xishuaidelin commented on code in PR #26616:
URL: https://github.com/apache/flink/pull/26616#discussion_r2122925969


##########
flink-table/flink-table-planner/src/main/java/org/apache/flink/table/planner/plan/nodes/exec/common/CommonExecLookupJoin.java:
##########
@@ -481,7 +516,14 @@ private StreamOperatorFactory<RowData> 
createAsyncLookupJoin(
                             isLeftOuterJoin,
                             asyncLookupOptions.asyncBufferCapacity);
         }
-
+        if (asyncLookupOptions.keyOrdered) {
+            checkNotNull(keySelector);
+            return new TableKeyedAsyncWaitOperatorFactory<>(

Review Comment:
   TableKeyedAsyncWaitOperatorFactory serves for Table layer while 
AsyncWaitOperatorFactory serves for DataStream. We just want to implement 
without modify existing methods in DataStream.



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