#3530

Committed 16 Nov 2024 07:44AM UTC coverage: 60.219% (-0.7%) from 60.888%

Build # #3530

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Update 03-ad.md

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64.28

/source/libs/executor/src/executor.c

/*
 * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
 *
 * This program is free software: you can use, redistribute, and/or modify
 * it under the terms of the GNU Affero General Public License, version 3
 * or later ("AGPL"), as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#include "executor.h"
#include "executorInt.h"
#include "operator.h"
#include "planner.h"
#include "querytask.h"
#include "tdatablock.h"
#include "tref.h"
#include "trpc.h"
#include "tudf.h"
#include "wal.h"

#include "storageapi.h"

static TdThreadOnce initPoolOnce = PTHREAD_ONCE_INIT;
int32_t             exchangeObjRefPool = -1;

static void cleanupRefPool() {
  int32_t ref = atomic_val_compare_exchange_32(&exchangeObjRefPool, exchangeObjRefPool, 0);
  taosCloseRef(ref);
}

static void initRefPool() {
  exchangeObjRefPool = taosOpenRef(1024, doDestroyExchangeOperatorInfo);
  (void)atexit(cleanupRefPool);
}

static int32_t doSetSMABlock(SOperatorInfo* pOperator, void* input, size_t numOfBlocks, int32_t type, char* id) {
  int32_t code = TSDB_CODE_SUCCESS;
  int32_t lino = 0;
  if (pOperator->operatorType != QUERY_NODE_PHYSICAL_PLAN_STREAM_SCAN) {
    if (pOperator->numOfDownstream == 0) {
      qError("failed to find stream scan operator to set the input data block, %s" PRIx64, id);
      return TSDB_CODE_APP_ERROR;
    }

    if (pOperator->numOfDownstream > 1) {  // not handle this in join query
      qError("join not supported for stream block scan, %s" PRIx64, id);
      return TSDB_CODE_APP_ERROR;
    }
    pOperator->status = OP_NOT_OPENED;
    return doSetSMABlock(pOperator->pDownstream[0], input, numOfBlocks, type, id);
  } else {
    pOperator->status = OP_NOT_OPENED;

    SStreamScanInfo* pInfo = pOperator->info;

    if (type == STREAM_INPUT__MERGED_SUBMIT) {
      for (int32_t i = 0; i < numOfBlocks; i++) {
        SPackedData* pReq = POINTER_SHIFT(input, i * sizeof(SPackedData));
        void*        tmp = taosArrayPush(pInfo->pBlockLists, pReq);
        QUERY_CHECK_NULL(tmp, code, lino, _end, terrno);
      }
      pInfo->blockType = STREAM_INPUT__DATA_SUBMIT;
    } else if (type == STREAM_INPUT__DATA_SUBMIT) {
      void* tmp = taosArrayPush(pInfo->pBlockLists, &input);
      QUERY_CHECK_NULL(tmp, code, lino, _end, terrno);
      pInfo->blockType = STREAM_INPUT__DATA_SUBMIT;
    } else if (type == STREAM_INPUT__DATA_BLOCK) {
      for (int32_t i = 0; i < numOfBlocks; ++i) {
        SSDataBlock* pDataBlock = &((SSDataBlock*)input)[i];
        SPackedData  tmp = {.pDataBlock = pDataBlock};
        void*        tmpItem = taosArrayPush(pInfo->pBlockLists, &tmp);
        QUERY_CHECK_NULL(tmpItem, code, lino, _end, terrno);
      }
      pInfo->blockType = STREAM_INPUT__DATA_BLOCK;
    } else if (type == STREAM_INPUT__CHECKPOINT) {
      SPackedData tmp = {.pDataBlock = input};
      void*       tmpItem = taosArrayPush(pInfo->pBlockLists, &tmp);
      QUERY_CHECK_NULL(tmpItem, code, lino, _end, terrno);
      pInfo->blockType = STREAM_INPUT__CHECKPOINT;
    } else if (type == STREAM_INPUT__REF_DATA_BLOCK) {
      for (int32_t i = 0; i < numOfBlocks; ++i) {
        SPackedData* pReq = POINTER_SHIFT(input, i * sizeof(SPackedData));
        void*        tmp = taosArrayPush(pInfo->pBlockLists, pReq);
        QUERY_CHECK_NULL(tmp, code, lino, _end, terrno);
      }
      pInfo->blockType = STREAM_INPUT__DATA_BLOCK;
    }

    return TSDB_CODE_SUCCESS;
  }

_end:
  if (code != TSDB_CODE_SUCCESS) {
    qError("%s failed at line %d since %s", __func__, lino, tstrerror(code));
  }
  return code;
}

static int32_t doSetStreamOpOpen(SOperatorInfo* pOperator, char* id) {
  if (pOperator->operatorType != QUERY_NODE_PHYSICAL_PLAN_STREAM_SCAN) {
    if (pOperator->numOfDownstream == 0) {
      qError("failed to find stream scan operator to set the input data block, %s" PRIx64, id);
      return TSDB_CODE_APP_ERROR;
    }

    if (pOperator->numOfDownstream > 1) {  // not handle this in join query
      qError("join not supported for stream block scan, %s" PRIx64, id);
      return TSDB_CODE_APP_ERROR;
    }

    pOperator->status = OP_NOT_OPENED;
    return doSetStreamOpOpen(pOperator->pDownstream[0], id);
  }
  return 0;
}

static void clearStreamBlock(SOperatorInfo* pOperator) {
  if (pOperator->operatorType != QUERY_NODE_PHYSICAL_PLAN_STREAM_SCAN) {
    if (pOperator->numOfDownstream == 1) {
      return clearStreamBlock(pOperator->pDownstream[0]);
    }
  } else {
    SStreamScanInfo* pInfo = pOperator->info;
    doClearBufferedBlocks(pInfo);
  }
}

void qResetTaskInfoCode(qTaskInfo_t tinfo) {
  SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
  pTaskInfo->code = 0;
  clearStreamBlock(pTaskInfo->pRoot);
}

static int32_t doSetStreamBlock(SOperatorInfo* pOperator, void* input, size_t numOfBlocks, int32_t type,
                                const char* id) {
  int32_t code = TSDB_CODE_SUCCESS;
  int32_t lino = 0;
  if (pOperator->operatorType != QUERY_NODE_PHYSICAL_PLAN_STREAM_SCAN) {
    if (pOperator->numOfDownstream == 0) {
      qError("failed to find stream scan operator to set the input data block, %s" PRIx64, id);
      return TSDB_CODE_APP_ERROR;
    }

    if (pOperator->numOfDownstream > 1) {  // not handle this in join query
      qError("join not supported for stream block scan, %s" PRIx64, id);
      return TSDB_CODE_APP_ERROR;
    }
    pOperator->status = OP_NOT_OPENED;
    return doSetStreamBlock(pOperator->pDownstream[0], input, numOfBlocks, type, id);
  } else {
    pOperator->status = OP_NOT_OPENED;
    SStreamScanInfo* pInfo = pOperator->info;

    qDebug("s-task:%s in this batch, %d blocks need to be processed", id, (int32_t)numOfBlocks);
    QUERY_CHECK_CONDITION((pInfo->validBlockIndex == 0 && taosArrayGetSize(pInfo->pBlockLists) == 0), code, lino, _end,
                          TSDB_CODE_QRY_EXECUTOR_INTERNAL_ERROR);

    if (type == STREAM_INPUT__MERGED_SUBMIT) {
      for (int32_t i = 0; i < numOfBlocks; i++) {
        SPackedData* pReq = POINTER_SHIFT(input, i * sizeof(SPackedData));
        void*        tmp = taosArrayPush(pInfo->pBlockLists, pReq);
        QUERY_CHECK_NULL(tmp, code, lino, _end, terrno);
      }

      pInfo->blockType = STREAM_INPUT__DATA_SUBMIT;
    } else if (type == STREAM_INPUT__DATA_SUBMIT) {
      void* tmp = taosArrayPush(pInfo->pBlockLists, input);
      QUERY_CHECK_NULL(tmp, code, lino, _end, terrno);

      pInfo->blockType = STREAM_INPUT__DATA_SUBMIT;
    } else if (type == STREAM_INPUT__DATA_BLOCK) {
      for (int32_t i = 0; i < numOfBlocks; ++i) {
        SSDataBlock* pDataBlock = &((SSDataBlock*)input)[i];
        SPackedData  tmp = {.pDataBlock = pDataBlock};
        void*        tmpItem = taosArrayPush(pInfo->pBlockLists, &tmp);
        QUERY_CHECK_NULL(tmpItem, code, lino, _end, terrno);
      }

      pInfo->blockType = STREAM_INPUT__DATA_BLOCK;
    } else if (type == STREAM_INPUT__CHECKPOINT_TRIGGER) {
      SPackedData tmp = {.pDataBlock = input};
      void*       tmpItem = taosArrayPush(pInfo->pBlockLists, &tmp);
      QUERY_CHECK_NULL(tmpItem, code, lino, _end, terrno);

      pInfo->blockType = STREAM_INPUT__CHECKPOINT;
    } else {
      code = TSDB_CODE_QRY_EXECUTOR_INTERNAL_ERROR;
      QUERY_CHECK_CODE(code, lino, _end);
    }

    return TSDB_CODE_SUCCESS;
  }

_end:
  if (code != TSDB_CODE_SUCCESS) {
    qError("%s failed at line %d since %s", __func__, lino, tstrerror(code));
  }
  return code;
}

int32_t doSetTaskId(SOperatorInfo* pOperator, SStorageAPI* pAPI) {
  SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
  if (pOperator->operatorType == QUERY_NODE_PHYSICAL_PLAN_STREAM_SCAN) {
    SStreamScanInfo* pStreamScanInfo = pOperator->info;
    if (pStreamScanInfo->pTableScanOp != NULL) {
      STableScanInfo* pScanInfo = pStreamScanInfo->pTableScanOp->info;
      if (pScanInfo->base.dataReader != NULL) {
        int32_t code = pAPI->tsdReader.tsdSetReaderTaskId(pScanInfo->base.dataReader, pTaskInfo->id.str);
        if (code) {
          qError("failed to set reader id for executor, code:%s", tstrerror(code));
          return code;
        }
      }
    }
  } else {
    return doSetTaskId(pOperator->pDownstream[0], pAPI);
  }

  return 0;
}

int32_t qSetTaskId(qTaskInfo_t tinfo, uint64_t taskId, uint64_t queryId) {
  SExecTaskInfo* pTaskInfo = tinfo;
  pTaskInfo->id.queryId = queryId;
  buildTaskId(taskId, queryId, pTaskInfo->id.str);

