feature/qnode

include/libs/nodes/plannodes.h

@@ -48,6 +48,7 @@ typedef struct SScanLogicNode {
   uint8_t scanFlag;         // denotes reversed scan of data or not
   STimeWindow scanRange;
   SName tableName;
+  bool showRewrite;
 } SScanLogicNode;
 
 typedef struct SJoinLogicNode {
@@ -171,6 +172,8 @@ typedef SScanPhysiNode SStreamScanPhysiNode;
 typedef struct SSystemTableScanPhysiNode {
   SScanPhysiNode scan;
   SEpSet mgmtEpSet;
+  bool showRewrite;
+  int32_t accountId;
 } SSystemTableScanPhysiNode;
 
 typedef struct STableScanPhysiNode {

include/libs/parser/parser.h

@@ -54,6 +54,7 @@ typedef struct SQuery {
   int32_t msgType;
   SArray* pDbList;
   SArray* pTableList;
+  bool showRewrite;
 } SQuery;
 
 int32_t qParseQuerySql(SParseContext* pCxt, SQuery** pQuery);

include/libs/planner/planner.h

@@ -29,6 +29,7 @@ typedef struct SPlanContext {
   SNode* pAstRoot;
   bool topicQuery;
   bool streamQuery;
+  bool showRewrite;
 } SPlanContext;
 
 // Create the physical plan for the query, according to the AST.

include/libs/transport/trpc.h

@@ -90,7 +90,7 @@ typedef struct {
   int32_t   msgType;
   void     *val;
   int32_t (*clone)(void *src, void **dst);
-  void    (*free)(void *arg);
+  void    (*freeFunc)(const void *arg);
 } SRpcBrokenlinkVal;
 
 typedef struct {

source/client/src/clientImpl.c

@@ -199,7 +199,8 @@ int32_t getPlan(SRequestObj* pRequest, SQuery* pQuery, SQueryPlan** pPlan, SArra
     .queryId = pRequest->requestId,
     .acctId = pRequest->pTscObj->acctId,
     .mgmtEpSet = getEpSet_s(&pRequest->pTscObj->pAppInfo->mgmtEp),
-    .pAstRoot = pQuery->pRoot
+    .pAstRoot = pQuery->pRoot,
+    .showRewrite = pQuery->showRewrite
   };
   int32_t  code = qCreateQueryPlan(&cxt, pPlan, pNodeList);
   if (code != 0) {

source/dnode/mnode/impl/src/mndShow.c

@@ -357,6 +357,13 @@ static int32_t mndProcessRetrieveSysTableReq(SNodeMsg *pReq) {
   // if free flag is set, client wants to clean the resources
   if ((retrieveReq.free & TSDB_QUERY_TYPE_FREE_RESOURCE) != TSDB_QUERY_TYPE_FREE_RESOURCE) {
     rowsRead = (*retrieveFp)(pReq, (SShowObj*) pShow, pRsp->data, rowsToRead);
+    if (rowsRead < 0) {
+      terrno = rowsRead;
+      rpcFreeCont(pRsp);
+      mDebug("show:0x%" PRIx64 ", retrieve completed", pShow->id);
+      mndReleaseShowObj((SShowObj*) pShow, true);
+      return -1;
+    }
   }
 
   mDebug("show:0x%" PRIx64 ", stop retrieve data, rowsRead:%d rowsToRead:%d", pShow->id, rowsRead, rowsToRead);

source/dnode/mnode/impl/src/mndStb.c

@@ -1613,7 +1613,7 @@ static int32_t mndRetrieveStb(SNodeMsg *pReq, SShowObj *pShow, char *data, int32
   SDbObj* pDb = NULL;
   if (strlen(pShow->db) > 0) {
     pDb = mndAcquireDb(pMnode, pShow->db);
-    if (pDb == NULL) return 0;
+    if (pDb == NULL) return terrno;
   }
 
   while (numOfRows < rows) {

source/libs/executor/inc/executorimpl.h

@@ -449,6 +449,8 @@ typedef struct SSysTableScanInfo {
   SEpSet              epSet;
   tsem_t              ready;
 
