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