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TDengine

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Star 22016
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T
TDengine
提交 dc2c419f 编写于 作者: H Haojun Liao
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enh(query): optimize the query perf.

上级 ecf3e2c0
隐藏空白更改
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Showing with 8 addition and 5 deletion
source/libs/function/src/builtinsimpl.c
浏览文件 @ dc2c419f
...@@ -3088,6 +3088,7 @@ int32_t lastFunction(SqlFunctionCtx* pCtx) { ...@@ -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) { ...@@ -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) { ...@@ -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;
......
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