+  int32_t             accountId;
+  bool                showRewrite;
   SNode*              pCondition; // db_name filter condition, to discard data that are not in current database
   void               *pCur;       // cursor for iterate the local table meta store.
   SArray             *scanCols;   // SArray<int16_t> scan column id list
@@ -655,7 +657,7 @@ SOperatorInfo* createProjectOperatorInfo(SOperatorInfo* downstream, SExprInfo* p
 SOperatorInfo* createOrderOperatorInfo(SOperatorInfo* downstream, SExprInfo* pExprInfo, int32_t numOfCols, SArray* pOrderVal, SExecTaskInfo* pTaskInfo);
 SOperatorInfo* createSortedMergeOperatorInfo(SOperatorInfo** downstream, int32_t numOfDownstream, SExprInfo* pExprInfo, int32_t num, SArray* pOrderVal, SArray* pGroupInfo, SExecTaskInfo* pTaskInfo);
 SOperatorInfo* createSysTableScanOperatorInfo(void* pSysTableReadHandle, SSDataBlock* pResBlock, const SName* pName,
-                                              SNode* pCondition, SEpSet epset, SArray* colList, SExecTaskInfo* pTaskInfo);
+                                              SNode* pCondition, SEpSet epset, SArray* colList, SExecTaskInfo* pTaskInfo, bool showRewrite, int32_t accountId);
 SOperatorInfo* createLimitOperatorInfo(SOperatorInfo* downstream, SLimit* pLimit, SExecTaskInfo* pTaskInfo);
 
 SOperatorInfo* createIntervalOperatorInfo(SOperatorInfo* downstream, SExprInfo* pExprInfo, int32_t numOfCols, SSDataBlock* pResBlock, SInterval* pInterval,

source/libs/executor/src/executorimpl.c

@@ -5489,7 +5489,8 @@ SOperatorInfo* createStreamScanOperatorInfo(void *streamReadHandle, SSDataBlock*
 }
 
 static int32_t loadSysTableContentCb(void* param, const SDataBuf* pMsg, int32_t code) {
-  SSysTableScanInfo* pScanResInfo = (SSysTableScanInfo*) param;
+  SOperatorInfo* operator = (SOperatorInfo *)param;
+  SSysTableScanInfo* pScanResInfo = (SSysTableScanInfo *)operator->info;
   if (TSDB_CODE_SUCCESS == code) {
     pScanResInfo->pRsp = pMsg->pData;
 
@@ -5498,6 +5499,8 @@ static int32_t loadSysTableContentCb(void* param, const SDataBuf* pMsg, int32_t
     pRsp->useconds  = htobe64(pRsp->useconds);
     pRsp->handle    = htobe64(pRsp->handle);
     pRsp->compLen   = htonl(pRsp->compLen);
+  } else {
+    operator->pTaskInfo->code = code;
   }
 
   tsem_post(&pScanResInfo->ready);
@@ -5544,6 +5547,64 @@ static SSDataBlock* doFilterResult(SSysTableScanInfo* pInfo) {
   return pInfo->pRes->info.rows == 0? NULL:pInfo->pRes;
 }
 
+EDealRes getDBNameFromConditionWalker(SNode* pNode, void* pContext) {
+  int32_t code = TSDB_CODE_SUCCESS;
+  ENodeType nType = nodeType(pNode);
+
+  switch (nType) {
+    case QUERY_NODE_OPERATOR: {
+      SOperatorNode *node = (SOperatorNode *)pNode;
+
+      if (OP_TYPE_EQUAL == node->opType) {
+        *(int32_t *)pContext = 1;      
+        return DEAL_RES_CONTINUE;
+      }
+
+      *(int32_t *)pContext = 0;      
+
+      return DEAL_RES_IGNORE_CHILD;
+    }
+    case QUERY_NODE_COLUMN: {
+      if (1 != *(int32_t *)pContext) {
+        return DEAL_RES_CONTINUE;
+      }
+      
+      SColumnNode *node = (SColumnNode *)pNode;
+      if (TSDB_INS_USER_STABLES_DBNAME_COLID == node->colId) {
+        *(int32_t *)pContext = 2;      
+        return DEAL_RES_CONTINUE;
+      }
+
+      *(int32_t *)pContext = 0;  
+      return DEAL_RES_CONTINUE;
+    }
+    case QUERY_NODE_VALUE: {
+      if (2 != *(int32_t *)pContext) {
+        return DEAL_RES_CONTINUE;
+      }
+
+      SValueNode *node = (SValueNode *)pNode;
+      char *dbName = nodesGetValueFromNode(node);
+      strncpy(pContext, varDataVal(dbName), varDataLen(dbName)); 
+      *((char *)pContext + varDataLen(dbName)) = 0;
+      return DEAL_RES_ERROR;  // stop walk
+    }
+    default:
+      break;
+  }
+
+  return DEAL_RES_CONTINUE;
+}
+
+
+void getDBNameFromCondition(SNode *pCondition, char *dbName) {
+  if (NULL == pCondition) {
+    return;
+  }
+
+  nodesWalkNode(pCondition, getDBNameFromConditionWalker, dbName);
+}
+
 static SSDataBlock* doSysTableScan(SOperatorInfo *pOperator, bool* newgroup) {
 // build message and send to mnode to fetch the content of system tables.
   SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
@@ -5600,7 +5661,11 @@ static SSDataBlock* doSysTableScan(SOperatorInfo *pOperator, bool* newgroup) {
 
