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test(processing): avoid flaky incremental index cursor ordering #19857

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Merged
kfaraz merged 1 commit into from
Aug 3, 2026
Merged

test(processing): avoid flaky incremental index cursor ordering #19857

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13 changes: 8 additions & 5 deletions ...src/test/java/org/apache/druid/segment/incremental/IncrementalIndexCursorFactoryTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -232,11 +232,14 @@ public void testSanity() throws Exception

Assert.assertEquals(2, results.size());

ResultRow row = results.get(0);
Assert.assertArrayEquals(new Object[]{null, "bo", 1L}, row.getArray());

row = results.get(1);
Assert.assertArrayEquals(new Object[]{"hi", null, 1L}, row.getArray());
// GroupingEngine.process returns raw grouped results without applying the query's order-by post-processing.
// The result order is therefore not guaranteed when the incremental index is not sorted by dimensions.
Assert.assertTrue(
results.stream().anyMatch(row -> Arrays.deepEquals(new Object[]{null, "bo", 1L}, row.getArray()))
);
Assert.assertTrue(
results.stream().anyMatch(row -> Arrays.deepEquals(new Object[]{"hi", null, 1L}, row.getArray()))
);
}

@Test
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