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fix: selectivity

This commit is contained in:
Liu Jicong 2022-12-29 14:43:45 +08:00
parent 7721353b6b
commit 93cf8e0186
1 changed files with 21 additions and 21 deletions
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42
source/libs/function/src/builtinsimpl.c
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@ -818,28 +818,27 @@ void setSelectivityValue(SqlFunctionCtx* pCtx, SSDataBlock* pBlock, const STuple
return;
}
if (pCtx->saveHandle.pBuf != NULL) {
if (pTuplePos->pageId != -1) {
int32_t numOfCols = pCtx->subsidiaries.num;
const char* p = loadTupleData(pCtx, pTuplePos);
if ((pCtx->saveHandle.pBuf != NULL && pTuplePos->pageId != -1) ||
(pCtx->saveHandle.pState && pTuplePos->streamTupleKey.ts > 0)) {
int32_t numOfCols = pCtx->subsidiaries.num;
const char* p = loadTupleData(pCtx, pTuplePos);
bool* nullList = (bool*)p;
char* pStart = (char*)(nullList + numOfCols * sizeof(bool));
bool* nullList = (bool*)p;
char* pStart = (char*)(nullList + numOfCols * sizeof(bool));
// todo set the offset value to optimize the performance.
for (int32_t j = 0; j < numOfCols; ++j) {
SqlFunctionCtx* pc = pCtx->subsidiaries.pCtx[j];
int32_t dstSlotId = pc->pExpr->base.resSchema.slotId;
// todo set the offset value to optimize the performance.
for (int32_t j = 0; j < numOfCols; ++j) {
SqlFunctionCtx* pc = pCtx->subsidiaries.pCtx[j];
int32_t dstSlotId = pc->pExpr->base.resSchema.slotId;
SColumnInfoData* pDstCol = taosArrayGet(pBlock->pDataBlock, dstSlotId);
ASSERT(pc->pExpr->base.resSchema.bytes == pDstCol->info.bytes);
if (nullList[j]) {
colDataAppendNULL(pDstCol, rowIndex);
} else {
colDataAppend(pDstCol, rowIndex, pStart, false);
}
pStart += pDstCol->info.bytes;
SColumnInfoData* pDstCol = taosArrayGet(pBlock->pDataBlock, dstSlotId);
ASSERT(pc->pExpr->base.resSchema.bytes == pDstCol->info.bytes);
if (nullList[j]) {
colDataAppendNULL(pDstCol, rowIndex);
} else {
colDataAppend(pDstCol, rowIndex, pStart, false);
}
pStart += pDstCol->info.bytes;
}
}
}
@ -2071,8 +2070,8 @@ int32_t firstFunction(SqlFunctionCtx* pCtx) {
int32_t blockDataOrder = (startKey <= endKey) ? TSDB_ORDER_ASC : TSDB_ORDER_DESC;
// please ref. to the comment in lastRowFunction for the reason why disabling the opt version of last/first function.
// we will use this opt implementation in an new version that is only available in scan subplan
// please ref. to the comment in lastRowFunction for the reason why disabling the opt version of last/first
// function. we will use this opt implementation in an new version that is only available in scan subplan
#if 0
if (blockDataOrder == TSDB_ORDER_ASC) {
// filter according to current result firstly
@ -2179,7 +2178,8 @@ int32_t lastFunction(SqlFunctionCtx* pCtx) {
int32_t blockDataOrder = (startKey <= endKey) ? TSDB_ORDER_ASC : TSDB_ORDER_DESC;
// please ref. to the comment in lastRowFunction for the reason why disabling the opt version of last/first function.
// please ref. to the comment in lastRowFunction for the reason why disabling the opt version of last/first
// function.
#if 0
if (blockDataOrder == TSDB_ORDER_ASC) {
for (int32_t i = pInput->numOfRows + pInput->startRowIndex - 1; i >= pInput->startRowIndex; --i) {