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Merge pull request #14537 from taosdata/fix/TD-16877 

fix(query): stddev function support unsigned data types
This commit is contained in:
Ganlin Zhao 2022-07-06 10:14:23 +08:00 committed by GitHub
parent a3e4db1c0d ae55ce3068
commit 9355392c80
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 122 additions and 33 deletions
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95
source/libs/function/src/builtinsimpl.c
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@ -92,10 +92,12 @@ typedef struct SStddevRes {
union {
double quadraticDSum;
int64_t quadraticISum;
uint64_t quadraticUSum;
};
union {
double dsum;
int64_t isum;
uint64_t usum;
};
int16_t type;
} SStddevRes;
@ -1729,6 +1731,68 @@ int32_t stddevFunction(SqlFunctionCtx* pCtx) {
break;
}
case TSDB_DATA_TYPE_UTINYINT: {
uint8_t* plist = (uint8_t*)pCol->pData;
for (int32_t i = start; i < numOfRows + start; ++i) {
if (pCol->hasNull && colDataIsNull_f(pCol->nullbitmap, i)) {
continue;
}
numOfElem += 1;
pStddevRes->count += 1;
pStddevRes->usum += plist[i];
pStddevRes->quadraticISum += plist[i] * plist[i];
}
break;
}
case TSDB_DATA_TYPE_USMALLINT: {
uint16_t* plist = (uint16_t*)pCol->pData;
for (int32_t i = start; i < numOfRows + pInput->startRowIndex; ++i) {
if (pCol->hasNull && colDataIsNull_f(pCol->nullbitmap, i)) {
continue;
}
numOfElem += 1;
pStddevRes->count += 1;
pStddevRes->usum += plist[i];
pStddevRes->quadraticISum += plist[i] * plist[i];
}
break;
}
case TSDB_DATA_TYPE_UINT: {
uint32_t* plist = (uint32_t*)pCol->pData;
for (int32_t i = start; i < numOfRows + pInput->startRowIndex; ++i) {
if (pCol->hasNull && colDataIsNull_f(pCol->nullbitmap, i)) {
continue;
}
numOfElem += 1;
pStddevRes->count += 1;
pStddevRes->usum += plist[i];
pStddevRes->quadraticISum += plist[i] * plist[i];
}
break;
}
case TSDB_DATA_TYPE_UBIGINT: {
uint64_t* plist = (uint64_t*)pCol->pData;
for (int32_t i = start; i < numOfRows + pInput->startRowIndex; ++i) {
if (pCol->hasNull && colDataIsNull_f(pCol->nullbitmap, i)) {
continue;
}
numOfElem += 1;
pStddevRes->count += 1;
pStddevRes->usum += plist[i];
pStddevRes->quadraticISum += plist[i] * plist[i];
}
break;
}
case TSDB_DATA_TYPE_FLOAT: {
float* plist = (float*)pCol->pData;
for (int32_t i = start; i < numOfRows + pInput->startRowIndex; ++i) {
@ -1771,9 +1835,12 @@ _stddev_over:
static void stddevTransferInfo(SStddevRes* pInput, SStddevRes* pOutput) {
pOutput->type = pInput->type;
if (IS_INTEGER_TYPE(pOutput->type)) {
if (IS_SIGNED_NUMERIC_TYPE(pOutput->type)) {
pOutput->quadraticISum += pInput->quadraticISum;
pOutput->isum += pInput->isum;
} else if (IS_UNSIGNED_NUMERIC_TYPE(pOutput->type)) {
pOutput->quadraticUSum += pInput->quadraticUSum;
pOutput->usum += pInput->usum;
} else {
pOutput->quadraticDSum += pInput->quadraticDSum;
pOutput->dsum += pInput->dsum;
@ -1848,6 +1915,22 @@ int32_t stddevInvertFunction(SqlFunctionCtx* pCtx) {
LIST_STDDEV_SUB_N(pStddevRes->isum, int64_t);
break;
}
case TSDB_DATA_TYPE_UTINYINT: {
LIST_STDDEV_SUB_N(pStddevRes->isum, uint8_t);
break;
}
case TSDB_DATA_TYPE_USMALLINT: {
LIST_STDDEV_SUB_N(pStddevRes->isum, uint16_t);
break;
}
case TSDB_DATA_TYPE_UINT: {
LIST_STDDEV_SUB_N(pStddevRes->isum, uint32_t);
break;
}
case TSDB_DATA_TYPE_UBIGINT: {
LIST_STDDEV_SUB_N(pStddevRes->isum, uint64_t);
break;
}
case TSDB_DATA_TYPE_FLOAT: {
LIST_STDDEV_SUB_N(pStddevRes->dsum, float);
break;
@ -1871,9 +1954,12 @@ int32_t stddevFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock) {
int32_t type = pStddevRes->type;
double avg;
if (IS_INTEGER_TYPE(type)) {
if (IS_SIGNED_NUMERIC_TYPE(type)) {
avg = pStddevRes->isum / ((double)pStddevRes->count);
pStddevRes->result = sqrt(fabs(pStddevRes->quadraticISum / ((double)pStddevRes->count) - avg * avg));
} else if (IS_UNSIGNED_NUMERIC_TYPE(type)) {
avg = pStddevRes->usum / ((double)pStddevRes->count);
pStddevRes->result = sqrt(fabs(pStddevRes->quadraticUSum / ((double)pStddevRes->count) - avg * avg));
} else {
avg = pStddevRes->dsum / ((double)pStddevRes->count);
pStddevRes->result = sqrt(fabs(pStddevRes->quadraticDSum / ((double)pStddevRes->count) - avg * avg));
@ -1913,9 +1999,12 @@ int32_t stddevCombine(SqlFunctionCtx* pDestCtx, SqlFunctionCtx* pSourceCtx) {
SResultRowEntryInfo* pSResInfo = GET_RES_INFO(pSourceCtx);
SStddevRes* pSBuf = GET_ROWCELL_INTERBUF(pSResInfo);
if (IS_INTEGER_TYPE(type)) {
if (IS_SIGNED_NUMERIC_TYPE(type)) {
pDBuf->isum += pSBuf->isum;
pDBuf->quadraticISum += pSBuf->quadraticISum;
} else if (IS_UNSIGNED_NUMERIC_TYPE(type)) {
pDBuf->usum += pSBuf->usum;
pDBuf->quadraticUSum += pSBuf->quadraticUSum;
} else {
pDBuf->dsum += pSBuf->dsum;
pDBuf->quadraticDSum += pSBuf->quadraticDSum;