diff --git a/include/client/taos.h b/include/client/taos.h
index 4669ca51f7d80dd40a9d37047cf758faa680c9c8..84f625571095e519b3268d42324719461d5ac650 100644
--- a/include/client/taos.h
+++ b/include/client/taos.h
@@ -193,8 +193,7 @@ DLL_EXPORT void taos_close_stream(TAOS_STREAM *tstr);
 DLL_EXPORT int taos_load_table_info(TAOS *taos, const char* tableNameList);
 DLL_EXPORT TAOS_RES* taos_schemaless_insert(TAOS* taos, char* lines[], int numLines, int protocol, int precision);
 
-
-DLL_EXPORT TAOS_RES *tmq_create_topic(TAOS* taos, const char* name, const char* sql, int sqlLen);
+DLL_EXPORT TAOS_RES *taos_create_topic(TAOS* taos, const char* name, const char* sql, int sqlLen);
 
 #ifdef __cplusplus
 }
diff --git a/include/common/tmsg.h b/include/common/tmsg.h
index 2aaa2168cc004fc88eb3fccbca5b248964461107..3fb45794513f0f362cfcf26bb809dd5d059b1d58 100644
--- a/include/common/tmsg.h
+++ b/include/common/tmsg.h
@@ -1053,6 +1053,7 @@ typedef struct {
 typedef struct {
   int8_t igExists;
   char*  name;
+  char*  sql;
   char*  physicalPlan;
   char*  logicalPlan;
 } SCMCreateTopicReq;
@@ -1061,6 +1062,7 @@ static FORCE_INLINE int tSerializeSCMCreateTopicReq(void** buf, const SCMCreateT
   int tlen = 0;
   tlen += taosEncodeFixedI8(buf, pReq->igExists);
   tlen += taosEncodeString(buf, pReq->name);
+  tlen += taosEncodeString(buf, pReq->sql);
   tlen += taosEncodeString(buf, pReq->physicalPlan);
   tlen += taosEncodeString(buf, pReq->logicalPlan);
   return tlen;
@@ -1069,6 +1071,7 @@ static FORCE_INLINE int tSerializeSCMCreateTopicReq(void** buf, const SCMCreateT
 static FORCE_INLINE void* tDeserializeSCMCreateTopicReq(void* buf, SCMCreateTopicReq* pReq) {
   buf = taosDecodeFixedI8(buf, &(pReq->igExists));
   buf = taosDecodeString(buf, &(pReq->name));
+  buf = taosDecodeString(buf, &(pReq->sql));
   buf = taosDecodeString(buf, &(pReq->physicalPlan));
   buf = taosDecodeString(buf, &(pReq->logicalPlan));
   return buf;
@@ -1191,7 +1194,7 @@ typedef struct {
 } SMVSubscribeRsp;
 
 typedef struct {
-  char    name[TSDB_TOPIC_FNAME_LEN];
+  char    name[TSDB_TOPIC_NAME_LEN];
   int8_t  igExists;
   int32_t execLen;
   void*   executor;
diff --git a/include/common/tname.h b/include/common/tname.h
index 11d97dac06d7240664f48626cd9d58ad6c555afa..12a0d34cb4fef92d0f65de535808f1150aa2c33d 100644
--- a/include/common/tname.h
+++ b/include/common/tname.h
@@ -25,14 +25,12 @@
 #define T_NAME_ACCT        0x1u
 #define T_NAME_DB          0x2u
 #define T_NAME_TABLE       0x4u
-#define T_NAME_TOPIC       0x8u
 
 typedef struct SName {
   uint8_t type;  //db_name_t, table_name_t
   int32_t acctId;
   char    dbname[TSDB_DB_NAME_LEN];
   char    tname[TSDB_TABLE_NAME_LEN];
-  char    topicName[TSDB_TOPIC_NAME_LEN];
 } SName;
 
 int32_t tNameExtractFullName(const SName* name, char* dst);
diff --git a/include/util/tcoding.h b/include/util/tcoding.h
index 226856901f2d20ae6ce50f81989aba032ca38d6c..819878704833db6db9994e36f04fc3741b2461bb 100644
--- a/include/util/tcoding.h
+++ b/include/util/tcoding.h
@@ -351,6 +351,7 @@ static FORCE_INLINE void *taosDecodeString(void *buf, char **value) {
 
   buf = taosDecodeVariantU64(buf, &size);
   *value = (char *)malloc((size_t)size + 1);
+
   if (*value == NULL) return NULL;
   memcpy(*value, buf, (size_t)size);
 
diff --git a/include/util/tdef.h b/include/util/tdef.h
index 9f16b58e0db30e8357da720f5254605f0d5bec08..428de5d17138a9f869b4ab0b3fc987759c256bba 100644
--- a/include/util/tdef.h
+++ b/include/util/tdef.h
@@ -181,7 +181,7 @@ do { \
 #define TSDB_COL_NAME_LEN         65
 #define TSDB_MAX_SAVED_SQL_LEN    TSDB_MAX_COLUMNS * 64
 #define TSDB_MAX_SQL_LEN          TSDB_PAYLOAD_SIZE
-#define TSDB_MAX_SQL_SHOW_LEN     512
+#define TSDB_MAX_SQL_SHOW_LEN     1024
 #define TSDB_MAX_ALLOWED_SQL_LEN  (1*1024*1024u)          // sql length should be less than 1mb
 