     pInfo->req.type = pInfo->type;
     strncpy(pInfo->req.tb, tNameGetTableName(&pInfo->name), tListLen(pInfo->req.tb));
-    getFullDBNameFromCondition(pInfo->pCondition, pInfo->req.db));
+    if (pInfo->showRewrite) {
+      char dbName[TSDB_DB_NAME_LEN] = {0};
+      getDBNameFromCondition(pInfo->pCondition, dbName);
+      sprintf(pInfo->req.db, "%d.%s", pInfo->accountId, dbName);
+    }
 
     int32_t contLen = tSerializeSRetrieveTableReq(NULL, 0, &pInfo->req);
     char* buf1 = taosMemoryCalloc(1, contLen);
@@ -5614,7 +5679,7 @@ static SSDataBlock* doSysTableScan(SOperatorInfo *pOperator, bool* newgroup) {
       return NULL;
     }
 
-    pMsgSendInfo->param = pInfo;
+    pMsgSendInfo->param = pOperator;
     pMsgSendInfo->msgInfo.pData = buf1;
     pMsgSendInfo->msgInfo.len = contLen;
     pMsgSendInfo->msgType = TDMT_MND_SYSTABLE_RETRIEVE;
@@ -5624,6 +5689,10 @@ static SSDataBlock* doSysTableScan(SOperatorInfo *pOperator, bool* newgroup) {
     int32_t code = asyncSendMsgToServer(pInfo->pTransporter, &pInfo->epSet, &transporterId, pMsgSendInfo);
     tsem_wait(&pInfo->ready);
 
+    if (pTaskInfo->code) {
+      return NULL;
+    }
+
     SRetrieveMetaTableRsp* pRsp = pInfo->pRsp;
     pInfo->req.showId = pRsp->handle;
 
@@ -5645,7 +5714,7 @@ static SSDataBlock* doSysTableScan(SOperatorInfo *pOperator, bool* newgroup) {
 }
 
 SOperatorInfo* createSysTableScanOperatorInfo(void* pSysTableReadHandle, SSDataBlock* pResBlock, const SName* pName,
-                                              SNode* pCondition, SEpSet epset, SArray* colList, SExecTaskInfo* pTaskInfo) {
+                                              SNode* pCondition, SEpSet epset, SArray* colList, SExecTaskInfo* pTaskInfo, bool showRewrite, int32_t accountId) {
   SSysTableScanInfo* pInfo = taosMemoryCalloc(1, sizeof(SSysTableScanInfo));
   SOperatorInfo* pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
   if (pInfo == NULL || pOperator == NULL) {
@@ -5655,10 +5724,12 @@ SOperatorInfo* createSysTableScanOperatorInfo(void* pSysTableReadHandle, SSDataB
     return NULL;
   }
 
-  pInfo->pRes       = pResBlock;
-  pInfo->capacity   = 4096;
-  pInfo->pCondition = pCondition;
-  pInfo->scanCols   = colList;
+  pInfo->accountId   = accountId;
+  pInfo->showRewrite = showRewrite;
+  pInfo->pRes        = pResBlock;
+  pInfo->capacity    = 4096;
+  pInfo->pCondition  = pCondition;
+  pInfo->scanCols    = colList;
 
   // TODO remove it
   int32_t tableType = 0;
@@ -8531,7 +8602,8 @@ SOperatorInfo* doCreateOperatorTreeNode(SPhysiNode* pPhyNode, SExecTaskInfo* pTa
       SArray* colList = extractScanColumnId(pScanNode->pScanCols);
 
       SOperatorInfo* pOperator = createSysTableScanOperatorInfo(pHandle->meta, pResBlock, &pScanNode->tableName,
-                                                                pScanNode->node.pConditions, pSysScanPhyNode->mgmtEpSet, colList, pTaskInfo);
+                                                                pScanNode->node.pConditions, pSysScanPhyNode->mgmtEpSet, 
+                                                                colList, pTaskInfo, pSysScanPhyNode->showRewrite, pSysScanPhyNode->accountId);
       return pOperator;
     } else {
       ASSERT(0);

source/libs/nodes/src/nodesCloneFuncs.c

@@ -237,6 +237,7 @@ static SNode* logicScanCopy(const SScanLogicNode* pSrc, SScanLogicNode* pDst) {
   COPY_SCALAR_FIELD(scanFlag);
   COPY_SCALAR_FIELD(scanRange);
   COPY_SCALAR_FIELD(tableName);
+  COPY_SCALAR_FIELD(showRewrite);
   return (SNode*)pDst;
 }
 

