[td-11818] add data into sink node

include/libs/executor/executor.h

@@ -21,6 +21,9 @@ extern "C" {
 #endif
 
 typedef void* qTaskInfo_t;
+typedef void* DataSinkHandle;
+struct SSubplan;
+
 
  /**
   * Create the exec task object according to task json
@@ -34,13 +37,14 @@ typedef void* qTaskInfo_t;
 int32_t qCreateExecTask(void* tsdb, int32_t vgId, struct SSubplan* pPlan, qTaskInfo_t* pTaskInfo);
 
 /**
- * the main task execution function, including query on both table and multiple tables,
+ * The main task execution function, including query on both table and multiple tables,
  * which are decided according to the tag or table name query conditions
  *
- * @param qinfo
+ * @param tinfo
+ * @param handle
  * @return
  */
-bool qExecTask(qTaskInfo_t qTask, SSDataBlock** pRes);
+int32_t qExecTask(qTaskInfo_t tinfo, DataSinkHandle* handle);
 
 /**
  * Retrieve the produced results information, if current query is not paused or completed,
@@ -62,7 +66,7 @@ int32_t qRetrieveQueryResultInfo(qTaskInfo_t qinfo, bool* buildRes, void* pRspCo
  * @param contLen payload length
  * @return
  */
-int32_t qDumpRetrieveResult(qTaskInfo_t qinfo, SRetrieveTableRsp** pRsp, int32_t* contLen, bool* continueExec);
+//int32_t qDumpRetrieveResult(qTaskInfo_t qinfo, SRetrieveTableRsp** pRsp, int32_t* contLen, bool* continueExec);
 
 /**
  * return the transporter context (RPC)

source/libs/executor/inc/dataSinkMgt.h

@@ -21,6 +21,7 @@ extern "C" {
 #endif
 
 #include "os.h"
+#include "executor.h"
 #include "executorimpl.h"
 
 #define DS_CAPACITY_ENOUGH 1
@@ -39,8 +40,6 @@ typedef struct SDataSinkMgtCfg {
 
 int32_t dsDataSinkMgtInit(SDataSinkMgtCfg *cfg);
 
-typedef void* DataSinkHandle;
-
 typedef struct SInputData {
   const SSDataBlock* pData;
   SHashObj* pTableRetrieveTsMap;
@@ -68,6 +67,10 @@ int32_t dsCreateDataSinker(const struct SDataSink *pDataSink, DataSinkHandle* pH
  */
 int32_t dsPutDataBlock(DataSinkHandle handle, const SInputData* pInput, int32_t* pStatus);
 
+/**
+ *
+ * @param handle
+ */
 void dsEndPut(DataSinkHandle handle);
 
 /**

source/libs/executor/inc/executorInt.h

@@ -20,6 +20,7 @@
 extern "C" {
 #endif
 
+
 #ifdef __cplusplus
 }
 #endif

source/libs/executor/inc/executorimpl.h

@@ -20,14 +20,16 @@
 #include "ttszip.h"
 #include "tvariant.h"
 
-#include "thash.h"
+#include "dataSinkMgt.h"
 #include "executil.h"
+#include "planner.h"
 #include "taosdef.h"
 #include "tarray.h"
 #include "tfilter.h"
+#include "thash.h"
 #include "tlockfree.h"
 #include "tpagedfile.h"
-#include "planner.h"
+#include "executor.h"
 
 struct SColumnFilterElem;
 
@@ -256,6 +258,7 @@ typedef struct SExecTaskInfo {
 //  void*            rspContext;  // response context
   char           *sql;         // query sql string
   jmp_buf         env;         //
+  DataSinkHandle  dsHandle;
   struct SOperatorInfo  *pRoot;
 } SExecTaskInfo;
 

source/libs/executor/src/dataSinkMgt.c

@@ -13,6 +13,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "tarray.h"
 #include "dataSinkMgt.h"
 #include "dataSinkInt.h"
 #include "planner.h"

source/libs/executor/src/executorMain.c

@@ -13,9 +13,10 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <dataSinkMgt.h>
-#include "exception.h"
 #include "os.h"
+#include "tarray.h"
+#include "dataSinkMgt.h"
+#include "exception.h"
 #include "tcache.h"
 #include "tglobal.h"
 #include "tmsg.h"
@@ -69,8 +70,9 @@ void freeParam(STaskParam *param) {
 
 int32_t qCreateExecTask(void* tsdb, int32_t vgId, SSubplan* pSubplan, qTaskInfo_t* pTaskInfo) {
   assert(tsdb != NULL && pSubplan != NULL);
+  SExecTaskInfo** pTask = (SExecTaskInfo**)pTaskInfo;
 
