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Posted to issues@calcite.apache.org by "Kevin Risden (JIRA)" <ji...@apache.org> on 2019/02/27 20:04:00 UTC

[jira] [Updated] (CALCITE-1956) Allow MultiJoin to contain multiple FULL joins

     [ https://issues.apache.org/jira/browse/CALCITE-1956?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kevin Risden updated CALCITE-1956:
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    Labels: pull-request-available  (was: )

> Allow MultiJoin to contain multiple FULL joins
> ----------------------------------------------
>
>                 Key: CALCITE-1956
>                 URL: https://issues.apache.org/jira/browse/CALCITE-1956
>             Project: Calcite
>          Issue Type: Bug
>            Reporter: MinJi Kim
>            Priority: Major
>              Labels: pull-request-available
>
> JoniToMultiJoinRule collapses multiple INNER joins into a single MultiJoin.  I was wondering if all the joins are full outer joins, couldn't we use the same logic to allow MultiJoins to contains multiple FULL joins?  This would allow LoptOptimizeJoinRule to re-order full outer joins, just like inner joins.



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