) keep ::= KEEP intitemlist */
+   224,  /* (89) cache ::= CACHE INTEGER */
+   225,  /* (90) replica ::= REPLICA INTEGER */
+   226,  /* (91) quorum ::= QUORUM INTEGER */
+   227,  /* (92) days ::= DAYS INTEGER */
+   228,  /* (93) minrows ::= MINROWS INTEGER */
+   229,  /* (94) maxrows ::= MAXROWS INTEGER */
+   230,  /* (95) blocks ::= BLOCKS INTEGER */
+   231,  /* (96) ctime ::= CTIME INTEGER */
+   232,  /* (97) wal ::= WAL INTEGER */
+   233,  /* (98) fsync ::= FSYNC INTEGER */
+   234,  /* (99) comp ::= COMP INTEGER */
+   235,  /* (100) prec ::= PRECISION STRING */
+   236,  /* (101) update ::= UPDATE INTEGER */
+   237,  /* (102) cachelast ::= CACHELAST INTEGER */
+   238,  /* (103) partitions ::= PARTITIONS INTEGER */
+   208,  /* (104) db_optr ::= */
+   208,  /* (105) db_optr ::= db_optr cache */
+   208,  /* (106) db_optr ::= db_optr replica */
+   208,  /* (107) db_optr ::= db_optr quorum */
+   208,  /* (108) db_optr ::= db_optr days */
+   208,  /* (109) db_optr ::= db_optr minrows */
+   208,  /* (110) db_optr ::= db_optr maxrows */
+   208,  /* (111) db_optr ::= db_optr blocks */
+   208,  /* (112) db_optr ::= db_optr ctime */
+   208,  /* (113) db_optr ::= db_optr wal */
+   208,  /* (114) db_optr ::= db_optr fsync */
+   208,  /* (115) db_optr ::= db_optr comp */
+   208,  /* (116) db_optr ::= db_optr prec */
+   208,  /* (117) db_optr ::= db_optr keep */
+   208,  /* (118) db_optr ::= db_optr update */
+   208,  /* (119) db_optr ::= db_optr cachelast */
+   209,  /* (120) topic_optr ::= db_optr */
+   209,  /* (121) topic_optr ::= topic_optr partitions */
+   203,  /* (122) alter_db_optr ::= */
+   203,  /* (123) alter_db_optr ::= alter_db_optr replica */
+   203,  /* (124) alter_db_optr ::= alter_db_optr quorum */
+   203,  /* (125) alter_db_optr ::= alter_db_optr keep */
+   203,  /* (126) alter_db_optr ::= alter_db_optr blocks */
+   203,  /* (127) alter_db_optr ::= alter_db_optr comp */
+   203,  /* (128) alter_db_optr ::= alter_db_optr update */
+   203,  /* (129) alter_db_optr ::= alter_db_optr cachelast */
+   204,  /* (130) alter_topic_optr ::= alter_db_optr */
+   204,  /* (131) alter_topic_optr ::= alter_topic_optr partitions */
+   210,  /* (132) typename ::= ids */
+   210,  /* (133) typename ::= ids LP signed RP */
+   210,  /* (134) typename ::= ids UNSIGNED */
+   239,  /* (135) signed ::= INTEGER */
+   239,  /* (136) signed ::= PLUS INTEGER */
+   239,  /* (137) signed ::= MINUS INTEGER */
+   198,  /* (138) cmd ::= CREATE TABLE create_table_args */
+   198,  /* (139) cmd ::= CREATE TABLE create_stable_args */
+   198,  /* (140) cmd ::= CREATE STABLE create_stable_args */
+   198,  /* (141) cmd ::= CREATE TABLE create_table_list */
+   242,  /* (142) create_table_list ::= create_from_stable */
+   242,  /* (143) create_table_list ::= create_table_list create_from_stable */
+   240,  /* (144) create_table_args ::= ifnotexists ids cpxName LP columnlist RP */
+   241,  /* (145) create_stable_args ::= ifnotexists ids cpxName LP columnlist RP TAGS LP columnlist RP */
+   243,  /* (146) create_from_stable ::= ifnotexists ids cpxName USING ids cpxName TAGS LP tagitemlist RP */
+   243,  /* (147) create_from_stable ::= ifnotexists ids cpxName USING ids cpxName LP tagNamelist RP TAGS LP tagitemlist RP */
+   246,  /* (148) tagNamelist ::= tagNamelist COMMA ids */
+   246,  /* (149) tagNamelist ::= ids */
+   240,  /* (150) create_table_args ::= ifnotexists ids cpxName AS select */
+   244,  /* (151) columnlist ::= columnlist COMMA column */
+   244,  /* (152) columnlist ::= column */
+   248,  /* (153) column ::= ids typename */
+   245,  /* (154) tagitemlist ::= tagitemlist COMMA tagitem */
+   245,  /* (155) tagitemlist ::= tagitem */
+   249,  /* (156) tagitem ::= INTEGER */
+   249,  /* (157) tagitem ::= FLOAT */
+   249,  /* (158) tagitem ::= STRING */
+   249,  /* (159) tagitem ::= BOOL */
+   249,  /* (160) tagitem ::= NULL */
+   249,  /* (161) tagitem ::= NOW */
+   249,  /* (162) tagitem ::= MINUS INTEGER */
+   249,  /* (163) tagitem ::= MINUS FLOAT */
+   249,  /* (164) tagitem ::= PLUS INTEGER */
+   249,  /* (165) tagitem ::= PLUS FLOAT */
+   247,  /* (166) select ::= SELECT selcollist from where_opt interval_option sliding_opt session_option windowstate_option fill_opt groupby_opt having_opt orderby_opt slimit_opt limit_opt */
+   247,  /* (167) select ::= LP select RP */
+   263,  /* (168) union ::= select */
+   263,  /* (169) union ::= union UNION ALL select */
+   198,  /* (170) cmd ::= union */
+   247,  /* (171) select ::= SELECT selcollist */
+   264,  /* (172) sclp ::= selcollist COMMA */
+   264,  /* (173) sclp ::= */
+   250,  /* (174) selcollist ::= sclp distinct expr as */
+   250,  /* (175) selcollist ::= sclp STAR */
+   267,  /* (176) as ::= AS ids */
