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fix(query): improve performance for first function x10 quickly

This commit is contained in:
Alex Duan 2022-10-18 17:22:41 +08:00
parent 194587558b
commit e2637ab6a7
2 changed files with 18 additions and 0 deletions
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2
source/libs/function/src/builtins.c
View File

@ -2431,6 +2431,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
.type = FUNCTION_TYPE_FIRST,
.classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC,
.translateFunc = translateFirstLast,
.dynDataRequiredFunc = firstDynDataReq,
.getEnvFunc = getFirstLastFuncEnv,
.initFunc = functionSetup,
.processFunc = firstFunction,
@ -2445,6 +2446,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
.type = FUNCTION_TYPE_FIRST_PARTIAL,
.classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC,
.translateFunc = translateFirstLastPartial,
.dynDataRequiredFunc = firstDynDataReq,
.getEnvFunc = getFirstLastFuncEnv,
.initFunc = functionSetup,
.processFunc = firstFunction,

16
source/libs/function/src/builtinsimpl.c
View File

@ -2717,6 +2717,22 @@ int32_t apercentileCombine(SqlFunctionCtx* pDestCtx, SqlFunctionCtx* pSourceCtx)
return TSDB_CODE_SUCCESS;
}
EFuncDataRequired firstDynDataReq(void* pRes, STimeWindow* pTimeWindow) {
SResultRowEntryInfo* pEntry = (SResultRowEntryInfo*)pRes;
// not initialized yet, data is required
if (pEntry == NULL) {
return FUNC_DATA_REQUIRED_DATA_LOAD;
}
SFirstLastRes* pResult = GET_ROWCELL_INTERBUF(pEntry);
if (pResult->hasResult && pResult->ts <= pTimeWindow->skey) {
return FUNC_DATA_REQUIRED_NOT_LOAD;
} else {
return FUNC_DATA_REQUIRED_DATA_LOAD;
}
}
EFuncDataRequired lastDynDataReq(void* pRes, STimeWindow* pTimeWindow) {
SResultRowEntryInfo* pEntry = (SResultRowEntryInfo*)pRes;