 #define TSDB_APP_NAME_LEN          TSDB_UNI_LEN
diff --git a/source/client/src/clientImpl.c b/source/client/src/clientImpl.c
index 3090955f692b124e5b0ea5caa3723e79c2e78915..df7e10af7d24b196979e194367cb3bb18bb422a9 100644
--- a/source/client/src/clientImpl.c
+++ b/source/client/src/clientImpl.c
@@ -13,12 +13,12 @@
 #include "tpagedfile.h"
 #include "tref.h"
 
-#define CHECK_CODE_GOTO(expr, lable) \
+#define CHECK_CODE_GOTO(expr, label) \
   do {                               \
     int32_t code = expr;             \
     if (TSDB_CODE_SUCCESS != code) { \
       terrno = code;                 \
-      goto lable;                    \
+      goto label;                    \
     }                                \
   } while (0)
 
@@ -258,36 +258,62 @@ int32_t scheduleQuery(SRequestObj* pRequest, SQueryDag* pDag) {
   return scheduleAsyncExecJob(pRequest->pTscObj->pAppInfo->pTransporter, NULL, pDag, &pRequest->body.pQueryJob);
 }
 
-TAOS_RES *tmq_create_topic(TAOS* taos, const char* name, const char* sql, int sqlLen) {
-  STscObj* pTscObj = (STscObj*)taos;
-  SRequestObj* pRequest = NULL;
-  SQueryNode*  pQuery = NULL;
-  SQueryDag*   pDag = NULL;
-  char *dagStr = NULL;
+TAOS_RES *taos_create_topic(TAOS* taos, const char* topicName, const char* sql, int sqlLen) {
+  STscObj     *pTscObj = (STscObj*)taos;
+  SRequestObj *pRequest = NULL;
+  SQueryNode  *pQueryNode = NULL;
+  char        *pStr = NULL;
 
   terrno = TSDB_CODE_SUCCESS;
+  if (taos == NULL || topicName == NULL || sql == NULL) {
+    tscError("invalid parameters for creating topic, connObj:%p, topic name:%s, sql:%s", taos, topicName, sql);
+    terrno = TSDB_CODE_TSC_INVALID_INPUT;
+    goto _return;
+  }
+
+  if (strlen(topicName) >= TSDB_TOPIC_NAME_LEN) {
+    tscError("topic name too long, max length:%d", TSDB_TOPIC_NAME_LEN - 1);
+    terrno = TSDB_CODE_TSC_INVALID_INPUT;
+    goto _return;
+  }
+
+  if (sqlLen > tsMaxSQLStringLen) {
+    tscError("sql string exceeds max length:%d", tsMaxSQLStringLen);
+    terrno = TSDB_CODE_TSC_EXCEED_SQL_LIMIT;
+    goto _return;
+  }
+
+  tscDebug("start to create topic, %s", topicName);
 
   CHECK_CODE_GOTO(buildRequest(pTscObj, sql, sqlLen, &pRequest), _return);
+  CHECK_CODE_GOTO(parseSql(pRequest, &pQueryNode), _return);
 
-//temporary disabled until planner ready
-#if 0
-  CHECK_CODE_GOTO(parseSql(pRequest, &pQuery), _return);
-  //TODO: check sql valid
+  // todo check for invalid sql statement and return with error code
 
-  CHECK_CODE_GOTO(qCreateQueryDag(pQuery, &pDag), _return);
+  CHECK_CODE_GOTO(qCreateQueryDag(pQueryNode, &pRequest->body.pDag, pRequest->requestId), _return);
 
-  dagStr = qDagToString(pDag);
-  if(dagStr == NULL) {
-    //TODO
+  pStr = qDagToString(pRequest->body.pDag);
+  if(pStr == NULL) {
+    goto _return;
   }
-#endif
+
+  // The topic should be related to a database that the queried table is belonged to.
+  SName name = {0};
+  char dbName[TSDB_DB_FNAME_LEN] = {0};
+  tNameGetFullDbName(&((SQueryStmtInfo*) pQueryNode)->pTableMetaInfo[0]->name, dbName);
+
+  tNameFromString(&name, dbName, T_NAME_ACCT|T_NAME_DB);
+  tNameFromString(&name, topicName, T_NAME_TABLE);
+
+  char topicFname[TSDB_TOPIC_FNAME_LEN] = {0};
+  tNameExtractFullName(&name, topicFname);
 
   SCMCreateTopicReq req = {
-    .name = (char*)name,
-    .igExists = 0,
-    /*.physicalPlan = dagStr,*/
-    .physicalPlan = (char*)sql,
-    .logicalPlan = "",
+    .name         = (char*) topicFname,
+    .igExists     = 0,
+    .physicalPlan = (char*) pStr,
+    .sql          = (char*) sql,
+    .logicalPlan  = "no logic plan",
   };
 
   int tlen = tSerializeSCMCreateTopicReq(NULL, &req);
@@ -295,27 +321,32 @@ TAOS_RES *tmq_create_topic(TAOS* taos, const char* name, const char* sql, int sq
   if(buf == NULL) {
     goto _return;
   }
+
   void* abuf = buf;
   tSerializeSCMCreateTopicReq(&abuf, &req);
   /*printf("formatted: %s\n", dagStr);*/
 
   pRequest->body.requestMsg = (SDataBuf){ .pData = buf, .len = tlen };
+  pRequest->type = TDMT_MND_CREATE_TOPIC;
 