+   267,  /* (177) as ::= ids */
+   267,  /* (178) as ::= */
+   265,  /* (179) distinct ::= DISTINCT */
+   265,  /* (180) distinct ::= */
+   251,  /* (181) from ::= FROM tablelist */
+   251,  /* (182) from ::= FROM sub */
+   269,  /* (183) sub ::= LP union RP */
+   269,  /* (184) sub ::= LP union RP ids */
+   269,  /* (185) sub ::= sub COMMA LP union RP ids */
+   268,  /* (186) tablelist ::= ids cpxName */
+   268,  /* (187) tablelist ::= ids cpxName ids */
+   268,  /* (188) tablelist ::= tablelist COMMA ids cpxName */
+   268,  /* (189) tablelist ::= tablelist COMMA ids cpxName ids */
+   270,  /* (190) tmvar ::= VARIABLE */
+   253,  /* (191) interval_option ::= intervalKey LP tmvar RP */
+   253,  /* (192) interval_option ::= intervalKey LP tmvar COMMA tmvar RP */
+   253,  /* (193) interval_option ::= */
+   271,  /* (194) intervalKey ::= INTERVAL */
+   271,  /* (195) intervalKey ::= EVERY */
+   255,  /* (196) session_option ::= */
+   255,  /* (197) session_option ::= SESSION LP ids cpxName COMMA tmvar RP */
+   256,  /* (198) windowstate_option ::= */
+   256,  /* (199) windowstate_option ::= STATE_WINDOW LP ids RP */
+   257,  /* (200) fill_opt ::= */
+   257,  /* (201) fill_opt ::= FILL LP ID COMMA tagitemlist RP */
+   257,  /* (202) fill_opt ::= FILL LP ID RP */
+   254,  /* (203) sliding_opt ::= SLIDING LP tmvar RP */
+   254,  /* (204) sliding_opt ::= */
+   260,  /* (205) orderby_opt ::= */
+   260,  /* (206) orderby_opt ::= ORDER BY sortlist */
+   272,  /* (207) sortlist ::= sortlist COMMA item sortorder */
+   272,  /* (208) sortlist ::= item sortorder */
+   274,  /* (209) item ::= ids cpxName */
+   275,  /* (210) sortorder ::= ASC */
+   275,  /* (211) sortorder ::= DESC */
+   275,  /* (212) sortorder ::= */
+   258,  /* (213) groupby_opt ::= */
+   258,  /* (214) groupby_opt ::= GROUP BY grouplist */
+   276,  /* (215) grouplist ::= grouplist COMMA item */
+   276,  /* (216) grouplist ::= item */
+   259,  /* (217) having_opt ::= */
+   259,  /* (218) having_opt ::= HAVING expr */
+   262,  /* (219) limit_opt ::= */
+   262,  /* (220) limit_opt ::= LIMIT signed */
+   262,  /* (221) limit_opt ::= LIMIT signed OFFSET signed */
+   262,  /* (222) limit_opt ::= LIMIT signed COMMA signed */
+   261,  /* (223) slimit_opt ::= */
+   261,  /* (224) slimit_opt ::= SLIMIT signed */
+   261,  /* (225) slimit_opt ::= SLIMIT signed SOFFSET signed */
+   261,  /* (226) slimit_opt ::= SLIMIT signed COMMA signed */
+   252,  /* (227) where_opt ::= */
+   252,  /* (228) where_opt ::= WHERE expr */
+   266,  /* (229) expr ::= LP expr RP */
+   266,  /* (230) expr ::= ID */
+   266,  /* (231) expr ::= ID DOT ID */
+   266,  /* (232) expr ::= ID DOT STAR */
+   266,  /* (233) expr ::= INTEGER */
+   266,  /* (234) expr ::= MINUS INTEGER */
+   266,  /* (235) expr ::= PLUS INTEGER */
+   266,  /* (236) expr ::= FLOAT */
+   266,  /* (237) expr ::= MINUS FLOAT */
+   266,  /* (238) expr ::= PLUS FLOAT */
+   266,  /* (239) expr ::= STRING */
+   266,  /* (240) expr ::= NOW */
+   266,  /* (241) expr ::= VARIABLE */
+   266,  /* (242) expr ::= PLUS VARIABLE */
+   266,  /* (243) expr ::= MINUS VARIABLE */
+   266,  /* (244) expr ::= BOOL */
+   266,  /* (245) expr ::= NULL */
+   266,  /* (246) expr ::= ID LP exprlist RP */
+   266,  /* (247) expr ::= ID LP STAR RP */
+   266,  /* (248) expr ::= expr IS NULL */
+   266,  /* (249) expr ::= expr IS NOT NULL */
+   266,  /* (250) expr ::= expr LT expr */
+   266,  /* (251) expr ::= expr GT expr */
+   266,  /* (252) expr ::= expr LE expr */
+   266,  /* (253) expr ::= expr GE expr */
+   266,  /* (254) expr ::= expr NE expr */
+   266,  /* (255) expr ::= expr EQ expr */
+   266,  /* (256) expr ::= expr BETWEEN expr AND expr */
+   266,  /* (257) expr ::= expr AND expr */
+   266,  /* (258) expr ::= expr OR expr */
+   266,  /* (259) expr ::= expr PLUS expr */
+   266,  /* (260) expr ::= expr MINUS expr */
+   266,  /* (261) expr ::= expr STAR expr */
+   266,  /* (262) expr ::= expr SLASH expr */
+   266,  /* (263) expr ::= expr REM expr */
+   266,  /* (264) expr ::= expr LIKE expr */
+   266,  /* (265) expr ::= expr IN LP exprlist RP */
+   206,  /* (266) exprlist ::= exprlist COMMA expritem */
+   206,  /* (267) exprlist ::= expritem */
+   277,  /* (268) expritem ::= expr */
+   277,  /* (269) expritem ::= */
+   198,  /* (270) cmd ::= RESET QUERY CACHE */
+   198,  /* (271) cmd ::= SYNCDB ids REPLICA */
+   198,  /* (272) cmd ::= ALTER TABLE ids cpxName ADD COLUMN columnlist */
+   198,  /* (273) cmd ::= ALTER TABLE ids cpxName DROP COLUMN ids */
+   198,  /* (274) cmd ::= ALTER TABLE ids cpxName MODIFY COLUMN columnlist */
+   198,  /* (275) cmd ::= ALTER TABLE ids cpxName ADD TAG columnlist */
+   198,  /* (276) cmd ::= ALTER TABLE ids cpxName DROP TAG ids */
