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feat(query): add avg function scalar version 

TD-17344
This commit is contained in:
Ganlin Zhao 2022-07-15 10:00:35 +08:00
parent 7e661a9e9c
commit 4ff107812f
1 changed files with 29 additions and 17 deletions
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46
source/libs/scalar/src/sclfunc.c
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@ -1924,7 +1924,7 @@ int32_t avgScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *
SColumnInfoData *pOutputData = pOutput->columnData;
int32_t type = GET_PARAM_TYPE(pInput);
int64_t count = 0, sum = 0;
int64_t count = 0;
bool hasNull = false;
for (int32_t i = 0; i < pInput->numOfRows; ++i) {
@ -1935,78 +1935,90 @@ int32_t avgScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *
switch(type) {
case TSDB_DATA_TYPE_TINYINT: {
int8_t *in = (int8_t *)pInputData->pData;
sum += in[i];
int8_t *in = (int8_t *)pInputData->pData;
int64_t *out = (int64_t *)pOutputData->pData;
*out += in[i];
count++;
break;
}
case TSDB_DATA_TYPE_SMALLINT: {
int16_t *in = (int16_t *)pInputData->pData;
sum += in[i];
int64_t *out = (int64_t *)pOutputData->pData;
*out += in[i];
count++;
break;
}
case TSDB_DATA_TYPE_INT: {
int32_t *in = (int32_t *)pInputData->pData;
sum += in[i];
int64_t *out = (int64_t *)pOutputData->pData;
*out += in[i];
count++;
break;
}
case TSDB_DATA_TYPE_BIGINT: {
int64_t *in = (int64_t *)pInputData->pData;
sum += in[i];
int64_t *out = (int64_t *)pOutputData->pData;
*out += in[i];
count++;
break;
}
case TSDB_DATA_TYPE_UTINYINT: {
uint8_t *in = (uint8_t *)pInputData->pData;
sum += in[i];
uint8_t *in = (uint8_t *)pInputData->pData;
uint64_t *out = (uint64_t *)pOutputData->pData;
*out += in[i];
count++;
break;
}
case TSDB_DATA_TYPE_USMALLINT: {
uint16_t *in = (uint16_t *)pInputData->pData;
sum += in[i];
uint64_t *out = (uint64_t *)pOutputData->pData;
*out += in[i];
count++;
break;
}
case TSDB_DATA_TYPE_UINT: {
uint32_t *in = (uint32_t *)pInputData->pData;
sum += in[i];
uint64_t *out = (uint64_t *)pOutputData->pData;
*out += in[i];
count++;
break;
}
case TSDB_DATA_TYPE_UBIGINT: {
uint64_t *in = (uint64_t *)pInputData->pData;
sum += in[i];
uint64_t *out = (uint64_t *)pOutputData->pData;
*out += in[i];
count++;
break;
}
case TSDB_DATA_TYPE_FLOAT: {
float *in = (float *)pInputData->pData;
sum += in[i];
float *out = (float *)pOutputData->pData;
*out += in[i];
count++;
break;
}
case TSDB_DATA_TYPE_DOUBLE: {
double *in = (double *)pInputData->pData;
sum += in[i];
double *out = (double *)pOutputData->pData;
*out += in[i];
count++;
break;
}
}
}
double *out = (double *)pOutputData->pData;
if (hasNull) {
colDataAppendNULL(pOutputData, 0);
} else {
if (IS_SIGNED_NUMERIC_TYPE(type)) {
*out = (int64_t)sum / (double)count;
int64_t *out = (int64_t *)pOutputData->pData;
*(double *)out = *out / (double)count;
} else if (IS_UNSIGNED_NUMERIC_TYPE(type)) {
*out = (uint64_t)sum / (double)count;
uint64_t *out = (uint64_t *)pOutputData->pData;
*(double *)out = *out / (double)count;
} else if (IS_FLOAT_TYPE(type)) {
*out = (double)sum / (double)count;
double *out = (double *)pOutputData->pData;
*(double *)out = *out / (double)count;
}
}