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cast function support ->float, ->double

This commit is contained in:
Ganlin Zhao 2022-06-25 12:15:17 +08:00
parent 4a7938e9ff
commit 3b9953f483
1 changed files with 36 additions and 0 deletions
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36
source/libs/scalar/src/sclfunc.c
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@ -879,6 +879,42 @@ int32_t castFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutp
}
break;
}
case TSDB_DATA_TYPE_FLOAT: {
if (inputType == TSDB_DATA_TYPE_BINARY) {
*(float *)output = taosStr2Float(varDataVal(input), NULL);
} else if (inputType == TSDB_DATA_TYPE_NCHAR) {
char *newBuf = taosMemoryCalloc(1, inputLen);
int32_t len = taosUcs4ToMbs((TdUcs4 *)varDataVal(input), varDataLen(input), newBuf);
if (len < 0) {
taosMemoryFree(newBuf);
return TSDB_CODE_FAILED;
}
newBuf[len] = 0;
*(float *)output = taosStr2Float(newBuf, NULL);
taosMemoryFree(newBuf);
} else {
GET_TYPED_DATA(*(float *)output, float, inputType, input);
}
break;
}
case TSDB_DATA_TYPE_DOUBLE: {
if (inputType == TSDB_DATA_TYPE_BINARY) {
*(double *)output = taosStr2Double(varDataVal(input), NULL);
} else if (inputType == TSDB_DATA_TYPE_NCHAR) {
char *newBuf = taosMemoryCalloc(1, inputLen);
int32_t len = taosUcs4ToMbs((TdUcs4 *)varDataVal(input), varDataLen(input), newBuf);
if (len < 0) {
taosMemoryFree(newBuf);
return TSDB_CODE_FAILED;
}
newBuf[len] = 0;
*(double *)output = taosStr2Double(newBuf, NULL);
taosMemoryFree(newBuf);
} else {
GET_TYPED_DATA(*(double *)output, double, inputType, input);
}
break;
}
case TSDB_DATA_TYPE_TIMESTAMP: {
if (inputType == TSDB_DATA_TYPE_BINARY || inputType == TSDB_DATA_TYPE_NCHAR) {
//convert to 0