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Posted to issues@calcite.apache.org by "Lantao Jin (JIRA)" <ji...@apache.org> on 2018/12/06 03:21:00 UTC

[jira] [Commented] (CALCITE-2727) Extracting view table references should shift to an earlier in loop to speed up rewriting

    [ https://issues.apache.org/jira/browse/CALCITE-2727?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16710933#comment-16710933 ] 

Lantao Jin commented on CALCITE-2727:
-------------------------------------

PR https://github.com/apache/calcite/pull/957

> Extracting view table references should shift to an earlier in loop to speed up rewriting
> -----------------------------------------------------------------------------------------
>
>                 Key: CALCITE-2727
>                 URL: https://issues.apache.org/jira/browse/CALCITE-2727
>             Project: Calcite
>          Issue Type: Bug
>          Components: core
>            Reporter: Lantao Jin
>            Assignee: Julian Hyde
>            Priority: Major
>
> In perform() of AbstractMaterializedViewRule, when we iterate through all applicable materializations trying to rewrite the given query, extracting view table references should shift to an earlier in loop to speed up rewriting. Specially, it uses {{return}}  instead of {{continue}}. Is it a mistake?



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