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From "Alex Parvulescu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (JCR-2959) SQL2 QueryEngine should use Lucene for sort
Date Thu, 25 Aug 2011 10:26:29 GMT

    [ https://issues.apache.org/jira/browse/JCR-2959?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13090912#comment-13090912
] 

Alex Parvulescu commented on JCR-2959:
--------------------------------------

I've added a new test suite that includes the changes to the 2.3 performance tests in revision
#1161481.

So we can compare the 2 sort implementations. (it will also help see the evolution of the
new impl).

> SQL2 QueryEngine should use Lucene for sort
> -------------------------------------------
>
>                 Key: JCR-2959
>                 URL: https://issues.apache.org/jira/browse/JCR-2959
>             Project: Jackrabbit Content Repository
>          Issue Type: Improvement
>          Components: jackrabbit-core
>    Affects Versions: 2.2.1
>            Reporter: Robert Seidel
>            Priority: Minor
>         Attachments: JCR-2959.patch
>
>
> Currently all SQL2 queries with "order by" expression are sorted with Collections.sort
- which is slow and very bad if there are lots of hits. Lucene should be used for sorting
hits instead.

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