+   198,  /* (277) cmd ::= ALTER TABLE ids cpxName CHANGE TAG ids ids */
+   198,  /* (278) cmd ::= ALTER TABLE ids cpxName SET TAG ids EQ tagitem */
+   198,  /* (279) cmd ::= ALTER TABLE ids cpxName MODIFY TAG columnlist */
+   198,  /* (280) cmd ::= ALTER STABLE ids cpxName ADD COLUMN columnlist */
+   198,  /* (281) cmd ::= ALTER STABLE ids cpxName DROP COLUMN ids */
+   198,  /* (282) cmd ::= ALTER STABLE ids cpxName MODIFY COLUMN columnlist */
+   198,  /* (283) cmd ::= ALTER STABLE ids cpxName ADD TAG columnlist */
+   198,  /* (284) cmd ::= ALTER STABLE ids cpxName DROP TAG ids */
+   198,  /* (285) cmd ::= ALTER STABLE ids cpxName CHANGE TAG ids ids */
+   198,  /* (286) cmd ::= ALTER STABLE ids cpxName SET TAG ids EQ tagitem */
+   198,  /* (287) cmd ::= ALTER STABLE ids cpxName MODIFY TAG columnlist */
+   198,  /* (288) cmd ::= KILL CONNECTION INTEGER */
+   198,  /* (289) cmd ::= KILL STREAM INTEGER COLON INTEGER */
+   198,  /* (290) cmd ::= KILL QUERY INTEGER COLON INTEGER */
+};
+
+/* For rule J, yyRuleInfoNRhs[J] contains the negative of the number
+** of symbols on the right-hand side of that rule. */
+static const signed char yyRuleInfoNRhs[] = {
+   -1,  /* (0) program ::= cmd */
+   -2,  /* (1) cmd ::= SHOW DATABASES */
+   -2,  /* (2) cmd ::= SHOW TOPICS */
+   -2,  /* (3) cmd ::= SHOW FUNCTIONS */
+   -2,  /* (4) cmd ::= SHOW MNODES */
+   -2,  /* (5) cmd ::= SHOW DNODES */
+   -2,  /* (6) cmd ::= SHOW ACCOUNTS */
+   -2,  /* (7) cmd ::= SHOW USERS */
+   -2,  /* (8) cmd ::= SHOW MODULES */
+   -2,  /* (9) cmd ::= SHOW QUERIES */
+   -2,  /* (10) cmd ::= SHOW CONNECTIONS */
+   -2,  /* (11) cmd ::= SHOW STREAMS */
+   -2,  /* (12) cmd ::= SHOW VARIABLES */
+   -2,  /* (13) cmd ::= SHOW SCORES */
+   -2,  /* (14) cmd ::= SHOW GRANTS */
+   -2,  /* (15) cmd ::= SHOW VNODES */
+   -3,  /* (16) cmd ::= SHOW VNODES IPTOKEN */
+    0,  /* (17) dbPrefix ::= */
+   -2,  /* (18) dbPrefix ::= ids DOT */
+    0,  /* (19) cpxName ::= */
+   -2,  /* (20) cpxName ::= DOT ids */
+   -5,  /* (21) cmd ::= SHOW CREATE TABLE ids cpxName */
+   -5,  /* (22) cmd ::= SHOW CREATE STABLE ids cpxName */
+   -4,  /* (23) cmd ::= SHOW CREATE DATABASE ids */
+   -3,  /* (24) cmd ::= SHOW dbPrefix TABLES */
+   -5,  /* (25) cmd ::= SHOW dbPrefix TABLES LIKE ids */
+   -3,  /* (26) cmd ::= SHOW dbPrefix STABLES */
+   -5,  /* (27) cmd ::= SHOW dbPrefix STABLES LIKE ids */
+   -3,  /* (28) cmd ::= SHOW dbPrefix VGROUPS */
+   -5,  /* (29) cmd ::= DROP TABLE ifexists ids cpxName */
+   -5,  /* (30) cmd ::= DROP STABLE ifexists ids cpxName */
+   -4,  /* (31) cmd ::= DROP DATABASE ifexists ids */
+   -4,  /* (32) cmd ::= DROP TOPIC ifexists ids */
+   -3,  /* (33) cmd ::= DROP FUNCTION ids */
+   -3,  /* (34) cmd ::= DROP DNODE ids */
+   -3,  /* (35) cmd ::= DROP USER ids */
+   -3,  /* (36) cmd ::= DROP ACCOUNT ids */
+   -2,  /* (37) cmd ::= USE ids */
+   -3,  /* (38) cmd ::= DESCRIBE ids cpxName */
+   -3,  /* (39) cmd ::= DESC ids cpxName */
+   -5,  /* (40) cmd ::= ALTER USER ids PASS ids */
+   -5,  /* (41) cmd ::= ALTER USER ids PRIVILEGE ids */
+   -4,  /* (42) cmd ::= ALTER DNODE ids ids */
+   -5,  /* (43) cmd ::= ALTER DNODE ids ids ids */
+   -3,  /* (44) cmd ::= ALTER LOCAL ids */
+   -4,  /* (45) cmd ::= ALTER LOCAL ids ids */
+   -4,  /* (46) cmd ::= ALTER DATABASE ids alter_db_optr */
+   -4,  /* (47) cmd ::= ALTER TOPIC ids alter_topic_optr */
+   -4,  /* (48) cmd ::= ALTER ACCOUNT ids acct_optr */
+   -6,  /* (49) cmd ::= ALTER ACCOUNT ids PASS ids acct_optr */
+   -6,  /* (50) cmd ::= COMPACT VNODES IN LP exprlist RP */
+   -1,  /* (51) ids ::= ID */
+   -1,  /* (52) ids ::= STRING */
+   -2,  /* (53) ifexists ::= IF EXISTS */
+    0,  /* (54) ifexists ::= */
+   -3,  /* (55) ifnotexists ::= IF NOT EXISTS */
+    0,  /* (56) ifnotexists ::= */
+   -3,  /* (57) cmd ::= CREATE DNODE ids */
+   -6,  /* (58) cmd ::= CREATE ACCOUNT ids PASS ids acct_optr */
+   -5,  /* (59) cmd ::= CREATE DATABASE ifnotexists ids db_optr */
+   -5,  /* (60) cmd ::= CREATE TOPIC ifnotexists ids topic_optr */
+   -8,  /* (61) cmd ::= CREATE FUNCTION ids AS ids OUTPUTTYPE typename bufsize */
+   -9,  /* (62) cmd ::= CREATE AGGREGATE FUNCTION ids AS ids OUTPUTTYPE typename bufsize */
+   -5,  /* (63) cmd ::= CREATE USER ids PASS ids */
+    0,  /* (64) bufsize ::= */
+   -2,  /* (65) bufsize ::= BUFSIZE INTEGER */
+    0,  /* (66) pps ::= */
+   -2,  /* (67) pps ::= PPS INTEGER */
+    0,  /* (68) tseries ::= */
+   -2,  /* (69) tseries ::= TSERIES INTEGER */
+    0,  /* (70) dbs ::= */
+   -2,  /* (71) dbs ::= DBS INTEGER */
+    0,  /* (72) streams ::= */
+   -2,  /* (73) streams ::= STREAMS INTEGER */
+    0,  /* (74) storage ::= */
+   -2,  /* (75) storage ::= STORAGE INTEGER */
+    0,  /* (76) qtime ::= */
