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https://issues.apache.org/jira/browse/DRILL-1786?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14256369#comment-14256369
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Venki Korukanti commented on DRILL-1786:
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RB: https://reviews.apache.org/r/29343/
> Pushdown filter into InfoSchema POJO Record Generator to avoid visiting
> unnecessary schemas
> -------------------------------------------------------------------------------------------
>
> Key: DRILL-1786
> URL: https://issues.apache.org/jira/browse/DRILL-1786
> Project: Apache Drill
> Issue Type: Improvement
> Components: Execution - Flow
> Affects Versions: 0.7.0, 0.8.0
> Reporter: Sean Hsuan-Yi Chu
> Assignee: Venki Korukanti
> Fix For: 0.8.0
>
> Attachments:
> 0001-DRILL-1786-Filter-Pushdown-into-InfoSchema-POJO-Reco.patch
>
>
> After a schema is chosen, we can query the table list in the specified schema
> by "show tables".
> However, I noticed the method "getTableNames()" in every storage-plugin is
> called through the life-cycle of this query. This seems not necessary.
> Especially, when you have an unresponsive data source (DRILL-1343), the query
> result would not be returned even if you type "show tables" under a healthy
> data source
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