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[python][ray] Fix flaky primary-key group writer test - #10439
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JingsongLi merged 2 commits intoOct 8, 2026
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XiaoHongbo-Hope
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October 8, 2026 08:48
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Fix a flaky Ray primary-key group writer test. Ray's group-by shuffle does not preserve input row order, so the surviving duplicate-key row need not be the last input row. The test now accepts any input row while retaining its single-file, single-row, and subsequent-write checks.
Test:
python -m pytest pypaimon/tests/ray_repartition_test.py::RayShuffleTest::test_primary_key_group_writer_does_not_depend_on_fusion -q(passed).