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Posted to issues@calcite.apache.org by "Haisheng Yuan (Jira)" <ji...@apache.org> on 2020/04/28 18:00:00 UTC

[jira] [Commented] (CALCITE-3949) RelDistributions.of() and RelCollations.of() should canonize trait instance

    [ https://issues.apache.org/jira/browse/CALCITE-3949?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17094731#comment-17094731 ] 

Haisheng Yuan commented on CALCITE-3949:
----------------------------------------

PR: https://github.com/apache/calcite/pull/1952

> RelDistributions.of() and RelCollations.of() should canonize trait instance
> ---------------------------------------------------------------------------
>
>                 Key: CALCITE-3949
>                 URL: https://issues.apache.org/jira/browse/CALCITE-3949
>             Project: Calcite
>          Issue Type: Bug
>          Components: core
>            Reporter: Haisheng Yuan
>            Priority: Major
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Otherwise, in Sort constructor, the assertion might fail.
> assert traits.containsIfApplicable(collation)



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