select count(*) from role; select * from role where ROLE_MANAGERID=#{roleManagerId} order by ROLE_ID DESC select * from role where ROLE_MANAGERID = #{roleManagerId} order by ${orderBy} asc desc limit ${pageNo*pageSize},#{pageSize} insert into role ROLE_NAME, ROLE_MANAGERID #{roleName}, #{roleManagerId} delete r,rm from role r left join role_model rm on r.ROLE_ID=rm.RM_ROLEID left join model m on m.MODEL_ID=rm.RM_MODELID where r.ROLE_ID=#{roleId}; DELETE FROM `role` ROLE_ID in #{item} select ROLE_ID,ROLE_NAME,ROLE_MANAGERID from role where ROLE_ID=#{roleId}; select * from role where ROLE_NAME = #{roleName} and ROLE_MANAGERID = #{roleManagerId} update role ROLE_NAME=#{roleName}, ROLE_MANAGERID=#{roleManagerId} where ROLE_ID = #{roleId} select count(*) from role where ROLE_NAME = #{roleName} and ROLE_MANAGERID = #{roleManagerId} select count(*) from role where ROLE_MANAGERID = #{roleManagerId} select * from role