<query id="updateFileTargetType" action="update">
    <tables>
        <table name="files" />
    </tables>
    <columns>
        <column name="upload_target_type" var="upload_target_type" />
    </columns>
    <conditions>
        <condition operation="equal" column="file_srl" var="file_srl" filter="number" notnull="notnull" />
    </conditions>
</query>