xuyangzhong commented on code in PR #27159:
URL: https://github.com/apache/flink/pull/27159#discussion_r2467596175
##########
flink-table/flink-table-planner/src/main/java/org/apache/flink/table/planner/plan/utils/DeltaJoinUtil.java:
##########
@@ -83,7 +99,22 @@ public class DeltaJoinUtil {
Sets.newHashSet(
StreamPhysicalTableSourceScan.class,
StreamPhysicalExchange.class,
- StreamPhysicalDropUpdateBefore.class);
+ StreamPhysicalDropUpdateBefore.class,
+ StreamPhysicalCalc.class);
+
+ /**
+ * All supported {@link SourceAbilitySpec}s in sources. Only the sources
with the following
+ * {@link SourceAbilitySpec} can be used as delta join sources. Otherwise,
the regular join will
+ * not be optimized into * the delta join.
+ */
+ private static final Set<Class<?>> ALL_SUPPORTED_ABILITY_SPEC_IN_SOURCE =
+ Sets.newHashSet(
+ FilterPushDownSpec.class,
Review Comment:
Done
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