+   -2,  /* (77) qtime ::= QTIME INTEGER */
+    0,  /* (78) users ::= */
+   -2,  /* (79) users ::= USERS INTEGER */
+    0,  /* (80) conns ::= */
+   -2,  /* (81) conns ::= CONNS INTEGER */
+    0,  /* (82) state ::= */
+   -2,  /* (83) state ::= STATE ids */
+   -9,  /* (84) acct_optr ::= pps tseries storage streams qtime dbs users conns state */
+   -3,  /* (85) intitemlist ::= intitemlist COMMA intitem */
+   -1,  /* (86) intitemlist ::= intitem */
+   -1,  /* (87) intitem ::= INTEGER */
+   -2,  /* (88) keep ::= KEEP intitemlist */
+   -2,  /* (89) cache ::= CACHE INTEGER */
+   -2,  /* (90) replica ::= REPLICA INTEGER */
+   -2,  /* (91) quorum ::= QUORUM INTEGER */
+   -2,  /* (92) days ::= DAYS INTEGER */
+   -2,  /* (93) minrows ::= MINROWS INTEGER */
+   -2,  /* (94) maxrows ::= MAXROWS INTEGER */
+   -2,  /* (95) blocks ::= BLOCKS INTEGER */
+   -2,  /* (96) ctime ::= CTIME INTEGER */
+   -2,  /* (97) wal ::= WAL INTEGER */
+   -2,  /* (98) fsync ::= FSYNC INTEGER */
+   -2,  /* (99) comp ::= COMP INTEGER */
+   -2,  /* (100) prec ::= PRECISION STRING */
+   -2,  /* (101) update ::= UPDATE INTEGER */
+   -2,  /* (102) cachelast ::= CACHELAST INTEGER */
+   -2,  /* (103) partitions ::= PARTITIONS INTEGER */
+    0,  /* (104) db_optr ::= */
+   -2,  /* (105) db_optr ::= db_optr cache */
+   -2,  /* (106) db_optr ::= db_optr replica */
+   -2,  /* (107) db_optr ::= db_optr quorum */
+   -2,  /* (108) db_optr ::= db_optr days */
+   -2,  /* (109) db_optr ::= db_optr minrows */
+   -2,  /* (110) db_optr ::= db_optr maxrows */
+   -2,  /* (111) db_optr ::= db_optr blocks */
+   -2,  /* (112) db_optr ::= db_optr ctime */
+   -2,  /* (113) db_optr ::= db_optr wal */
+   -2,  /* (114) db_optr ::= db_optr fsync */
+   -2,  /* (115) db_optr ::= db_optr comp */
+   -2,  /* (116) db_optr ::= db_optr prec */
+   -2,  /* (117) db_optr ::= db_optr keep */
+   -2,  /* (118) db_optr ::= db_optr update */
+   -2,  /* (119) db_optr ::= db_optr cachelast */
+   -1,  /* (120) topic_optr ::= db_optr */
+   -2,  /* (121) topic_optr ::= topic_optr partitions */
+    0,  /* (122) alter_db_optr ::= */
+   -2,  /* (123) alter_db_optr ::= alter_db_optr replica */
+   -2,  /* (124) alter_db_optr ::= alter_db_optr quorum */
+   -2,  /* (125) alter_db_optr ::= alter_db_optr keep */
+   -2,  /* (126) alter_db_optr ::= alter_db_optr blocks */
+   -2,  /* (127) alter_db_optr ::= alter_db_optr comp */
+   -2,  /* (128) alter_db_optr ::= alter_db_optr update */
+   -2,  /* (129) alter_db_optr ::= alter_db_optr cachelast */
+   -1,  /* (130) alter_topic_optr ::= alter_db_optr */
+   -2,  /* (131) alter_topic_optr ::= alter_topic_optr partitions */
+   -1,  /* (132) typename ::= ids */
+   -4,  /* (133) typename ::= ids LP signed RP */
+   -2,  /* (134) typename ::= ids UNSIGNED */
+   -1,  /* (135) signed ::= INTEGER */
+   -2,  /* (136) signed ::= PLUS INTEGER */
+   -2,  /* (137) signed ::= MINUS INTEGER */
+   -3,  /* (138) cmd ::= CREATE TABLE create_table_args */
+   -3,  /* (139) cmd ::= CREATE TABLE create_stable_args */
+   -3,  /* (140) cmd ::= CREATE STABLE create_stable_args */
+   -3,  /* (141) cmd ::= CREATE TABLE create_table_list */
+   -1,  /* (142) create_table_list ::= create_from_stable */
+   -2,  /* (143) create_table_list ::= create_table_list create_from_stable */
+   -6,  /* (144) create_table_args ::= ifnotexists ids cpxName LP columnlist RP */
+  -10,  /* (145) create_stable_args ::= ifnotexists ids cpxName LP columnlist RP TAGS LP columnlist RP */
+  -10,  /* (146) create_from_stable ::= ifnotexists ids cpxName USING ids cpxName TAGS LP tagitemlist RP */
+  -13,  /* (147) create_from_stable ::= ifnotexists ids cpxName USING ids cpxName LP tagNamelist RP TAGS LP tagitemlist RP */
+   -3,  /* (148) tagNamelist ::= tagNamelist COMMA ids */
+   -1,  /* (149) tagNamelist ::= ids */
+   -5,  /* (150) create_table_args ::= ifnotexists ids cpxName AS select */
+   -3,  /* (151) columnlist ::= columnlist COMMA column */
+   -1,  /* (152) columnlist ::= column */
+   -2,  /* (153) column ::= ids typename */
+   -3,  /* (154) tagitemlist ::= tagitemlist COMMA tagitem */
+   -1,  /* (155) tagitemlist ::= tagitem */
+   -1,  /* (156) tagitem ::= INTEGER */
+   -1,  /* (157) tagitem ::= FLOAT */
+   -1,  /* (158) tagitem ::= STRING */
+   -1,  /* (159) tagitem ::= BOOL */
+   -1,  /* (160) tagitem ::= NULL */
+   -1,  /* (161) tagitem ::= NOW */
+   -2,  /* (162) tagitem ::= MINUS INTEGER */
+   -2,  /* (163) tagitem ::= MINUS FLOAT */
+   -2,  /* (164) tagitem ::= PLUS INTEGER */
+   -2,  /* (165) tagitem ::= PLUS FLOAT */
+  -14,  /* (166) select ::= SELECT selcollist from where_opt interval_option sliding_opt session_option windowstate_option fill_opt groupby_opt having_opt orderby_opt slimit_opt limit_opt */
+   -3,  /* (167) select ::= LP select RP */