  // set the idstr for tsdbReader
  return doSetTaskId(pTaskInfo->pRoot, &pTaskInfo->storageAPI);
}

int32_t qSetStreamOpOpen(qTaskInfo_t tinfo) {
  if (tinfo == NULL) {
    return TSDB_CODE_APP_ERROR;
  }

  SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
  int32_t        code = doSetStreamOpOpen(pTaskInfo->pRoot, GET_TASKID(pTaskInfo));
  if (code != TSDB_CODE_SUCCESS) {
    qError("%s failed to set the stream block data", GET_TASKID(pTaskInfo));
  } else {
    qDebug("%s set the stream block successfully", GET_TASKID(pTaskInfo));
  }

  return code;
}

int32_t qSetMultiStreamInput(qTaskInfo_t tinfo, const void* pBlocks, size_t numOfBlocks, int32_t type) {
  if (tinfo == NULL) {
    return TSDB_CODE_APP_ERROR;
  }

  if (pBlocks == NULL || numOfBlocks == 0) {
    return TSDB_CODE_SUCCESS;
  }

  SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;

  int32_t code = doSetStreamBlock(pTaskInfo->pRoot, (void*)pBlocks, numOfBlocks, type, GET_TASKID(pTaskInfo));
  if (code != TSDB_CODE_SUCCESS) {
    qError("%s failed to set the stream block data", GET_TASKID(pTaskInfo));
  } else {
    qDebug("%s set the stream block successfully", GET_TASKID(pTaskInfo));
  }

  return code;
}

int32_t qSetSMAInput(qTaskInfo_t tinfo, const void* pBlocks, size_t numOfBlocks, int32_t type) {
  if (tinfo == NULL) {
    return TSDB_CODE_APP_ERROR;
  }

  if (pBlocks == NULL || numOfBlocks == 0) {
    return TSDB_CODE_SUCCESS;
  }

  SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;

  int32_t code = doSetSMABlock(pTaskInfo->pRoot, (void*)pBlocks, numOfBlocks, type, GET_TASKID(pTaskInfo));
  if (code != TSDB_CODE_SUCCESS) {
    qError("%s failed to set the sma block data", GET_TASKID(pTaskInfo));
  } else {
    qDebug("%s set the sma block successfully", GET_TASKID(pTaskInfo));
  }

  return code;
}

qTaskInfo_t qCreateQueueExecTaskInfo(void* msg, SReadHandle* pReaderHandle, int32_t vgId, int32_t* numOfCols,
                                     uint64_t id) {
  if (msg == NULL) {  // create raw scan
    SExecTaskInfo* pTaskInfo = NULL;

    int32_t code = doCreateTask(0, id, vgId, OPTR_EXEC_MODEL_QUEUE, &pReaderHandle->api, &pTaskInfo);
    if (NULL == pTaskInfo || code != 0) {
      return NULL;
    }

    code = createRawScanOperatorInfo(pReaderHandle, pTaskInfo, &pTaskInfo->pRoot);
    if (NULL == pTaskInfo->pRoot || code != 0) {
      taosMemoryFree(pTaskInfo);
      return NULL;
    }

    pTaskInfo->storageAPI = pReaderHandle->api;
    qDebug("create raw scan task info completed, vgId:%d, %s", vgId, GET_TASKID(pTaskInfo));
    return pTaskInfo;
  }

  SSubplan* pPlan = NULL;
  int32_t   code = qStringToSubplan(msg, &pPlan);
  if (code != TSDB_CODE_SUCCESS) {
    terrno = code;
    return NULL;
  }

  qTaskInfo_t pTaskInfo = NULL;
  code = qCreateExecTask(pReaderHandle, vgId, 0, pPlan, &pTaskInfo, NULL, 0, NULL, OPTR_EXEC_MODEL_QUEUE);
  if (code != TSDB_CODE_SUCCESS) {
    qDestroyTask(pTaskInfo);
    terrno = code;
    return NULL;
  }

  // extract the number of output columns
  SDataBlockDescNode* pDescNode = pPlan->pNode->pOutputDataBlockDesc;
  *numOfCols = 0;

  SNode* pNode;
  FOREACH(pNode, pDescNode->pSlots) {
    SSlotDescNode* pSlotDesc = (SSlotDescNode*)pNode;
    if (pSlotDesc->output) {
      ++(*numOfCols);
    }
  }

  return pTaskInfo;
}

int32_t qCreateStreamExecTaskInfo(qTaskInfo_t* pTaskInfo, void* msg, SReadHandle* readers, int32_t vgId, int32_t taskId) {
  if (msg == NULL) {
    return TSDB_CODE_INVALID_PARA;
  }

  *pTaskInfo = NULL;

  SSubplan* pPlan = NULL;
  int32_t   code = qStringToSubplan(msg, &pPlan);
  if (code != TSDB_CODE_SUCCESS) {
    return code;
  }

  code = qCreateExecTask(readers, vgId, taskId, pPlan, pTaskInfo, NULL, 0, NULL, OPTR_EXEC_MODEL_STREAM);
  if (code != TSDB_CODE_SUCCESS) {
    qDestroyTask(*pTaskInfo);
    return code;
  }

  code = qStreamInfoResetTimewindowFilter(*pTaskInfo);
  if (code != TSDB_CODE_SUCCESS) {
    qDestroyTask(*pTaskInfo);
  }

  return code;
}

static int32_t filterUnqualifiedTables(const SStreamScanInfo* pScanInfo, const SArray* tableIdList, const char* idstr,
                                       SStorageAPI* pAPI, SArray** ppArrayRes) {
  int32_t code = TSDB_CODE_SUCCESS;
  int32_t lino = 0;
  SArray* qa = taosArrayInit(4, sizeof(tb_uid_t));
  QUERY_CHECK_NULL(qa, code, lino, _error, terrno);
  int32_t numOfUids = taosArrayGetSize(tableIdList);
  if (numOfUids == 0) {
    (*ppArrayRes) = qa;
    goto _error;
  }

  STableScanInfo* pTableScanInfo = pScanInfo->pTableScanOp->info;

  uint64_t suid = 0;
  uint64_t uid = 0;
  int32_t  type = 0;
  tableListGetSourceTableInfo(pTableScanInfo->base.pTableListInfo, &suid, &uid, &type);

  // let's discard the tables those are not created according to the queried super table.
  SMetaReader mr = {0};
  pAPI->metaReaderFn.initReader(&mr, pScanInfo->readHandle.vnode, META_READER_LOCK, &pAPI->metaFn);
  for (int32_t i = 0; i < numOfUids; ++i) {
    uint64_t* id = (uint64_t*)taosArrayGet(tableIdList, i);
    QUERY_CHECK_NULL(id, code, lino, _end, terrno);

    int32_t code = pAPI->metaReaderFn.getTableEntryByUid(&mr, *id);
    if (code != TSDB_CODE_SUCCESS) {
      qError("failed to get table meta, uid:%" PRIu64 " code:%s, %s", *id, tstrerror(terrno), idstr);
      continue;
    }

    tDecoderClear(&mr.coder);

    if (mr.me.type == TSDB_SUPER_TABLE) {
      continue;
    } else {
      if (type == TSDB_SUPER_TABLE) {
        // this new created child table does not belong to the scanned super table.
        if (mr.me.type != TSDB_CHILD_TABLE || mr.me.ctbEntry.suid != suid) {
          continue;
        }
      } else {  // ordinary table
        // In case that the scanned target table is an ordinary table. When replay the WAL during restore the vnode, we
        // should check all newly created ordinary table to make sure that this table isn't the destination table.
        if (mr.me.uid != uid) {
          continue;
        }
      }
    }

    if (pScanInfo->pTagCond != NULL) {
      bool          qualified = false;
      STableKeyInfo info = {.groupId = 0, .uid = mr.me.uid};
      code = isQualifiedTable(&info, pScanInfo->pTagCond, pScanInfo->readHandle.vnode, &qualified, pAPI);
      if (code != TSDB_CODE_SUCCESS) {
        qError("failed to filter new table, uid:0x%" PRIx64 ", %s", info.uid, idstr);
        continue;
      }

      if (!qualified) {
        continue;
      }
    }

    // handle multiple partition
    void* tmp = taosArrayPush(qa, id);
    QUERY_CHECK_NULL(tmp, code, lino, _end, terrno);
  }

_end:
  pAPI->metaReaderFn.clearReader(&mr);
  (*ppArrayRes) = qa;