-  int32_t code = doCreateExecTaskInfo(pSubplan, (SExecTaskInfo**) pTaskInfo, tsdb);
+  int32_t code = doCreateExecTaskInfo(pSubplan, pTask, tsdb);
   if (code != TSDB_CODE_SUCCESS) {
     goto _error;
   }
@@ -81,8 +83,7 @@ int32_t qCreateExecTask(void* tsdb, int32_t vgId, SSubplan* pSubplan, qTaskInfo_
     goto _error;
   }
 
-  DataSinkHandle pHandle = NULL;
-  code = dsCreateDataSinker(pSubplan->pDataSink, &pHandle);
+  code = dsCreateDataSinker(pSubplan->pDataSink, (*pTask)->dsHandle);
 
   _error:
   // if failed to add ref for all tables in this query, abort current query
@@ -134,64 +135,79 @@ int waitMoment(SQInfo* pQInfo){
 }
 #endif
 
-bool qExecTask(qTaskInfo_t tinfo, SSDataBlock** pRes) {
-  SExecTaskInfo *pTaskInfo = (SExecTaskInfo *) tinfo;
+int32_t qExecTask(qTaskInfo_t tinfo, DataSinkHandle* handle) {
+  SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
   int64_t        threadId = taosGetSelfPthreadId();
 
   int64_t curOwner = 0;
   if ((curOwner = atomic_val_compare_exchange_64(&pTaskInfo->owner, 0, threadId)) != 0) {
-    qError("QInfo:0x%"PRIx64"-%p qhandle is now executed by thread:%p", GET_TASKID(pTaskInfo), pTaskInfo, (void*) curOwner);
+    qError("QInfo:0x%" PRIx64 "-%p qhandle is now executed by thread:%p", GET_TASKID(pTaskInfo), pTaskInfo,
+           (void*)curOwner);
     pTaskInfo->code = TSDB_CODE_QRY_IN_EXEC;
-    return false;
+    return pTaskInfo->code;
   }
 
-  if(pTaskInfo->cost.start == 0) {
+  if (pTaskInfo->cost.start == 0) {
     pTaskInfo->cost.start = taosGetTimestampMs();
   }
 
   if (isTaskKilled(pTaskInfo)) {
-    qDebug("QInfo:0x%"PRIx64" it is already killed, abort", GET_TASKID(pTaskInfo));
-//    return doBuildResCheck(pTaskInfo);
+    qDebug("QInfo:0x%" PRIx64 " it is already killed, abort", GET_TASKID(pTaskInfo));
+    return pTaskInfo->code;
   }
 
-//  STaskRuntimeEnv* pRuntimeEnv = &pTaskInfo->runtimeEnv;
-//  if (pTaskInfo->tableqinfoGroupInfo.numOfTables == 0) {
-//    qDebug("QInfo:0x%"PRIx64" no table exists for query, abort", GET_TASKID(pTaskInfo));
-//    setTaskStatus(pTaskInfo, TASK_COMPLETED);
-//    return doBuildResCheck(pTaskInfo);
-//  }
+  //  STaskRuntimeEnv* pRuntimeEnv = &pTaskInfo->runtimeEnv;
+  //  if (pTaskInfo->tableqinfoGroupInfo.numOfTables == 0) {
+  //    qDebug("QInfo:0x%"PRIx64" no table exists for query, abort", GET_TASKID(pTaskInfo));
+  //    setTaskStatus(pTaskInfo, TASK_COMPLETED);
+  //    return doBuildResCheck(pTaskInfo);
+  //  }
 
   // error occurs, record the error code and return to client
   int32_t ret = setjmp(pTaskInfo->env);
   if (ret != TSDB_CODE_SUCCESS) {
     publishQueryAbortEvent(pTaskInfo, ret);
     pTaskInfo->code = ret;
-    qDebug("QInfo:0x%"PRIx64" query abort due to error/cancel occurs, code:%s", GET_TASKID(pTaskInfo), tstrerror(pTaskInfo->code));
-//    return doBuildResCheck(pTaskInfo);
+    qDebug("QInfo:0x%" PRIx64 " query abort due to error/cancel occurs, code:%s", GET_TASKID(pTaskInfo), tstrerror(pTaskInfo->code));
+    return pTaskInfo->code;
   }
 
