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enh(query): optimize the query perf.

This commit is contained in:
Haojun Liao 2022-11-08 19:01:35 +08:00
parent ecf3e2c000
commit dc2c419f22
1 changed files with 8 additions and 5 deletions
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13
source/libs/function/src/builtinsimpl.c
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@ -3088,6 +3088,7 @@ int32_t lastFunction(SqlFunctionCtx* pCtx) {
} }
} }
#else #else
int64_t* pts = (int64_t*)pInput->pPTS->pData;
for (int32_t i = pInput->startRowIndex; i < pInput->numOfRows + pInput->startRowIndex; ++i) { for (int32_t i = pInput->startRowIndex; i < pInput->numOfRows + pInput->startRowIndex; ++i) {
if (pInputCol->hasNull && colDataIsNull(pInputCol, pInput->totalRows, i, pColAgg)) { if (pInputCol->hasNull && colDataIsNull(pInputCol, pInput->totalRows, i, pColAgg)) {
continue; continue;
@ -3096,9 +3097,9 @@ int32_t lastFunction(SqlFunctionCtx* pCtx) {
numOfElems++; numOfElems++;
char* data = colDataGetData(pInputCol, i); char* data = colDataGetData(pInputCol, i);
TSKEY* cts = (TSKEY*) colDataGetData(pInput->pPTS, i); TSKEY cts = pts[i];
if (pResInfo->numOfRes == 0 || pInfo->ts < (*cts)) { if (pResInfo->numOfRes == 0 || pInfo->ts < cts) {
doSaveCurrentVal(pCtx, i, *cts, type, data); doSaveCurrentVal(pCtx, i, cts, type, data);
pResInfo->numOfRes = 1; pResInfo->numOfRes = 1;
} }
} }
@ -3285,11 +3286,13 @@ int32_t lastRowFunction(SqlFunctionCtx* pCtx) {
} }
} }
#else #else
int64_t* pts = (int64_t*)pInput->pPTS->pData;
for (int32_t i = pInput->startRowIndex; i < pInput->numOfRows + pInput->startRowIndex; ++i) { for (int32_t i = pInput->startRowIndex; i < pInput->numOfRows + pInput->startRowIndex; ++i) {
char* data = colDataGetData(pInputCol, i); char* data = colDataGetData(pInputCol, i);
TSKEY cts = getRowPTs(pInput->pPTS, i); TSKEY cts = pts[i];
numOfElems++;
numOfElems++;
if (pResInfo->numOfRes == 0 || pInfo->ts < cts) { if (pResInfo->numOfRes == 0 || pInfo->ts < cts) {
doSaveLastrow(pCtx, data, i, cts, pInfo); doSaveLastrow(pCtx, data, i, cts, pInfo);
pResInfo->numOfRes = 1; pResInfo->numOfRes = 1;