_error:
  if (code != TSDB_CODE_SUCCESS) {
    qError("%s failed at line %d since %s", __func__, lino, tstrerror(code));
  }
  return code;
}

int32_t qUpdateTableListForStreamScanner(qTaskInfo_t tinfo, const SArray* tableIdList, bool isAdd) {
  SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
  const char*    id = GET_TASKID(pTaskInfo);
  int32_t        code = 0;

  if (isAdd) {
    qDebug("try to add %d tables id into query list, %s", (int32_t)taosArrayGetSize(tableIdList), id);
  }

  // traverse to the stream scanner node to add this table id
  SOperatorInfo* pInfo = NULL;
  code = extractOperatorInTree(pTaskInfo->pRoot, QUERY_NODE_PHYSICAL_PLAN_STREAM_SCAN, id, &pInfo);
  if (code != 0 || pInfo == NULL) {
    return code;
  }

  SStreamScanInfo* pScanInfo = pInfo->info;

  if (isAdd) {  // add new table id
    SArray* qa = NULL;
    code = filterUnqualifiedTables(pScanInfo, tableIdList, id, &pTaskInfo->storageAPI, &qa);
    if (code != TSDB_CODE_SUCCESS) {
      taosArrayDestroy(qa);
      return code;
    }
    int32_t numOfQualifiedTables = taosArrayGetSize(qa);
    qDebug("%d qualified child tables added into stream scanner, %s", numOfQualifiedTables, id);
    pTaskInfo->storageAPI.tqReaderFn.tqReaderAddTables(pScanInfo->tqReader, qa);

    bool   assignUid = false;
    size_t bufLen = (pScanInfo->pGroupTags != NULL) ? getTableTagsBufLen(pScanInfo->pGroupTags) : 0;
    char*  keyBuf = NULL;
    if (bufLen > 0) {
      assignUid = groupbyTbname(pScanInfo->pGroupTags);
      keyBuf = taosMemoryMalloc(bufLen);
      if (keyBuf == NULL) {
        taosArrayDestroy(qa);
        return terrno;
      }
    }

    STableListInfo* pTableListInfo = ((STableScanInfo*)pScanInfo->pTableScanOp->info)->base.pTableListInfo;
    taosWLockLatch(&pTaskInfo->lock);

    for (int32_t i = 0; i < numOfQualifiedTables; ++i) {
      uint64_t* uid = taosArrayGet(qa, i);
      if (!uid) {
        taosMemoryFree(keyBuf);
        taosArrayDestroy(qa);
        taosWUnLockLatch(&pTaskInfo->lock);
        return terrno;
      }
      STableKeyInfo keyInfo = {.uid = *uid, .groupId = 0};

      if (bufLen > 0) {
        if (assignUid) {
          keyInfo.groupId = keyInfo.uid;
        } else {
          code = getGroupIdFromTagsVal(pScanInfo->readHandle.vnode, keyInfo.uid, pScanInfo->pGroupTags, keyBuf,
                                       &keyInfo.groupId, &pTaskInfo->storageAPI);
          if (code != TSDB_CODE_SUCCESS) {
            taosMemoryFree(keyBuf);
            taosArrayDestroy(qa);
            taosWUnLockLatch(&pTaskInfo->lock);
            return code;
          }
        }
      }

      code = tableListAddTableInfo(pTableListInfo, keyInfo.uid, keyInfo.groupId);
      if (code != TSDB_CODE_SUCCESS) {
        taosMemoryFree(keyBuf);
        taosArrayDestroy(qa);
        taosWUnLockLatch(&pTaskInfo->lock);
        return code;
      }
    }

    taosWUnLockLatch(&pTaskInfo->lock);
    if (keyBuf != NULL) {
      taosMemoryFree(keyBuf);
    }

    taosArrayDestroy(qa);
  } else {  // remove the table id in current list
    qDebug("%d remove child tables from the stream scanner, %s", (int32_t)taosArrayGetSize(tableIdList), id);
    taosWLockLatch(&pTaskInfo->lock);
    pTaskInfo->storageAPI.tqReaderFn.tqReaderRemoveTables(pScanInfo->tqReader, tableIdList);
    taosWUnLockLatch(&pTaskInfo->lock);
  }

  return code;
}

int32_t qGetQueryTableSchemaVersion(qTaskInfo_t tinfo, char* dbName, int32_t dbNameBuffLen, char* tableName,
                                    int32_t tbaleNameBuffLen, int32_t* sversion, int32_t* tversion, int32_t idx,
                                    bool* tbGet) {
  *tbGet = false;

  if (tinfo == NULL || dbName == NULL || tableName == NULL) {
    return TSDB_CODE_INVALID_PARA;
  }
  SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;

  if (taosArrayGetSize(pTaskInfo->schemaInfos) <= idx) {
    return TSDB_CODE_SUCCESS;
  }

  SSchemaInfo* pSchemaInfo = taosArrayGet(pTaskInfo->schemaInfos, idx);
  if (!pSchemaInfo) {
    qError("%s failed at line %d since %s", __func__, __LINE__, tstrerror(terrno));
    return terrno;
  }

  *sversion = pSchemaInfo->sw->version;
  *tversion = pSchemaInfo->tversion;
  if (pSchemaInfo->dbname) {
    tstrncpy(dbName, pSchemaInfo->dbname, dbNameBuffLen);
  } else {
    dbName[0] = 0;
  }
  if (pSchemaInfo->tablename) {
    tstrncpy(tableName, pSchemaInfo->tablename, tbaleNameBuffLen);
  } else {
    tableName[0] = 0;
  }

  *tbGet = true;

  return TSDB_CODE_SUCCESS;
}

bool qIsDynamicExecTask(qTaskInfo_t tinfo) { return ((SExecTaskInfo*)tinfo)->dynamicTask; }

void destroyOperatorParam(SOperatorParam* pParam) {
  if (NULL == pParam) {
    return;
  }

  // TODO
}

void qUpdateOperatorParam(qTaskInfo_t tinfo, void* pParam) {
  destroyOperatorParam(((SExecTaskInfo*)tinfo)->pOpParam);
  ((SExecTaskInfo*)tinfo)->pOpParam = pParam;
  ((SExecTaskInfo*)tinfo)->paramSet = false;
}

int32_t qCreateExecTask(SReadHandle* readHandle, int32_t vgId, uint64_t taskId, SSubplan* pSubplan,
                        qTaskInfo_t* pTaskInfo, DataSinkHandle* handle, int8_t compressResult, char* sql,
                        EOPTR_EXEC_MODEL model) {
  SExecTaskInfo** pTask = (SExecTaskInfo**)pTaskInfo;
  (void)taosThreadOnce(&initPoolOnce, initRefPool);

  qDebug("start to create task, TID:0x%" PRIx64 " QID:0x%" PRIx64 ", vgId:%d", taskId, pSubplan->id.queryId, vgId);

  int32_t code = createExecTaskInfo(pSubplan, pTask, readHandle, taskId, vgId, sql, model);
  if (code != TSDB_CODE_SUCCESS || NULL == *pTask) {
    qError("failed to createExecTaskInfo, code: %s", tstrerror(code));
    goto _error;
  }

  if (handle) {
    SDataSinkMgtCfg cfg = {.maxDataBlockNum = 500, .maxDataBlockNumPerQuery = 50, .compress = compressResult};
    void*           pSinkManager = NULL;
    code = dsDataSinkMgtInit(&cfg, &(*pTask)->storageAPI, &pSinkManager);
    if (code != TSDB_CODE_SUCCESS) {
      qError("failed to dsDataSinkMgtInit, code:%s, %s", tstrerror(code), (*pTask)->id.str);
      goto _error;
    }

    void* pSinkParam = NULL;
    code = createDataSinkParam(pSubplan->pDataSink, &pSinkParam, (*pTask), readHandle);
    if (code != TSDB_CODE_SUCCESS) {
      qError("failed to createDataSinkParam, vgId:%d, code:%s, %s", vgId, tstrerror(code), (*pTask)->id.str);
      taosMemoryFree(pSinkManager);
      goto _error;
    }

    // pSinkParam has been freed during create sinker.
    code = dsCreateDataSinker(pSinkManager, pSubplan->pDataSink, handle, pSinkParam, (*pTask)->id.str);
    if (code) {
      qError("s-task:%s failed to create data sinker, code:%s", (*pTask)->id.str, tstrerror(code));
    }
  }

  qDebug("subplan task create completed, TID:0x%" PRIx64 " QID:0x%" PRIx64 " code:%s", taskId, pSubplan->id.queryId,
         tstrerror(code));

_error:
  // if failed to add ref for all tables in this query, abort current query
  return code;
}

static void freeBlock(void* param) {
  SSDataBlock* pBlock = *(SSDataBlock**)param;
  blockDataDestroy(pBlock);
}

int32_t qExecTaskOpt(qTaskInfo_t tinfo, SArray* pResList, uint64_t* useconds, bool* hasMore, SLocalFetch* pLocal) {
  int32_t        code = TSDB_CODE_SUCCESS;
  int32_t        lino = 0;
  SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
  int64_t        threadId = taosGetSelfPthreadId();

  if (pLocal) {
    memcpy(&pTaskInfo->localFetch, pLocal, sizeof(*pLocal));
  }

  taosArrayClear(pResList);

  int64_t curOwner = 0;
  if ((curOwner = atomic_val_compare_exchange_64(&pTaskInfo->owner, 0, threadId)) != 0) {
    qError("%s-%p execTask is now executed by thread:%p", GET_TASKID(pTaskInfo), pTaskInfo, (void*)curOwner);
    pTaskInfo->code = TSDB_CODE_QRY_IN_EXEC;
    return pTaskInfo->code;
  }

  if (pTaskInfo->cost.start == 0) {
    pTaskInfo->cost.start = taosGetTimestampUs();
  }

  if (isTaskKilled(pTaskInfo)) {
    atomic_store_64(&pTaskInfo->owner, 0);
    qDebug("%s already killed, abort", GET_TASKID(pTaskInfo));
    return pTaskInfo->code;
  }

