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Posted to issues@drill.apache.org by "James Turton (Jira)" <ji...@apache.org> on 2021/11/29 14:45:00 UTC

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

James Turton created DRILL-8057:
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             Summary: 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
             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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