[TD-206]

src/client/src/tscSQLParser.c

@@ -282,6 +282,7 @@ int32_t tscToSQLCmd(SSqlObj* pSql, struct SSqlInfo* pInfo) {
       const char* msg2 = "name too long";
 
       SCreateDBInfo* pCreateDB = &(pInfo->pDCLInfo->dbOpt);
+      pCmd->existsCheck = pInfo->pDCLInfo->existsCheck;
       if (tscValidateName(&pCreateDB->dbname) != TSDB_CODE_SUCCESS) {
         return invalidSqlErrMsg(tscGetErrorMsgPayload(pCmd), msg1);
       }

src/client/src/tscSQLParserImpl.c

@@ -815,6 +815,7 @@ void setCreateDBSQL(SSqlInfo *pInfo, int32_t type, SSQLToken *pToken, SCreateDBI
   pInfo->pDCLInfo->dbOpt.dbname = *pToken;
 
   tTokenListAppend(pInfo->pDCLInfo, pIgExists);
+  pInfo->pDCLInfo->existsCheck = (pIgExists->n == 1);
 }
 
 void setCreateAcctSQL(SSqlInfo *pInfo, int32_t type, SSQLToken *pName, SSQLToken *pPwd, SCreateAcctSQL *pAcctInfo) {