xxq250
/
homework-jianmu
1
0
Fork 0
Code Issues Pull Requests 1 Actions Packages Projects Releases Wiki Activity

cast support nchar->binary, binary/nchar->timestamp

This commit is contained in:
Ganlin Zhao 2022-06-25 12:05:17 +08:00
parent b1f16fca4e
commit 4a7938e9ff
1 changed files with 12 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
source/libs/scalar/src/sclfunc.c
View File

@ -881,8 +881,8 @@ int32_t castFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutp
}
case TSDB_DATA_TYPE_TIMESTAMP: {
if (inputType == TSDB_DATA_TYPE_BINARY || inputType == TSDB_DATA_TYPE_NCHAR) {
//not support
return TSDB_CODE_FAILED;
//convert to 0
*(int64_t *)output = 0;
} else {
GET_TYPED_DATA(*(int64_t *)output, int64_t, inputType, input);
}
@ -897,8 +897,16 @@ int32_t castFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutp
len = sprintf(varDataVal(output), "%.*s", len, varDataVal(input));
varDataSetLen(output, len);
} else if (inputType == TSDB_DATA_TYPE_NCHAR) {
//not support
return TSDB_CODE_FAILED;
char *newBuf = taosMemoryCalloc(1, inputLen);
int32_t len = taosUcs4ToMbs((TdUcs4 *)varDataVal(input), varDataLen(input), newBuf);
if (len < 0) {
taosMemoryFree(newBuf);
return TSDB_CODE_FAILED;
}
len = TMIN(len, outputLen - VARSTR_HEADER_SIZE);
memcpy(varDataVal(output), newBuf, len);
varDataSetLen(output, len);
taosMemoryFree(newBuf);
} else {
char tmp[400] = {0};
NUM_TO_STRING(inputType, input, sizeof(tmp), tmp);