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https://issues.apache.org/jira/browse/FLINK-7404?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tzu-Li (Gordon) Tai reopened FLINK-7404:
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> 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 & 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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