eldenmoon commented on code in PR #50180:
URL: https://github.com/apache/doris/pull/50180#discussion_r2051905059
##########
be/src/vec/functions/function_cast.h:
##########
@@ -1920,13 +1921,19 @@ class FunctionCast final : public IFunctionBase {
// TODO not found root cause, a tmp fix
col_to->assume_mutable()->insert_many_defaults(input_rows_count);
col_to = make_nullable(col_to, true);
+ } else if (WhichDataType(data_type_to).is_string()) {
+ // serialize to string
+ return ConvertImplGenericToString::execute2(context,
block, arguments, result,
+
input_rows_count);
+ } else if (WhichDataType(data_type_to).is_json()) {
+ // serialize to json by parsing
+ return ConvertImplGenericToJsonb::execute(context, block,
arguments, result,
+
input_rows_count);
} else if (!data_type_to->is_nullable() &&
!WhichDataType(data_type_to).is_string()) {
+ // other types
col_to->assume_mutable()->insert_many_defaults(input_rows_count);
col_to = make_nullable(col_to, true);
- } else if (WhichDataType(data_type_to).is_string()) {
- return ConvertImplGenericToString::execute2(context,
block, arguments, result,
-
input_rows_count);
} else {
Review Comment:
yes
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