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fix(query): avoid the output result overlap within the project operator buffer.

This commit is contained in:
Haojun Liao 2022-04-18 19:27:41 +08:00
parent 9864e367bb
commit 9d1a9d9510
2 changed files with 30 additions and 12 deletions
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1
source/common/src/tdatablock.c
View File

@ -203,6 +203,7 @@ int32_t colDataMergeCol(SColumnInfoData* pColumnInfoData, uint32_t numOfRow1, co
if (pSource->hasNull) {
pColumnInfoData->hasNull = pSource->hasNull;
}
if (IS_VAR_DATA_TYPE(pColumnInfoData->info.type)) {
// Handle the bitmap
char* p = taosMemoryRealloc(pColumnInfoData->varmeta.offset, sizeof(int32_t) * (numOfRow1 + numOfRow2));

41
source/libs/executor/src/executorimpl.c
View File

@ -1171,31 +1171,43 @@ void projectApplyFunctions(SExprInfo* pExpr, SSDataBlock* pResult, SSDataBlock*
setPseudoOutputColInfo(pResult, pCtx, pPseudoList);
pResult->info.groupId = pSrcBlock->info.groupId;
int32_t numOfRows = 0;
for (int32_t k = 0; k < numOfOutput; ++k) {
int32_t outputSlotId = pExpr[k].base.resSchema.slotId;
SqlFunctionCtx* pfCtx = &pCtx[k];
if (pExpr[k].pExpr->nodeType == QUERY_NODE_COLUMN) { // it is a project query
SColumnInfoData* pColInfoData = taosArrayGet(pResult->pDataBlock, outputSlotId);
colDataAssign(pColInfoData, pfCtx->input.pData[0], pfCtx->input.numOfRows);
if (pResult->info.rows > 0) {
colDataMergeCol(pColInfoData, pResult->info.rows, pfCtx->input.pData[0], pfCtx->input.numOfRows);
} else {
colDataAssign(pColInfoData, pfCtx->input.pData[0], pfCtx->input.numOfRows);
}
pResult->info.rows = pSrcBlock->info.rows;
numOfRows = pfCtx->input.numOfRows;
} else if (pExpr[k].pExpr->nodeType == QUERY_NODE_VALUE) {
SColumnInfoData* pColInfoData = taosArrayGet(pResult->pDataBlock, outputSlotId);
int32_t offset = pResult->info.rows;
for (int32_t i = 0; i < pSrcBlock->info.rows; ++i) {
colDataAppend(pColInfoData, i, taosVariantGet(&pExpr[k].base.pParam[0].param, pExpr[k].base.pParam[0].param.nType), TSDB_DATA_TYPE_NULL == pExpr[k].base.pParam[0].param.nType);
colDataAppend(pColInfoData, i + offset, taosVariantGet(&pExpr[k].base.pParam[0].param, pExpr[k].base.pParam[0].param.nType), TSDB_DATA_TYPE_NULL == pExpr[k].base.pParam[0].param.nType);
}
pResult->info.rows = pSrcBlock->info.rows;
numOfRows = pSrcBlock->info.rows;
} else if (pExpr[k].pExpr->nodeType == QUERY_NODE_OPERATOR) {
SArray* pBlockList = taosArrayInit(4, POINTER_BYTES);
taosArrayPush(pBlockList, &pSrcBlock);
SScalarParam dest = {0};
dest.columnData = taosArrayGet(pResult->pDataBlock, outputSlotId);
SColumnInfoData* pResColData = taosArrayGet(pResult->pDataBlock, outputSlotId);
SColumnInfoData idata = {.info = pResColData->info};
SScalarParam dest = {.columnData = &idata};
scalarCalculate(pExpr[k].pExpr->_optrRoot.pRootNode, pBlockList, &dest);
pResult->info.rows = dest.numOfRows;
colDataMergeCol(pResColData, pResult->info.rows, &idata, dest.numOfRows);
numOfRows = dest.numOfRows;
taosArrayDestroy(pBlockList);
} else if (pExpr[k].pExpr->nodeType == QUERY_NODE_FUNCTION) {
ASSERT(!fmIsAggFunc(pfCtx->functionId));
@ -1212,28 +1224,33 @@ void projectApplyFunctions(SExprInfo* pExpr, SSDataBlock* pResult, SSDataBlock*
pfCtx->pOutput = taosArrayGet(pResult->pDataBlock, outputSlotId);
pfCtx->offset = pResult->info.rows; // set the start offset
// set the timestamp(_rowts) output buffer
if (taosArrayGetSize(pPseudoList) > 0) {
int32_t* outputColIndex = taosArrayGet(pPseudoList, 0);
pfCtx->pTsOutput = (SColumnInfoData*)pCtx[*outputColIndex].pOutput;
}
int32_t numOfRows = pfCtx->fpSet.process(pfCtx);
pResult->info.rows += numOfRows;
numOfRows = pfCtx->fpSet.process(pfCtx);
} else {
SArray* pBlockList = taosArrayInit(4, POINTER_BYTES);
taosArrayPush(pBlockList, &pSrcBlock);
SScalarParam dest = {0};
dest.columnData = taosArrayGet(pResult->pDataBlock, outputSlotId);
SColumnInfoData* pResColData = taosArrayGet(pResult->pDataBlock, outputSlotId);
SColumnInfoData idata = {.info = pResColData->info};
SScalarParam dest = {.columnData = &idata};
scalarCalculate((SNode*)pExpr[k].pExpr->_function.pFunctNode, pBlockList, &dest);
pResult->info.rows = dest.numOfRows;
colDataMergeCol(pResColData, pResult->info.rows, &idata, dest.numOfRows);
numOfRows = dest.numOfRows;
taosArrayDestroy(pBlockList);
}
} else {
ASSERT(0);
}
}
pResult->info.rows += numOfRows;
}
void doTimeWindowInterpolation(SOperatorInfo* pOperator, SOptrBasicInfo* pInfo, SArray* pDataBlock, TSKEY prevTs,