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https://issues.apache.org/jira/browse/DRILL-8057?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17468690#comment-17468690
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ASF GitHub Bot commented on DRILL-8057:
---------------------------------------
lgtm-com[bot] commented on pull request #2388:
URL: https://github.com/apache/drill/pull/2388#issuecomment-1004908325
This pull request **introduces 5 alerts** when merging
ce046faa50fa78857640ca7546336e733cf9d965 into
fa2cb0f4937c0d8e797a675d8d6c13c316e48d4c - [view on
LGTM.com](https://lgtm.com/projects/g/apache/drill/rev/pr-de882f8198d8945d6a7c877a69fe541f9266856f)
**new alerts:**
* 5 for Spurious Javadoc @param tags
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> 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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