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feat(query): add count function scalar version 

TD-17344
This commit is contained in:
Ganlin Zhao 2022-07-13 17:47:56 +08:00
parent 3fb1679e31
commit dd8f235e97
3 changed files with 26 additions and 0 deletions
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3
include/libs/scalar/scalar.h
View File

@ -95,6 +95,9 @@ int32_t qEndTsFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOu
int32_t qTbnameFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
/* Aggregation functions */
int32_t countScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
#ifdef __cplusplus
}
#endif

1
source/libs/function/src/builtins.c
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@ -1886,6 +1886,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
.getEnvFunc = getCountFuncEnv,
.initFunc = functionSetup,
.processFunc = countFunction,
.sprocessFunc = countScalarFunction,
.finalizeFunc = functionFinalize,
.invertFunc = countInvertFunction,
.combineFunc = combineFunction,

22
source/libs/scalar/src/sclfunc.c
View File

@ -702,6 +702,7 @@ int32_t substrFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOu
return TSDB_CODE_SUCCESS;
}
/** Conversion functions **/
int32_t castFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput) {
int16_t inputType = GET_PARAM_TYPE(&pInput[0]);
int16_t inputLen = GET_PARAM_BYTES(&pInput[0]);
@ -1164,6 +1165,7 @@ int32_t toJsonFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOu
return TSDB_CODE_SUCCESS;
}
/** Time functions **/
int32_t timeTruncateFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput) {
int32_t type = GET_PARAM_TYPE(&pInput[0]);
@ -1736,3 +1738,23 @@ int32_t qTbnameFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pO
pOutput->numOfRows += pInput->numOfRows;
return TSDB_CODE_SUCCESS;
}
/** Aggregation functions **/
int32_t countScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput) {
SColumnInfoData *pInputData = pInput->columnData;
SColumnInfoData *pOutputData = pOutput->columnData;
int64_t *out = (int64_t *)pOutputData->pData;
*out = 0;
for (int32_t i = 0; i < pInput->numOfRows; ++i) {
if (colDataIsNull_s(pInputData, i)) {
colDataAppendNULL(pOutputData, i);
break;
}
(*out)++;
}
pOutput->numOfRows = pInput->numOfRows;
return TSDB_CODE_SUCCESS;
}