[jira] [Reopened] (JCR-3219) regression with self-join queries

["Jukka Zitting (Reopened) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/JCR-3219?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jukka Zitting reopened JCR-3219:
--------------------------------


Reopening to adjust resolution
                
> regression with self-join queries
> ---------------------------------
>
>                 Key: JCR-3219
>                 URL: https://issues.apache.org/jira/browse/JCR-3219
>             Project: Jackrabbit Content Repository
>          Issue Type: Bug
>          Components: jackrabbit-jcr-server, query, sql
>            Reporter: David Buchmann
>            Priority: Minor
>         Attachments: JCR-3219-test.patch
>
>
> affects version 2.3.7
> running a query that joins on the same node type against 2.3.6 returns 1 result, while running it against 2.3.7 returns the same node 3 times. if i join two different node types, i get only one result row...
> to reproduce: in my repository, i have 2 unstructured nodes with the same jcr:mimeType and one of them having the field zeronumber with value 0.
>             QueryManager qm = s.getWorkspace().getQueryManager();
>             Query q = qm.createQuery("SELECT data.zeronumber FROM [nt:unstructured] AS data INNER JOIN [nt:unstructured] AS second ON data.[jcr:mimeType] = second.[jcr:mimeType] WHERE data.zeronumber = 0", Query.JCR_JQOM);
>             QueryResult r = q.execute();
>             RowIterator i = r.getRows();
>             while (i.hasNext()) {
>                 Row n = i.nextRow();
>                 System.out.println(n.getPath("data"));
>             }
> jukka suspects this could be introduced by JCR-3198

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