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test: Extend Spark Array functions: array_repeat , shuffle and slice test coverage #20420

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test: Extend Spark Array functions: array_repeat , shuffle and slice test coverage #20420

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20 changes: 20 additions & 0 deletions datafusion/sqllogictest/test_files/spark/array/array_repeat.slt
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,26 @@ SELECT array_repeat('123', -1);
----
[]

query ?
SELECT array_repeat('123', CAST('2' AS INT));
----
[123, 123]

query ?
SELECT array_repeat(123, 3);
----
[123, 123, 123]

query ?
SELECT array_repeat('2001-09-28T01:00:00'::timestamp, 2);
----
[2001-09-28T01:00:00, 2001-09-28T01:00:00]

query ?
SELECT array_repeat(array_repeat('123', CAST('2' AS INT)), CAST('3' AS INT));
----
[[123, 123], [123, 123], [123, 123]]

query ?
SELECT array_repeat(['123'], 2);
----
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20 changes: 20 additions & 0 deletions datafusion/sqllogictest/test_files/spark/array/shuffle.slt
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Expand Up @@ -87,6 +87,26 @@ SELECT shuffle(column1, 1) FROM test_shuffle_fixed_size;
[9, NULL, 8]
NULL

query ?
SELECT shuffle(['2001-09-28T01:00:00'::timestamp, '2001-08-28T01:00:00'::timestamp, '2001-07-28T01:00:00'::timestamp, '2001-06-28T01:00:00'::timestamp, '2001-05-28T01:00:00'::timestamp], 1);
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@comphead comphead Feb 19, 2026

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not related to the PR, but how it comes shuffle which is non deterministic https://spark.apache.org/docs/latest/api/sql/#shuffle has stable output 🤔

----
[2001-09-28T01:00:00, 2001-06-28T01:00:00, 2001-07-28T01:00:00, 2001-08-28T01:00:00, 2001-05-28T01:00:00]

query ?
SELECT shuffle(shuffle([1, 20, NULL, 3, 100, NULL, 98, 99], 1), 1);
----
[1, 99, NULL, 98, 100, NULL, 3, 20]

query ?
SELECT shuffle([' ', NULL, 'abc'], 1);
----
[ , NULL, abc]

query ?
SELECT shuffle([1, 2, 3, 4], CAST('2' AS INT));
----
[1, 4, 2, 3]

# Clean up
statement ok
DROP TABLE test_shuffle_list_types;
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15 changes: 15 additions & 0 deletions datafusion/sqllogictest/test_files/spark/array/slice.slt
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Expand Up @@ -99,3 +99,18 @@ FROM VALUES
NULL
NULL
NULL

query ?
SELECT slice(['2001-09-28T01:00:00'::timestamp, '2001-08-28T01:00:00'::timestamp, '2001-07-28T01:00:00'::timestamp, '2001-06-28T01:00:00'::timestamp, '2001-05-28T01:00:00'::timestamp], 1, 3);
----
[2001-09-28T01:00:00, 2001-08-28T01:00:00, 2001-07-28T01:00:00]

query ?
SELECT slice(slice([1, 2, 3, 4], 1, 3), 1, 2);
----
[1, 2]

query ?
SELECT slice([1, 2, 3, 4], CAST('2' AS INT), 4);
----
[2, 3, 4]
4 changes: 3 additions & 1 deletion docs/source/contributor-guide/testing.md
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Expand Up @@ -70,7 +70,9 @@ DataFusion's SQL implementation is tested using [sqllogictest](https://github.co
cargo test --profile=ci --test sqllogictests
# Run a specific test file
cargo test --profile=ci --test sqllogictests -- aggregate.slt
# Run and update expected outputs
# Run a specific test file and update expected outputs
cargo test --profile=ci --test sqllogictests -- aggregate.slt --complete
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@comphead comphead Feb 19, 2026

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this looks unrelated to the PR

# Run and update expected outputs for all test files
cargo test --profile=ci --test sqllogictests -- --complete
```

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