szehon-ho commented on code in PR #6760:
URL: https://github.com/apache/iceberg/pull/6760#discussion_r1191691240
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spark/v3.3/spark-extensions/src/test/java/org/apache/iceberg/spark/extensions/TestRewriteDataFilesProcedure.java:
##########
@@ -245,6 +245,51 @@ public void testRewriteDataFilesWithFilter() {
assertEquals("Data after compaction should not change", expectedRecords,
actualRecords);
}
+ @Test
+ public void testRewriteDataFilesWithDeterministicTrueFilter() {
+ createTable();
+ // create 10 files under non-partitioned table
+ insertData(10);
+ List<Object[]> expectedRecords = currentData();
+ // select all 10 files for compaction
+ List<Object[]> output =
+ sql(
+ "CALL %s.system.rewrite_data_files(table => '%s', where => '1=1')",
+ catalogName, tableIdent);
+ assertEquals(
+ "Action should rewrite 10 data files and add 1 data files",
+ row(10, 1),
+ Arrays.copyOf(output.get(0), 2));
+ // verify rewritten bytes separately
+ assertThat(output.get(0)).hasSize(3);
+ assertThat(output.get(0)[2])
+ .isInstanceOf(Long.class)
+
.isEqualTo(Long.valueOf(snapshotSummary().get(SnapshotSummary.REMOVED_FILE_SIZE_PROP)));
+ List<Object[]> actualRecords = currentData();
+ assertEquals("Data after compaction should not change", expectedRecords,
actualRecords);
+ }
+
+ @Test
+ public void testRewriteDataFilesWithDeterministicFalseFilter() {
+ createTable();
+ // create 10 files under non-partitioned table
+ insertData(10);
+ List<Object[]> expectedRecords = currentData();
+ // select only 0 files for compaction
+ List<Object[]> output =
+ sql(
+ "CALL %s.system.rewrite_data_files(table => '%s', where => '0=1')",
+ catalogName, tableIdent);
+ assertEquals(
+ "Action should rewrite 0 data files and add 0 data files",
+ row(0, 0),
+ Arrays.copyOf(output.get(0), 2));
Review Comment:
You mean the assert fails? How about row(0,0,0L?)
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