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Posted to dev@jackrabbit.apache.org by "Jukka Zitting (JIRA)" <ji...@apache.org> on 2010/12/17 12:27:00 UTC

[jira] Created: (JCR-2849) Make QueryResult.getNodes() work also for certain join queries

Make QueryResult.getNodes() work also for certain join queries
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                 Key: JCR-2849
                 URL: https://issues.apache.org/jira/browse/JCR-2849
             Project: Jackrabbit Content Repository
          Issue Type: Improvement
          Components: jackrabbit-core, query
            Reporter: Jukka Zitting
            Priority: Minor


There are some people who are relying on the pre- JCR-2715 behaviour where a QueryResult.getNodes() will return a node iterator for one selector of a join query even if the JCR 2.0 spec explicitly says that the method should throw a RepositoryException in such cases.

For convenience and to avoid breaking such code, we might want to make the getNodes() method work at least for inner joins (i.e. no null nodes possible) where the SELECT clause contains just a single selector.* entry that identifies the selector that the client is interested in.

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[jira] Resolved: (JCR-2849) Make QueryResult.getNodes() work also for certain join queries

Posted by "Jukka Zitting (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/JCR-2849?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jukka Zitting resolved JCR-2849.
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    Resolution: Won't Fix
      Assignee: Jukka Zitting

Resolving as Won't Fix, since it's possible (and even likely) for a join query to return the same node in multiple rows, which makes it difficult to determine what the potential getNodes() call for a join query result should actually return.

> Make QueryResult.getNodes() work also for certain join queries
> --------------------------------------------------------------
>
>                 Key: JCR-2849
>                 URL: https://issues.apache.org/jira/browse/JCR-2849
>             Project: Jackrabbit Content Repository
>          Issue Type: Improvement
>          Components: jackrabbit-core, query
>            Reporter: Jukka Zitting
>            Assignee: Jukka Zitting
>            Priority: Minor
>
> There are some people who are relying on the pre- JCR-2715 behaviour where a QueryResult.getNodes() will return a node iterator for one selector of a join query even if the JCR 2.0 spec explicitly says that the method should throw a RepositoryException in such cases.
> For convenience and to avoid breaking such code, we might want to make the getNodes() method work at least for inner joins (i.e. no null nodes possible) where the SELECT clause contains just a single selector.* entry that identifies the selector that the client is interested in.

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