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Posted to issues@flink.apache.org by "Jianhui Dong (Jira)" <ji...@apache.org> on 2022/10/25 07:54:00 UTC

[jira] [Commented] (FLINK-23687) Introduce partitioned lookup join to enforce input of LookupJoin to hash shuffle by lookup keys

    [ https://issues.apache.org/jira/browse/FLINK-23687?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17623631#comment-17623631 ] 

Jianhui Dong commented on FLINK-23687:
--------------------------------------

Hello [~jingzhang] .

I was trying to implement hash lookup join for our internal flink, and found the FLIP-204. I'd like to ensure compatibility with the flink community as much as possible, so I wonder if we have decided to use /*+ SHUFFLE_HASH('DIM_TABLE') */  hint as a final solution.

Thanks!

> Introduce partitioned lookup join to enforce input of LookupJoin to hash shuffle by lookup keys
> -----------------------------------------------------------------------------------------------
>
>                 Key: FLINK-23687
>                 URL: https://issues.apache.org/jira/browse/FLINK-23687
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Table SQL / Planner
>            Reporter: Jing Zhang
>            Assignee: Jing Zhang
>            Priority: Major
>              Labels: pull-request-available, stale-assigned
>
> Add Sql query hint to enable LookupJoin shuffle by join key of left input



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