<query id="getDocumentsExtraVars" action="select">
    <tables>
        <table name="document_extra_keys" alias="extra_keys" />
        <table name="document_extra_vars" alias="extra_vars" type="left join">
            <conditions>
                <condition operation="equal" column="extra_keys.module_srl" default="extra_vars.module_srl" />
                <condition operation="in" column="extra_vars.document_srl" var="document_srl" pipe="and" />
                <condition operation="equal" column="extra_keys.eid" default="extra_vars.eid" pipe="and" />
            </conditions>
        </table>
    </tables>
    <columns>
        <column name="extra_keys.module_srl" alias="module_srl" />
        <column name="extra_keys.var_name" alias="name" />
        <column name="extra_keys.var_type" alias="type" />
        <column name="extra_keys.var_is_required" alias="is_required" />
        <column name="extra_keys.var_search" alias="search" />
        <column name="extra_keys.var_default" alias="default" />
        <column name="extra_keys.var_desc" alias="desc" />
        <column name="extra_keys.var_idx" alias="idx" />
        <column name="extra_vars.document_srl" alias="document_srl" />
        <column name="extra_vars.lang_code" alias="lang_code" />
        <column name="extra_vars.value" alias="value" />
        <column name="extra_keys.eid" alias="eid" />
    </columns>
    <navigation>
        <index var="sort_index" default="extra_keys.var_idx" order="asc" />
    </navigation>
</query>