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Support DictionaryString for Regex matching operators #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
Activity
alamb commentedon Sep 25, 2024
Thanks @goldmedal -- this is a great find
goldmedal commentedon Sep 28, 2024
Related TODO item:
datafusion/datafusion/sqllogictest/test_files/string/string_query.slt.part
Line 645 in c21d025
datafusion/datafusion/sqllogictest/test_files/string/large_string.slt
Line 46 in c21d025
datafusion/datafusion/sqllogictest/test_files/string/string.slt
Line 37 in c21d025
datafusion/datafusion/sqllogictest/test_files/string/string_view.slt
Line 40 in c21d025
blaginin commentedon Oct 2, 2024
I want to take those type issues if you don't mind, @goldmedal and Andrew. It feels like a nice way to get into in the project 😀
blaginin commentedon Oct 2, 2024
take
alamb commentedon Oct 3, 2024
Thank you @blaginin
BTW here is an example that might help #12712