source/libs/nodes/src/nodesCodeFuncs.c

@@ -764,6 +764,8 @@ static int32_t jsonToEpSet(const SJson* pJson, void* pObj) {
 }
 
 static const char* jkSysTableScanPhysiPlanMnodeEpSet = "MnodeEpSet";
+static const char* jkSysTableScanPhysiPlanShowRewrite = "ShowRewrite";
+static const char* jkSysTableScanPhysiPlanAccountId = "AccountId";
 
 static int32_t physiSysTableScanNodeToJson(const void* pObj, SJson* pJson) {
   const SSystemTableScanPhysiNode* pNode = (const SSystemTableScanPhysiNode*)pObj;
@@ -772,6 +774,12 @@ static int32_t physiSysTableScanNodeToJson(const void* pObj, SJson* pJson) {
   if (TSDB_CODE_SUCCESS == code) {
     code = tjsonAddObject(pJson, jkSysTableScanPhysiPlanMnodeEpSet, epSetToJson, &pNode->mgmtEpSet);
   }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tjsonAddBoolToObject(pJson, jkSysTableScanPhysiPlanShowRewrite, pNode->showRewrite);
+  }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tjsonAddIntegerToObject(pJson, jkSysTableScanPhysiPlanAccountId, pNode->accountId);
+  }
 
   return code;
 }
@@ -783,6 +791,12 @@ static int32_t jsonToPhysiSysTableScanNode(const SJson* pJson, void* pObj) {
   if (TSDB_CODE_SUCCESS == code) {
     code = tjsonToObject(pJson, jkSysTableScanPhysiPlanMnodeEpSet, jsonToEpSet, &pNode->mgmtEpSet);
   }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tjsonGetBoolValue(pJson, jkSysTableScanPhysiPlanShowRewrite, &pNode->showRewrite);
+  }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tjsonGetNumberValue(pJson, jkSysTableScanPhysiPlanAccountId, pNode->accountId);
+  }
 
   return code;
 }

source/libs/parser/src/parTranslater.c

@@ -1962,6 +1962,7 @@ static int32_t rewriteShow(STranslateContext* pCxt, SQuery* pQuery) {
     code = createShowCondition((SShowStmt*)pQuery->pRoot, pStmt);
   }
   if (TSDB_CODE_SUCCESS == code) {
+    pQuery->showRewrite = true;
     nodesDestroyNode(pQuery->pRoot);
     pQuery->pRoot = (SNode*)pStmt;
   }

source/libs/planner/src/planLogicCreater.c

@@ -161,6 +161,7 @@ static int32_t createScanLogicNode(SLogicPlanContext* pCxt, SSelectStmt* pSelect
   pScan->tableName.acctId = pCxt->pPlanCxt->acctId;
   strcpy(pScan->tableName.dbname, pRealTable->table.dbName);
   strcpy(pScan->tableName.tname, pRealTable->table.tableName);
+  pScan->showRewrite = pCxt->pPlanCxt->showRewrite;
 
   // set columns to scan
   SNodeList* pCols = NULL;

source/libs/planner/src/planPhysiCreater.c

@@ -331,18 +331,14 @@ static int32_t createSystemTableScanPhysiNode(SPhysiPlanContext* pCxt, SSubplan*
     return TSDB_CODE_OUT_OF_MEMORY;
   }
 
+  pScan->showRewrite = pScanLogicNode->showRewrite;
+  pScan->accountId = pCxt->pPlanCxt->acctId;
   if (0 == strcmp(pScanLogicNode->tableName.tname, TSDB_INS_TABLE_USER_TABLES)) {
     vgroupInfoToNodeAddr(pScanLogicNode->pVgroupList->vgroups, &pSubplan->execNode);
     taosArrayPush(pCxt->pExecNodeList, &pSubplan->execNode);
   } else {
     SQueryNodeAddr addr = { .nodeId = MND_VGID, .epSet = pCxt->pPlanCxt->mgmtEpSet };
     taosArrayPush(pCxt->pExecNodeList, &addr);
-    
-    //for (int32_t i = 0; i < pScanLogicNode->pVgroupList->numOfVgroups; ++i) {
-    //  SQueryNodeAddr addr;
-    //  vgroupInfoToNodeAddr(pScanLogicNode->pVgroupList->vgroups + i, &addr);
-    //  taosArrayPush(pCxt->pExecNodeList, &addr);
-    //}
   }
   pScan->mgmtEpSet = pCxt->pPlanCxt->mgmtEpSet;
   tNameGetFullDbName(&pScanLogicNode->tableName, pSubplan->dbFName);

