[ 
https://issues.apache.org/jira/browse/LENS-1028?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15288477#comment-15288477
 ] 

Hudson commented on LENS-1028:
------------------------------

FAILURE: Integrated in Lens-Commit #1247 (See 
[https://builds.apache.org/job/Lens-Commit/1247/])
LENS-1028 : Convert dimension filter to fact filters for perfomace 
(amareshwari: rev f3e6bc54263c3d5612449bb9b957b110524a9e50)
* lens-cube/src/test/java/org/apache/lens/cube/parse/TestCubeRewriter.java
* lens-cube/src/main/java/org/apache/lens/cube/parse/CubeQueryContext.java


> 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
>
>         Attachments: LENS-1028-6.patch, LENS-1028-7.patch
>
>
> 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'))



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Reply via email to