kazantsev-maksim commented on code in PR #3356:
URL: https://github.com/apache/datafusion-comet/pull/3356#discussion_r2759737324
##########
spark/src/test/resources/sql-tests/expressions/map/map_from_arrays.sql:
##########
@@ -26,9 +26,7 @@ INSERT INTO test_map_from_arrays VALUES (array('a', 'b',
'c'), array(1, 2, 3)),
query spark_answer_only
SELECT map_from_arrays(k, v) FROM test_map_from_arrays WHERE k IS NOT NULL
--- Comet bug: map_from_arrays(NULL, NULL) causes native crash "map key cannot
be null"
--- https://github.com/apache/datafusion-comet/issues/3327
-query ignore(https://github.com/apache/datafusion-comet/issues/3327)
+query spark_answer_only
SELECT map_from_arrays(k, v) FROM test_map_from_arrays WHERE k IS NULL
Review Comment:
I think it will be the same behavior: in the original data, value == null
when key == null.
```sql
statement
INSERT INTO test_map_from_arrays VALUES (array('a', 'b', 'c'), array(1, 2,
3)), (array(), array()), (NULL, NULL)
```
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