+   -1,  /* (168) union ::= select */
+   -4,  /* (169) union ::= union UNION ALL select */
+   -1,  /* (170) cmd ::= union */
+   -2,  /* (171) select ::= SELECT selcollist */
+   -2,  /* (172) sclp ::= selcollist COMMA */
+    0,  /* (173) sclp ::= */
+   -4,  /* (174) selcollist ::= sclp distinct expr as */
+   -2,  /* (175) selcollist ::= sclp STAR */
+   -2,  /* (176) as ::= AS ids */
+   -1,  /* (177) as ::= ids */
+    0,  /* (178) as ::= */
+   -1,  /* (179) distinct ::= DISTINCT */
+    0,  /* (180) distinct ::= */
+   -2,  /* (181) from ::= FROM tablelist */
+   -2,  /* (182) from ::= FROM sub */
+   -3,  /* (183) sub ::= LP union RP */
+   -4,  /* (184) sub ::= LP union RP ids */
+   -6,  /* (185) sub ::= sub COMMA LP union RP ids */
+   -2,  /* (186) tablelist ::= ids cpxName */
+   -3,  /* (187) tablelist ::= ids cpxName ids */
+   -4,  /* (188) tablelist ::= tablelist COMMA ids cpxName */
+   -5,  /* (189) tablelist ::= tablelist COMMA ids cpxName ids */
+   -1,  /* (190) tmvar ::= VARIABLE */
+   -4,  /* (191) interval_option ::= intervalKey LP tmvar RP */
+   -6,  /* (192) interval_option ::= intervalKey LP tmvar COMMA tmvar RP */
+    0,  /* (193) interval_option ::= */
+   -1,  /* (194) intervalKey ::= INTERVAL */
+   -1,  /* (195) intervalKey ::= EVERY */
+    0,  /* (196) session_option ::= */
+   -7,  /* (197) session_option ::= SESSION LP ids cpxName COMMA tmvar RP */
+    0,  /* (198) windowstate_option ::= */
+   -4,  /* (199) windowstate_option ::= STATE_WINDOW LP ids RP */
+    0,  /* (200) fill_opt ::= */
+   -6,  /* (201) fill_opt ::= FILL LP ID COMMA tagitemlist RP */
+   -4,  /* (202) fill_opt ::= FILL LP ID RP */
+   -4,  /* (203) sliding_opt ::= SLIDING LP tmvar RP */
+    0,  /* (204) sliding_opt ::= */
+    0,  /* (205) orderby_opt ::= */
+   -3,  /* (206) orderby_opt ::= ORDER BY sortlist */
+   -4,  /* (207) sortlist ::= sortlist COMMA item sortorder */
+   -2,  /* (208) sortlist ::= item sortorder */
+   -2,  /* (209) item ::= ids cpxName */
+   -1,  /* (210) sortorder ::= ASC */
+   -1,  /* (211) sortorder ::= DESC */
+    0,  /* (212) sortorder ::= */
+    0,  /* (213) groupby_opt ::= */
+   -3,  /* (214) groupby_opt ::= GROUP BY grouplist */
+   -3,  /* (215) grouplist ::= grouplist COMMA item */
+   -1,  /* (216) grouplist ::= item */
+    0,  /* (217) having_opt ::= */
+   -2,  /* (218) having_opt ::= HAVING expr */
+    0,  /* (219) limit_opt ::= */
+   -2,  /* (220) limit_opt ::= LIMIT signed */
+   -4,  /* (221) limit_opt ::= LIMIT signed OFFSET signed */
+   -4,  /* (222) limit_opt ::= LIMIT signed COMMA signed */
+    0,  /* (223) slimit_opt ::= */
+   -2,  /* (224) slimit_opt ::= SLIMIT signed */
+   -4,  /* (225) slimit_opt ::= SLIMIT signed SOFFSET signed */
+   -4,  /* (226) slimit_opt ::= SLIMIT signed COMMA signed */
+    0,  /* (227) where_opt ::= */
+   -2,  /* (228) where_opt ::= WHERE expr */
+   -3,  /* (229) expr ::= LP expr RP */
+   -1,  /* (230) expr ::= ID */
+   -3,  /* (231) expr ::= ID DOT ID */
+   -3,  /* (232) expr ::= ID DOT STAR */
+   -1,  /* (233) expr ::= INTEGER */
+   -2,  /* (234) expr ::= MINUS INTEGER */
+   -2,  /* (235) expr ::= PLUS INTEGER */
+   -1,  /* (236) expr ::= FLOAT */
+   -2,  /* (237) expr ::= MINUS FLOAT */
+   -2,  /* (238) expr ::= PLUS FLOAT */
+   -1,  /* (239) expr ::= STRING */
+   -1,  /* (240) expr ::= NOW */
+   -1,  /* (241) expr ::= VARIABLE */
+   -2,  /* (242) expr ::= PLUS VARIABLE */
+   -2,  /* (243) expr ::= MINUS VARIABLE */
+   -1,  /* (244) expr ::= BOOL */
+   -1,  /* (245) expr ::= NULL */
+   -4,  /* (246) expr ::= ID LP exprlist RP */
+   -4,  /* (247) expr ::= ID LP STAR RP */
+   -3,  /* (248) expr ::= expr IS NULL */
+   -4,  /* (249) expr ::= expr IS NOT NULL */
+   -3,  /* (250) expr ::= expr LT expr */
+   -3,  /* (251) expr ::= expr GT expr */
+   -3,  /* (252) expr ::= expr LE expr */
+   -3,  /* (253) expr ::= expr GE expr */
+   -3,  /* (254) expr ::= expr NE expr */
+   -3,  /* (255) expr ::= expr EQ expr */
+   -5,  /* (256) expr ::= expr BETWEEN expr AND expr */
+   -3,  /* (257) expr ::= expr AND expr */
+   -3,  /* (258) expr ::= expr OR expr */
+   -3,  /* (259) expr ::= expr PLUS expr */
+   -3,  /* (260) expr ::= expr MINUS expr */
+   -3,  /* (261) expr ::= expr STAR expr */
+   -3,  /* (262) expr ::= expr SLASH expr */
+   -3,  /* (263) expr ::= expr REM expr */
+   -3,  /* (264) expr ::= expr LIKE expr */
+   -5,  /* (265) expr ::= expr IN LP exprlist RP */
+   -3,  /* (266) exprlist ::= exprlist COMMA expritem */
+   -1,  /* (267) exprlist ::= expritem */
+   -1,  /* (268) expritem ::= expr */
+    0,  /* (269) expritem ::= */
+   -3,  /* (270) cmd ::= RESET QUERY CACHE */
+   -3,  /* (271) cmd ::= SYNCDB ids REPLICA */
+   -7,  /* (272) cmd ::= ALTER TABLE ids cpxName ADD COLUMN columnlist */
