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Merge pull request #27244 from taosdata/fix/3.0/TD-31468 

fix:[TD-31468] Fix char function wrong result.
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dapan1121 2024-08-16 08:53:16 +08:00 committed by GitHub
parent 0e04b6a79f ebe5f183cb
commit 2aac6ba8c8
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GPG Key ID: B5690EEEBB952194
1 changed files with 15 additions and 5 deletions
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20
source/libs/scalar/src/sclfunc.c
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@ -1325,30 +1325,40 @@ int32_t charFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutp
int32_t outputLen = inputNum * 4 + 2;
char *outputBuf = taosMemoryCalloc(outputLen, 1);
if (outputBuf == NULL) {
SCL_ERR_RET(TSDB_CODE_OUT_OF_MEMORY);
SCL_ERR_RET(terrno);
}
for (int32_t i = 0; i < pInput[0].numOfRows; ++i) {
int32_t numOfRows = 0;
for (int32_t i = 0; i < inputNum; ++i) {
numOfRows = TMAX(numOfRows, pInput[i].numOfRows);
}
for (int32_t i = 0; i < numOfRows; ++i) {
char *output = varDataVal(outputBuf);
for (int32_t j = 0; j < inputNum; ++j) {
int32_t colIdx = (pInput[j].numOfRows == 1) ? 0 : i;
int32_t num;
if (colDataIsNull_s(pInput[j].columnData, i)) {
continue;
} else if (IS_NUMERIC_TYPE(GET_PARAM_TYPE(&pInput[j]))) {
GET_TYPED_DATA(num, int32_t, GET_PARAM_TYPE(&pInput[j]), pInput[j].columnData->pData);
GET_TYPED_DATA(num, int32_t, GET_PARAM_TYPE(&pInput[j]), colDataGetData(pInput[j].columnData, colIdx));
getAsciiChar(num, &output);
} else if (TSDB_DATA_TYPE_BINARY == GET_PARAM_TYPE(&pInput[j])) {
num = taosStr2Int32(varDataVal(pInput[j].columnData->pData), NULL, 10);
num = taosStr2Int32(varDataVal(colDataGetData(pInput[j].columnData, colIdx)), NULL, 10);
getAsciiChar(num, &output);
} else if (TSDB_DATA_TYPE_NCHAR == GET_PARAM_TYPE(&pInput[j])) {
char *convBuf = taosMemoryMalloc(GET_PARAM_BYTES(&pInput[j]));
int32_t len = taosUcs4ToMbs((TdUcs4 *)varDataVal(pInput[j].columnData->pData), varDataLen(pInput[j].columnData->pData), convBuf);
if (convBuf == NULL) {
SCL_ERR_RET(terrno);
}
int32_t len = taosUcs4ToMbs((TdUcs4 *)varDataVal(colDataGetData(pInput[j].columnData, colIdx)), varDataLen(colDataGetData(pInput[j].columnData, colIdx)), convBuf);
if (len < 0) {
taosMemoryFree(convBuf);
code = TSDB_CODE_SCALAR_CONVERT_ERROR;
goto _return;
}
convBuf[len] = 0;
num = taosStr2Int32(convBuf, NULL, 10);
getAsciiChar(num, &output);
taosMemoryFree(convBuf);
} else {
code = TSDB_CODE_FUNC_FUNTION_PARA_TYPE;
goto _return;