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https://issues.apache.org/jira/browse/KYLIN-1150?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shao Feng Shi closed KYLIN-1150.
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> Segment pruning based on partition column's hierarchies
> -------------------------------------------------------
>
> Key: KYLIN-1150
> URL: https://issues.apache.org/jira/browse/KYLIN-1150
> Project: Kylin
> Issue Type: Improvement
> Reporter: Hongbin Ma
> Assignee: Hongbin Ma
> Priority: Major
>
> current query engine will prune segments if the query has filters on
> partition column. In many cases, partition columns comes with hierarchies.
> for example if the partition column is daystart, it may come with
> monthstart,yearstart columns. Filters on monthstart,yearstart should also
> help to prune segments
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