source/libs/qworker/src/qworker.c

@@ -917,7 +917,7 @@ _return:
     qwReleaseTaskCtx(mgmt, ctx);
   }
 
-  if (TSDB_CODE_SUCCESS == code && readyConnection) {
+  if (readyConnection) {
     qwBuildAndSendReadyRsp(readyConnection, code);    
     QW_TASK_DLOG("ready msg rsped, handle:%p, code:%x - %s", readyConnection->handle, code, tstrerror(code));
   }

source/libs/scheduler/src/scheduler.c

@@ -74,15 +74,15 @@ void schFreeRpcCtx(SRpcCtx *pCtx) {
   while (pIter) {
     SRpcCtxVal *ctxVal = (SRpcCtxVal *)pIter;
 
-    (*ctxVal->free)(ctxVal->val);
+    (*ctxVal->freeFunc)(ctxVal->val);
     
     pIter = taosHashIterate(pCtx->args, pIter);
   }
   
   taosHashCleanup(pCtx->args);
 
-  if (pCtx->brokenVal.free) {
-    (*pCtx->brokenVal.free)(pCtx->brokenVal.val);
+  if (pCtx->brokenVal.freeFunc) {
+    (*pCtx->brokenVal.freeFunc)(pCtx->brokenVal.val);
   }
 }
 
@@ -1254,18 +1254,18 @@ int32_t schGetCallbackFp(int32_t msgType, __async_send_cb_fn_t *fp) {
   return TSDB_CODE_SUCCESS;
 }
 
-void schFreeRpcCtxVal(void *arg) {
+void schFreeRpcCtxVal(const void *arg) {
   if (NULL == arg) {
     return;
   }
   
-  SMsgSendInfo* pMsgSendInfo = arg;
-  tfree(pMsgSendInfo->param);
-  tfree(pMsgSendInfo);
+  SMsgSendInfo* pMsgSendInfo = (SMsgSendInfo *)arg;
+  taosMemoryFreeClear(pMsgSendInfo->param);
+  taosMemoryFreeClear(pMsgSendInfo);
 }
 
 int32_t schMakeTaskCallbackParam(SSchJob *pJob, SSchTask *pTask, void **pParam) {
-  SSchTaskCallbackParam *param = calloc(1, sizeof(SSchTaskCallbackParam));
+  SSchTaskCallbackParam *param = taosMemoryCalloc(1, sizeof(SSchTaskCallbackParam));
   if (NULL == param) {
     SCH_TASK_ELOG("calloc %d failed", (int32_t)sizeof(SSchTaskCallbackParam));
     SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY);
@@ -1282,7 +1282,7 @@ int32_t schMakeTaskCallbackParam(SSchJob *pJob, SSchTask *pTask, void **pParam)
 }
 
 int32_t schMakeHbCallbackParam(SSchJob *pJob, SSchTask *pTask, void **pParam) {
-  SSchHbCallbackParam *param = calloc(1, sizeof(SSchHbCallbackParam));
+  SSchHbCallbackParam *param = taosMemoryCalloc(1, sizeof(SSchHbCallbackParam));
   if (NULL == param) {
     SCH_TASK_ELOG("calloc %d failed", (int32_t)sizeof(SSchHbCallbackParam));
     SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY);
@@ -1306,7 +1306,7 @@ int32_t schMakeBrokenLinkVal(SSchJob *pJob, SSchTask *pTask, SRpcBrokenlinkVal *
   int32_t code = 0;
   SMsgSendInfo* pMsgSendInfo = NULL;
   
-  pMsgSendInfo = calloc(1, sizeof(SMsgSendInfo));
+  pMsgSendInfo = taosMemoryCalloc(1, sizeof(SMsgSendInfo));
   if (NULL == pMsgSendInfo) {
     SCH_TASK_ELOG("calloc %d failed", (int32_t)sizeof(SMsgSendInfo));
     SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY);
@@ -1327,14 +1327,14 @@ int32_t schMakeBrokenLinkVal(SSchJob *pJob, SSchTask *pTask, SRpcBrokenlinkVal *
   brokenVal->msgType = msgType;
   brokenVal->val = pMsgSendInfo;
   brokenVal->clone = schCloneSMsgSendInfo;
-  brokenVal->free = schFreeRpcCtxVal;
+  brokenVal->freeFunc = schFreeRpcCtxVal;
   
   return TSDB_CODE_SUCCESS;
 
 _return:
 
-  tfree(pMsgSendInfo->param);
-  tfree(pMsgSendInfo);
+  taosMemoryFreeClear(pMsgSendInfo->param);
+  taosMemoryFreeClear(pMsgSendInfo);
 
