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Posted to dev@lens.apache.org by "Divakar Tomar (JIRA)" <ji...@apache.org> on 2017/08/21 10:42:00 UTC

[jira] [Comment Edited] (LENS-1420) Bug fixes in cube segmentation final rewritten query

    [ https://issues.apache.org/jira/browse/LENS-1420?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16133013#comment-16133013 ] 

Divakar Tomar edited comment on LENS-1420 at 8/21/17 10:41 AM:
---------------------------------------------------------------

case 3 still persists. When same column appears twice in the query , it comes only once in the rewritten query (when segmentation is the selected candidate) and appears twice in group by clause.

all other cases are verified.


was (Author: divakar_tomar):
case 3 still persists. When same column appears twice in the query , it comes only once in the rewritten query (when segmentation is the selected candidate).

> Bug fixes in cube segmentation final rewritten query 
> -----------------------------------------------------
>
>                 Key: LENS-1420
>                 URL: https://issues.apache.org/jira/browse/LENS-1420
>             Project: Apache Lens
>          Issue Type: Bug
>          Components: cube
>            Reporter: Sushil Mohanty
>            Assignee: Sushil Mohanty
>             Fix For: 2.7
>
>         Attachments: LENS-1420_1.patch
>
>
> Found the below issues in fact-to-fact union and cube  segmentation rewritten query.
> 1. Expressions used in having clause are not resolved in the final rewritten query incase of picked candidate is a segmentation.
> 2. Alias is not being replaced in order by clause for segmentation queries.
> 3. Query with two dim attributes referring to same join chain ending with wrong alias replacement.



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