<query id="updateDocumentExtraKey" action="update">
    <tables>
        <table name="document_extra_keys" />
    </tables>
    <columns>
        <column name="var_name" var="var_name" notnull="notnull" />
        <column name="var_type" var="var_type" notnull="notnull" />
        <column name="var_is_required" var="var_is_required" default="N" notnull="notnull" />
        <column name="var_search" var="var_search" default="N" notnull="notnull" />
        <column name="var_default" var="var_default" />
        <column name="var_desc" var="var_desc" />
        <column name="eid" var="eid" notnull="notnull" />
    </columns>
    <conditions>
        <condition operation="equal" column="module_srl" var="module_srl" filter="number" notnull="notnull" />
        <condition operation="equal" column="var_idx" var="var_idx" filter="number" notnull="notnull" pipe="and" />
    </conditions>
</query>
