Querying by part of message body

Querying by part of message body
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This feature allows user to query for messages or collections containing messages which in body of a message contained text passed by user.

To execute request in which user wants to find messages with "test failed" string XMPP client needs to add following element

<query xmlns="http://tigase.org/protocol/archive#query">
    <contains>test failed</contains>
</query>

as child element of @retrieve@ or @list@ element of request.

Example query requests

Example 1

Retrieving messages with "test failed" string with user juliet@capulet.com between 2014-01-01 00:00:00 and 2014-05-01 00:00:00

<iq type="get" id="query2">
    <retrieve xmlns='urn:xmpp:archive'
        with='juliet@capulet.com'
        from='2014-01-01T00:00:00Z'
        end='2014-05-01T00:00:00Z'>
          <query xmlns="http://tigase.org/protocol/archive#query">
              <contains>test failed</contains>
          </query>
    </retrieve>
</iq>

Example 2

Retrieving collections containing messages with "test failed" string with user juliet@capulet.com between 2014-01-01 00:00:00 and 2014-05-01 00:00:00

<iq type="get" id="query2">
    <list xmlns='urn:xmpp:archive'
        with='juliet@capulet.com'
        from='2014-01-01T00:00:00Z'
        end='2014-05-01T00:00:00Z'>
          <query xmlns="http://tigase.org/protocol/archive#query">
              <contains>test failed</contains>
          </query>
    </list>
</iq>