-  qDebug("QInfo:0x%"PRIx64" query task is launched", GET_TASKID(pTaskInfo));
+  qDebug("QInfo:0x%" PRIx64 " query task is launched", GET_TASKID(pTaskInfo));
 
   bool newgroup = false;
   publishOperatorProfEvent(pTaskInfo->pRoot, QUERY_PROF_BEFORE_OPERATOR_EXEC);
+  int64_t st = 0;
+
+  handle = &pTaskInfo->dsHandle;
 
-  int64_t st = taosGetTimestampUs();
-  *pRes = pTaskInfo->pRoot->exec(pTaskInfo->pRoot, &newgroup);
-  // todo put the result into sink node.
+  while(1) {
+    st = taosGetTimestampUs();
+    SSDataBlock* pRes = pTaskInfo->pRoot->exec(pTaskInfo->pRoot, &newgroup);
 
     pTaskInfo->cost.elapsedTime += (taosGetTimestampUs() - st);
     publishOperatorProfEvent(pTaskInfo->pRoot, QUERY_PROF_AFTER_OPERATOR_EXEC);
 
+    if (pRes == NULL) { // no results generated yet, abort
+      return pTaskInfo->code;
+    }
+
+    int32_t    status = 0;
+    SInputData inputData = {.pData = pRes, .pTableRetrieveTsMap = NULL};
+    pTaskInfo->code = dsPutDataBlock(pTaskInfo->dsHandle, &inputData, &status);
+
     if (isTaskKilled(pTaskInfo)) {
-    qDebug("QInfo:0x%"PRIx64" query is killed", GET_TASKID(pTaskInfo));
-//  } else if (GET_NUM_OF_RESULTS(pRuntimeEnv) == 0) {
-//    qDebug("QInfo:0x%"PRIx64" over, %u tables queried, total %"PRId64" rows returned", pTaskInfo->qId, pRuntimeEnv->tableqinfoGroupInfo.numOfTables,
-//           pRuntimeEnv->resultInfo.total);
-  } else {
-//    qDebug("QInfo:0x%"PRIx64" query paused, %d rows returned, total:%" PRId64 " rows", pTaskInfo->qId,
-//        GET_NUM_OF_RESULTS(pRuntimeEnv), pRuntimeEnv->resultInfo.total);
+      qDebug("QInfo:0x%" PRIx64 " task is killed", GET_TASKID(pTaskInfo));
+      //  } else if (GET_NUM_OF_RESULTS(pRuntimeEnv) == 0) {
+      //    qDebug("QInfo:0x%"PRIx64" over, %u tables queried, total %"PRId64" rows returned", pTaskInfo->qId, pRuntimeEnv->tableqinfoGroupInfo.numOfTables,
+      //           pRuntimeEnv->resultInfo.total);
+    }
+
+    if (status == DS_CAPACITY_FULL) {
+          qDebug("QInfo:0x%"PRIx64" query paused, %d rows returned, total:%" PRId64 " rows, in sinkNode:%d", GET_TASKID(pTaskInfo),
+              0, 0L, 0);
+      return pTaskInfo->code;
+    }
   }
-//  return doBuildResCheck(pTaskInfo);
 }
 
 int32_t qRetrieveQueryResultInfo(qTaskInfo_t qinfo, bool* buildRes, void* pRspContext) {

source/libs/executor/src/executorimpl.c

@@ -7181,6 +7181,7 @@ static SExecTaskInfo* createExecTaskInfo(uint64_t queryId) {
 
   pthread_mutex_init(&pTaskInfo->lock, NULL);
   pTaskInfo->cost.created = taosGetTimestampMs();
+  pTaskInfo->id.queryId = queryId;
   return pTaskInfo;
 }
 

source/libs/qworker/src/qworker.c

@@ -1039,8 +1039,8 @@ int32_t qWorkerProcessQueryMsg(void *node, void *qWorkerMgmt, SRpcMsg *pMsg) {
 
   queryRsped = true;
 
-  SSDataBlock* pRes = NULL;
-  code = qExecTask(pTaskInfo, &pRes);
+  DataSinkHandle handle = NULL;
+  code = qExecTask(pTaskInfo, &handle);
 
   queryDone = false;
   //TODO call executer to execute subquery
@@ -1048,7 +1048,7 @@ int32_t qWorkerProcessQueryMsg(void *node, void *qWorkerMgmt, SRpcMsg *pMsg) {
   if (code) {
     QW_ERR_JRET(code);
   } else {
-    QW_ERR_JRET(qwAddTaskResCache(qWorkerMgmt, msg->queryId, msg->taskId, pRes));
+//    QW_ERR_JRET(qwAddTaskResCache(qWorkerMgmt, msg->queryId, msg->taskId, pRes));
     QW_ERR_JRET(qwUpdateTaskStatus(qWorkerMgmt, msg->sId, msg->queryId, msg->taskId, JOB_TASK_STATUS_PARTIAL_SUCCEED));
   } 
 

src/inc/tsdb.h

@@ -274,7 +274,7 @@ TsdbQueryHandleT tsdbQueryLastRow(STsdbRepo *tsdb, STsdbQueryCond *pCond, STable
 
