rhymix/modules/session/queries/getLoggedMembers.xml

<query id="getLoggedMembers" action="select">
    <tables>
        <table name="session" />
    </tables>
    <columns>
        <column name="member_srl" />
    </columns>
    <conditions>
        <condition operation="more" column="last_update" var="last_update" notnull="notnull" />
    </conditions>
    <navigation>
        <list_count var="list_count" default="20" />
        <page_count var="page_count" default="10" />
        <page var="page" default="1" />
    </navigation>
    <groups>
        <group column="member_srl" />
    </groups>
</query>