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Posted to issues@calcite.apache.org by "Xiening Dai (Jira)" <ji...@apache.org> on 2019/11/08 17:40:00 UTC

[jira] [Assigned] (CALCITE-3487) Should not hard code RelMetadataQuery class in VolcanoPlanner.isValid()

     [ https://issues.apache.org/jira/browse/CALCITE-3487?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xiening Dai reassigned CALCITE-3487:
------------------------------------

    Assignee: Xiening Dai

> Should not hard code RelMetadataQuery class in VolcanoPlanner.isValid()
> -----------------------------------------------------------------------
>
>                 Key: CALCITE-3487
>                 URL: https://issues.apache.org/jira/browse/CALCITE-3487
>             Project: Calcite
>          Issue Type: Bug
>            Reporter: Xiening Dai
>            Assignee: Xiening Dai
>            Priority: Major
>
> With CALCITE-3446, a calcite user can choose to provide a sub-class of RelMetadataQuery through RelOptCluster.setMetadataQuery(). We cannot assume the base class RelMetadataQuery is always used in planner.



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