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From "David Buchmann (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (JCR-3219) regression with self-join queries
Date Tue, 24 Jan 2012 15:24:40 GMT
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

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();

jukka suspects this could be introduced by JCR-3198

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