 TsdbQueryHandleT tsdbQueryCacheLast(STsdbRepo *tsdb, STsdbQueryCond *pCond, STableGroupInfo *groupList, uint64_t qId, SMemRef* pMemRef);
 
-bool isTsdbCacheLastRow(TsdbQueryHandleT* pQueryHandle);
+bool isTsdbCacheLastRow(TsdbQueryHandleT* pTsdbReadHandle);
 
 
 /**
@@ -308,19 +308,19 @@ int64_t tsdbGetNumOfRowsInMemTable(TsdbQueryHandleT* pHandle);
 /**
  * move to next block if exists 
  *
- * @param pQueryHandle
+ * @param pTsdbReadHandle
  * @return
  */
-bool tsdbNextDataBlock(TsdbQueryHandleT pQueryHandle);
+bool tsdbNextDataBlock(TsdbQueryHandleT pTsdbReadHandle);
 
 /**
  * Get current data block information
  *
- * @param pQueryHandle
+ * @param pTsdbReadHandle
  * @param pBlockInfo
  * @return
  */
-void tsdbRetrieveDataBlockInfo(TsdbQueryHandleT *pQueryHandle, SDataBlockInfo *pBlockInfo);
+void tsdbRetrieveDataBlockInfo(TsdbQueryHandleT *pTsdbReadHandle, SDataBlockInfo *pBlockInfo);
 
 /**
  *
@@ -332,7 +332,7 @@ void tsdbRetrieveDataBlockInfo(TsdbQueryHandleT *pQueryHandle, SDataBlockInfo *p
  * @pBlockStatis the pre-calculated value for current data blocks. if the block is a cache block, always return 0
  * @return
  */
-int32_t tsdbRetrieveDataBlockStatisInfo(TsdbQueryHandleT *pQueryHandle, SDataStatis **pBlockStatis);
+int32_t tsdbRetrieveDataBlockStatisInfo(TsdbQueryHandleT *pTsdbReadHandle, SDataStatis **pBlockStatis);
 
 /**
  *
@@ -340,11 +340,11 @@ int32_t tsdbRetrieveDataBlockStatisInfo(TsdbQueryHandleT *pQueryHandle, SDataSta
  * the returned data block must be satisfied with the time window condition in any cases,
  * which means the SData data block is not actually the completed disk data blocks.
  *
- * @param pQueryHandle      query handle
+ * @param pTsdbReadHandle      query handle
  * @param pColumnIdList     required data columns id list
  * @return
  */
-SArray *tsdbRetrieveDataBlock(TsdbQueryHandleT *pQueryHandle, SArray *pColumnIdList);
+SArray *tsdbRetrieveDataBlock(TsdbQueryHandleT *pTsdbReadHandle, SArray *pColumnIdList);
 
 /**
  * Get the qualified table id for a super table according to the tag query expression.

src/query/inc/qExecutor.h

@@ -284,7 +284,7 @@ typedef struct SQueryRuntimeEnv {
   uint32_t              status;           // query status
   void*                 qinfo;
   uint8_t               scanFlag;         // denotes reversed scan of data or not
-  void*                 pQueryHandle;
+  void*                 pTsdbReadHandle;
 
   int32_t               prevGroupId;      // previous executed group id
   bool                  enableGroupData;
@@ -418,7 +418,7 @@ typedef struct SQueryParam {
 } SQueryParam;
 
 typedef struct STableScanInfo {
-  void           *pQueryHandle;
+  void           *pTsdbReadHandle;
   int32_t         numOfBlocks;
   int32_t         numOfSkipped;
   int32_t         numOfBlockStatis;

src/query/src/qExecutor.c

@@ -2326,8 +2326,8 @@ _clean:
 static void doFreeQueryHandle(SQueryRuntimeEnv* pRuntimeEnv) {
   SQueryAttr* pQueryAttr = pRuntimeEnv->pQueryAttr;
 