   SCH_RET(code);
 }
@@ -1350,13 +1350,13 @@ int32_t schMakeQueryRpcCtx(SSchJob *pJob, SSchTask *pTask, SRpcCtx *pCtx) {
     SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY);
   }
   
-  pMsgSendInfo = calloc(1, sizeof(SMsgSendInfo));
+  pMsgSendInfo = taosMemoryCalloc(1, sizeof(SMsgSendInfo));
   if (NULL == pMsgSendInfo) {
     SCH_TASK_ELOG("calloc %d failed", (int32_t)sizeof(SMsgSendInfo));
     SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY);
   }
 
-  param = calloc(1, sizeof(SSchTaskCallbackParam));
+  param = taosMemoryCalloc(1, sizeof(SSchTaskCallbackParam));
   if (NULL == param) {
     SCH_TASK_ELOG("calloc %d failed", (int32_t)sizeof(SSchTaskCallbackParam));
     SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY);
@@ -1374,7 +1374,7 @@ int32_t schMakeQueryRpcCtx(SSchJob *pJob, SSchTask *pTask, SRpcCtx *pCtx) {
   pMsgSendInfo->param = param;
   pMsgSendInfo->fp = fp;
 
-  SRpcCtxVal ctxVal = {.val = pMsgSendInfo, .clone = schCloneSMsgSendInfo, .free = schFreeRpcCtxVal};
+  SRpcCtxVal ctxVal = {.val = pMsgSendInfo, .clone = schCloneSMsgSendInfo, .freeFunc = schFreeRpcCtxVal};
   if (taosHashPut(pCtx->args, &msgType, sizeof(msgType), &ctxVal, sizeof(ctxVal))) {
     SCH_TASK_ELOG("taosHashPut msg %d to rpcCtx failed", msgType);
     SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY);
@@ -1387,8 +1387,8 @@ int32_t schMakeQueryRpcCtx(SSchJob *pJob, SSchTask *pTask, SRpcCtx *pCtx) {
 _return:
 
   taosHashCleanup(pCtx->args);
-  tfree(param);
-  tfree(pMsgSendInfo);
+  taosMemoryFreeClear(param);
+  taosMemoryFreeClear(pMsgSendInfo);
 
   SCH_RET(code);
 }
@@ -1409,13 +1409,13 @@ int32_t schMakeHbRpcCtx(SSchJob *pJob, SSchTask *pTask, SRpcCtx *pCtx) {
     SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY);
   }
   
-  pMsgSendInfo = calloc(1, sizeof(SMsgSendInfo));
+  pMsgSendInfo = taosMemoryCalloc(1, sizeof(SMsgSendInfo));
   if (NULL == pMsgSendInfo) {
     SCH_TASK_ELOG("calloc %d failed", (int32_t)sizeof(SMsgSendInfo));
     SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY);
   }
 
-  param = calloc(1, sizeof(SSchHbCallbackParam));
+  param = taosMemoryCalloc(1, sizeof(SSchHbCallbackParam));
   if (NULL == param) {
     SCH_TASK_ELOG("calloc %d failed", (int32_t)sizeof(SSchHbCallbackParam));
     SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY);
@@ -1431,7 +1431,7 @@ int32_t schMakeHbRpcCtx(SSchJob *pJob, SSchTask *pTask, SRpcCtx *pCtx) {
   pMsgSendInfo->param = param;
   pMsgSendInfo->fp = fp;
 
-  SRpcCtxVal ctxVal = {.val = pMsgSendInfo, .clone = schCloneSMsgSendInfo, .free = schFreeRpcCtxVal};
+  SRpcCtxVal ctxVal = {.val = pMsgSendInfo, .clone = schCloneSMsgSendInfo, .freeFunc = schFreeRpcCtxVal};
   if (taosHashPut(pCtx->args, &msgType, sizeof(msgType), &ctxVal, sizeof(ctxVal))) {
     SCH_TASK_ELOG("taosHashPut msg %d to rpcCtx failed", msgType);
     SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY);
@@ -1444,8 +1444,8 @@ int32_t schMakeHbRpcCtx(SSchJob *pJob, SSchTask *pTask, SRpcCtx *pCtx) {
 _return:
 
   taosHashCleanup(pCtx->args);
-  tfree(param);
-  tfree(pMsgSendInfo);
+  taosMemoryFreeClear(param);
+  taosMemoryFreeClear(pMsgSendInfo);
 
