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From "Thomas Mueller (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (OAK-2022) XPath queries with "order by" are never converted to "union"
Date Tue, 12 Aug 2014 10:13:13 GMT

    [ https://issues.apache.org/jira/browse/OAK-2022?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14093934#comment-14093934
] 

Thomas Mueller commented on OAK-2022:
-------------------------------------

[~edivad], no, your query is not related to this issue. Union queries are only used to speed
up "or" conditions, and your query doesn't have any "or" condition. If your query is slow,
then it's something else.

> XPath queries with "order by" are never converted to "union"
> ------------------------------------------------------------
>
>                 Key: OAK-2022
>                 URL: https://issues.apache.org/jira/browse/OAK-2022
>             Project: Jackrabbit Oak
>          Issue Type: Bug
>          Components: query
>    Affects Versions: 1.0
>            Reporter: Thomas Mueller
>            Assignee: Thomas Mueller
>             Fix For: 1.1, 1.0.5
>
>
> XPath queries with "or" conditions are usually converted to "union", however this is
not done if there is an "order by" clause.
> Union queries do support "order by", so I don't currently see a reason for this restriction
any more.



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