   SMsgSendInfo* body = buildMsgInfoImpl(pRequest);
-  SEpSet* pEpSet = &pTscObj->pAppInfo->mgmtEp.epSet;
+  SEpSet epSet = getEpSet_s(&pTscObj->pAppInfo->mgmtEp);
 
   int64_t transporterId = 0;
-  asyncSendMsgToServer(pTscObj->pAppInfo->pTransporter, pEpSet, &transporterId, body);
+  asyncSendMsgToServer(pTscObj->pAppInfo->pTransporter, &epSet, &transporterId, body);
 
   tsem_wait(&pRequest->body.rspSem);
 
 _return:
-  qDestroyQuery(pQuery);
-  qDestroyQueryDag(pDag); 
-  destroySendMsgInfo(body);
+  qDestroyQuery(pQueryNode);
+  if (body != NULL) {
+    destroySendMsgInfo(body);
+  }
+
   if (pRequest != NULL && terrno != TSDB_CODE_SUCCESS) {
     pRequest->code = terrno;
   }
+
   return pRequest;
 }
 
@@ -330,22 +361,22 @@ TAOS_RES *taos_query_l(TAOS *taos, const char *sql, int sqlLen) {
   nPrintTsc("%s", sql)
 
   SRequestObj *pRequest = NULL;
-  SQueryNode  *pQuery   = NULL;
+  SQueryNode  *pQueryNode = NULL;
 
   terrno = TSDB_CODE_SUCCESS;
   CHECK_CODE_GOTO(buildRequest(pTscObj, sql, sqlLen, &pRequest), _return);
-  CHECK_CODE_GOTO(parseSql(pRequest, &pQuery), _return);
+  CHECK_CODE_GOTO(parseSql(pRequest, &pQueryNode), _return);
 
-  if (qIsDdlQuery(pQuery)) {
-    CHECK_CODE_GOTO(execDdlQuery(pRequest, pQuery), _return);
+  if (qIsDdlQuery(pQueryNode)) {
+    CHECK_CODE_GOTO(execDdlQuery(pRequest, pQueryNode), _return);
   } else {
-    CHECK_CODE_GOTO(getPlan(pRequest, pQuery, &pRequest->body.pDag), _return);
+    CHECK_CODE_GOTO(getPlan(pRequest, pQueryNode, &pRequest->body.pDag), _return);
     CHECK_CODE_GOTO(scheduleQuery(pRequest, pRequest->body.pDag), _return);
     pRequest->code = terrno;
   }
 
 _return:
-  qDestroyQuery(pQuery);
+  qDestroyQuery(pQueryNode);
   if (NULL != pRequest && TSDB_CODE_SUCCESS != terrno) {
     pRequest->code = terrno;
   }
diff --git a/source/client/test/clientTests.cpp b/source/client/test/clientTests.cpp
index 7086da0d550885ae09ffecbdc88bd12c7e763ffb..429657b61774ab24f06e160e69f8a7d83b474da4 100644
--- a/source/client/test/clientTests.cpp
+++ b/source/client/test/clientTests.cpp
@@ -48,14 +48,14 @@ int main(int argc, char** argv) {
 