   SCH_RET(code);
 }
@@ -1479,7 +1479,7 @@ int32_t schRegisterHbConnection(SSchJob *pJob, SSchTask *pTask, SQueryNodeEpId *
 
 int32_t schCloneCallbackParam(SSchCallbackParamHeader *pSrc, SSchCallbackParamHeader **pDst) {
   if (pSrc->isHbParam) {
-    SSchHbCallbackParam *dst = malloc(sizeof(SSchHbCallbackParam));
+    SSchHbCallbackParam *dst = taosMemoryMalloc(sizeof(SSchHbCallbackParam));
     if (NULL == dst) {
       qError("malloc SSchHbCallbackParam failed");
       SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY);
@@ -1491,7 +1491,7 @@ int32_t schCloneCallbackParam(SSchCallbackParamHeader *pSrc, SSchCallbackParamHe
     return TSDB_CODE_SUCCESS;
   }
 
-  SSchTaskCallbackParam *dst = malloc(sizeof(SSchTaskCallbackParam));
+  SSchTaskCallbackParam *dst = taosMemoryMalloc(sizeof(SSchTaskCallbackParam));
   if (NULL == dst) {
     qError("malloc SSchTaskCallbackParam failed");
     SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY);
@@ -1506,7 +1506,7 @@ int32_t schCloneCallbackParam(SSchCallbackParamHeader *pSrc, SSchCallbackParamHe
 int32_t schCloneSMsgSendInfo(void *src, void **dst) {
   SMsgSendInfo *pSrc = src;
   int32_t code = 0;
-  SMsgSendInfo *pDst = malloc(sizeof(*pSrc));
+  SMsgSendInfo *pDst = taosMemoryMalloc(sizeof(*pSrc));
   if (NULL == pDst) {
     qError("malloc SMsgSendInfo for rpcCtx failed, len:%d", (int32_t)sizeof(*pSrc));
     SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY);
@@ -1523,7 +1523,7 @@ int32_t schCloneSMsgSendInfo(void *src, void **dst) {
   
 _return:
 
-  tfree(pDst);
+  taosMemoryFreeClear(pDst);
   SCH_RET(code);
 }
 
@@ -1553,7 +1553,7 @@ int32_t schCloneHbRpcCtx(SRpcCtx *pSrc, SRpcCtx *pDst) {
     
     if (taosHashPut(pDst->args, msgType, sizeof(*msgType), &dst, sizeof(dst))) {
       qError("taosHashPut msg %d to rpcCtx failed", *msgType);
-      (*dst.free)(dst.val);
+      (*dst.freeFunc)(dst.val);
       SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY);
     }
 
@@ -1601,8 +1601,9 @@ int32_t schAsyncSendMsg(SSchJob *pJob, SSchTask *pTask, void *transport, SEpSet*
   pMsgSendInfo->msgType = msgType;
   pMsgSendInfo->fp = fp;
 
-  qDebug("start to send %s msg, refId:%" PRIx64 "instance:%p, handle:%p", 
-    TMSG_INFO(msgType), pJob->refId, trans->transInst, trans->transHandle);
+  qDebug("start to send %s msg to node[%d,%s,%d], refId:%" PRIx64 "instance:%p, handle:%p", 
+         TMSG_INFO(msgType), ntohl(((SMsgHead *)msg)->vgId), epSet->eps[epSet->inUse].fqdn, epSet->eps[epSet->inUse].port, 
+         pJob->refId, trans->transInst, trans->transHandle);
   
   int64_t  transporterId = 0;
   code = asyncSendMsgToServerExt(trans->transInst, epSet, &transporterId, pMsgSendInfo, persistHandle, ctx);
@@ -1649,7 +1650,7 @@ int32_t schBuildAndSendHbMsg(SQueryNodeEpId *nodeEpId) {
     qError("tSerializeSSchedulerHbReq hbReq failed, size:%d", msgSize);
     SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY);
   }
-  void *msg = calloc(1, msgSize);
+  void *msg = taosMemoryCalloc(1, msgSize);
   if (NULL == msg) {
     qError("calloc hb req %d failed", msgSize);
     SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY);
@@ -1660,13 +1661,13 @@ int32_t schBuildAndSendHbMsg(SQueryNodeEpId *nodeEpId) {
     SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY);
   }
 
-  SMsgSendInfo *pMsgSendInfo = calloc(1, sizeof(SMsgSendInfo));
+  SMsgSendInfo *pMsgSendInfo = taosMemoryCalloc(1, sizeof(SMsgSendInfo));
   if (NULL == pMsgSendInfo) {
     qError("calloc SMsgSendInfo failed");
     SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY);
   }
 
