You are viewing a plain text version of this content. The canonical link for it is here.

Posted to issues@calcite.apache.org by "Ruben Q L (Jira)" <ji...@apache.org> on 2020/04/10 09:20:00 UTC

[jira] [Resolved] (CALCITE-3833) Support SemiJoin in EnumerableMergeJoin

     [ https://issues.apache.org/jira/browse/CALCITE-3833?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ruben Q L resolved CALCITE-3833.
--------------------------------
    Resolution: Fixed

> Support SemiJoin in EnumerableMergeJoin
> ---------------------------------------
>
>                 Key: CALCITE-3833
>                 URL: https://issues.apache.org/jira/browse/CALCITE-3833
>             Project: Calcite
>          Issue Type: New Feature
>          Components: core
>    Affects Versions: 1.21.0
>            Reporter: Ruben Q L
>            Assignee: Ruben Q L
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.23.0
>
>          Time Spent: 2h
>  Remaining Estimate: 0h
>
> Currently, {{EnumerableMergeJoin}} only supports INNER joins. The goal of this ticket is to improve this join operator in order to support SEMI joins too.
> Note: {{RelMdCollation#mergeJoin}} will need to be modified too: in case of SEMI join, it must return just the {{leftCollations}}.



--
This message was sent by Atlassian Jira
(v8.3.4#803005)