  // error occurs, record the error code and return to client
  int32_t ret = setjmp(pTaskInfo->env);
  if (ret != TSDB_CODE_SUCCESS) {
    pTaskInfo->code = ret;
    (void)cleanUpUdfs();

    qDebug("%s task abort due to error/cancel occurs, code:%s", GET_TASKID(pTaskInfo), tstrerror(pTaskInfo->code));
    atomic_store_64(&pTaskInfo->owner, 0);

    return pTaskInfo->code;
  }

  qDebug("%s execTask is launched", GET_TASKID(pTaskInfo));

  int32_t      current = 0;
  SSDataBlock* pRes = NULL;
  int64_t      st = taosGetTimestampUs();

  if (pTaskInfo->pOpParam && !pTaskInfo->paramSet) {
    pTaskInfo->paramSet = true;
    code = pTaskInfo->pRoot->fpSet.getNextExtFn(pTaskInfo->pRoot, pTaskInfo->pOpParam, &pRes);
  } else {
    code = pTaskInfo->pRoot->fpSet.getNextFn(pTaskInfo->pRoot, &pRes);
  }

  QUERY_CHECK_CODE(code, lino, _end);
  code = blockDataCheck(pRes);
  QUERY_CHECK_CODE(code, lino, _end);

  if (pRes == NULL) {
    st = taosGetTimestampUs();
  }

  int32_t rowsThreshold = pTaskInfo->pSubplan->rowsThreshold;
  if (!pTaskInfo->pSubplan->dynamicRowThreshold || 4096 <= pTaskInfo->pSubplan->rowsThreshold) {
    rowsThreshold = 4096;
  }

  int32_t blockIndex = 0;
  while (pRes != NULL) {
    SSDataBlock* p = NULL;
    if (blockIndex >= taosArrayGetSize(pTaskInfo->pResultBlockList)) {
      SSDataBlock* p1 = NULL;
      code = createOneDataBlock(pRes, true, &p1);
      QUERY_CHECK_CODE(code, lino, _end);

      void* tmp = taosArrayPush(pTaskInfo->pResultBlockList, &p1);
      QUERY_CHECK_NULL(tmp, code, lino, _end, TSDB_CODE_OUT_OF_MEMORY);
      p = p1;
    } else {
      void* tmp = taosArrayGet(pTaskInfo->pResultBlockList, blockIndex);
      QUERY_CHECK_NULL(tmp, code, lino, _end, terrno);

      p = *(SSDataBlock**)tmp;
      code = copyDataBlock(p, pRes);
      QUERY_CHECK_CODE(code, lino, _end);
    }

    blockIndex += 1;

    current += p->info.rows;
    QUERY_CHECK_CONDITION((p->info.rows > 0 || p->info.type == STREAM_CHECKPOINT), code, lino, _end,
                          TSDB_CODE_QRY_EXECUTOR_INTERNAL_ERROR);
    void* tmp = taosArrayPush(pResList, &p);
    QUERY_CHECK_NULL(tmp, code, lino, _end, terrno);

    if (current >= rowsThreshold) {
      break;
    }

    code = pTaskInfo->pRoot->fpSet.getNextFn(pTaskInfo->pRoot, &pRes);
    QUERY_CHECK_CODE(code, lino, _end);
    code = blockDataCheck(pRes);
    QUERY_CHECK_CODE(code, lino, _end);
  }

  if (pTaskInfo->pSubplan->dynamicRowThreshold) {
    pTaskInfo->pSubplan->rowsThreshold -= current;
  }

  *hasMore = (pRes != NULL);
  uint64_t el = (taosGetTimestampUs() - st);

  pTaskInfo->cost.elapsedTime += el;
  if (NULL == pRes) {
    *useconds = pTaskInfo->cost.elapsedTime;
  }

_end:
  (void)cleanUpUdfs();

  uint64_t total = pTaskInfo->pRoot->resultInfo.totalRows;
  qDebug("%s task suspended, %d rows in %d blocks returned, total:%" PRId64 " rows, in sinkNode:%d, elapsed:%.2f ms",
         GET_TASKID(pTaskInfo), current, (int32_t)taosArrayGetSize(pResList), total, 0, el / 1000.0);

  atomic_store_64(&pTaskInfo->owner, 0);
  if (code) {
    pTaskInfo->code = code;
    qError("%s failed at line %d since %s", __func__, lino, tstrerror(code));
  }

  return pTaskInfo->code;
}

void qCleanExecTaskBlockBuf(qTaskInfo_t tinfo) {
  SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
  SArray*        pList = pTaskInfo->pResultBlockList;
  size_t         num = taosArrayGetSize(pList);
  for (int32_t i = 0; i < num; ++i) {
    SSDataBlock** p = taosArrayGet(pTaskInfo->pResultBlockList, i);
    if (p) {
      blockDataDestroy(*p);
    }
  }

  taosArrayClear(pTaskInfo->pResultBlockList);
}

int32_t qExecTask(qTaskInfo_t tinfo, SSDataBlock** pRes, uint64_t* useconds) {
  SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
  int64_t        threadId = taosGetSelfPthreadId();
  int64_t        curOwner = 0;

  *pRes = NULL;

  // todo extract method
  taosRLockLatch(&pTaskInfo->lock);
  bool isKilled = isTaskKilled(pTaskInfo);
  if (isKilled) {
    clearStreamBlock(pTaskInfo->pRoot);
    qDebug("%s already killed, abort", GET_TASKID(pTaskInfo));

    taosRUnLockLatch(&pTaskInfo->lock);
    return pTaskInfo->code;
  }

  if (pTaskInfo->owner != 0) {
    qError("%s-%p execTask is now executed by thread:%p", GET_TASKID(pTaskInfo), pTaskInfo, (void*)curOwner);
    pTaskInfo->code = TSDB_CODE_QRY_IN_EXEC;

    taosRUnLockLatch(&pTaskInfo->lock);
    return pTaskInfo->code;
  }

  pTaskInfo->owner = threadId;
  taosRUnLockLatch(&pTaskInfo->lock);

  if (pTaskInfo->cost.start == 0) {
    pTaskInfo->cost.start = taosGetTimestampUs();
  }

  // error occurs, record the error code and return to client
  int32_t ret = setjmp(pTaskInfo->env);
  if (ret != TSDB_CODE_SUCCESS) {
    pTaskInfo->code = ret;
    (void)cleanUpUdfs();
    qDebug("%s task abort due to error/cancel occurs, code:%s", GET_TASKID(pTaskInfo), tstrerror(pTaskInfo->code));
    atomic_store_64(&pTaskInfo->owner, 0);
    return pTaskInfo->code;
  }

  qDebug("%s execTask is launched", GET_TASKID(pTaskInfo));

  int64_t st = taosGetTimestampUs();

  int32_t code = pTaskInfo->pRoot->fpSet.getNextFn(pTaskInfo->pRoot, pRes);
  if (code) {
    pTaskInfo->code = code;
    qError("%s failed at line %d, code:%s %s", __func__, __LINE__, tstrerror(code), GET_TASKID(pTaskInfo));
  }

  code = blockDataCheck(*pRes);
  if (code) {
    pTaskInfo->code = code;
    qError("%s failed at line %d, code:%s %s", __func__, __LINE__, tstrerror(code), GET_TASKID(pTaskInfo));
  }

  uint64_t el = (taosGetTimestampUs() - st);

  pTaskInfo->cost.elapsedTime += el;
  if (NULL == *pRes) {
    *useconds = pTaskInfo->cost.elapsedTime;
  }

  (void) cleanUpUdfs();

  int32_t  current = (*pRes != NULL) ? (*pRes)->info.rows : 0;
  uint64_t total = pTaskInfo->pRoot->resultInfo.totalRows;

  qDebug("%s task suspended, %d rows returned, total:%" PRId64 " rows, in sinkNode:%d, elapsed:%.2f ms",
         GET_TASKID(pTaskInfo), current, total, 0, el / 1000.0);

  atomic_store_64(&pTaskInfo->owner, 0);
  return pTaskInfo->code;
}

int32_t qAppendTaskStopInfo(SExecTaskInfo* pTaskInfo, SExchangeOpStopInfo* pInfo) {
  taosWLockLatch(&pTaskInfo->stopInfo.lock);
  void* tmp = taosArrayPush(pTaskInfo->stopInfo.pStopInfo, pInfo);
  taosWUnLockLatch(&pTaskInfo->stopInfo.lock);

  if (!tmp) {
    qError("%s failed at line %d since %s", __func__, __LINE__, tstrerror(TSDB_CODE_OUT_OF_MEMORY));
    return terrno;
  }
  return TSDB_CODE_SUCCESS;
}

int32_t stopInfoComp(void const* lp, void const* rp) {
  SExchangeOpStopInfo* key = (SExchangeOpStopInfo*)lp;
  SExchangeOpStopInfo* pInfo = (SExchangeOpStopInfo*)rp;

  if (key->refId < pInfo->refId) {
    return -1;
  } else if (key->refId > pInfo->refId) {
    return 1;
  }

  return 0;
}

void qRemoveTaskStopInfo(SExecTaskInfo* pTaskInfo, SExchangeOpStopInfo* pInfo) {
  taosWLockLatch(&pTaskInfo->stopInfo.lock);
  int32_t idx = taosArraySearchIdx(pTaskInfo->stopInfo.pStopInfo, pInfo, stopInfoComp, TD_EQ);
  if (idx >= 0) {
    taosArrayRemove(pTaskInfo->stopInfo.pStopInfo, idx);
  }
  taosWUnLockLatch(&pTaskInfo->stopInfo.lock);
}