-  SSchTaskCallbackParam *param = calloc(1, sizeof(SSchTaskCallbackParam));
+  SSchTaskCallbackParam *param = taosMemoryCalloc(1, sizeof(SSchTaskCallbackParam));
   if (NULL == param) {
     qError("calloc SSchTaskCallbackParam failed");
     SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY);
@@ -1702,9 +1703,9 @@ int32_t schBuildAndSendHbMsg(SQueryNodeEpId *nodeEpId) {
 
 _return:
 
-  tfree(msg);
-  tfree(param);
-  tfree(pMsgSendInfo);
+  taosMemoryFreeClear(msg);
+  taosMemoryFreeClear(param);
+  taosMemoryFreeClear(pMsgSendInfo);
   schFreeRpcCtx(&rpcCtx);
   SCH_RET(code);
 }

source/libs/scheduler/test/schedulerTests.cpp

@@ -805,7 +805,7 @@ TEST(queryTest, readyFirstCase) {
   SRetrieveTableRsp *pRsp = (SRetrieveTableRsp *)data;
   ASSERT_EQ(pRsp->completed, 1);
   ASSERT_EQ(pRsp->numOfRows, 10);
-  tfree(data);
+  taosMemoryFreeClear(data);
 
   data = NULL;
   code = schedulerFetchRows(job, &data);

tests/script/tsim/db/basic1.sim

@@ -39,11 +39,10 @@ endi
 
 print =============== drop database
 sql drop database d1
-# todo release
-#sql show databases
-#if $rows != 1 then 
-#  return -1
-#endi
+sql show databases
+if $rows != 1 then 
+  return -1
+endi
 
 print =============== more databases
 sql create database d2 vgroups 2

tests/script/tsim/db/basic6.sim

@@ -58,11 +58,10 @@ endi
 
 print =============== step3
 sql drop database $db
-# todo release
-#sql show databases
-#if $rows != 1 then 
-#  return -1
-#endi 
+sql show databases
+if $rows != 1 then 
+  return -1
+endi 
 
 print =============== step4
 sql_error drop database $db
@@ -319,4 +318,4 @@ if $rows != 0 then
   return -1
 endi
 
-system sh/exec.sh -n dnode1 -s stop -x SIGINT
\ No newline at end of file
+system sh/exec.sh -n dnode1 -s stop -x SIGINT

tests/script/tsim/db/error1.sim

@@ -61,6 +61,7 @@ endi
 print ========== stop dnode2
 system sh/exec.sh -n dnode2 -s stop -x SIGKILL
 
+sleep 1000
 print =============== create database
 sql_error drop database d1
 

tests/script/tsim/dnode/basic1.sim

@@ -5,9 +5,6 @@ system sh/exec.sh -n dnode1 -s start
 system sh/exec.sh -n dnode2 -s start
 sql connect
 
-# todo remove
-sql create database useless_db
-
 print =============== show dnodes
 sql show dnodes;
 if $rows != 1 then 
@@ -83,9 +80,6 @@ if $data02 != master then
   return -1
 endi
 
-# todo remove
-sql drop database useless_db
-
 print =============== create database
 sql create database d1 vgroups 4;
 sql create database d2;
@@ -202,4 +196,4 @@ if $data00 != 1 then
 endi
 
 system sh/exec.sh -n dnode1 -s stop -x SIGINT
-system sh/exec.sh -n dnode2 -s stop -x SIGINT
\ No newline at end of file
+system sh/exec.sh -n dnode2 -s stop -x SIGINT

tests/script/tsim/tmq/basic.sim

@@ -6,9 +6,6 @@ system sh/exec.sh -n dnode1 -s start
 sleep 500
 sql connect
 
-# todo remove
-sql create database useless_db
-
 $loop_cnt = 0
 check_dnode_ready:
 	$loop_cnt = $loop_cnt + 1
@@ -26,9 +23,6 @@ if $data04 != ready then
   goto check_dnode_ready
 endi
 
-# todo remove
-sql drop database useless_db
-
 #root@trd02 /data2/dnode $ tmq_demo --help                                                                          
 #Used to tmq_demo                                                                   
 #        -c      Configuration directory, default is                                                                

tests/script/tsim/user/basic1.sim

@@ -3,9 +3,6 @@ system sh/deploy.sh -n dnode1 -i 1
 system sh/exec.sh -n dnode1 -s start
 sql connect
 
-# todo remove
-sql create database useless_db
-
 print =============== show users
 sql show users
 if $rows != 1 then 
@@ -74,7 +71,4 @@ print $data10 $data11 $data22
 print $data20 $data11 $data22
 print $data30 $data31 $data32
 
-# todo remove
-sql drop database useless_db
-
-system sh/exec.sh -n dnode1 -s stop -x SIGINT
\ No newline at end of file
+system sh/exec.sh -n dnode1 -s stop -x SIGINT