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Posted to issues@drill.apache.org by "James Turton (Jira)" <ji...@apache.org> on 2022/01/31 09:44:00 UTC

[jira] [Closed] (DRILL-8057) INFORMATION_SCHEMA filter push down is inefficient

     [ https://issues.apache.org/jira/browse/DRILL-8057?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

James Turton closed DRILL-8057.
-------------------------------
    Resolution: Fixed

> INFORMATION_SCHEMA filter push down is inefficient
> --------------------------------------------------
>
>                 Key: DRILL-8057
>                 URL: https://issues.apache.org/jira/browse/DRILL-8057
>             Project: Apache Drill
>          Issue Type: Improvement
>          Components: Storage - Information Schema
>    Affects Versions: 1.19.0
>            Reporter: James Turton
>            Assignee: James Turton
>            Priority: Major
>             Fix For: 1.20.0
>
>
> WHERE clauses in queries against INFORMATION_SCHEMA do not stop Drill from fetching a schema hierarchy from all enabled storage configs.  This results in abysmal performance when unresponsive data sources are enabled, as reported by users in the Apache Drill Slack channels.



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