-  tsdbCleanupQueryHandle(pRuntimeEnv->pQueryHandle);
-  pRuntimeEnv->pQueryHandle = NULL;
+  tsdbCleanupQueryHandle(pRuntimeEnv->pTsdbReadHandle);
+  pRuntimeEnv->pTsdbReadHandle = NULL;
 
   SMemRef* pMemRef = &pQueryAttr->memRef;
   assert(pMemRef->ref == 0 && pMemRef->snapshot.imem == NULL && pMemRef->snapshot.mem == NULL);
@@ -3148,10 +3148,10 @@ int32_t loadDataBlockOnDemand(SQueryRuntimeEnv* pRuntimeEnv, STableScanInfo* pTa
   } else if ((*status) == BLK_DATA_STATIS_NEEDED) {
     // this function never returns error?
     pCost->loadBlockStatis += 1;
-    tsdbRetrieveDataBlockStatisInfo(pTableScanInfo->pQueryHandle, &pBlock->pBlockStatis);
+    tsdbRetrieveDataBlockStatisInfo(pTableScanInfo->pTsdbReadHandle, &pBlock->pBlockStatis);
 
     if (pBlock->pBlockStatis == NULL) {  // data block statistics does not exist, load data block
-      pBlock->pDataBlock = tsdbRetrieveDataBlock(pTableScanInfo->pQueryHandle, NULL);
+      pBlock->pDataBlock = tsdbRetrieveDataBlock(pTableScanInfo->pTsdbReadHandle, NULL);
       pCost->totalCheckedRows += pBlock->info.rows;
     }
   } else {
@@ -3159,7 +3159,7 @@ int32_t loadDataBlockOnDemand(SQueryRuntimeEnv* pRuntimeEnv, STableScanInfo* pTa
 
     // load the data block statistics to perform further filter
     pCost->loadBlockStatis += 1;
-    tsdbRetrieveDataBlockStatisInfo(pTableScanInfo->pQueryHandle, &pBlock->pBlockStatis);
+    tsdbRetrieveDataBlockStatisInfo(pTableScanInfo->pTsdbReadHandle, &pBlock->pBlockStatis);
 
     if (pQueryAttr->topBotQuery && pBlock->pBlockStatis != NULL) {
       { // set previous window
@@ -3205,7 +3205,7 @@ int32_t loadDataBlockOnDemand(SQueryRuntimeEnv* pRuntimeEnv, STableScanInfo* pTa
 