 TEST(testCase, driverInit_Test) { taos_init(); }
 
-//TEST(testCase, connect_Test) {
-//  TAOS* pConn = taos_connect("localhost", "root", "taosdata", NULL, 0);
-//  if (pConn == NULL) {
-//    printf("failed to connect to server, reason:%s\n", taos_errstr(NULL));
-//  }
-//  taos_close(pConn);
-//}
-//
+TEST(testCase, connect_Test) {
+  TAOS* pConn = taos_connect("localhost", "root", "taosdata", NULL, 0);
+  if (pConn == NULL) {
+    printf("failed to connect to server, reason:%s\n", taos_errstr(NULL));
+  }
+  taos_close(pConn);
+}
+
 //TEST(testCase, create_user_Test) {
 //  TAOS* pConn = taos_connect("localhost", "root", "taosdata", NULL, 0);
 //  assert(pConn != NULL);
@@ -514,39 +514,29 @@ TEST(testCase, driverInit_Test) { taos_init(); }
 //  taosHashCleanup(phash);
 //}
 //
-//// TEST(testCase, create_topic_Test) {
-////  TAOS* pConn = taos_connect("localhost", "root", "taosdata", NULL, 0);
-////  assert(pConn != NULL);
-////
-////  TAOS_RES* pRes = taos_query(pConn, "create database abc1");
-////  if (taos_errno(pRes) != 0) {
-////    printf("error in create db, reason:%s\n", taos_errstr(pRes));
-////  }
-////  taos_free_result(pRes);
-////
-////  pRes = taos_query(pConn, "use abc1");
-////  if (taos_errno(pRes) != 0) {
-////    printf("error in use db, reason:%s\n", taos_errstr(pRes));
-////  }
-////  taos_free_result(pRes);
-////
-////  pRes = taos_query(pConn, "create stable st1(ts timestamp, k int) tags(a int)");
-////  if (taos_errno(pRes) != 0) {
-////    printf("error in create stable, reason:%s\n", taos_errstr(pRes));
-////  }
-////
-////  TAOS_FIELD* pFields = taos_fetch_fields(pRes);
-////  ASSERT_TRUE(pFields == NULL);
-////
-////  int32_t numOfFields = taos_num_fields(pRes);
-////  ASSERT_EQ(numOfFields, 0);
-////
-////  taos_free_result(pRes);
-////
-////  char* sql = "select * from st1";
-////  tmq_create_topic(pConn, "test_topic_1", sql, strlen(sql));
-////  taos_close(pConn);
-////}
+TEST(testCase, create_topic_Test) {
+  TAOS* pConn = taos_connect("localhost", "root", "taosdata", NULL, 0);
+  assert(pConn != NULL);
+
+  TAOS_RES* pRes = taos_query(pConn, "use abc1");
+  if (taos_errno(pRes) != 0) {
+    printf("error in use db, reason:%s\n", taos_errstr(pRes));
+  }
+  taos_free_result(pRes);
+
+  TAOS_FIELD* pFields = taos_fetch_fields(pRes);
+  ASSERT_TRUE(pFields == nullptr);
+
+  int32_t numOfFields = taos_num_fields(pRes);
+  ASSERT_EQ(numOfFields, 0);
+
+  taos_free_result(pRes);
+
+  char* sql = "select * from tu";
+  pRes = taos_create_topic(pConn, "test_topic_1", sql, strlen(sql));
+  taos_free_result(pRes);
+  taos_close(pConn);
+}
 //
 //TEST(testCase, insert_test) {
 //  TAOS* pConn = taos_connect("localhost", "root", "taosdata", NULL, 0);
@@ -565,7 +555,7 @@ TEST(testCase, driverInit_Test) { taos_init(); }
 //  taos_free_result(pRes);
 //  taos_close(pConn);
 //}
-//
+
 //TEST(testCase, projection_query_tables) {
 //  TAOS* pConn = taos_connect("localhost", "root", "taosdata", NULL, 0);
 //  ASSERT_NE(pConn, nullptr);
@@ -573,30 +563,58 @@ TEST(testCase, driverInit_Test) { taos_init(); }
 //  TAOS_RES* pRes = taos_query(pConn, "use abc1");
 //  taos_free_result(pRes);
 //
-//  pRes = taos_query(pConn, "create stable st1 (ts timestamp, k int) tags(a int)");
-//  if (taos_errno(pRes) != 0) {
-//    printf("failed to create table tu, reason:%s\n", taos_errstr(pRes));
-//  }
-//  taos_free_result(pRes);
+////  pRes = taos_query(pConn, "create stable st1 (ts timestamp, k int) tags(a int)");
+////  if (taos_errno(pRes) != 0) {
+////    printf("failed to create table tu, reason:%s\n", taos_errstr(pRes));
+////  }
+////  taos_free_result(pRes);
+////
+////  pRes = taos_query(pConn, "create table tu using st1 tags(1)");
+////  if (taos_errno(pRes) != 0) {
+////    printf("failed to create table tu, reason:%s\n", taos_errstr(pRes));
+////  }
+////  taos_free_result(pRes);
+////
+////  for(int32_t i = 0; i < 100; ++i) {
+////    char sql[512] = {0};
+////    sprintf(sql, "insert into tu values(now+%da, %d)", i, i);
+////    TAOS_RES* p = taos_query(pConn, sql);
+////    if (taos_errno(p) != 0) {
+////      printf("failed to insert data, reason:%s\n", taos_errstr(p));
+////    }
+////
+////    taos_free_result(p);
+////  }
 //
-//  pRes = taos_query(pConn, "create table tu using st1 tags(1)");
+//  pRes = taos_query(pConn, "select * from tu");
 //  if (taos_errno(pRes) != 0) {
-//    printf("failed to create table tu, reason:%s\n", taos_errstr(pRes));
+//    printf("failed to select from table, reason:%s\n", taos_errstr(pRes));
+//    taos_free_result(pRes);
+//    ASSERT_TRUE(false);
 //  }
-//  taos_free_result(pRes);
 //
-//  for(int32_t i = 0; i < 100; ++i) {
-//    char sql[512] = {0};
-//    sprintf(sql, "insert into tu values(now+%da, %d)", i, i);
-//    TAOS_RES* p = taos_query(pConn, sql);
-//    if (taos_errno(p) != 0) {
-//      printf("failed to insert data, reason:%s\n", taos_errstr(p));
-//    }
+//  TAOS_ROW    pRow = NULL;
+//  TAOS_FIELD* pFields = taos_fetch_fields(pRes);
+//  int32_t     numOfFields = taos_num_fields(pRes);
 //
-//    taos_free_result(p);
+//  char str[512] = {0};
+//  while ((pRow = taos_fetch_row(pRes)) != NULL) {
+//    int32_t code = taos_print_row(str, pRow, pFields, numOfFields);
+//    printf("%s\n", str);
 //  }
 //
-//  pRes = taos_query(pConn, "select * from tu");
+//  taos_free_result(pRes);
+//  taos_close(pConn);
+//}
+
+//TEST(testCase, projection_query_stables) {
+//  TAOS* pConn = taos_connect("localhost", "root", "taosdata", NULL, 0);
+//  ASSERT_NE(pConn, nullptr);
+//
+//  TAOS_RES* pRes = taos_query(pConn, "use abc1");
+//  taos_free_result(pRes);
+//
+//  pRes = taos_query(pConn, "select ts,k from m1");
 //  if (taos_errno(pRes) != 0) {
 //    printf("failed to select from table, reason:%s\n", taos_errstr(pRes));
 //    taos_free_result(pRes);
@@ -616,31 +634,3 @@ TEST(testCase, driverInit_Test) { taos_init(); }
 //  taos_free_result(pRes);
 //  taos_close(pConn);
 //}
-
-TEST(testCase, projection_query_stables) {
-  TAOS* pConn = taos_connect("localhost", "root", "taosdata", NULL, 0);
-  ASSERT_NE(pConn, nullptr);
-
-  TAOS_RES* pRes = taos_query(pConn, "use abc1");
-  taos_free_result(pRes);
-
-  pRes = taos_query(pConn, "select ts,k from m1");
-  if (taos_errno(pRes) != 0) {
-    printf("failed to select from table, reason:%s\n", taos_errstr(pRes));
-    taos_free_result(pRes);
-    ASSERT_TRUE(false);
-  }
-
-  TAOS_ROW    pRow = NULL;
-  TAOS_FIELD* pFields = taos_fetch_fields(pRes);
-  int32_t     numOfFields = taos_num_fields(pRes);
-
-  char str[512] = {0};
-  while ((pRow = taos_fetch_row(pRes)) != NULL) {
-    int32_t code = taos_print_row(str, pRow, pFields, numOfFields);
-    printf("%s\n", str);
-  }
-
-  taos_free_result(pRes);
-  taos_close(pConn);
-}
diff --git a/source/dnode/mnode/impl/inc/mndDef.h b/source/dnode/mnode/impl/inc/mndDef.h
index a55e0dd2b252c328221d7b1e6d644eadf8e5db68..0c2524f48c375b3432d1f7931fefe0e87b302ef0 100644
--- a/source/dnode/mnode/impl/inc/mndDef.h
+++ b/source/dnode/mnode/impl/inc/mndDef.h
@@ -350,7 +350,7 @@ typedef struct SMqTopicObj {
 
