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feat(query): add percentile/apercentile scalar version 

TD-17344
This commit is contained in:
Ganlin Zhao 2022-07-15 15:52:32 +08:00
parent 9de4ad8535
commit 9e49a0012d
3 changed files with 35 additions and 0 deletions
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2
include/libs/scalar/scalar.h
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@ -104,6 +104,8 @@ int32_t maxScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *
int32_t avgScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t stddevScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t leastSQRScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t percentileScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t apercentileScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
#ifdef __cplusplus
}

2
source/libs/function/src/builtins.c
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@ -2034,6 +2034,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
.getEnvFunc = getPercentileFuncEnv,
.initFunc = percentileFunctionSetup,
.processFunc = percentileFunction,
.sprocessFunc = percentileScalarFunction,
.finalizeFunc = percentileFinalize,
.invertFunc = NULL,
.combineFunc = NULL,
@ -2046,6 +2047,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
.getEnvFunc = getApercentileFuncEnv,
.initFunc = apercentileFunctionSetup,
.processFunc = apercentileFunction,
.sprocessFunc = apercentileScalarFunction,
.finalizeFunc = apercentileFinalize,
.invertFunc = NULL,
.combineFunc = apercentileCombine,

31
source/libs/scalar/src/sclfunc.c
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@ -2307,3 +2307,34 @@ int32_t leastSQRScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarPa
pOutput->numOfRows = 1;
return TSDB_CODE_SUCCESS;
}
int32_t percentileScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput) {
SColumnInfoData *pInputData = pInput->columnData;
SColumnInfoData *pOutputData = pOutput->columnData;
int32_t type = GET_PARAM_TYPE(pInput);
double val;
bool hasNull = false;
for (int32_t i = 0; i < pInput->numOfRows; ++i) {
if (colDataIsNull_s(pInputData, i)) {
hasNull = true;
break;
}
char *in = pInputData->pData;
GET_TYPED_DATA(val, double, type, in);
}
if (hasNull) {
colDataAppendNULL(pOutputData, 0);
} else {
colDataAppend(pOutputData, 0, (char *)&val, false);
}
pOutput->numOfRows = 1;
return TSDB_CODE_SUCCESS;
}
int32_t apercentileScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput) {
return percentileScalarFunction(pInput, inputNum, pOutput);
}