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https://issues.apache.org/jira/browse/JCR-3413?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13437948#comment-13437948
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Alexander Klimetschek commented on JCR-3413:
--------------------------------------------
JCR-SQL and Xpath share the same implementation and anything path-based is
considered a join (in xpath the query would be a join).
The spec mentions that jcr:path is a special property that is calculated on
demand at the end of a query:
http://www.day.com/specs/jcr/1.0/8.5.2.2_Pseudo-property_jcr_path.html "Such an
approach would be advantageous for those implementations in which path
calculation is expensive." Jackrabbit's index and (1.0) query engine is such a
case (paths are not indexed).
> Query with CONTAINS OR LIKE expression returns malformed result
> ---------------------------------------------------------------
>
> Key: JCR-3413
> URL: https://issues.apache.org/jira/browse/JCR-3413
> Project: Jackrabbit Content Repository
> Issue Type: Bug
> Components: jackrabbit-core
> Reporter: Dmitry Kuleshov
> Attachments: LikeOrContainsTest.java
>
>
> Seems that JCR-SQL queries with CONTAINS OR LIKE expressions return malformed
> results.
> The behavior is like AND operator is used to evaluate the results, though OR
> operator is mentioned in the query.
> To simplify The following test is failing:
> public void testLikeOrContainsClauses() throws Exception
> {
> Node foo = testRootNode.addNode("foo");
> foo.setProperty("mytext", new String[]{"the quick brown fox jumps over
> the lazy dog."});
> Node foo2 = testRootNode.addNode("foo2");
> foo2.setProperty("mytext", new String[]{"the quick brown dinosaur jumps
> over the lazy dog."});
> testRootNode.save();
> String sql =
> "SELECT * FROM nt:unstructured WHERE contains(., 'fox') " + "AND
> jcr:path LIKE '" + testRoot + "/foo2'";
> Query q = superuser.getWorkspace().getQueryManager().createQuery(sql,
> Query.SQL);
> QueryResult result = q.execute();
> checkResult(result, 0);
> sql = "SELECT * FROM nt:unstructured WHERE contains(., 'fox') ";
> q = superuser.getWorkspace().getQueryManager().createQuery(sql,
> Query.SQL);
> result = q.execute();
> checkResult(result, 1);
> sql = "SELECT * FROM nt:unstructured WHERE jcr:path LIKE '" + testRoot
> + "/foo2'";
> q = superuser.getWorkspace().getQueryManager().createQuery(sql,
> Query.SQL);
> result = q.execute();
> checkResult(result, 1);
> sql = "SELECT * FROM nt:unstructured WHERE contains(., 'fox') " + "OR
> jcr:path LIKE '" + testRoot + "/foo2'";
> q = superuser.getWorkspace().getQueryManager().createQuery(sql,
> Query.SQL);
> result = q.execute();
> checkResult(result, 2);
> }
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