void qStopTaskOperators(SExecTaskInfo* pTaskInfo) {
  taosWLockLatch(&pTaskInfo->stopInfo.lock);

  int32_t num = taosArrayGetSize(pTaskInfo->stopInfo.pStopInfo);
  for (int32_t i = 0; i < num; ++i) {
    SExchangeOpStopInfo* pStop = taosArrayGet(pTaskInfo->stopInfo.pStopInfo, i);
    if (!pStop) {
      qError("%s failed at line %d since %s", __func__, __LINE__, tstrerror(terrno));
      continue;
    }
    SExchangeInfo* pExchangeInfo = taosAcquireRef(exchangeObjRefPool, pStop->refId);
    if (pExchangeInfo) {
      int32_t code = tsem_post(&pExchangeInfo->ready);
      if (code != TSDB_CODE_SUCCESS) {
        qError("%s failed at line %d since %s", __func__, __LINE__, tstrerror(code));
      }
      code = taosReleaseRef(exchangeObjRefPool, pStop->refId);
      if (code != TSDB_CODE_SUCCESS) {
        qError("%s failed at line %d since %s", __func__, __LINE__, tstrerror(code));
      }
    }
  }

  taosWUnLockLatch(&pTaskInfo->stopInfo.lock);
}

int32_t qAsyncKillTask(qTaskInfo_t qinfo, int32_t rspCode) {
  SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)qinfo;
  if (pTaskInfo == NULL) {
    return TSDB_CODE_QRY_INVALID_QHANDLE;
  }

  qDebug("%s execTask async killed", GET_TASKID(pTaskInfo));

  setTaskKilled(pTaskInfo, rspCode);
  qStopTaskOperators(pTaskInfo);

  return TSDB_CODE_SUCCESS;
}

int32_t qKillTask(qTaskInfo_t tinfo, int32_t rspCode) {
  SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
  if (pTaskInfo == NULL) {
    return TSDB_CODE_QRY_INVALID_QHANDLE;
  }

  qDebug("%s sync killed execTask", GET_TASKID(pTaskInfo));
  setTaskKilled(pTaskInfo, TSDB_CODE_TSC_QUERY_KILLED);

  while (1) {
    taosWLockLatch(&pTaskInfo->lock);
    if (qTaskIsExecuting(pTaskInfo)) {  // let's wait for 100 ms and try again
      taosWUnLockLatch(&pTaskInfo->lock);
      taosMsleep(100);
    } else {  // not running now
      pTaskInfo->code = rspCode;
      taosWUnLockLatch(&pTaskInfo->lock);
      return TSDB_CODE_SUCCESS;
    }
  }
}

bool qTaskIsExecuting(qTaskInfo_t qinfo) {
  SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)qinfo;
  if (NULL == pTaskInfo) {
    return false;
  }

  return 0 != atomic_load_64(&pTaskInfo->owner);
}

static void printTaskExecCostInLog(SExecTaskInfo* pTaskInfo) {
  STaskCostInfo* pSummary = &pTaskInfo->cost;
  int64_t        idleTime = pSummary->start - pSummary->created;

  SFileBlockLoadRecorder* pRecorder = pSummary->pRecoder;
  if (pSummary->pRecoder != NULL) {
    qDebug(
        "%s :cost summary: idle:%.2f ms, elapsed time:%.2f ms, extract tableList:%.2f ms, "
        "createGroupIdMap:%.2f ms, total blocks:%d, "
        "load block SMA:%d, load data block:%d, total rows:%" PRId64 ", check rows:%" PRId64,
        GET_TASKID(pTaskInfo), idleTime / 1000.0, pSummary->elapsedTime / 1000.0, pSummary->extractListTime,
        pSummary->groupIdMapTime, pRecorder->totalBlocks, pRecorder->loadBlockStatis, pRecorder->loadBlocks,
        pRecorder->totalRows, pRecorder->totalCheckedRows);
  } else {
    qDebug("%s :cost summary: idle in queue:%.2f ms, elapsed time:%.2f ms", GET_TASKID(pTaskInfo), idleTime / 1000.0,
           pSummary->elapsedTime / 1000.0);
  }
}

void qDestroyTask(qTaskInfo_t qTaskHandle) {
  SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)qTaskHandle;
  if (pTaskInfo == NULL) {
    return;
  }

  if (pTaskInfo->pRoot != NULL) {
    qDebug("%s execTask completed, numOfRows:%" PRId64, GET_TASKID(pTaskInfo), pTaskInfo->pRoot->resultInfo.totalRows);
  } else {
    qDebug("%s execTask completed", GET_TASKID(pTaskInfo));
  }

  printTaskExecCostInLog(pTaskInfo);  // print the query cost summary
  doDestroyTask(pTaskInfo);
}

int32_t qGetExplainExecInfo(qTaskInfo_t tinfo, SArray* pExecInfoList) {
  SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
  return getOperatorExplainExecInfo(pTaskInfo->pRoot, pExecInfoList);
}

void qExtractStreamScanner(qTaskInfo_t tinfo, void** scanner) {
  SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
  SOperatorInfo* pOperator = pTaskInfo->pRoot;

  while (1) {
    uint16_t type = pOperator->operatorType;
    if (type == QUERY_NODE_PHYSICAL_PLAN_STREAM_SCAN) {
      *scanner = pOperator->info;
      break;
    } else {
      pOperator = pOperator->pDownstream[0];
    }
  }
}

int32_t qStreamSourceScanParamForHistoryScanStep1(qTaskInfo_t tinfo, SVersionRange* pVerRange, STimeWindow* pWindow) {
  int32_t        code = TSDB_CODE_SUCCESS;
  int32_t        lino = 0;
  SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
  QUERY_CHECK_CONDITION((pTaskInfo->execModel == OPTR_EXEC_MODEL_STREAM), code, lino, _end,
                        TSDB_CODE_QRY_EXECUTOR_INTERNAL_ERROR);

  SStreamTaskInfo* pStreamInfo = &pTaskInfo->streamInfo;

  pStreamInfo->fillHistoryVer = *pVerRange;
  pStreamInfo->fillHistoryWindow = *pWindow;
  pStreamInfo->recoverStep = STREAM_RECOVER_STEP__PREPARE1;

  qDebug("%s step 1. set param for stream scanner for scan-history data, verRange:%" PRId64 " - %" PRId64
         ", window:%" PRId64 " - %" PRId64,
         GET_TASKID(pTaskInfo), pStreamInfo->fillHistoryVer.minVer, pStreamInfo->fillHistoryVer.maxVer, pWindow->skey,
         pWindow->ekey);
_end:
  if (code != TSDB_CODE_SUCCESS) {
    qError("%s failed at line %d since %s", __func__, lino, tstrerror(code));
  }
  return code;
}

int32_t qStreamSourceScanParamForHistoryScanStep2(qTaskInfo_t tinfo, SVersionRange* pVerRange, STimeWindow* pWindow) {
  int32_t        code = TSDB_CODE_SUCCESS;
  int32_t        lino = 0;
  SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
  QUERY_CHECK_CONDITION((pTaskInfo->execModel == OPTR_EXEC_MODEL_STREAM), code, lino, _end,
                        TSDB_CODE_QRY_EXECUTOR_INTERNAL_ERROR);

  SStreamTaskInfo* pStreamInfo = &pTaskInfo->streamInfo;

  pStreamInfo->fillHistoryVer = *pVerRange;
  pStreamInfo->fillHistoryWindow = *pWindow;
  pStreamInfo->recoverStep = STREAM_RECOVER_STEP__PREPARE2;

  qDebug("%s step 2. set param for stream scanner scan wal, verRange:%" PRId64 "-%" PRId64 ", window:%" PRId64
         "-%" PRId64,
         GET_TASKID(pTaskInfo), pStreamInfo->fillHistoryVer.minVer, pStreamInfo->fillHistoryVer.maxVer, pWindow->skey,
         pWindow->ekey);
_end:
  if (code != TSDB_CODE_SUCCESS) {
    qError("%s failed at line %d since %s", __func__, lino, tstrerror(code));
  }
  return code;
}

int32_t qStreamRecoverFinish(qTaskInfo_t tinfo) {
  int32_t        code = TSDB_CODE_SUCCESS;
  int32_t        lino = 0;
  SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
  QUERY_CHECK_CONDITION((pTaskInfo->execModel == OPTR_EXEC_MODEL_STREAM), code, lino, _end,
                        TSDB_CODE_QRY_EXECUTOR_INTERNAL_ERROR);
  pTaskInfo->streamInfo.recoverStep = STREAM_RECOVER_STEP__NONE;