     pCost->totalCheckedRows += pBlockInfo->rows;
     pCost->loadBlocks += 1;
-    pBlock->pDataBlock = tsdbRetrieveDataBlock(pTableScanInfo->pQueryHandle, NULL);
+    pBlock->pDataBlock = tsdbRetrieveDataBlock(pTableScanInfo->pTsdbReadHandle, NULL);
     if (pBlock->pDataBlock == NULL) {
       return terrno;
     }
@@ -4494,7 +4494,7 @@ void queryCostStatis(SQInfo *pQInfo) {
 //
 //  assert(pQueryAttr->pos >= 0 && pQueryAttr->pos <= pBlockInfo->rows - 1);
 //
-//  SArray *         pDataBlock = tsdbRetrieveDataBlock(pRuntimeEnv->pQueryHandle, NULL);
+//  SArray *         pDataBlock = tsdbRetrieveDataBlock(pRuntimeEnv->pTsdbReadHandle, NULL);
 //  SColumnInfoData *pColInfoData = taosArrayGet(pDataBlock, 0);
 //
 //  // update the pQueryAttr->limit.offset value, and pQueryAttr->pos value
@@ -4521,15 +4521,15 @@ void queryCostStatis(SQInfo *pQInfo) {
 //  int32_t step = GET_FORWARD_DIRECTION_FACTOR(pQueryAttr->order.order);
 //
 //  STableQueryInfo* pTableQueryInfo = pRuntimeEnv->current;
-//  TsdbQueryHandleT pQueryHandle = pRuntimeEnv->pQueryHandle;
+//  TsdbQueryHandleT pTsdbReadHandle = pRuntimeEnv->pTsdbReadHandle;
 //
 //  SDataBlockInfo blockInfo = SDATA_BLOCK_INITIALIZER;
-//  while (tsdbNextDataBlock(pQueryHandle)) {
+//  while (tsdbNextDataBlock(pTsdbReadHandle)) {
 //    if (isQueryKilled(pRuntimeEnv->qinfo)) {
 //      longjmp(pRuntimeEnv->env, TSDB_CODE_TSC_QUERY_CANCELLED);
 //    }
 //
-//    tsdbRetrieveDataBlockInfo(pQueryHandle, &blockInfo);
+//    tsdbRetrieveDataBlockInfo(pTsdbReadHandle, &blockInfo);
 //
 //    if (pQueryAttr->limit.offset > blockInfo.rows) {
 //      pQueryAttr->limit.offset -= blockInfo.rows;
@@ -4562,7 +4562,7 @@ void queryCostStatis(SQInfo *pQInfo) {
 //
 //    // load the data block and check data remaining in current data block
 //    // TODO optimize performance
-//    SArray *         pDataBlock = tsdbRetrieveDataBlock(pRuntimeEnv->pQueryHandle, NULL);
+//    SArray *         pDataBlock = tsdbRetrieveDataBlock(pRuntimeEnv->pTsdbReadHandle, NULL);
 //    SColumnInfoData *pColInfoData = taosArrayGet(pDataBlock, 0);
 //
 //    tw = *win;
@@ -4627,8 +4627,8 @@ void queryCostStatis(SQInfo *pQInfo) {
 //  STableQueryInfo *pTableQueryInfo = pRuntimeEnv->current;
 //
 //  SDataBlockInfo blockInfo = SDATA_BLOCK_INITIALIZER;
-//  while (tsdbNextDataBlock(pRuntimeEnv->pQueryHandle)) {
-//    tsdbRetrieveDataBlockInfo(pRuntimeEnv->pQueryHandle, &blockInfo);
+//  while (tsdbNextDataBlock(pRuntimeEnv->pTsdbReadHandle)) {
+//    tsdbRetrieveDataBlockInfo(pRuntimeEnv->pTsdbReadHandle, &blockInfo);
 //
 //    if (QUERY_IS_ASC_QUERY(pQueryAttr)) {
 //      if (pWindowResInfo->prevSKey == TSKEY_INITIAL_VAL) {
@@ -4674,7 +4674,7 @@ void queryCostStatis(SQInfo *pQInfo) {
 //       */
 //      if ((tw.skey <= blockInfo.window.ekey && ascQuery) || (tw.ekey >= blockInfo.window.skey && !ascQuery)) {
 //
-//        SArray *pDataBlock = tsdbRetrieveDataBlock(pRuntimeEnv->pQueryHandle, NULL);
+//        SArray *pDataBlock = tsdbRetrieveDataBlock(pRuntimeEnv->pTsdbReadHandle, NULL);
 //        SColumnInfoData *pColInfoData = taosArrayGet(pDataBlock, 0);
 //
 //        if ((win.ekey > blockInfo.window.ekey && ascQuery) || (win.ekey < blockInfo.window.skey && !ascQuery)) {
@@ -4748,7 +4748,7 @@ static int32_t setupQueryHandle(void* tsdb, SQueryRuntimeEnv* pRuntimeEnv, int64
 
   terrno = TSDB_CODE_SUCCESS;
   if (isFirstLastRowQuery(pQueryAttr)) {
-    pRuntimeEnv->pQueryHandle = tsdbQueryLastRow(tsdb, &cond, &pQueryAttr->tableGroupInfo, qId, &pQueryAttr->memRef);
+    pRuntimeEnv->pTsdbReadHandle = tsdbQueryLastRow(tsdb, &cond, &pQueryAttr->tableGroupInfo, qId, &pQueryAttr->memRef);
 
     // update the query time window
     pQueryAttr->window = cond.twindow;
@@ -4769,11 +4769,11 @@ static int32_t setupQueryHandle(void* tsdb, SQueryRuntimeEnv* pRuntimeEnv, int64
       }
     }
   } else if (isCachedLastQuery(pQueryAttr)) {
-    pRuntimeEnv->pQueryHandle = tsdbQueryCacheLast(tsdb, &cond, &pQueryAttr->tableGroupInfo, qId, &pQueryAttr->memRef);
+    pRuntimeEnv->pTsdbReadHandle = tsdbQueryCacheLast(tsdb, &cond, &pQueryAttr->tableGroupInfo, qId, &pQueryAttr->memRef);
   } else if (pQueryAttr->pointInterpQuery) {
-    pRuntimeEnv->pQueryHandle = tsdbQueryRowsInExternalWindow(tsdb, &cond, &pQueryAttr->tableGroupInfo, qId, &pQueryAttr->memRef);
+    pRuntimeEnv->pTsdbReadHandle = tsdbQueryRowsInExternalWindow(tsdb, &cond, &pQueryAttr->tableGroupInfo, qId, &pQueryAttr->memRef);
   } else {
-    pRuntimeEnv->pQueryHandle = tsdbQueryTables(tsdb, &cond, &pQueryAttr->tableGroupInfo, qId, &pQueryAttr->memRef);
+    pRuntimeEnv->pTsdbReadHandle = tsdbQueryTables(tsdb, &cond, &pQueryAttr->tableGroupInfo, qId, &pQueryAttr->memRef);
   }
 
