select id,name from section select id,name from section where pid = #{pid,jdbcType=INTEGER} select id,name from section where pid in #{item} select id,name from section where id in #{item} select id,name,pid from section where id = #{id} SELECT DISTINCT s.pid FROM section s WHERE s.id IN #{item} SELECT s.id,s.`name` FROM section s WHERE s.pid = #{pid} AND s.id IN #{item} insert into section(pid,`name`,createtime,timezone) values (#{pid},#{name},#{createTime},#{timezone}) select count(*) from section s where s.pid = #{pid} and s.name = #{name} and s.id != #{id} update section s set s.name = #{name} where s.id = #{id} select s.pid from section s where s.id = #{id} delete from section where id = #{id}; SELECT s.id,s.name,s.pid FROM section s select s.id,s.name,s.pid from section s left join global_location a on s.pid = a.id left join global_location c on a.pid = c.id left join global_location p on c.pid = p.id left join global_location g on p.pid = g.id where g.id = #{id}