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fix(query): if one vgroup has no tables, query against this vgroup will receive unexpected error.

This commit is contained in:
Haojun Liao 2022-04-21 17:43:46 +08:00
parent e14142d114
commit a6e8ad6e4a
2 changed files with 3 additions and 6 deletions
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3
source/libs/executor/src/executorimpl.c
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@ -6487,9 +6487,6 @@ SOperatorInfo* createOperatorTree(SPhysiNode* pPhyNode, SExecTaskInfo* pTaskInfo
int32_t numOfCols = 0;
tsdbReaderT pDataReader = doCreateDataReader(pTableScanNode, pHandle, pTableGroupInfo, (uint64_t)queryId, taskId);
if (pDataReader == NULL) {
return NULL;
}
SArray* pColList = extractColMatchInfo(pScanPhyNode->pScanCols, pScanPhyNode->node.pOutputDataBlockDesc, &numOfCols);
SSDataBlock* pResBlock = createResDataBlock(pScanPhyNode->node.pOutputDataBlockDesc);

6
source/libs/executor/src/scanoperator.c
View File

@ -320,7 +320,7 @@ static SSDataBlock* doTableScan(SOperatorInfo* pOperator, bool* newgroup) {
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
// The read handle is not initialized yet, since no qualified tables exists
if (pTableScanInfo->dataReader == NULL) {
if (pTableScanInfo->dataReader == NULL || pOperator->status == OP_EXEC_DONE) {
return NULL;
}
@ -376,7 +376,7 @@ static SSDataBlock* doTableScan(SOperatorInfo* pOperator, bool* newgroup) {
return p;
}
SOperatorInfo* createTableScanOperatorInfo(void* pTsdbReadHandle, int32_t order, int32_t numOfOutput, int32_t dataLoadFlag,
SOperatorInfo* createTableScanOperatorInfo(void* pDataReader, int32_t order, int32_t numOfOutput, int32_t dataLoadFlag,
int32_t repeatTime, int32_t reverseTime, SArray* pColMatchInfo, SSDataBlock* pResBlock,
SNode* pCondition, SInterval* pInterval, double sampleRatio, SExecTaskInfo* pTaskInfo) {
assert(repeatTime > 0);
@ -396,7 +396,7 @@ SOperatorInfo* createTableScanOperatorInfo(void* pTsdbReadHandle, int32_t order,
pInfo->dataBlockLoadFlag= dataLoadFlag;
pInfo->pResBlock = pResBlock;
pInfo->pFilterNode = pCondition;
pInfo->dataReader = pTsdbReadHandle;
pInfo->dataReader = pDataReader;
pInfo->times = repeatTime;
pInfo->reverseTimes = reverseTime;
pInfo->order = order;