   return terrno;
@@ -4831,19 +4831,19 @@ int32_t doInitQInfo(SQInfo* pQInfo, STSBuf* pTsBuf, void* tsdb, void* sourceOptr
 
   switch(tbScanner) {
     case OP_TableBlockInfoScan: {
-      pRuntimeEnv->proot = createTableBlockInfoScanOperator(pRuntimeEnv->pQueryHandle, pRuntimeEnv);
+      pRuntimeEnv->proot = createTableBlockInfoScanOperator(pRuntimeEnv->pTsdbReadHandle, pRuntimeEnv);
       break;
     }
     case OP_TableSeqScan: {
-      pRuntimeEnv->proot = createTableSeqScanOperator(pRuntimeEnv->pQueryHandle, pRuntimeEnv);
+      pRuntimeEnv->proot = createTableSeqScanOperator(pRuntimeEnv->pTsdbReadHandle, pRuntimeEnv);
       break;
     }
     case OP_DataBlocksOptScan: {
-      pRuntimeEnv->proot = createDataBlocksOptScanInfo(pRuntimeEnv->pQueryHandle, pRuntimeEnv, getNumOfScanTimes(pQueryAttr), pQueryAttr->needReverseScan? 1:0);
+      pRuntimeEnv->proot = createDataBlocksOptScanInfo(pRuntimeEnv->pTsdbReadHandle, pRuntimeEnv, getNumOfScanTimes(pQueryAttr), pQueryAttr->needReverseScan? 1:0);
       break;
     }
     case OP_TableScan: {
-      pRuntimeEnv->proot = createTableScanOperator(pRuntimeEnv->pQueryHandle, pRuntimeEnv, getNumOfScanTimes(pQueryAttr));
+      pRuntimeEnv->proot = createTableScanOperator(pRuntimeEnv->pTsdbReadHandle, pRuntimeEnv, getNumOfScanTimes(pQueryAttr));
       break;
     }
     default: { // do nothing
@@ -4974,13 +4974,13 @@ static SSDataBlock* doTableScanImpl(void* param, bool* newgroup) {
 
   *newgroup = false;
 
-  while (tsdbNextDataBlock(pTableScanInfo->pQueryHandle)) {
+  while (tsdbNextDataBlock(pTableScanInfo->pTsdbReadHandle)) {
     if (isQueryKilled(pOperator->pRuntimeEnv->qinfo)) {
       longjmp(pOperator->pRuntimeEnv->env, TSDB_CODE_TSC_QUERY_CANCELLED);
     }
 
     pTableScanInfo->numOfBlocks += 1;
-    tsdbRetrieveDataBlockInfo(pTableScanInfo->pQueryHandle, &pBlock->info);
+    tsdbRetrieveDataBlockInfo(pTableScanInfo->pTsdbReadHandle, &pBlock->info);
 
     // todo opt
     if (pTableGroupInfo->numOfTables > 1 || (pRuntimeEnv->current == NULL && pTableGroupInfo->numOfTables == 1)) {
@@ -5037,7 +5037,7 @@ static SSDataBlock* doTableScan(void* param, bool *newgroup) {
     }
 
     if (++pTableScanInfo->current >= pTableScanInfo->times) {
-      if (pTableScanInfo->reverseTimes <= 0 || isTsdbCacheLastRow(pTableScanInfo->pQueryHandle)) {
+      if (pTableScanInfo->reverseTimes <= 0 || isTsdbCacheLastRow(pTableScanInfo->pTsdbReadHandle)) {
         return NULL;
       } else {
         break;
@@ -5046,7 +5046,7 @@ static SSDataBlock* doTableScan(void* param, bool *newgroup) {
 
