<?xml version="1.0" encoding="UTF-8"?>
<bm:model xmlns:bm="http://www.leaf-framework.org/schema/bm" needAccessControl="false">
    <bm:operations>
        <bm:operation name="query">
            <bm:query-sql><![CDATA[
                SELECT
                    *
                FROM
                    (SELECT DISTINCT
                        cc.city_n AS city_id_n,
                        (SELECT COUNT(1) FROM CON_CONTRACT_CAL_EASY_LV t WHERE t.city_n = cc.city_n
                        ) sum_count
                    FROM
                        CON_CONTRACT_CAL_EASY_LV cc
                    ) t1
                WHERE
                    t1.sum_count > 0
            ]]></bm:query-sql>
        </bm:operation>
    </bm:operations>
</bm:model>