jtao15 commented on a change in pull request #8242:
URL: https://github.com/apache/pinot/pull/8242#discussion_r813408278
##########
File path:
pinot-controller/src/test/java/org/apache/pinot/controller/helix/core/PinotHelixResourceManagerTest.java
##########
@@ -671,6 +671,28 @@ private void testSegmentReplacementRegular()
Assert.assertEquals(segmentLineage.getLineageEntry(lineageEntryId4).getSegmentsTo(),
Arrays.asList("merged_t3_0", "merged_t3_1"));
Assert.assertEquals(segmentLineage.getLineageEntry(lineageEntryId4).getState(),
LineageEntryState.COMPLETED);
+
+ // Empty segmentsFrom won't revert previous lineage with empty segmentsFrom
+ // Start new segment replacement since the above entry is reverted
+ segmentsFrom = new ArrayList<>();
+ segmentsTo = Arrays.asList("s7", "s8");
+ String lineageEntryId5 = ControllerTestUtils.getHelixResourceManager()
+ .startReplaceSegments(OFFLINE_SEGMENTS_REPLACE_TEST_TABLE_NAME,
segmentsFrom, segmentsTo, false);
+ segmentLineage = SegmentLineageAccessHelper
+ .getSegmentLineage(ControllerTestUtils.getPropertyStore(),
OFFLINE_SEGMENTS_REPLACE_TEST_TABLE_NAME);
+ Assert.assertEquals(segmentLineage.getLineageEntryIds().size(), 5);
+
Assert.assertEquals(segmentLineage.getLineageEntry(lineageEntryId5).getSegmentsFrom(),
segmentsFrom);
+
Assert.assertEquals(segmentLineage.getLineageEntry(lineageEntryId5).getSegmentsTo(),
segmentsTo);
+
Assert.assertEquals(segmentLineage.getLineageEntry(lineageEntryId5).getState(),
LineageEntryState.IN_PROGRESS);
+
+ // Upload partial data
+
ControllerTestUtils.getHelixResourceManager().addNewSegment(OFFLINE_SEGMENTS_REPLACE_TEST_TABLE_NAME,
+
SegmentMetadataMockUtils.mockSegmentMetadata(OFFLINE_SEGMENTS_REPLACE_TEST_TABLE_NAME,
"s7"), "downloadUrl");
+
+ // Force cleanup, skip checking conflict on empty 'segmentsFrom'.
+ segmentsTo = Arrays.asList("s9", "s10");
+ ControllerTestUtils.getHelixResourceManager()
+ .startReplaceSegments(OFFLINE_SEGMENTS_REPLACE_TEST_TABLE_NAME,
segmentsFrom, segmentsTo, true);
Review comment:
Can we add the check that other lineage entries with empty
`SegmentsFrom` (lineageEntryId, lineageEntryId5) are not `REVERTED`?
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