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Test grouping by FixedSizeList #17415

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Sep 4, 2025
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Test grouping by FixedSizeList #17415

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14 changes: 13 additions & 1 deletion datafusion/sqllogictest/test_files/array.slt
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Original file line number Diff line number Diff line change
Expand Up @@ -8062,7 +8062,19 @@ select arrow_typeof(a) from fixed_size_col_table;
FixedSizeList(Field { name: "item", data_type: Int32, nullable: true, dict_id: 0, dict_is_ordered: false, metadata: {} }, 3)
FixedSizeList(Field { name: "item", data_type: Int32, nullable: true, dict_id: 0, dict_is_ordered: false, metadata: {} }, 3)

statement error
query ? rowsort
SELECT DISTINCT a FROM fixed_size_col_table
----
[1, 2, 3]
[4, 5, 6]

query ?I rowsort
SELECT a, count(*) FROM fixed_size_col_table GROUP BY a
----
[1, 2, 3] 1
[4, 5, 6] 1

statement error Cast error: Cannot cast to FixedSizeList\(3\): value at index 0 has length 2
create table varying_fixed_size_col_table (a int[3]) as values ([1,2,3]), ([4,5]);

# https://github.com/apache/datafusion/issues/16187
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