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https://issues.apache.org/jira/browse/HIVE-7535?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Prasanth J updated HIVE-7535:
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Attachment: HIVE-7535.1.patch
> Make use of number of nulls column statistics in filter rule
> ------------------------------------------------------------
>
> Key: HIVE-7535
> URL: https://issues.apache.org/jira/browse/HIVE-7535
> Project: Hive
> Issue Type: Sub-task
> Components: Query Processor, Statistics
> Affects Versions: 0.14.0
> Reporter: Prasanth J
> Assignee: Prasanth J
> Priority: Minor
> Fix For: 0.13.0
>
> Attachments: HIVE-7535.1.patch
>
>
> The filter rule does not make use of number of nulls column statistics for
> "IS NULL" and "IS NOT NULL" expression evaluation.
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