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Posted to issues@calcite.apache.org by "Stamatis Zampetakis (JIRA)" <ji...@apache.org> on 2019/02/27 23:18:00 UTC

[jira] [Updated] (CALCITE-500) Ensure EnumerableJoin hashes the smallest input

     [ https://issues.apache.org/jira/browse/CALCITE-500?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stamatis Zampetakis updated CALCITE-500:
----------------------------------------
    Labels: newbie pull-request-available  (was: newbie)

> Ensure EnumerableJoin hashes the smallest input
> -----------------------------------------------
>
>                 Key: CALCITE-500
>                 URL: https://issues.apache.org/jira/browse/CALCITE-500
>             Project: Calcite
>          Issue Type: Bug
>    Affects Versions: 1.0.0-incubating
>            Reporter: Vladimir Sitnikov
>            Assignee: Atri Sharma
>            Priority: Major
>              Labels: newbie, pull-request-available
>         Attachments: lookup.png
>
>
> {{EnumerableJoin}} tries to put the smallest input the first, however when it comes to execution, Calcite creates lookup for _second_ input of join.
> It would be nice to ensure the lookup is created on the smallest input.



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