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add elapsed function merge/partial functions

This commit is contained in:
Ganlin Zhao 2022-06-09 19:49:29 +08:00
parent 62506bac33
commit d2efa06742
3 changed files with 46 additions and 2 deletions
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2
source/libs/function/inc/builtinsimpl.h
View File

@ -114,7 +114,9 @@ int32_t getSpreadInfoSize();
bool getElapsedFuncEnv(struct SFunctionNode* pFunc, SFuncExecEnv* pEnv);
bool elapsedFunctionSetup(SqlFunctionCtx *pCtx, SResultRowEntryInfo* pResultInfo);
int32_t elapsedFunction(SqlFunctionCtx* pCtx);
int32_t elapsedFunctionMerge(SqlFunctionCtx* pCtx);
int32_t elapsedFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock);
int32_t elapsedPartialFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock);
int32_t getElapsedInfoSize();
bool getHistogramFuncEnv(struct SFunctionNode* pFunc, SFuncExecEnv* pEnv);

4
source/libs/function/src/builtins.c
View File

@ -1488,7 +1488,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
.getEnvFunc = getElapsedFuncEnv,
.initFunc = elapsedFunctionSetup,
.processFunc = elapsedFunction,
.finalizeFunc = elapsedFinalize
.finalizeFunc = elapsedPartialFinalize
},
{
.name = "_elapsed_merge",
@ -1498,7 +1498,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
.translateFunc = translateElapsedMerge,
.getEnvFunc = getElapsedFuncEnv,
.initFunc = elapsedFunctionSetup,
.processFunc = elapsedFunction,
.processFunc = elapsedFunctionMerge,
.finalizeFunc = elapsedFinalize
},
{

42
source/libs/function/src/builtinsimpl.c
View File

@ -3132,6 +3132,30 @@ _elapsed_over:
return TSDB_CODE_SUCCESS;
}
int32_t elapsedFunctionMerge(SqlFunctionCtx *pCtx) {
SInputColumnInfoData* pInput = &pCtx->input;
SColumnInfoData* pCol = pInput->pData[0];
ASSERT(pCol->info.type == TSDB_DATA_TYPE_BINARY);
SElapsedInfo* pInfo = GET_ROWCELL_INTERBUF(GET_RES_INFO(pCtx));
int32_t start = pInput->startRowIndex;
char* data = colDataGetData(pCol, start);
SElapsedInfo* pInputInfo = (SElapsedInfo *)varDataVal(data);
pInfo->timeUnit = pInputInfo->timeUnit;
if (pInfo->min > pInputInfo->min) {
pInfo->min = pInputInfo->min;
}
if (pInfo->max < pInputInfo->max) {
pInfo->max = pInputInfo->max;
}
SET_VAL(GET_RES_INFO(pCtx), 1, 1);
return TSDB_CODE_SUCCESS;
}
int32_t elapsedFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock) {
SElapsedInfo* pInfo = GET_ROWCELL_INTERBUF(GET_RES_INFO(pCtx));
double result = (double)pInfo->max - (double)pInfo->min;
@ -3140,6 +3164,24 @@ int32_t elapsedFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock) {
return functionFinalize(pCtx, pBlock);
}
int32_t elapsedPartialFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock) {
SResultRowEntryInfo* pResInfo = GET_RES_INFO(pCtx);
SElapsedInfo* pInfo = GET_ROWCELL_INTERBUF(GET_RES_INFO(pCtx));
int32_t resultBytes = getElapsedInfoSize();
char *res = taosMemoryCalloc(resultBytes + VARSTR_HEADER_SIZE, sizeof(char));
memcpy(varDataVal(res), pInfo, resultBytes);
varDataSetLen(res, resultBytes);
int32_t slotId = pCtx->pExpr->base.resSchema.slotId;
SColumnInfoData* pCol = taosArrayGet(pBlock->pDataBlock, slotId);
colDataAppend(pCol, pBlock->info.rows, res, false);
taosMemoryFree(res);
return pResInfo->numOfRes;
}
int32_t getHistogramInfoSize() {
return (int32_t)sizeof(SHistoFuncInfo) + HISTOGRAM_MAX_BINS_NUM * sizeof(SHistoFuncBin);
}