jayzhan211 commented on issue #15872:
URL: https://github.com/apache/datafusion/issues/15872#issuecomment-2833729992
It seems like the syntax you mentioned is not supported yet
```
statement count 0
create table t(a varchar) as values ('a'), ('b');
query error DataFusion error: Error during planning: Cannot create filter
with non\-boolean predicate 'regexp_match\(t\.a, Utf8\("a"\)\)' returning
List\(Field \{ name: "item", data_type: Utf8, nullable: true, dict_id: 0,
dict_is_ordered: false, metadata: \{\} \}\)
select * from t where regexp_match(a, 'a');
query ?
select regexp_match(a, 'a') from t;
----
[a]
NULL
```
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