+   -7,  /* (273) cmd ::= ALTER TABLE ids cpxName DROP COLUMN ids */
+   -7,  /* (274) cmd ::= ALTER TABLE ids cpxName MODIFY COLUMN columnlist */
+   -7,  /* (275) cmd ::= ALTER TABLE ids cpxName ADD TAG columnlist */
+   -7,  /* (276) cmd ::= ALTER TABLE ids cpxName DROP TAG ids */
+   -8,  /* (277) cmd ::= ALTER TABLE ids cpxName CHANGE TAG ids ids */
+   -9,  /* (278) cmd ::= ALTER TABLE ids cpxName SET TAG ids EQ tagitem */
+   -7,  /* (279) cmd ::= ALTER TABLE ids cpxName MODIFY TAG columnlist */
+   -7,  /* (280) cmd ::= ALTER STABLE ids cpxName ADD COLUMN columnlist */
+   -7,  /* (281) cmd ::= ALTER STABLE ids cpxName DROP COLUMN ids */
+   -7,  /* (282) cmd ::= ALTER STABLE ids cpxName MODIFY COLUMN columnlist */
+   -7,  /* (283) cmd ::= ALTER STABLE ids cpxName ADD TAG columnlist */
+   -7,  /* (284) cmd ::= ALTER STABLE ids cpxName DROP TAG ids */
+   -8,  /* (285) cmd ::= ALTER STABLE ids cpxName CHANGE TAG ids ids */
+   -9,  /* (286) cmd ::= ALTER STABLE ids cpxName SET TAG ids EQ tagitem */
+   -7,  /* (287) cmd ::= ALTER STABLE ids cpxName MODIFY TAG columnlist */
+   -3,  /* (288) cmd ::= KILL CONNECTION INTEGER */
+   -5,  /* (289) cmd ::= KILL STREAM INTEGER COLON INTEGER */
+   -5,  /* (290) cmd ::= KILL QUERY INTEGER COLON INTEGER */
 };
 
 static void yy_accept(yyParser*);  /* Forward Declaration */
@@ -2172,51 +2657,6 @@ static YYACTIONTYPE yy_reduce(
   (void)yyLookahead;
   (void)yyLookaheadToken;
   yymsp = yypParser->yytos;
-#ifndef NDEBUG
-  if( yyTraceFILE && yyruleno<(int)(sizeof(yyRuleName)/sizeof(yyRuleName[0])) ){
-    yysize = yyRuleInfo[yyruleno].nrhs;
-    if( yysize ){
-      fprintf(yyTraceFILE, "%sReduce %d [%s], go to state %d.\n",
-        yyTracePrompt,
-        yyruleno, yyRuleName[yyruleno], yymsp[yysize].stateno);
-    }else{
-      fprintf(yyTraceFILE, "%sReduce %d [%s].\n",
-        yyTracePrompt, yyruleno, yyRuleName[yyruleno]);
-    }
-  }
-#endif /* NDEBUG */
-
-  /* Check that the stack is large enough to grow by a single entry
-  ** if the RHS of the rule is empty.  This ensures that there is room
-  ** enough on the stack to push the LHS value */
-  if( yyRuleInfo[yyruleno].nrhs==0 ){
-#ifdef YYTRACKMAXSTACKDEPTH
-    if( (int)(yypParser->yytos - yypParser->yystack)>yypParser->yyhwm ){
-      yypParser->yyhwm++;
-      assert( yypParser->yyhwm == (int)(yypParser->yytos - yypParser->yystack));
-    }
-#endif
-#if YYSTACKDEPTH>0 
-    if( yypParser->yytos>=yypParser->yystackEnd ){
-      yyStackOverflow(yypParser);
-      /* The call to yyStackOverflow() above pops the stack until it is
-      ** empty, causing the main parser loop to exit.  So the return value
-      ** is never used and does not matter. */
-      return 0;
-    }
-#else
-    if( yypParser->yytos>=&yypParser->yystack[yypParser->yystksz-1] ){
-      if( yyGrowStack(yypParser) ){
-        yyStackOverflow(yypParser);
-        /* The call to yyStackOverflow() above pops the stack until it is
-        ** empty, causing the main parser loop to exit.  So the return value
-        ** is never used and does not matter. */
-        return 0;
-      }
-      yymsp = yypParser->yytos;
-    }
-#endif
-  }
 
   switch( yyruleno ){
   /* Beginning here are the reduction cases.  A typical example
@@ -2795,7 +3235,7 @@ static YYACTIONTYPE yy_reduce(
         break;
       case 175: /* selcollist ::= sclp STAR */
 {
-   tSqlExpr *pNode = tSqlExprCreateIdValue(NULL, TK_ALL);
+   tSqlExpr *pNode = tSqlExprCreateIdValue(pInfo, NULL, TK_ALL);
    yylhsminor.yy421 = tSqlExprListAppend(yymsp[-1].minor.yy421, pNode, 0, 0);
 }
   yymsp[-1].minor.yy421 = yylhsminor.yy421;
@@ -3003,58 +3443,58 @@ static YYACTIONTYPE yy_reduce(
   yymsp[-2].minor.yy439 = yylhsminor.yy439;
         break;
       case 230: /* expr ::= ID */
-{ yylhsminor.yy439 = tSqlExprCreateIdValue(&yymsp[0].minor.yy0, TK_ID);}
+{ yylhsminor.yy439 = tSqlExprCreateIdValue(pInfo, &yymsp[0].minor.yy0, TK_ID);}
   yymsp[0].minor.yy439 = yylhsminor.yy439;
         break;
       case 231: /* expr ::= ID DOT ID */
-{ yymsp[-2].minor.yy0.n += (1+yymsp[0].minor.yy0.n); yylhsminor.yy439 = tSqlExprCreateIdValue(&yymsp[-2].minor.yy0, TK_ID);}
+{ yymsp[-2].minor.yy0.n += (1+yymsp[0].minor.yy0.n); yylhsminor.yy439 = tSqlExprCreateIdValue(pInfo, &yymsp[-2].minor.yy0, TK_ID);}
   yymsp[-2].minor.yy439 = yylhsminor.yy439;
         break;
       case 232: /* expr ::= ID DOT STAR */
-{ yymsp[-2].minor.yy0.n += (1+yymsp[0].minor.yy0.n); yylhsminor.yy439 = tSqlExprCreateIdValue(&yymsp[-2].minor.yy0, TK_ALL);}
+{ yymsp[-2].minor.yy0.n += (1+yymsp[0].minor.yy0.n); yylhsminor.yy439 = tSqlExprCreateIdValue(pInfo, &yymsp[-2].minor.yy0, TK_ALL);}
   yymsp[-2].minor.yy439 = yylhsminor.yy439;
         break;
       case 233: /* expr ::= INTEGER */