 // TODO: add cache and change name to id
 typedef struct SMqConsumerTopic {
-  char   name[TSDB_TOPIC_FNAME_LEN];
+  char   name[TSDB_TOPIC_NAME_LEN];
   SList *vgroups;  // SList<int32_t>
 } SMqConsumerTopic;
 
@@ -409,7 +409,7 @@ typedef struct SMqVGroupHbObj {
 
 #if 0
 typedef struct SCGroupObj {
-  char     name[TSDB_TOPIC_FNAME_LEN];
+  char     name[TSDB_TOPIC_NAME_LEN];
   int64_t  createTime;
   int64_t  updateTime;
   uint64_t uid;
diff --git a/source/dnode/mnode/impl/src/mndTopic.c b/source/dnode/mnode/impl/src/mndTopic.c
index acdc718f20c3176313bbed172daffc55f7892bba..67aeae0d4c3f35b1637b1d1ec51f2809e28bc4dc 100644
--- a/source/dnode/mnode/impl/src/mndTopic.c
+++ b/source/dnode/mnode/impl/src/mndTopic.c
@@ -118,11 +118,13 @@ SSdbRow *mndTopicActionDecode(SSdbRaw *pRaw) {
   SDB_GET_INT64(pRaw, dataPos, &pTopic->dbUid, TOPIC_DECODE_OVER);
   SDB_GET_INT32(pRaw, dataPos, &pTopic->version, TOPIC_DECODE_OVER);
   SDB_GET_INT32(pRaw, dataPos, &pTopic->sqlLen, TOPIC_DECODE_OVER);
+
+  pTopic->sql = calloc(pTopic->sqlLen + 1, sizeof(char));
   SDB_GET_BINARY(pRaw, dataPos, pTopic->sql, pTopic->sqlLen, TOPIC_DECODE_OVER);
-  SDB_GET_INT32(pRaw, dataPos, &len, TOPIC_DECODE_OVER);
-  SDB_GET_BINARY(pRaw, dataPos, pTopic->logicalPlan, len, TOPIC_DECODE_OVER);
-  SDB_GET_INT32(pRaw, dataPos, &len, TOPIC_DECODE_OVER);
-  SDB_GET_BINARY(pRaw, dataPos, pTopic->physicalPlan, len, TOPIC_DECODE_OVER);
+//  SDB_GET_INT32(pRaw, dataPos, &len, TOPIC_DECODE_OVER);
+//  SDB_GET_BINARY(pRaw, dataPos, pTopic->logicalPlan, len, TOPIC_DECODE_OVER);
+//  SDB_GET_INT32(pRaw, dataPos, &len, TOPIC_DECODE_OVER);
+//  SDB_GET_BINARY(pRaw, dataPos, pTopic->physicalPlan, len, TOPIC_DECODE_OVER);
 
   SDB_GET_RESERVE(pRaw, dataPos, MND_TOPIC_RESERVE_SIZE, TOPIC_DECODE_OVER)
 
@@ -178,7 +180,7 @@ void mndReleaseTopic(SMnode *pMnode, SMqTopicObj *pTopic) {
 
 static SDbObj *mndAcquireDbByTopic(SMnode *pMnode, char *topicName) {
   SName name = {0};
-  tNameFromString(&name, topicName, T_NAME_ACCT | T_NAME_DB | T_NAME_TOPIC);
+  tNameFromString(&name, topicName, T_NAME_ACCT | T_NAME_DB | T_NAME_TABLE);
 
   char db[TSDB_TABLE_FNAME_LEN] = {0};
   tNameGetFullDbName(&name, db);
@@ -203,20 +205,24 @@ static SDDropTopicReq *mndBuildDropTopicMsg(SMnode *pMnode, SVgObj *pVgroup, SMq
   return pDrop;
 }
 