_end:
  if (code != TSDB_CODE_SUCCESS) {
    qError("%s failed at line %d since %s", __func__, lino, tstrerror(code));
  }
  return code;
}

static int32_t getOpratorIntervalInfo(SOperatorInfo* pOperator, int64_t* pWaterMark, SInterval* pInterval, STimeWindow* pLastWindow) {
  if (pOperator->operatorType != QUERY_NODE_PHYSICAL_PLAN_STREAM_SCAN) {
    return getOpratorIntervalInfo(pOperator->pDownstream[0], pWaterMark, pInterval, pLastWindow);
  }
  SStreamScanInfo* pScanOp = (SStreamScanInfo*) pOperator->info;
  *pWaterMark = pScanOp->twAggSup.waterMark;
  *pInterval = pScanOp->interval;
  *pLastWindow = pScanOp->lastScanRange;
  return TSDB_CODE_SUCCESS; 
}

int32_t qGetStreamIntervalExecInfo(qTaskInfo_t tinfo, int64_t* pWaterMark, SInterval* pInterval, STimeWindow* pLastWindow) {
  SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
  SOperatorInfo* pOperator = pTaskInfo->pRoot;
  return getOpratorIntervalInfo(pOperator, pWaterMark, pInterval, pLastWindow);
}

int32_t qSetStreamOperatorOptionForScanHistory(qTaskInfo_t tinfo) {
  SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
  SOperatorInfo* pOperator = pTaskInfo->pRoot;

  while (1) {
    int32_t type = pOperator->operatorType;
    if (type == QUERY_NODE_PHYSICAL_PLAN_STREAM_INTERVAL || type == QUERY_NODE_PHYSICAL_PLAN_STREAM_SEMI_INTERVAL ||
        type == QUERY_NODE_PHYSICAL_PLAN_STREAM_FINAL_INTERVAL ||
        type == QUERY_NODE_PHYSICAL_PLAN_STREAM_MID_INTERVAL) {
      SStreamIntervalOperatorInfo* pInfo = pOperator->info;
      STimeWindowAggSupp*          pSup = &pInfo->twAggSup;

      qInfo("save stream param for interval: %d,  %" PRId64, pSup->calTrigger, pSup->deleteMark);

      pSup->calTriggerSaved = pSup->calTrigger;
      pSup->deleteMarkSaved = pSup->deleteMark;
      pSup->calTrigger = STREAM_TRIGGER_AT_ONCE;
      pSup->deleteMark = INT64_MAX;
      pInfo->ignoreExpiredDataSaved = pInfo->ignoreExpiredData;
      pInfo->ignoreExpiredData = false;
    } else if (type == QUERY_NODE_PHYSICAL_PLAN_STREAM_SESSION ||
               type == QUERY_NODE_PHYSICAL_PLAN_STREAM_SEMI_SESSION ||
               type == QUERY_NODE_PHYSICAL_PLAN_STREAM_FINAL_SESSION) {
      SStreamSessionAggOperatorInfo* pInfo = pOperator->info;
      STimeWindowAggSupp*            pSup = &pInfo->twAggSup;

      qInfo("save stream param for session: %d,  %" PRId64, pSup->calTrigger, pSup->deleteMark);

      pSup->calTriggerSaved = pSup->calTrigger;
      pSup->deleteMarkSaved = pSup->deleteMark;
      pSup->calTrigger = STREAM_TRIGGER_AT_ONCE;
      pSup->deleteMark = INT64_MAX;
      pInfo->ignoreExpiredDataSaved = pInfo->ignoreExpiredData;
      pInfo->ignoreExpiredData = false;
    } else if (type == QUERY_NODE_PHYSICAL_PLAN_STREAM_STATE) {
      SStreamStateAggOperatorInfo* pInfo = pOperator->info;
      STimeWindowAggSupp*          pSup = &pInfo->twAggSup;

      qInfo("save stream param for state: %d,  %" PRId64, pSup->calTrigger, pSup->deleteMark);

      pSup->calTriggerSaved = pSup->calTrigger;
      pSup->deleteMarkSaved = pSup->deleteMark;
      pSup->calTrigger = STREAM_TRIGGER_AT_ONCE;
      pSup->deleteMark = INT64_MAX;
      pInfo->ignoreExpiredDataSaved = pInfo->ignoreExpiredData;
      pInfo->ignoreExpiredData = false;
    } else if (type == QUERY_NODE_PHYSICAL_PLAN_STREAM_EVENT) {
      SStreamEventAggOperatorInfo* pInfo = pOperator->info;
      STimeWindowAggSupp*          pSup = &pInfo->twAggSup;

      qInfo("save stream param for state: %d,  %" PRId64, pSup->calTrigger, pSup->deleteMark);

      pSup->calTriggerSaved = pSup->calTrigger;
      pSup->deleteMarkSaved = pSup->deleteMark;
      pSup->calTrigger = STREAM_TRIGGER_AT_ONCE;
      pSup->deleteMark = INT64_MAX;
      pInfo->ignoreExpiredDataSaved = pInfo->ignoreExpiredData;
      pInfo->ignoreExpiredData = false;
    } else if (type == QUERY_NODE_PHYSICAL_PLAN_STREAM_COUNT) {
      SStreamCountAggOperatorInfo* pInfo = pOperator->info;
      STimeWindowAggSupp*          pSup = &pInfo->twAggSup;

      qInfo("save stream param for state: %d,  %" PRId64, pSup->calTrigger, pSup->deleteMark);

      pSup->calTriggerSaved = pSup->calTrigger;
      pSup->deleteMarkSaved = pSup->deleteMark;
      pSup->calTrigger = STREAM_TRIGGER_AT_ONCE;
      pSup->deleteMark = INT64_MAX;
      pInfo->ignoreExpiredDataSaved = pInfo->ignoreExpiredData;
      pInfo->ignoreExpiredData = false;
      qInfo("save stream task:%s, param for state: %d", GET_TASKID(pTaskInfo), pInfo->ignoreExpiredData);
    } else if (type == QUERY_NODE_PHYSICAL_PLAN_STREAM_INTERP_FUNC) {
      SStreamTimeSliceOperatorInfo* pInfo = pOperator->info;
      STimeWindowAggSupp*           pSup = &pInfo->twAggSup;

      qInfo("save stream param for state: %d,  %" PRId64, pSup->calTrigger, pSup->deleteMark);

      pSup->calTriggerSaved = pSup->calTrigger;
      pSup->deleteMarkSaved = pSup->deleteMark;
      pSup->calTrigger = STREAM_TRIGGER_AT_ONCE;
      pSup->deleteMark = INT64_MAX;
      pInfo->ignoreExpiredDataSaved = pInfo->ignoreExpiredData;
      pInfo->ignoreExpiredData = false;
      qInfo("save stream task:%s, param for state: %d", GET_TASKID(pTaskInfo), pInfo->ignoreExpiredData);
    }

    // iterate operator tree
    if (pOperator->numOfDownstream != 1 || pOperator->pDownstream[0] == NULL) {
      if (pOperator->numOfDownstream > 1) {
        qError("unexpected stream, multiple downstream");
        return -1;
      }
      return 0;
    } else {
      pOperator = pOperator->pDownstream[0];
    }
  }

  return 0;
}

bool qStreamScanhistoryFinished(qTaskInfo_t tinfo) {
  SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
  return pTaskInfo->streamInfo.recoverScanFinished;
}

int32_t qStreamInfoResetTimewindowFilter(qTaskInfo_t tinfo) {
  SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
  STimeWindow*   pWindow = &pTaskInfo->streamInfo.fillHistoryWindow;

  qDebug("%s remove timeWindow filter:%" PRId64 "-%" PRId64 ", set new window:%" PRId64 "-%" PRId64,
         GET_TASKID(pTaskInfo), pWindow->skey, pWindow->ekey, INT64_MIN, INT64_MAX);

  pWindow->skey = INT64_MIN;
  pWindow->ekey = INT64_MAX;
  return 0;
}

void* qExtractReaderFromStreamScanner(void* scanner) {
  SStreamScanInfo* pInfo = scanner;
  return (void*)pInfo->tqReader;
}

const SSchemaWrapper* qExtractSchemaFromTask(qTaskInfo_t tinfo) {
  SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
  return pTaskInfo->streamInfo.schema;
}

const char* qExtractTbnameFromTask(qTaskInfo_t tinfo) {
  SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
  return pTaskInfo->streamInfo.tbName;
}

SMqBatchMetaRsp* qStreamExtractMetaMsg(qTaskInfo_t tinfo) {
  SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
  return &pTaskInfo->streamInfo.btMetaRsp;
}

int32_t qStreamExtractOffset(qTaskInfo_t tinfo, STqOffsetVal* pOffset) {
  SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
  tOffsetCopy(pOffset, &pTaskInfo->streamInfo.currentOffset);
  return 0;
  /*if (code != TSDB_CODE_SUCCESS) {
    qError("%s failed at line %d since %s", __func__, __LINE__, tstrerror(code));
    pTaskInfo->code = code;
    T_LONG_JMP(pTaskInfo->env, code);
  }*/
}

int32_t initQueryTableDataCondForTmq(SQueryTableDataCond* pCond, SSnapContext* sContext, SMetaTableInfo* pMtInfo) {
  memset(pCond, 0, sizeof(SQueryTableDataCond));
  pCond->order = TSDB_ORDER_ASC;
  pCond->numOfCols = pMtInfo->schema->nCols;
  pCond->colList = taosMemoryCalloc(pCond->numOfCols, sizeof(SColumnInfo));
  pCond->pSlotList = taosMemoryMalloc(sizeof(int32_t) * pCond->numOfCols);
  if (pCond->colList == NULL || pCond->pSlotList == NULL) {
    taosMemoryFreeClear(pCond->colList);
    taosMemoryFreeClear(pCond->pSlotList);
    return terrno;
  }

  pCond->twindows = TSWINDOW_INITIALIZER;
  pCond->suid = pMtInfo->suid;
  pCond->type = TIMEWINDOW_RANGE_CONTAINED;
  pCond->startVersion = -1;
  pCond->endVersion = sContext->snapVersion;

  for (int32_t i = 0; i < pCond->numOfCols; ++i) {
    SColumnInfo* pColInfo = &pCond->colList[i];
    pColInfo->type = pMtInfo->schema->pSchema[i].type;
    pColInfo->bytes = pMtInfo->schema->pSchema[i].bytes;
    pColInfo->colId = pMtInfo->schema->pSchema[i].colId;
    pColInfo->pk = pMtInfo->schema->pSchema[i].flags & COL_IS_KEY;

    pCond->pSlotList[i] = i;
  }

  return TSDB_CODE_SUCCESS;
}

void qStreamSetOpen(qTaskInfo_t tinfo) {
  SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
  SOperatorInfo* pOperator = pTaskInfo->pRoot;
  pOperator->status = OP_NOT_OPENED;
}

void qStreamSetSourceExcluded(qTaskInfo_t tinfo, int8_t sourceExcluded) {
  SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
  pTaskInfo->streamInfo.sourceExcluded = sourceExcluded;
}

int32_t qStreamPrepareScan(qTaskInfo_t tinfo, STqOffsetVal* pOffset, int8_t subType) {
  int32_t        code = TSDB_CODE_SUCCESS;
  SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
  SStorageAPI*   pAPI = &pTaskInfo->storageAPI;

