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Posted to issues@flink.apache.org by "Tzu-Li (Gordon) Tai (JIRA)" <ji...@apache.org> on 2018/03/12 15:38:01 UTC

[jira] [Reopened] (FLINK-7404) Table API batch join code-gen's equi-join conditions

     [ https://issues.apache.org/jira/browse/FLINK-7404?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tzu-Li (Gordon) Tai reopened FLINK-7404:
----------------------------------------

> Table API batch join code-gen's equi-join conditions
> ----------------------------------------------------
>
>                 Key: FLINK-7404
>                 URL: https://issues.apache.org/jira/browse/FLINK-7404
>             Project: Flink
>          Issue Type: Improvement
>          Components: Table API &amp; SQL
>    Affects Versions: 1.4.0, 1.3.2
>            Reporter: Fabian Hueske
>            Assignee: Fabian Hueske
>            Priority: Major
>             Fix For: 1.4.0, 1.3.4
>
>
> {{DataSetJoin}} generates code to evaluate equi-join conditions. However, these conditions are already evaluated by the DataSet join.
> Hence, the generated conditions result in unnecessary overhead.



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