-{ yylhsminor.yy439 = tSqlExprCreateIdValue(&yymsp[0].minor.yy0, TK_INTEGER);}
+{ yylhsminor.yy439 = tSqlExprCreateIdValue(pInfo, &yymsp[0].minor.yy0, TK_INTEGER);}
   yymsp[0].minor.yy439 = yylhsminor.yy439;
         break;
       case 234: /* expr ::= MINUS INTEGER */
       case 235: /* expr ::= PLUS INTEGER */ yytestcase(yyruleno==235);
-{ yymsp[-1].minor.yy0.n += yymsp[0].minor.yy0.n; yymsp[-1].minor.yy0.type = TK_INTEGER; yylhsminor.yy439 = tSqlExprCreateIdValue(&yymsp[-1].minor.yy0, TK_INTEGER);}
+{ yymsp[-1].minor.yy0.n += yymsp[0].minor.yy0.n; yymsp[-1].minor.yy0.type = TK_INTEGER; yylhsminor.yy439 = tSqlExprCreateIdValue(pInfo, &yymsp[-1].minor.yy0, TK_INTEGER);}
   yymsp[-1].minor.yy439 = yylhsminor.yy439;
         break;
       case 236: /* expr ::= FLOAT */
-{ yylhsminor.yy439 = tSqlExprCreateIdValue(&yymsp[0].minor.yy0, TK_FLOAT);}
+{ yylhsminor.yy439 = tSqlExprCreateIdValue(pInfo, &yymsp[0].minor.yy0, TK_FLOAT);}
   yymsp[0].minor.yy439 = yylhsminor.yy439;
         break;
       case 237: /* expr ::= MINUS FLOAT */
       case 238: /* expr ::= PLUS FLOAT */ yytestcase(yyruleno==238);
-{ yymsp[-1].minor.yy0.n += yymsp[0].minor.yy0.n; yymsp[-1].minor.yy0.type = TK_FLOAT; yylhsminor.yy439 = tSqlExprCreateIdValue(&yymsp[-1].minor.yy0, TK_FLOAT);}
+{ yymsp[-1].minor.yy0.n += yymsp[0].minor.yy0.n; yymsp[-1].minor.yy0.type = TK_FLOAT; yylhsminor.yy439 = tSqlExprCreateIdValue(pInfo, &yymsp[-1].minor.yy0, TK_FLOAT);}
   yymsp[-1].minor.yy439 = yylhsminor.yy439;
         break;
       case 239: /* expr ::= STRING */
-{ yylhsminor.yy439 = tSqlExprCreateIdValue(&yymsp[0].minor.yy0, TK_STRING);}
+{ yylhsminor.yy439 = tSqlExprCreateIdValue(pInfo, &yymsp[0].minor.yy0, TK_STRING);}
   yymsp[0].minor.yy439 = yylhsminor.yy439;
         break;
       case 240: /* expr ::= NOW */
-{ yylhsminor.yy439 = tSqlExprCreateIdValue(&yymsp[0].minor.yy0, TK_NOW); }
+{ yylhsminor.yy439 = tSqlExprCreateIdValue(pInfo, &yymsp[0].minor.yy0, TK_NOW); }
   yymsp[0].minor.yy439 = yylhsminor.yy439;
         break;
       case 241: /* expr ::= VARIABLE */
-{ yylhsminor.yy439 = tSqlExprCreateIdValue(&yymsp[0].minor.yy0, TK_VARIABLE);}
+{ yylhsminor.yy439 = tSqlExprCreateIdValue(pInfo, &yymsp[0].minor.yy0, TK_VARIABLE);}
   yymsp[0].minor.yy439 = yylhsminor.yy439;
         break;
       case 242: /* expr ::= PLUS VARIABLE */
       case 243: /* expr ::= MINUS VARIABLE */ yytestcase(yyruleno==243);
-{ yymsp[-1].minor.yy0.n += yymsp[0].minor.yy0.n; yymsp[-1].minor.yy0.type = TK_VARIABLE; yylhsminor.yy439 = tSqlExprCreateIdValue(&yymsp[-1].minor.yy0, TK_VARIABLE);}
+{ yymsp[-1].minor.yy0.n += yymsp[0].minor.yy0.n; yymsp[-1].minor.yy0.type = TK_VARIABLE; yylhsminor.yy439 = tSqlExprCreateIdValue(pInfo, &yymsp[-1].minor.yy0, TK_VARIABLE);}
   yymsp[-1].minor.yy439 = yylhsminor.yy439;
         break;
       case 244: /* expr ::= BOOL */
-{ yylhsminor.yy439 = tSqlExprCreateIdValue(&yymsp[0].minor.yy0, TK_BOOL);}
+{ yylhsminor.yy439 = tSqlExprCreateIdValue(pInfo, &yymsp[0].minor.yy0, TK_BOOL);}
   yymsp[0].minor.yy439 = yylhsminor.yy439;
         break;
       case 245: /* expr ::= NULL */
-{ yylhsminor.yy439 = tSqlExprCreateIdValue(&yymsp[0].minor.yy0, TK_NULL);}
+{ yylhsminor.yy439 = tSqlExprCreateIdValue(pInfo, &yymsp[0].minor.yy0, TK_NULL);}
   yymsp[0].minor.yy439 = yylhsminor.yy439;
         break;
       case 246: /* expr ::= ID LP exprlist RP */
@@ -3320,9 +3760,9 @@ static YYACTIONTYPE yy_reduce(
         break;
 /********** End reduce actions ************************************************/
   };
-  assert( yyruleno<sizeof(yyRuleInfo)/sizeof(yyRuleInfo[0]) );
-  yygoto = yyRuleInfo[yyruleno].lhs;
-  yysize = yyRuleInfo[yyruleno].nrhs;
+  assert( yyruleno<sizeof(yyRuleInfoLhs)/sizeof(yyRuleInfoLhs[0]) );
+  yygoto = yyRuleInfoLhs[yyruleno];
+  yysize = yyRuleInfoNRhs[yyruleno];
   yyact = yy_find_reduce_action(yymsp[yysize].stateno,(YYCODETYPE)yygoto);
 
   /* There are no SHIFTREDUCE actions on nonterminals because the table
@@ -3484,12 +3924,56 @@ void Parse(
   }
 #endif
 
-  do{
+  while(1){ /* Exit by "break" */
+    assert( yypParser->yytos>=yypParser->yystack );
     assert( yyact==yypParser->yytos->stateno );
     yyact = yy_find_shift_action((YYCODETYPE)yymajor,yyact);
     if( yyact >= YY_MIN_REDUCE ){
-      yyact = yy_reduce(yypParser,yyact-YY_MIN_REDUCE,yymajor,
-                        yyminor ParseCTX_PARAM);
+      unsigned int yyruleno = yyact - YY_MIN_REDUCE; /* Reduce by this rule */
+      assert( yyruleno<(int)(sizeof(yyRuleName)/sizeof(yyRuleName[0])) );
+#ifndef NDEBUG
+      if( yyTraceFILE ){
+        int yysize = yyRuleInfoNRhs[yyruleno];
+        if( yysize ){
+          fprintf(yyTraceFILE, "%sReduce %d [%s]%s, pop back to state %d.\n",
+            yyTracePrompt,
+            yyruleno, yyRuleName[yyruleno],
