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Posted to issues@calcite.apache.org by "Francesco Gini (Jira)" <ji...@apache.org> on 2021/12/05 10:02:00 UTC

[jira] [Commented] (CALCITE-4907) JDBC adapter cannot push down join ON TRUE (cartesian product) or ON FALSE

    [ https://issues.apache.org/jira/browse/CALCITE-4907?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17453552#comment-17453552 ] 

Francesco Gini commented on CALCITE-4907:
-----------------------------------------

done thanks for the feedback

>  JDBC adapter cannot push down join ON TRUE (cartesian product) or ON FALSE
> ---------------------------------------------------------------------------
>
>                 Key: CALCITE-4907
>                 URL: https://issues.apache.org/jira/browse/CALCITE-4907
>             Project: Calcite
>          Issue Type: Bug
>          Components: jdbc-adapter
>    Affects Versions: 1.28.0
>            Reporter: Francesco Gini
>            Assignee: Francesco Gini
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.29.0
>
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> JDBC adapter (in JdbcJoinRule) cannot push down join ON TRUE (cartesian product) or ON FALSE. This results in implementing the join in memory via _EnumerableNestedLoopJoin_ which is a less efficient implementation.



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