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Posted to issues@calcite.apache.org by "Jesus Camacho Rodriguez (JIRA)" <ji...@apache.org> on 2018/05/03 19:51:00 UTC

[jira] [Commented] (CALCITE-2300) Improve messages shown in materialized view-based rewriting algorithm

    [ https://issues.apache.org/jira/browse/CALCITE-2300?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16462980#comment-16462980 ] 

Jesus Camacho Rodriguez commented on CALCITE-2300:
--------------------------------------------------

[~julianhyde], do you have any specific feedback about this issue? I do not see much use of the logger in Calcite, so I was wondering whether this should be fine. Thanks

> Improve messages shown in materialized view-based rewriting algorithm
> ---------------------------------------------------------------------
>
>                 Key: CALCITE-2300
>                 URL: https://issues.apache.org/jira/browse/CALCITE-2300
>             Project: Calcite
>          Issue Type: Improvement
>    Affects Versions: 1.16.0
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>            Priority: Major
>
> Currently, we do not log or expose any information on why a specific rewriting based on a materialized view was not triggered. Probably we should do that at a very high level of granularity, for instance using the logger TRACE level. This will help 1) debugging possible missing rewriting options, and 2) possibly providing feedback to user if needed.



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