goldmedal opened a new issue, #12618:
URL: https://github.com/apache/datafusion/issues/12618
### Is your feature request related to a problem or challenge?
While I was working on #12415, I found the `DictionaryString` can't pass the
following case in
`datafusion/sqllogictest/test_files/string/string_query.slt.part`
```
statement ok
create table test_basic_operator as
select
arrow_cast(column1, 'Dictionary(Int32, Utf8)') as ascii_1,
arrow_cast(column2, 'Dictionary(Int32, Utf8)') as ascii_2,
arrow_cast(column3, 'Dictionary(Int32, Utf8)') as unicode_1,
arrow_cast(column4, 'Dictionary(Int32, Utf8)') as unicode_2
from test_source;
query BB
SELECT
ascii_1 ~* '^a.{3}e',
unicode_1 ~* '^d.*Фу'
FROM test_basic_operator;
----
true false
false false
false true
NULL NULL
```
I got the error message:
```
External error: query failed: DataFusion error: Internal error: Data type
Dictionary(Int32, Utf8) not supported for binary_string_array_flag_op_scalar
operation 'regexp_is_match' on string array.
This was likely caused by a bug in DataFusion's code and we would welcome
that you file an bug report in our issue tracker
```
### Describe the solution you'd like
Support `DictionaryString` at
https://github.com/apache/datafusion/blob/65595cf7f88d5393fded416f8d001a9e90b18169/datafusion/physical-expr/src/expressions/binary.rs#L148-L158
### Describe alternatives you've considered
_No response_
### Additional context
_No response_
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