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JCR xpath query
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created by <a href="http://community.jboss.org/people/my600080">Ming Yu</a> in <i>Beginner's Corner</i> - <a href="http://community.jboss.org/message/634669#634669">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi, I have a question regarding a jcr xpath query. Here is an example similar to the one on jboss's website:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><a class="jive-link-anchor-small"><p class="table-contents" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></a></p><table border="1" style="border-width: 1px; border-color: #aaaaaa; border-style: solid;" summary="Specifying property constraints"><tbody><tr><td align="left" style="border:1px solid black;border-style: solid;border-color: #aaaaaa;border-width: 1px;border-style: none;padding-left: 0.5em;padding-bottom: 0.15em;padding-right: 0.5em;padding-top: 0.15em;"><code class="code" style="font-size: 0.9em; font-family: verdana, helvetica, sans-serif;">//element(*,my:type)[./*/*/@id=1 and ./*/*/@name='test']</code></td></tr></tbody></table><p><a class="jive-link-anchor-small"><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>This xpath query is equivillent to the following sql select statement:</p></a></p><table border="1" style="border-width: 1px; border-color: #aaaaaa; border-style: solid;" summary="Specifying property constraints"><tbody><tr><td align="left" style="border:1px solid black;border-style: solid;border-color: #aaaaaa;border-width: 1px;border-style: none;padding-left: 0.5em;padding-bottom: 0.15em;padding-right: 0.5em;padding-top: 0.15em;"><pre class="programlisting" style="font-size: 0.9em; font-family: verdana, helvetica, sans-serif; background-color: #f5f5f5; padding-top: 5px; padding-right: 15px; padding-bottom: 5px; padding-left: 25px; border-left-width: 1px; border-top-color: #cccccc; border-right-color: #cccccc; border-bottom-color: #cccccc;"><p>SELECT * FROM [my:type] </p><p>JOIN [nt:base] as nodeSet1 ON ISCHILDNODE(nodeSet1,[my:type]) </p><p>JOIN [nt:base] as nodeSet2 ON ISCHILDNODE(nodeSet2,nodeSet1) </p><p>WHERE nodeSet2.id = 1 and nodeSet2.name = 'test'</p></pre></td></tr></tbody></table><p><a class="jive-link-anchor-small"><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></a></p><p>What I want to achieve is to get all entries from my:type that have a two level down childnode with id = 1 AND name = 'test'. So, these two constraints have to be met on any ONE child node.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>But this query will actually do this: any two level down childnode contains id = 1 or name = 'test'.  The childnode can be different childnode as long as one meets id = 1 and the other one meets name = 'test'.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>How can I achive my goal with xpath query?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Thanks a lot!</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Ming</p></div>
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