swuferhong commented on code in PR #20513:
URL: https://github.com/apache/flink/pull/20513#discussion_r951050522
##########
docs/content/docs/dev/table/sql/queries/hints.md:
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@@ -84,4 +84,205 @@ insert into kafka_table1 /*+
OPTIONS('sink.partitioner'='round-robin') */ select
```
+## Query Hints
+
+`Query Hints` specify that the indicated hints are used in the scope of a
query. They affect all operators in the statement.
Review Comment:
> It's necessary to clarify the effective scope of a query hint, especially
the mechanism of hints propagation, this is important for users.
Done!
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