snuyanzin commented on code in PR #26857:
URL: https://github.com/apache/flink/pull/26857#discussion_r2245266161
##########
flink-table/flink-table-planner/src/test/java/org/apache/flink/table/planner/operations/SqlDdlToOperationConverterTest.java:
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@@ -2200,7 +2200,24 @@ public void testFailedToAlterTableAddDistribution()
throws Exception {
}
@Test
- public void testFailedToAlterTableModifyDistribution() throws Exception {
+ void testNonEmptyDistributionNotChangedWithOtherModify() throws Exception {
+ final CatalogTable table = prepareTableWithDistribution("tb1", true);
+
+ assertThat(table.getDistribution()).isPresent();
+
assertThat(table.getDistribution().get().getBucketKeys()).containsExactly("c");
+
+ final Operation operation =
+ parse("ALTER TABLE tb1 MODIFY WATERMARK FOR ts AS ts -
INTERVAL '1' MINUTE");
+
+ assertThat(operation).isInstanceOf(AlterTableChangeOperation.class);
+ Optional<TableDistribution> distribution =
+ ((AlterTableChangeOperation)
operation).getNewTable().getDistribution();
+ assertThat(distribution).isPresent();
+ assertThat(distribution.get().getBucketKeys()).containsExactly("c");
+ }
+
Review Comment:
the test to verify the change
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