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https://issues.apache.org/jira/browse/FLINK-33396?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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xuyang updated FLINK-33396:
---------------------------
Summary: The table alias should be removed in the final plan when using
join hints (was: The table alias when using join hints should be removed in
the final plan)
> The table alias should be removed in the final plan when using join hints
> --------------------------------------------------------------------------
>
> Key: FLINK-33396
> URL: https://issues.apache.org/jira/browse/FLINK-33396
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Affects Versions: 1.16.0, 1.17.0, 1.18.0
> Reporter: xuyang
> Priority: Major
>
> See the existent test
> 'NestLoopJoinHintTest#testJoinHintWithJoinHintInCorrelateAndWithAgg', the
> plan is
> {code:java}
> HashJoin(joinType=[LeftSemiJoin], where=[=(a1, EXPR$0)], select=[a1, b1],
> build=[right], tryDistinctBuildRow=[true])
> :- Exchange(distribution=[hash[a1]])
> : +- TableSourceScan(table=[[default_catalog, default_database, T1]],
> fields=[a1, b1])
> +- Exchange(distribution=[hash[EXPR$0]])
> +- LocalHashAggregate(groupBy=[EXPR$0], select=[EXPR$0])
> +- Calc(select=[EXPR$0])
> +- HashAggregate(isMerge=[true], groupBy=[a1], select=[a1,
> Final_COUNT(count$0) AS EXPR$0])
> +- Exchange(distribution=[hash[a1]])
> +- LocalHashAggregate(groupBy=[a1], select=[a1,
> Partial_COUNT(a2) AS count$0])
> +- NestedLoopJoin(joinType=[InnerJoin], where=[=(a2, a1)],
> select=[a2, a1], build=[right])
> :- TableSourceScan(table=[[default_catalog,
> default_database, T2, project=[a2], metadata=[]]], fields=[a2],
> hints=[[[ALIAS options:[T2]]]])
> +- Exchange(distribution=[broadcast])
> +- TableSourceScan(table=[[default_catalog,
> default_database, T1, project=[a1], metadata=[]]], fields=[a1],
> hints=[[[ALIAS options:[T1]]]]) {code}
> The hints about alias should be removed such as "hints=[[[ALIAS
> options:[T1]]]]".
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