<query id="getDocumentExtraVars" action="select">
    <tables>
        <table name="document_extra_vars" alias="extra_vars" />
    </tables>
    <columns>
        <column name="*" />
    </columns>
    <conditions>
        <condition operation="more" column="extra_vars.module_srl" default="-1" notnull="notnull" pipe="and" />
        <condition operation="in" column="extra_vars.document_srl" var="document_srl" notnull="notnull" pipe="and" />
        <condition operation="more" column="extra_vars.var_idx" default="-2" pipe="and" />
    </conditions>
</query>
