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https://issues.apache.org/jira/browse/LENS-1028?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15266347#comment-15266347
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Sushil Mohanty commented on LENS-1028:
--------------------------------------
Review request : https://reviews.apache.org/r/46890/
> Convert dimension filter to fact filters for perfomace improvement on outer
> join queries
> ----------------------------------------------------------------------------------------
>
> Key: LENS-1028
> URL: https://issues.apache.org/jira/browse/LENS-1028
> Project: Apache Lens
> Issue Type: Improvement
> Components: cube
> Reporter: Sushil Mohanty
> Assignee: Sushil Mohanty
> Fix For: 2.6
>
>
> Filters like the following can be converted to fact filters. This will help
> in improving query performance by pushing down filter to driving table i.e
> fact.
> e.g.
> where dim.name in ('x', 'y')
> becomes
> where fact.dimid in (select dim.id from dim where dim.name in ('x','y'))
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