<query id="updateDocumentsSecret" action="update">
    <tables>
        <table name="documents" />
    </tables>
    <columns>
        <column name="is_secret" var="is_secret" notnull="notnull" />
	</columns>
	<conditions>
        <condition operation="in" column="document_srl" var="document_srl" filter="number" notnull="notnull" />
    </conditions>
</query>
