davidradl commented on code in PR #27277:
URL: https://github.com/apache/flink/pull/27277#discussion_r2565093063
##########
docs/content/docs/dev/table/tuning.md:
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@@ -348,7 +348,7 @@ JOIN t2 ON t1.id = t2.id
JOIN t3 ON t1.id = t3.id;
```
-The hint approach allows you to selectively apply the MultiJoin optimization
to specific query blocks without enabling it globally. You can specify either
table names or table aliases in the hint. For more details on the MULTI_JOIN
hint, see [Join Hints]({{< ref "docs/dev/table/sql/queries/hints"
>}}#multi_join).
+The hint approach allows you to selectively apply the MultiJoin optimization
to specific query blocks without enabling it globally. For more details on the
MULTI_JOIN hint, see [Join Hints]({{< ref "docs/dev/table/sql/queries/hints"
>}}#multi_join). The configuration setting takes precedence over the hint.
Review Comment:
@gustavodemorais
I wonder if we could make it a little clearer please:
- adding a link to the configuration option docs would be good.
- Also if TABLE_OPTIMIZER_MULTI_JOIN_ENABLED=false does that means it wins
and the hints do not work?
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