     // do prepare for the next round table scan operation
     STsdbQueryCond cond = createTsdbQueryCond(pQueryAttr, &pQueryAttr->window);
-    tsdbResetQueryHandle(pTableScanInfo->pQueryHandle, &cond);
+    tsdbResetQueryHandle(pTableScanInfo->pTsdbReadHandle, &cond);
 
     setQueryStatus(pRuntimeEnv, QUERY_NOT_COMPLETED);
     pRuntimeEnv->scanFlag = REPEAT_SCAN;
@@ -5069,7 +5069,7 @@ static SSDataBlock* doTableScan(void* param, bool *newgroup) {
     setupEnvForReverseScan(pRuntimeEnv, pTableScanInfo->pResultRowInfo, pTableScanInfo->pCtx, pTableScanInfo->numOfOutput);
 
     STsdbQueryCond cond = createTsdbQueryCond(pQueryAttr, &pQueryAttr->window);
-    tsdbResetQueryHandle(pTableScanInfo->pQueryHandle, &cond);
+    tsdbResetQueryHandle(pTableScanInfo->pTsdbReadHandle, &cond);
 
     qDebug("QInfo:0x%"PRIx64" start to reverse scan data blocks due to query func required, qrange:%" PRId64 "-%" PRId64,
            GET_QID(pRuntimeEnv), cond.twindow.skey, cond.twindow.ekey);
@@ -5112,8 +5112,8 @@ static SSDataBlock* doBlockInfoScan(void* param, bool* newgroup) {
   tableBlockDist.maxRows = INT_MIN;
   tableBlockDist.minRows = INT_MAX;
 
-  tsdbGetFileBlocksDistInfo(pTableScanInfo->pQueryHandle, &tableBlockDist);
-  tableBlockDist.numOfRowsInMemTable = (int32_t) tsdbGetNumOfRowsInMemTable(pTableScanInfo->pQueryHandle);
+  tsdbGetFileBlocksDistInfo(pTableScanInfo->pTsdbReadHandle, &tableBlockDist);
+  tableBlockDist.numOfRowsInMemTable = (int32_t) tsdbGetNumOfRowsInMemTable(pTableScanInfo->pTsdbReadHandle);
 
   SSDataBlock* pBlock = &pTableScanInfo->block;
   pBlock->info.rows   = 1;
@@ -5142,7 +5142,7 @@ SOperatorInfo* createTableScanOperator(void* pTsdbQueryHandle, SQueryRuntimeEnv*
   assert(repeatTime > 0);
 
   STableScanInfo* pInfo = calloc(1, sizeof(STableScanInfo));
-  pInfo->pQueryHandle   = pTsdbQueryHandle;
+  pInfo->pTsdbReadHandle   = pTsdbQueryHandle;
   pInfo->times          = repeatTime;
   pInfo->reverseTimes   = 0;
   pInfo->order          = pRuntimeEnv->pQueryAttr->order.order;
@@ -5165,7 +5165,7 @@ SOperatorInfo* createTableScanOperator(void* pTsdbQueryHandle, SQueryRuntimeEnv*
 SOperatorInfo* createTableSeqScanOperator(void* pTsdbQueryHandle, SQueryRuntimeEnv* pRuntimeEnv) {
   STableScanInfo* pInfo = calloc(1, sizeof(STableScanInfo));
 
-  pInfo->pQueryHandle     = pTsdbQueryHandle;
+  pInfo->pTsdbReadHandle     = pTsdbQueryHandle;
   pInfo->times            = 1;
   pInfo->reverseTimes     = 0;
   pInfo->order            = pRuntimeEnv->pQueryAttr->order.order;
@@ -5189,7 +5189,7 @@ SOperatorInfo* createTableSeqScanOperator(void* pTsdbQueryHandle, SQueryRuntimeE
 SOperatorInfo* createTableBlockInfoScanOperator(void* pTsdbQueryHandle, SQueryRuntimeEnv* pRuntimeEnv) {
   STableScanInfo* pInfo = calloc(1, sizeof(STableScanInfo));
 
-  pInfo->pQueryHandle     = pTsdbQueryHandle;
+  pInfo->pTsdbReadHandle     = pTsdbQueryHandle;
   pInfo->block.pDataBlock = taosArrayInit(1, sizeof(SColumnInfoData));
 
   SColumnInfoData infoData = {{0}};
@@ -5271,7 +5271,7 @@ SOperatorInfo* createDataBlocksOptScanInfo(void* pTsdbQueryHandle, SQueryRuntime
   assert(repeatTime > 0);
 
   STableScanInfo* pInfo = calloc(1, sizeof(STableScanInfo));
-  pInfo->pQueryHandle   = pTsdbQueryHandle;
+  pInfo->pTsdbReadHandle   = pTsdbQueryHandle;
   pInfo->times          = repeatTime;
   pInfo->reverseTimes   = reverseTime;
   pInfo->current        = 0;