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Posted to issues@calcite.apache.org by "Danny Chen (Jira)" <ji...@apache.org> on 2019/12/12 01:09:00 UTC

[jira] [Updated] (CALCITE-3584) Propagate hints when decorrelating a query

     [ https://issues.apache.org/jira/browse/CALCITE-3584?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Danny Chen updated CALCITE-3584:
--------------------------------
    Summary: Propagate hints when decorrelating a query  (was: Support SQL hints propagation for decorrelation)

> Propagate hints when decorrelating a query
> ------------------------------------------
>
>                 Key: CALCITE-3584
>                 URL: https://issues.apache.org/jira/browse/CALCITE-3584
>             Project: Calcite
>          Issue Type: Sub-task
>          Components: core
>    Affects Versions: 1.21.0
>            Reporter: Danny Chen
>            Assignee: Danny Chen
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.22.0
>
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> In CALCITE-482, we have support a basic SQL hints framework to let other engines to extend and have their own hints implementations. But for the decorrelation, the hints would just lost.
> We should support that because most of the sub-queries needs decorrelation.



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