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adj max combine fucntion

This commit is contained in:
liuyao 2023-07-26 09:52:07 +08:00
parent 66042669a1
commit 6d40cdb62e
1 changed files with 51 additions and 11 deletions
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56
source/libs/function/src/builtinsimpl.c
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@ -920,6 +920,7 @@ void appendSelectivityValue(SqlFunctionCtx* pCtx, int32_t rowIndex, int32_t pos)
void replaceTupleData(STuplePos* pDestPos, STuplePos* pSourcePos) { *pDestPos = *pSourcePos; }
#define COMPARE_MINMAX_DATA(type) (( (*(type*)&pDBuf->v) < (*(type*)&pSBuf->v) ) ^ isMinFunc)
int32_t minMaxCombine(SqlFunctionCtx* pDestCtx, SqlFunctionCtx* pSourceCtx, int32_t isMinFunc) {
SResultRowEntryInfo* pDResInfo = GET_RES_INFO(pDestCtx);
SMinmaxResInfo* pDBuf = GET_ROWCELL_INTERBUF(pDResInfo);
@ -927,18 +928,57 @@ int32_t minMaxCombine(SqlFunctionCtx* pDestCtx, SqlFunctionCtx* pSourceCtx, int3
SResultRowEntryInfo* pSResInfo = GET_RES_INFO(pSourceCtx);
SMinmaxResInfo* pSBuf = GET_ROWCELL_INTERBUF(pSResInfo);
int16_t type = pDBuf->type == TSDB_DATA_TYPE_NULL ? pSBuf->type : pDBuf->type;
if (IS_FLOAT_TYPE(type)) {
if (pSBuf->assign && ((((*(double*)&pDBuf->v) < (*(double*)&pSBuf->v)) ^ isMinFunc) || !pDBuf->assign)) {
*(double*)&pDBuf->v = *(double*)&pSBuf->v;
replaceTupleData(&pDBuf->tuplePos, &pSBuf->tuplePos);
pDBuf->assign = true;
}
} else {
if (pSBuf->assign && (((pDBuf->v < pSBuf->v) ^ isMinFunc) || !pDBuf->assign)) {
switch (type) {
case TSDB_DATA_TYPE_DOUBLE:
case TSDB_DATA_TYPE_UBIGINT:
case TSDB_DATA_TYPE_BIGINT:
if (pSBuf->assign && (COMPARE_MINMAX_DATA(int64_t) || !pDBuf->assign)) {
pDBuf->v = pSBuf->v;
replaceTupleData(&pDBuf->tuplePos, &pSBuf->tuplePos);
pDBuf->assign = true;
}
break;
case TSDB_DATA_TYPE_UINT:
case TSDB_DATA_TYPE_INT:
if (pSBuf->assign && (COMPARE_MINMAX_DATA(int32_t) || !pDBuf->assign)) {
pDBuf->v = pSBuf->v;
replaceTupleData(&pDBuf->tuplePos, &pSBuf->tuplePos);
pDBuf->assign = true;
}
break;
case TSDB_DATA_TYPE_USMALLINT:
case TSDB_DATA_TYPE_SMALLINT:
if (pSBuf->assign && (COMPARE_MINMAX_DATA(int16_t) || !pDBuf->assign)) {
pDBuf->v = pSBuf->v;
replaceTupleData(&pDBuf->tuplePos, &pSBuf->tuplePos);
pDBuf->assign = true;
}
break;
case TSDB_DATA_TYPE_BOOL:
case TSDB_DATA_TYPE_UTINYINT:
case TSDB_DATA_TYPE_TINYINT:
if (pSBuf->assign && (COMPARE_MINMAX_DATA(int8_t) || !pDBuf->assign)) {
pDBuf->v = pSBuf->v;
replaceTupleData(&pDBuf->tuplePos, &pSBuf->tuplePos);
pDBuf->assign = true;
}
break;
case TSDB_DATA_TYPE_FLOAT: {
if (pSBuf->assign && (COMPARE_MINMAX_DATA(double) || !pDBuf->assign)) {
pDBuf->v = pSBuf->v;
replaceTupleData(&pDBuf->tuplePos, &pSBuf->tuplePos);
pDBuf->assign = true;
}
break;
}
default:
if (pSBuf->assign && (strcmp((char*)&pDBuf->v, (char*)&pSBuf->v) || !pDBuf->assign)) {
pDBuf->v = pSBuf->v;
replaceTupleData(&pDBuf->tuplePos, &pSBuf->tuplePos);
pDBuf->assign = true;
}
break;
}
pDResInfo->numOfRes = TMAX(pDResInfo->numOfRes, pSResInfo->numOfRes);
pDResInfo->isNullRes &= pSResInfo->isNullRes;