<query id="getOneFileInDocument" action="select">
    <tables>
        <table name="files" alias="files" />
        <table name="modules" alias="modules" />
        <table name="documents" alias="documents" />
    </tables>
    <columns>
        <column name="files.upload_target_srl" alias="document_srl" />
    </columns>
    <conditions>
        <condition operation="equal" column="modules.site_srl" var="site_srl" />
        <condition operation="in" column="modules.module_srl" var="module_srls" filter="numbers" pipe="and" />
        <condition operation="equal" column="files.module_srl" default="modules.module_srl" pipe="and" />
        <condition operation="equal" column="files.direct_download" var="direct_download" pipe="and" />
        <condition operation="equal" column="files.isvalid" var="isvalid" pipe="and" />
        <condition operation="equal" column="documents.document_srl" default="files.upload_target_srl" pipe="and" />
    </conditions>
    <groups>
        <group column="files.upload_target_srl" />
    </groups>
    <navigation>
        <index var="list_order" default="documents.list_order" order="asc" />
        <list_count var="list_count" default="20" />
    </navigation>
</query>