-static int32_t mndCheckCreateTopicMsg(SCMCreateTopicReq *pCreate) {
+static int32_t mndCheckCreateTopicMsg(SCMCreateTopicReq *creattopReq) {
   // deserialize and other stuff
   return 0;
 }
 
 static int32_t mndCreateTopic(SMnode *pMnode, SMnodeMsg *pMsg, SCMCreateTopicReq *pCreate, SDbObj *pDb) {
   SMqTopicObj topicObj = {0};
-  tstrncpy(topicObj.name, pCreate->name, TSDB_TABLE_FNAME_LEN);
+  tstrncpy(topicObj.name, pCreate->name, TSDB_TOPIC_FNAME_LEN);
   tstrncpy(topicObj.db, pDb->name, TSDB_DB_FNAME_LEN);
   topicObj.createTime = taosGetTimestampMs();
   topicObj.updateTime = topicObj.createTime;
   topicObj.uid = mndGenerateUid(pCreate->name, TSDB_TABLE_FNAME_LEN);
   topicObj.dbUid = pDb->uid;
   topicObj.version = 1;
+  topicObj.sql = strdup(pCreate->sql);
+  topicObj.physicalPlan = strdup(pCreate->physicalPlan);
+  topicObj.logicalPlan = strdup(pCreate->logicalPlan);
+  topicObj.sqlLen = strlen(pCreate->sql);
 
   SSdbRaw *pTopicRaw = mndTopicActionEncode(&topicObj);
   if (pTopicRaw == NULL) return -1;
@@ -228,46 +234,47 @@ static int32_t mndCreateTopic(SMnode *pMnode, SMnodeMsg *pMsg, SCMCreateTopicReq
 static int32_t mndProcessCreateTopicMsg(SMnodeMsg *pMsg) {
   SMnode            *pMnode = pMsg->pMnode;
   char              *msgStr = pMsg->rpcMsg.pCont;
-  SCMCreateTopicReq *pCreate;
-  tDeserializeSCMCreateTopicReq(msgStr, pCreate);
 
-  mDebug("topic:%s, start to create", pCreate->name);
+  SCMCreateTopicReq createTopicReq = {0};
+  tDeserializeSCMCreateTopicReq(msgStr, &createTopicReq);
+
+  mDebug("topic:%s, start to create, sql:%s", createTopicReq.name, createTopicReq.sql);
 
-  if (mndCheckCreateTopicMsg(pCreate) != 0) {
-    mError("topic:%s, failed to create since %s", pCreate->name, terrstr());
+  if (mndCheckCreateTopicMsg(&createTopicReq) != 0) {
+    mError("topic:%s, failed to create since %s", createTopicReq.name, terrstr());
     return -1;
   }
 
-  SMqTopicObj *pTopic = mndAcquireTopic(pMnode, pCreate->name);
+  SMqTopicObj *pTopic = mndAcquireTopic(pMnode, createTopicReq.name);
   if (pTopic != NULL) {
     sdbRelease(pMnode->pSdb, pTopic);
-    if (pCreate->igExists) {
-      mDebug("topic:%s, already exist, ignore exist is set", pCreate->name);
+    if (createTopicReq.igExists) {
+      mDebug("topic:%s, already exist, ignore exist is set", createTopicReq.name);
       return 0;
     } else {
       terrno = TSDB_CODE_MND_TOPIC_ALREADY_EXIST;
-      mError("db:%s, failed to create since %s", pCreate->name, terrstr());
+      mError("db:%s, failed to create since %s", createTopicReq.name, terrstr());
       return -1;
     }
   }
 
-  SDbObj *pDb = mndAcquireDbByTopic(pMnode, pCreate->name);
+  SDbObj *pDb = mndAcquireDbByTopic(pMnode, createTopicReq.name);
   if (pDb == NULL) {
     terrno = TSDB_CODE_MND_DB_NOT_SELECTED;
-    mError("topic:%s, failed to create since %s", pCreate->name, terrstr());
+    mError("topic:%s, failed to create since %s", createTopicReq.name, terrstr());
     return -1;
   }
 
-  int32_t code = mndCreateTopic(pMnode, pMsg, pCreate, pDb);
+  int32_t code = mndCreateTopic(pMnode, pMsg, &createTopicReq, pDb);
   mndReleaseDb(pMnode, pDb);
 
   if (code != 0) {
     terrno = code;
-    mError("topic:%s, failed to create since %s", pCreate->name, terrstr());
+    mError("topic:%s, failed to create since %s", createTopicReq.name, terrstr());
     return -1;
   }
 
-  return TSDB_CODE_MND_ACTION_IN_PROGRESS;
+  return TSDB_CODE_SUCCESS;
 }
 
 static int32_t mndDropTopic(SMnode *pMnode, SMnodeMsg *pMsg, SMqTopicObj *pTopic) { return 0; }
diff --git a/source/libs/catalog/src/catalog.c b/source/libs/catalog/src/catalog.c
index 94f34b8e1726dcd234c6e08eb426536f1f669edf..f6b752bc6cbbd89bb3a897c41ac8e9f981aa2ed5 100644
--- a/source/libs/catalog/src/catalog.c
+++ b/source/libs/catalog/src/catalog.c
@@ -285,16 +285,16 @@ int32_t ctgGetTableMetaFromVnode(struct SCatalog* pCatalog, void *pTransporter,
   char dbFullName[TSDB_DB_FNAME_LEN];
   tNameGetFullDbName(pTableName, dbFullName);
 