  SOperatorInfo* pOperator = pTaskInfo->pRoot;
  const char*    id = GET_TASKID(pTaskInfo);

  if (subType == TOPIC_SUB_TYPE__COLUMN && pOffset->type == TMQ_OFFSET__LOG) {
    code = extractOperatorInTree(pOperator, QUERY_NODE_PHYSICAL_PLAN_STREAM_SCAN, id, &pOperator);
    if (pOperator == NULL || code != 0) {
      return code;
    }

    SStreamScanInfo* pInfo = pOperator->info;
    SStoreTqReader*  pReaderAPI = &pTaskInfo->storageAPI.tqReaderFn;
    SWalReader*      pWalReader = pReaderAPI->tqReaderGetWalReader(pInfo->tqReader);
    walReaderVerifyOffset(pWalReader, pOffset);
  }
  // if pOffset equal to current offset, means continue consume
  if (tOffsetEqual(pOffset, &pTaskInfo->streamInfo.currentOffset)) {
    return 0;
  }

  if (subType == TOPIC_SUB_TYPE__COLUMN) {
    code = extractOperatorInTree(pOperator, QUERY_NODE_PHYSICAL_PLAN_STREAM_SCAN, id, &pOperator);
    if (pOperator == NULL || code != 0) {
      return code;
    }

    SStreamScanInfo* pInfo = pOperator->info;
    STableScanInfo*  pScanInfo = pInfo->pTableScanOp->info;
    STableScanBase*  pScanBaseInfo = &pScanInfo->base;
    STableListInfo*  pTableListInfo = pScanBaseInfo->pTableListInfo;

    if (pOffset->type == TMQ_OFFSET__LOG) {
      pTaskInfo->storageAPI.tsdReader.tsdReaderClose(pScanBaseInfo->dataReader);
      pScanBaseInfo->dataReader = NULL;

      SStoreTqReader* pReaderAPI = &pTaskInfo->storageAPI.tqReaderFn;
      SWalReader*     pWalReader = pReaderAPI->tqReaderGetWalReader(pInfo->tqReader);
      walReaderVerifyOffset(pWalReader, pOffset);
      code = pReaderAPI->tqReaderSeek(pInfo->tqReader, pOffset->version, id);
      if (code < 0) {
        qError("tqReaderSeek failed ver:%" PRId64 ", %s", pOffset->version, id);
        return code;
      }
    } else if (pOffset->type == TMQ_OFFSET__SNAPSHOT_DATA) {
      // iterate all tables from tableInfoList, and retrieve rows from each table one-by-one
      // those data are from the snapshot in tsdb, besides the data in the wal file.
      int64_t uid = pOffset->uid;
      int64_t ts = pOffset->ts;
      int32_t index = 0;

      // this value may be changed if new tables are created
      taosRLockLatch(&pTaskInfo->lock);
      int32_t numOfTables = 0;
      code = tableListGetSize(pTableListInfo, &numOfTables);
      if (code != TSDB_CODE_SUCCESS) {
        qError("%s failed at line %d since %s", __func__, __LINE__, tstrerror(code));
        taosRUnLockLatch(&pTaskInfo->lock);
        return code;
      }

      if (uid == 0) {
        if (numOfTables != 0) {
          STableKeyInfo* tmp = tableListGetInfo(pTableListInfo, 0);
          if (!tmp) {
            qError("%s failed at line %d since %s", __func__, __LINE__, tstrerror(terrno));
            taosRUnLockLatch(&pTaskInfo->lock);
            return terrno;
          }
          if (tmp) uid = tmp->uid;
          ts = INT64_MIN;
          pScanInfo->currentTable = 0;
        } else {
          taosRUnLockLatch(&pTaskInfo->lock);
          qError("no table in table list, %s", id);
          return TSDB_CODE_TMQ_NO_TABLE_QUALIFIED;
        }
      }
      pTaskInfo->storageAPI.tqReaderFn.tqSetTablePrimaryKey(pInfo->tqReader, uid);

      qDebug("switch to table uid:%" PRId64 " ts:%" PRId64 "% " PRId64 " rows returned", uid, ts,
             pInfo->pTableScanOp->resultInfo.totalRows);
      pInfo->pTableScanOp->resultInfo.totalRows = 0;

      // start from current accessed position
      // we cannot start from the pScanInfo->currentTable, since the commit offset may cause the rollback of the start
      // position, let's find it from the beginning.
      index = tableListFind(pTableListInfo, uid, 0);
      taosRUnLockLatch(&pTaskInfo->lock);

      if (index >= 0) {
        pScanInfo->currentTable = index;
      } else {
        qError("vgId:%d uid:%" PRIu64 " not found in table list, total:%d, index:%d %s", pTaskInfo->id.vgId, uid,
               numOfTables, pScanInfo->currentTable, id);
        return TSDB_CODE_TMQ_NO_TABLE_QUALIFIED;
      }

      STableKeyInfo keyInfo = {.uid = uid};
      int64_t       oldSkey = pScanBaseInfo->cond.twindows.skey;

      // let's start from the next ts that returned to consumer.
      if (pTaskInfo->storageAPI.tqReaderFn.tqGetTablePrimaryKey(pInfo->tqReader)) {
        pScanBaseInfo->cond.twindows.skey = ts;
      } else {
        pScanBaseInfo->cond.twindows.skey = ts + 1;
      }
      pScanInfo->scanTimes = 0;

      if (pScanBaseInfo->dataReader == NULL) {
        code = pTaskInfo->storageAPI.tsdReader.tsdReaderOpen(pScanBaseInfo->readHandle.vnode, &pScanBaseInfo->cond,
                                                             &keyInfo, 1, pScanInfo->pResBlock,
                                                             (void**)&pScanBaseInfo->dataReader, id, NULL);
        if (code != TSDB_CODE_SUCCESS) {
          qError("prepare read tsdb snapshot failed, uid:%" PRId64 ", code:%s %s", pOffset->uid, tstrerror(code), id);
          return code;
        }

        qDebug("tsdb reader created with offset(snapshot) uid:%" PRId64 " ts:%" PRId64 " table index:%d, total:%d, %s",
               uid, pScanBaseInfo->cond.twindows.skey, pScanInfo->currentTable, numOfTables, id);
      } else {
        code = pTaskInfo->storageAPI.tsdReader.tsdSetQueryTableList(pScanBaseInfo->dataReader, &keyInfo, 1);
        if (code != TSDB_CODE_SUCCESS) {
          qError("%s failed at line %d since %s", __func__, __LINE__, tstrerror(code));
          return code;
        }

        code = pTaskInfo->storageAPI.tsdReader.tsdReaderResetStatus(pScanBaseInfo->dataReader, &pScanBaseInfo->cond);
        if (code != TSDB_CODE_SUCCESS) {
          qError("%s failed at line %d since %s", __func__, __LINE__, tstrerror(code));
          return code;
        }
        qDebug("tsdb reader offset seek snapshot to uid:%" PRId64 " ts %" PRId64 "  table index:%d numOfTable:%d, %s",
               uid, pScanBaseInfo->cond.twindows.skey, pScanInfo->currentTable, numOfTables, id);
      }

      // restore the key value
      pScanBaseInfo->cond.twindows.skey = oldSkey;
    } else {
      qError("invalid pOffset->type:%d, %s", pOffset->type, id);
      return TSDB_CODE_PAR_INTERNAL_ERROR;
    }

  } else {  // subType == TOPIC_SUB_TYPE__TABLE/TOPIC_SUB_TYPE__DB
    if (pOffset->type == TMQ_OFFSET__SNAPSHOT_DATA) {
      SStreamRawScanInfo* pInfo = pOperator->info;
      SSnapContext*       sContext = pInfo->sContext;
      SOperatorInfo*      p = NULL;

      code = extractOperatorInTree(pOperator, QUERY_NODE_PHYSICAL_PLAN_TABLE_SCAN, id, &p);
      if (code != 0) {
        return code;
      }

      STableListInfo* pTableListInfo = ((SStreamRawScanInfo*)(p->info))->pTableListInfo;

      if (pAPI->snapshotFn.setForSnapShot(sContext, pOffset->uid) != 0) {
        qError("setDataForSnapShot error. uid:%" PRId64 " , %s", pOffset->uid, id);
        return TSDB_CODE_PAR_INTERNAL_ERROR;
      }

