aokolnychyi commented on code in PR #9020:
URL: https://github.com/apache/iceberg/pull/9020#discussion_r1396246503
##########
spark/v3.5/spark/src/test/java/org/apache/iceberg/spark/actions/TestRewriteManifestsAction.java:
##########
@@ -649,6 +659,243 @@ public void
testRewriteLargeManifestsEvolvedUnpartitionedV1Table() throws IOExce
assertThat(manifests).hasSizeGreaterThanOrEqualTo(2);
}
+ @Test
+ public void testRewriteSmallDeleteManifestsNonPartitionedTable() throws
IOException {
+ assumeThat(formatVersion).isGreaterThan(1);
+
+ PartitionSpec spec = PartitionSpec.unpartitioned();
+ Map<String, String> options = Maps.newHashMap();
+ options.put(TableProperties.FORMAT_VERSION, String.valueOf(formatVersion));
+ options.put(TableProperties.SNAPSHOT_ID_INHERITANCE_ENABLED,
snapshotIdInheritanceEnabled);
+ Table table = TABLES.create(SCHEMA, spec, options, tableLocation);
+
+ // commit data records
+ List<ThreeColumnRecord> records =
+ Lists.newArrayList(
+ new ThreeColumnRecord(1, null, "AAAA"),
+ new ThreeColumnRecord(2, "BBBBBBBBBB", "BBBB"),
+ new ThreeColumnRecord(3, "CCCCCCCCCC", "CCCC"),
+ new ThreeColumnRecord(4, "DDDDDDDDDD", "DDDD"));
+ writeRecords(records);
+
+ // commit a position delete file to remove records where c1 = 1 OR c1 = 2
+ List<Pair<CharSequence, Long>> posDeletes = generatePosDeletes("c1 = 1 OR
c1 = 2");
+ Pair<DeleteFile, CharSequenceSet> posDeleteWriteResult =
writePosDeletes(table, posDeletes);
+ table
+ .newRowDelta()
+ .addDeletes(posDeleteWriteResult.first())
+ .validateDataFilesExist(posDeleteWriteResult.second())
+ .commit();
+
+ // commit an equality delete file to remove all records where c1 = 3
+ DeleteFile eqDeleteFile = writeEqDeletes(table, "c1", 3);
+ table.newRowDelta().addDeletes(eqDeleteFile).commit();
+
+ // the current snapshot should contain 1 data manifest and 2 delete
manifests
+ List<ManifestFile> originalManifests =
table.currentSnapshot().allManifests(table.io());
+ assertThat(originalManifests).hasSize(3);
+
+ SparkActions actions = SparkActions.get();
+
+ RewriteManifests.Result result =
+ actions
+ .rewriteManifests(table)
+ .option(RewriteManifestsSparkAction.USE_CACHING, useCaching)
+ .execute();
+
+ // the original delete manifests must be combined
+ assertThat(result.rewrittenManifests()).hasSize(2);
Review Comment:
Added.
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