-  ctgDebug("try to get table meta from vnode, db:%s, tbName:%s", dbFullName, pTableName->tname);
+  ctgDebug("try to get table meta from vnode, db:%s, tbName:%s", dbFullName, tNameGetTableName(pTableName));
 
-  SBuildTableMetaInput bInput = {.vgId = vgroupInfo->vgId, .dbName = dbFullName, .tableFullName = (char *)pTableName->tname};
+  SBuildTableMetaInput bInput = {.vgId = vgroupInfo->vgId, .dbName = dbFullName, .tableFullName = (char *)tNameGetTableName(pTableName)};
   char *msg = NULL;
   SEpSet *pVnodeEpSet = NULL;
   int32_t msgLen = 0;
 
   int32_t code = queryBuildMsg[TMSG_INDEX(TDMT_VND_TABLE_META)](&bInput, &msg, 0, &msgLen);
   if (code) {
-    ctgError("Build vnode tablemeta msg failed, code:%x, tbName:%s", code, pTableName->tname);
+    ctgError("Build vnode tablemeta msg failed, code:%x, tbName:%s", code, tNameGetTableName(pTableName));
     CTG_ERR_RET(code);
   }
 
@@ -313,21 +313,21 @@ int32_t ctgGetTableMetaFromVnode(struct SCatalog* pCatalog, void *pTransporter,
   if (TSDB_CODE_SUCCESS != rpcRsp.code) {
     if (CTG_TABLE_NOT_EXIST(rpcRsp.code)) {
       SET_META_TYPE_NONE(output->metaType);
-      ctgDebug("tablemeta not exist in vnode, tbName:%s", pTableName->tname);
+      ctgDebug("tablemeta not exist in vnode, tbName:%s", tNameGetTableName(pTableName));
       return TSDB_CODE_SUCCESS;
     }
   
-    ctgError("error rsp for table meta from vnode, code:%x, tbName:%s", rpcRsp.code, pTableName->tname);
+    ctgError("error rsp for table meta from vnode, code:%x, tbName:%s", rpcRsp.code, tNameGetTableName(pTableName));
     CTG_ERR_RET(rpcRsp.code);
   }
 
   code = queryProcessMsgRsp[TMSG_INDEX(TDMT_VND_TABLE_META)](output, rpcRsp.pCont, rpcRsp.contLen);
   if (code) {
-    ctgError("Process vnode tablemeta rsp failed, code:%x, tbName:%s", code, pTableName->tname);
+    ctgError("Process vnode tablemeta rsp failed, code:%x, tbName:%s", code, tNameGetTableName(pTableName));
     CTG_ERR_RET(code);
   }
 
-  ctgDebug("Got table meta from vnode, db:%s, tbName:%s", dbFullName, pTableName->tname);
+  ctgDebug("Got table meta from vnode, db:%s, tbName:%s", dbFullName, tNameGetTableName(pTableName));
 
   return TSDB_CODE_SUCCESS;
 }
@@ -776,7 +776,7 @@ int32_t ctgRenewTableMetaImpl(struct SCatalog* pCatalog, void *pTransporter, con
   STableMetaOutput *output = &voutput;
 
   if (CTG_IS_STABLE(isSTable)) {
-    ctgDebug("will renew table meta, supposed to be stable, tbName:%s", pTableName->tname);
+    ctgDebug("will renew table meta, supposed to be stable, tbName:%s", tNameGetTableName(pTableName));
 
     // if get from mnode failed, will not try vnode
     CTG_ERR_JRET(ctgGetTableMetaFromMnode(pCatalog, pTransporter, pMgmtEps, pTableName, &moutput));
@@ -787,13 +787,13 @@ int32_t ctgRenewTableMetaImpl(struct SCatalog* pCatalog, void *pTransporter, con
       output = &moutput;
     }
   } else {
-    ctgDebug("will renew table meta, not supposed to be stable, tbName:%s, isStable:%d", pTableName->tname, isSTable);
+    ctgDebug("will renew table meta, not supposed to be stable, tbName:%s, isStable:%d", tNameGetTableName(pTableName), isSTable);
 
     // if get from vnode failed or no table meta, will not try mnode
     CTG_ERR_JRET(ctgGetTableMetaFromVnode(pCatalog, pTransporter, pMgmtEps, pTableName, &vgroupInfo, &voutput));
 
     if (CTG_IS_META_TABLE(voutput.metaType) && TSDB_SUPER_TABLE == voutput.tbMeta->tableType) {
-      ctgDebug("will continue to renew table meta since got stable, tbName:%s, metaType:%d", pTableName->tname, voutput.metaType);
+      ctgDebug("will continue to renew table meta since got stable, tbName:%s, metaType:%d", tNameGetTableName(pTableName), voutput.metaType);
       
       CTG_ERR_JRET(ctgGetTableMetaFromMnodeImpl(pCatalog, pTransporter, pMgmtEps, voutput.tbFname, &moutput));
 
@@ -820,7 +820,7 @@ int32_t ctgRenewTableMetaImpl(struct SCatalog* pCatalog, void *pTransporter, con
   }
 
   if (CTG_IS_META_NONE(output->metaType)) {
-    ctgError("no tablemeta got, tbNmae:%s", pTableName->tname);
+    ctgError("no tablemeta got, tbNmae:%s", tNameGetTableName(pTableName));
     CTG_ERR_JRET(CTG_ERR_CODE_TABLE_NOT_EXIST);
   }
 