      SMetaTableInfo mtInfo = {0};
      code = pTaskInfo->storageAPI.snapshotFn.getMetaTableInfoFromSnapshot(sContext, &mtInfo);
      if (code != 0) {
        return code;
      }
      pTaskInfo->storageAPI.tsdReader.tsdReaderClose(pInfo->dataReader);
      pInfo->dataReader = NULL;

      cleanupQueryTableDataCond(&pTaskInfo->streamInfo.tableCond);
      tableListClear(pTableListInfo);

      if (mtInfo.uid == 0) {
        tDeleteSchemaWrapper(mtInfo.schema);
        goto end;  // no data
      }

      pAPI->snapshotFn.taosXSetTablePrimaryKey(sContext, mtInfo.uid);
      code = initQueryTableDataCondForTmq(&pTaskInfo->streamInfo.tableCond, sContext, &mtInfo);
      if (code != TSDB_CODE_SUCCESS) {
        qError("%s failed at line %d since %s", __func__, __LINE__, tstrerror(code));
        tDeleteSchemaWrapper(mtInfo.schema);
        return code;
      }
      if (pAPI->snapshotFn.taosXGetTablePrimaryKey(sContext)) {
        pTaskInfo->streamInfo.tableCond.twindows.skey = pOffset->ts;
      } else {
        pTaskInfo->streamInfo.tableCond.twindows.skey = pOffset->ts + 1;
      }

      code = tableListAddTableInfo(pTableListInfo, mtInfo.uid, 0);
      if (code != TSDB_CODE_SUCCESS) {
        tDeleteSchemaWrapper(mtInfo.schema);
        qError("%s failed at line %d since %s", __func__, __LINE__, tstrerror(code));
        return code;
      }

      STableKeyInfo* pList = tableListGetInfo(pTableListInfo, 0);
      if (!pList) {
        qError("%s failed at line %d since %s", __func__, __LINE__, tstrerror(code));
        tDeleteSchemaWrapper(mtInfo.schema);
        return code;
      }
      int32_t size = 0;
      code = tableListGetSize(pTableListInfo, &size);
      if (code != TSDB_CODE_SUCCESS) {
        qError("%s failed at line %d since %s", __func__, __LINE__, tstrerror(code));
        tDeleteSchemaWrapper(mtInfo.schema);
        return code;
      }

      code = pTaskInfo->storageAPI.tsdReader.tsdReaderOpen(pInfo->vnode, &pTaskInfo->streamInfo.tableCond, pList, size,
                                                           NULL, (void**)&pInfo->dataReader, NULL, NULL);
      if (code != TSDB_CODE_SUCCESS) {
        qError("%s failed at line %d since %s", __func__, __LINE__, tstrerror(code));
        tDeleteSchemaWrapper(mtInfo.schema);
        return code;
      }

      cleanupQueryTableDataCond(&pTaskInfo->streamInfo.tableCond);
      tstrncpy(pTaskInfo->streamInfo.tbName, mtInfo.tbName, TSDB_TABLE_NAME_LEN);
//      pTaskInfo->streamInfo.suid = mtInfo.suid == 0 ? mtInfo.uid : mtInfo.suid;
      tDeleteSchemaWrapper(pTaskInfo->streamInfo.schema);
      pTaskInfo->streamInfo.schema = mtInfo.schema;

      qDebug("tmqsnap qStreamPrepareScan snapshot data uid:%" PRId64 " ts %" PRId64 " %s", mtInfo.uid, pOffset->ts, id);
    } else if (pOffset->type == TMQ_OFFSET__SNAPSHOT_META) {
      SStreamRawScanInfo* pInfo = pOperator->info;
      SSnapContext*       sContext = pInfo->sContext;
      code = pTaskInfo->storageAPI.snapshotFn.setForSnapShot(sContext, pOffset->uid);
      if (code != 0) {
        qError("setForSnapShot error. uid:%" PRIu64 " ,version:%" PRId64, pOffset->uid, pOffset->version);
        return code;
      }
      qDebug("tmqsnap qStreamPrepareScan snapshot meta uid:%" PRId64 " ts %" PRId64 " %s", pOffset->uid, pOffset->ts,
             id);
    } else if (pOffset->type == TMQ_OFFSET__LOG) {
      SStreamRawScanInfo* pInfo = pOperator->info;
      pTaskInfo->storageAPI.tsdReader.tsdReaderClose(pInfo->dataReader);
      pInfo->dataReader = NULL;
      qDebug("tmqsnap qStreamPrepareScan snapshot log, %s", id);
    }
  }

end:
  tOffsetCopy(&pTaskInfo->streamInfo.currentOffset, pOffset);
  return 0;
}

void qProcessRspMsg(void* parent, SRpcMsg* pMsg, SEpSet* pEpSet) {
  SMsgSendInfo* pSendInfo = (SMsgSendInfo*)pMsg->info.ahandle;
  if (pMsg->info.ahandle == NULL) {
    qError("pMsg->info.ahandle is NULL");
    return;
  }

  SDataBuf buf = {.len = pMsg->contLen, .pData = NULL};

  if (pMsg->contLen > 0) {
    buf.pData = taosMemoryCalloc(1, pMsg->contLen);
    if (buf.pData == NULL) {
      terrno = TSDB_CODE_OUT_OF_MEMORY;
      pMsg->code = TSDB_CODE_OUT_OF_MEMORY;
    } else {
      memcpy(buf.pData, pMsg->pCont, pMsg->contLen);
    }
  }

  (void)pSendInfo->fp(pSendInfo->param, &buf, pMsg->code);
  rpcFreeCont(pMsg->pCont);
  destroySendMsgInfo(pSendInfo);
}

SArray* qGetQueriedTableListInfo(qTaskInfo_t tinfo) {
  int32_t        code = TSDB_CODE_SUCCESS;
  int32_t        lino = 0;
  SExecTaskInfo* pTaskInfo = tinfo;
  SArray*        plist = NULL;

  code = getTableListInfo(pTaskInfo, &plist);
  if (code || plist == NULL) {
    code = TSDB_CODE_OUT_OF_MEMORY;
    return NULL;
  }

  // only extract table in the first elements
  STableListInfo* pTableListInfo = taosArrayGetP(plist, 0);

  SArray* pUidList = taosArrayInit(10, sizeof(uint64_t));
  QUERY_CHECK_NULL(pUidList, code, lino, _end, terrno);

  int32_t numOfTables = 0;
  code = tableListGetSize(pTableListInfo, &numOfTables);
  QUERY_CHECK_CODE(code, lino, _end);

  for (int32_t i = 0; i < numOfTables; ++i) {
    STableKeyInfo* pKeyInfo = tableListGetInfo(pTableListInfo, i);
    QUERY_CHECK_NULL(pKeyInfo, code, lino, _end, terrno);
    void* tmp = taosArrayPush(pUidList, &pKeyInfo->uid);
    QUERY_CHECK_NULL(tmp, code, lino, _end, terrno);
  }

  taosArrayDestroy(plist);

_end:
  if (code != TSDB_CODE_SUCCESS) {
    qError("%s failed at line %d since %s", __func__, lino, tstrerror(code));
    T_LONG_JMP(pTaskInfo->env, code);
  }
  return pUidList;
}

static int32_t extractTableList(SArray* pList, const SOperatorInfo* pOperator) {
  int32_t        code = TSDB_CODE_SUCCESS;
  int32_t        lino = 0;
  SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;

  if (pOperator->operatorType == QUERY_NODE_PHYSICAL_PLAN_STREAM_SCAN) {
    SStreamScanInfo* pScanInfo = pOperator->info;
    STableScanInfo*  pTableScanInfo = pScanInfo->pTableScanOp->info;

    void* tmp = taosArrayPush(pList, &pTableScanInfo->base.pTableListInfo);
    QUERY_CHECK_NULL(tmp, code, lino, _end, terrno);
  } else if (pOperator->operatorType == QUERY_NODE_PHYSICAL_PLAN_TABLE_SCAN) {
    STableScanInfo* pScanInfo = pOperator->info;

    void* tmp = taosArrayPush(pList, &pScanInfo->base.pTableListInfo);
    QUERY_CHECK_NULL(tmp, code, lino, _end, terrno);
  } else {
    if (pOperator->pDownstream != NULL && pOperator->pDownstream[0] != NULL) {
      code = extractTableList(pList, pOperator->pDownstream[0]);
    }
  }

_end:
  if (code != TSDB_CODE_SUCCESS) {
    qError("%s %s failed at line %d since %s", pTaskInfo->id.str, __func__, lino, tstrerror(code));
  }
  return code;
}

int32_t getTableListInfo(const SExecTaskInfo* pTaskInfo, SArray** pList) {
  if (pList == NULL) {
    return TSDB_CODE_INVALID_PARA;
  }

  *pList = NULL;
  SArray* pArray = taosArrayInit(0, POINTER_BYTES);
  if (pArray == NULL) {
    return terrno;
  }

  int32_t code = extractTableList(pArray, pTaskInfo->pRoot);
  if (code == 0) {
    *pList = pArray;
  } else {
    taosArrayDestroy(pArray);
  }
  return code;
}

int32_t qStreamOperatorReleaseState(qTaskInfo_t tInfo) {
  SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tInfo;
  if (pTaskInfo->pRoot->fpSet.releaseStreamStateFn != NULL) {
    pTaskInfo->pRoot->fpSet.releaseStreamStateFn(pTaskInfo->pRoot);
  }
  return 0;
}

int32_t qStreamOperatorReloadState(qTaskInfo_t tInfo) {
  SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tInfo;
  if (pTaskInfo->pRoot->fpSet.reloadStreamStateFn != NULL) {
    pTaskInfo->pRoot->fpSet.reloadStreamStateFn(pTaskInfo->pRoot);
  }
  return 0;
}

void qResetTaskCode(qTaskInfo_t tinfo) {
  SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;

  int32_t code = pTaskInfo->code;
  pTaskInfo->code = 0;
  qDebug("0x%" PRIx64 " reset task code to be success, prev:%s", pTaskInfo->id.taskId, tstrerror(code));
}

taosdata / TDengine / #3530

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