<query id="getMonthlyArchivedList" action="select">
    <tables>
        <table name="documents" />
    </tables>
    <columns>
        <column name="substr(regdate,1,6)" alias="month"/>
        <column name="count(*)" alias="count" />
    </columns>
    <conditions>
        <condition operation="in" column="module_srl" var="module_srl" filter="number" />
    </conditions>
    <groups>
        <group column="substr(regdate,1,6)" />
    </groups>
</query>