@@ -860,7 +860,7 @@ int32_t ctgGetTableMeta(struct SCatalog* pCatalog, void *pRpc, const SEpSet* pMg
   CTG_ERR_RET(ctgGetTableMetaFromCache(pCatalog, pTableName, pTableMeta, &exist));
 
   if (0 == exist) {
-    ctgError("renew tablemeta succeed but get from cache failed, may be deleted, tbName:%s", pTableName->tname);
+    ctgError("renew tablemeta succeed but get from cache failed, may be deleted, tbName:%s", tNameGetTableName(pTableName));
     CTG_ERR_RET(TSDB_CODE_CTG_INTERNAL_ERROR);
   }
   
@@ -1241,7 +1241,7 @@ int32_t catalogGetTableDistVgroup(struct SCatalog* pCatalog, void *pRpc, const S
   } else {
     int32_t vgId = tbMeta->vgId;
     if (NULL == taosHashGetClone(dbVgroup->vgInfo, &vgId, sizeof(vgId), &vgroupInfo)) {
-      ctgError("table's vgId not found in vgroup list, vgId:%d, tbName:%s", vgId, pTableName->tname);
+      ctgError("table's vgId not found in vgroup list, vgId:%d, tbName:%s", vgId, tNameGetTableName(pTableName));
       CTG_ERR_JRET(TSDB_CODE_CTG_INTERNAL_ERROR);    
     }
 
@@ -1252,7 +1252,7 @@ int32_t catalogGetTableDistVgroup(struct SCatalog* pCatalog, void *pRpc, const S
     }
 
     if (NULL == taosArrayPush(vgList, &vgroupInfo)) {
-      ctgError("taosArrayPush vgroupInfo to array failed, vgId:%d, tbName:%s", vgId, pTableName->tname);
+      ctgError("taosArrayPush vgroupInfo to array failed, vgId:%d, tbName:%s", vgId, tNameGetTableName(pTableName));
       CTG_ERR_JRET(TSDB_CODE_CTG_INTERNAL_ERROR);
     }
 
diff --git a/source/libs/planner/src/physicalPlanJson.c b/source/libs/planner/src/physicalPlanJson.c
index 2e553fe4e67dba5377c1485faac858a09d6605a2..97eb63ac3129bc8454b6263b7f8aca31f2dde397 100644
--- a/source/libs/planner/src/physicalPlanJson.c
+++ b/source/libs/planner/src/physicalPlanJson.c
@@ -1057,14 +1057,18 @@ cJSON* qDagToJson(const SQueryDag* pDag) {
   if(pRoot == NULL) {
     return NULL;
   }
-  cJSON_AddNumberToObject(pRoot, "numOfSubplans", pDag->numOfSubplans);
-  cJSON_AddNumberToObject(pRoot, "queryId", pDag->queryId);
+
+  cJSON_AddNumberToObject(pRoot, "Number", pDag->numOfSubplans);
+  cJSON_AddNumberToObject(pRoot, "QueryId", pDag->queryId);
+
   cJSON *pLevels = cJSON_CreateArray();
   if(pLevels == NULL) {
     cJSON_Delete(pRoot);
     return NULL;
   }
-  cJSON_AddItemToObject(pRoot, "pSubplans", pLevels);
+
+  cJSON_AddItemToObject(pRoot, "Subplans", pLevels);
+
   size_t level = taosArrayGetSize(pDag->pSubplans);
   for(size_t i = 0; i < level; i++) {
     const SArray* pSubplans = (const SArray*)taosArrayGetP(pDag->pSubplans, i);
@@ -1074,6 +1078,7 @@ cJSON* qDagToJson(const SQueryDag* pDag) {
       cJSON_Delete(pRoot);
       return NULL;
     }
+
     cJSON_AddItemToArray(pLevels, plansOneLevel);
     for(size_t j = 0; j < num; j++) {
       cJSON* pSubplan = subplanToJson((const SSubplan*)taosArrayGetP(pSubplans, j));
@@ -1081,6 +1086,7 @@ cJSON* qDagToJson(const SQueryDag* pDag) {
         cJSON_Delete(pRoot);
         return NULL;
       }
+
       cJSON_AddItemToArray(plansOneLevel, pSubplan);
     }
   }
diff --git a/source/libs/scheduler/src/scheduler.c b/source/libs/scheduler/src/scheduler.c
index 09e5291c85fd80b7492af974a34506c16adf3407..94574762175cdf0c27718adfbf982e1bfdc163da 100644
--- a/source/libs/scheduler/src/scheduler.c
+++ b/source/libs/scheduler/src/scheduler.c
@@ -1029,6 +1029,7 @@ int32_t schBuildAndSendMsg(SSchJob *pJob, SSchTask *pTask, SQueryNodeAddr *addr,
       msg = pTask->msg;
       break;
     }
+
     case TDMT_VND_QUERY: {
       msgSize = sizeof(SSubQueryMsg) + pTask->msgLen;
       msg = calloc(1, msgSize);
@@ -1047,7 +1048,8 @@ int32_t schBuildAndSendMsg(SSchJob *pJob, SSchTask *pTask, SQueryNodeAddr *addr,
       pMsg->contentLen = htonl(pTask->msgLen);
       memcpy(pMsg->msg, pTask->msg, pTask->msgLen);
       break;
-    }    
+    }
+
     case TDMT_VND_RES_READY: {
       msgSize = sizeof(SResReadyReq);
       msg = calloc(1, msgSize);