ajantha-bhat commented on code in PR #6090:
URL: https://github.com/apache/iceberg/pull/6090#discussion_r1102265083
##########
core/src/test/java/org/apache/iceberg/TestRemoveSnapshots.java:
##########
@@ -1234,6 +1243,95 @@ public void
testMultipleRefsAndCleanExpiredFilesFailsForIncrementalCleanup() {
.commit());
}
+ @Test
+ public void testExpireWithStatisticsFiles() throws IOException {
+ table.newAppend().appendFile(FILE_A).commit();
+ String statsFileLocation1 = statsFileLocation(table.location());
+ StatisticsFile statisticsFile1 =
+ writeStatsFileForCurrentSnapshot(
+ table.currentSnapshot().snapshotId(),
+ table.currentSnapshot().sequenceNumber(),
+ statsFileLocation1,
+ table.io());
+ commitStats(table.newTransaction(), statisticsFile1);
+ Assert.assertEquals(
+ "Must match the latest snapshot",
+ table.currentSnapshot().snapshotId(),
+ statisticsFile1.snapshotId());
+
+ table.newAppend().appendFile(FILE_B).commit();
+ String statsFileLocation2 = statsFileLocation(table.location());
+ StatisticsFile statisticsFile2 =
+ writeStatsFileForCurrentSnapshot(
+ table.currentSnapshot().snapshotId(),
+ table.currentSnapshot().sequenceNumber(),
+ statsFileLocation2,
+ table.io());
+ commitStats(table.newTransaction(), statisticsFile2);
+ Assert.assertEquals(
+ "Must match the latest snapshot",
+ table.currentSnapshot().snapshotId(),
+ statisticsFile2.snapshotId());
+
+ Assert.assertEquals("Should have 2 statistics file", 2,
table.statisticsFiles().size());
+
+ long tAfterCommits =
waitUntilAfter(table.currentSnapshot().timestampMillis());
+ removeSnapshots(table).expireOlderThan(tAfterCommits).commit();
+
+ Assert.assertEquals("Should keep 1 snapshot", 1,
Iterables.size(table.snapshots()));
+ Assertions.assertThat(table.statisticsFiles())
+ .hasSize(1)
+ .extracting(StatisticsFile::snapshotId)
+ .as("Should contain only the statistics file of snapshot2")
+ .isEqualTo(Lists.newArrayList(statisticsFile2.snapshotId()));
+
+ Assertions.assertThat(new File(statsFileLocation1).exists()).isFalse();
+ Assertions.assertThat(new File(statsFileLocation2).exists()).isTrue();
+ }
+
+ @Test
+ public void testExpireWithStatisticsFilesWithReuse() throws IOException {
+ table.newAppend().appendFile(FILE_A).commit();
+ String statsFileLocation1 = statsFileLocation(table.location());
+ StatisticsFile statisticsFile1 =
+ writeStatsFileForCurrentSnapshot(
+ table.currentSnapshot().snapshotId(),
+ table.currentSnapshot().sequenceNumber(),
+ statsFileLocation1,
+ table.io());
+ commitStats(table.newTransaction(), statisticsFile1);
+ Assert.assertEquals(
+ "Must match the latest snapshot",
+ table.currentSnapshot().snapshotId(),
+ statisticsFile1.snapshotId());
+
+ table.newAppend().appendFile(FILE_B).commit();
+ // Note: RewriteDataFiles can reuse statistics files across operations.
+ // This test reuses stats for append just to mimic this scenario without
having to run
+ // RewriteDataFiles.
Review Comment:
ok. rephrased it.
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org
For additional commands, e-mail: issues-h...@iceberg.apache.org