+            yyruleno<YYNRULE_WITH_ACTION ? "" : " without external action",
+            yypParser->yytos[yysize].stateno);
+        }else{
+          fprintf(yyTraceFILE, "%sReduce %d [%s]%s.\n",
+            yyTracePrompt, yyruleno, yyRuleName[yyruleno],
+            yyruleno<YYNRULE_WITH_ACTION ? "" : " without external action");
+        }
+      }
+#endif /* NDEBUG */
+
+      /* Check that the stack is large enough to grow by a single entry
+      ** if the RHS of the rule is empty.  This ensures that there is room
+      ** enough on the stack to push the LHS value */
+      if( yyRuleInfoNRhs[yyruleno]==0 ){
+#ifdef YYTRACKMAXSTACKDEPTH
+        if( (int)(yypParser->yytos - yypParser->yystack)>yypParser->yyhwm ){
+          yypParser->yyhwm++;
+          assert( yypParser->yyhwm ==
+                  (int)(yypParser->yytos - yypParser->yystack));
+        }
+#endif
+#if YYSTACKDEPTH>0 
+        if( yypParser->yytos>=yypParser->yystackEnd ){
+          yyStackOverflow(yypParser);
+          break;
+        }
+#else
+        if( yypParser->yytos>=&yypParser->yystack[yypParser->yystksz-1] ){
+          if( yyGrowStack(yypParser) ){
+            yyStackOverflow(yypParser);
+            break;
+          }
+        }
+#endif
+      }
+      yyact = yy_reduce(yypParser,yyruleno,yymajor,yyminor ParseCTX_PARAM);
     }else if( yyact <= YY_MAX_SHIFTREDUCE ){
       yy_shift(yypParser,yyact,(YYCODETYPE)yymajor,yyminor);
 #ifndef YYNOERRORRECOVERY
@@ -3545,14 +4029,13 @@ void Parse(
         yy_destructor(yypParser, (YYCODETYPE)yymajor, &yyminorunion);
         yymajor = YYNOCODE;
       }else{
-        while( yypParser->yytos >= yypParser->yystack
-            && (yyact = yy_find_reduce_action(
-                        yypParser->yytos->stateno,
-                        YYERRORSYMBOL)) > YY_MAX_SHIFTREDUCE
-        ){
+        while( yypParser->yytos > yypParser->yystack ){
+          yyact = yy_find_reduce_action(yypParser->yytos->stateno,
+                                        YYERRORSYMBOL);
+          if( yyact<=YY_MAX_SHIFTREDUCE ) break;
           yy_pop_parser_stack(yypParser);
         }
-        if( yypParser->yytos < yypParser->yystack || yymajor==0 ){
+        if( yypParser->yytos <= yypParser->yystack || yymajor==0 ){
           yy_destructor(yypParser,(YYCODETYPE)yymajor,&yyminorunion);
           yy_parse_failed(yypParser);
 #ifndef YYNOERRORRECOVERY
@@ -3602,7 +4085,7 @@ void Parse(
       break;
 #endif
     }
-  }while( yypParser->yytos>yypParser->yystack );
+  }
 #ifndef NDEBUG
   if( yyTraceFILE ){
     yyStackEntry *i;
@@ -3624,11 +4107,10 @@ void Parse(
 */
 int ParseFallback(int iToken){
 #ifdef YYFALLBACK
-  if( iToken<(int)(sizeof(yyFallback)/sizeof(yyFallback[0])) ){
-    return yyFallback[iToken];
-  }
+  assert( iToken<(int)(sizeof(yyFallback)/sizeof(yyFallback[0])) );
+  return yyFallback[iToken];
 #else
   (void)iToken;
-#endif
   return 0;
+#endif
 }
diff --git a/tests/pytest/functions/function_derivative.py b/tests/pytest/functions/function_derivative.py
index d4d8ab80a6b9587df900890ef18b8c4b1e3906bd..3b79726ed80c206338392cecb8f3d2adf4588e2a 100644
--- a/tests/pytest/functions/function_derivative.py
+++ b/tests/pytest/functions/function_derivative.py
@@ -68,9 +68,9 @@ class TDTestCase:
                 tdSql.checkData(0, 0, "2018-09-17 09:00:10.000")
                 tdSql.checkData(0, 1, "2018-09-17 09:00:10.000")
                 tdSql.checkData(0, 3, "2018-09-17 09:00:10.000")
-                tdSql.checkData(1, 0, "2018-09-17 09:00:20.009")
-                tdSql.checkData(1, 1, "2018-09-17 09:00:20.009")
-                tdSql.checkData(1, 3, "2018-09-17 09:00:20.009")
+                tdSql.checkData(1, 0, "2018-09-17 09:00:20.000")
+                tdSql.checkData(1, 1, "2018-09-17 09:00:20.000")
+                tdSql.checkData(1, 3, "2018-09-17 09:00:20.000")
 
                 tdSql.query("select ts from(select ts,derivative(col, 10s, 0) from stb group by tbname)")
 
@@ -147,6 +147,10 @@ class TDTestCase:
             tdSql.error("select derivative(col, 10s, 1) from stb group by id")
             tdSql.error("select derivative(col, 999ms, 1) from stb group by id")
             tdSql.error("select derivative(col, 10s, 2) from stb group by id")
+            tdSql.error("select derivative(col, -106752999999999922222d, 0) from stb group by tbname");  #overflow error
+            tdSql.error("select derivative(col, 10y, 0) from stb group by tbname")      #TD-10399, DB error: syntax error near '10y, 0) from stb group by tbname;'
+            tdSql.error("select derivative(col, -106752d, 0) from stb group by tbname") #TD-10398 overflow tips
+            tdSql.error("select derivative(col, 106751991168d, 0) from stb group by tbname") #TD-10398 overflow tips
 
     def run(self):
         tdSql.prepare()