LEFT JOIN ( SELECT t3.class_id, sum( 1 ) AS cnt FROM class_member_mapping t3 WHERE t3.delete_date IS NULL GROUP BY t3.class_id ) t4 ON t.id = t4.class_id
LEFT JOIN ( SELECT t3.class_id, sum( 1 ) AS cnt FROM class_member_mapping t3 WHERE t3.delete_date IS NULL GROUP
BY t3.class_id ) t4 ON t.id = t4.class_id
WHERE
WHERE
t.delete_date IS NULL
t.delete_date IS NULL
AND t2.delete_date IS NULL
AND t2.delete_date IS NULL
and t.company_id = #{companyId}
and t.company_id = #{companyId}
<iftest="className != null and className !=''">
and t.class_name like concat('%',#{className} ,'%')
and t.class_name like concat('%',#{className} ,'%')