MySQL视图(view)
MySQL中视图的那点东西
1 CREATE VIEW `org_relation_view` AS select `tgroup`.`name_` AS `groupName`,`tuser`.`fullname_` AS `userName`,`role`.`name_` AS `roleName`,concat(`tgroup`.`name_`,'-',`role`.`name_`) AS `postName`,concat(`tgroup`.`id_`,'-',`role`.`id_`) AS `postId`,`relation`.`id_` AS `id_`,`relation`.`group_id_` AS `group_id_`,`relation`.`user_id_` AS `user_id_`,`relation`.`is_master_` AS `is_master_`,`relation`.`role_id_` AS `role_id_`,`relation`.`status_` AS `status_`,`relation`.`type_` AS `type_`,`relation`.`create_time_` AS `create_time_`,`relation`.`create_by_` AS `create_by_`,`relation`.`update_time_` AS `update_time_`,`relation`.`update_by_` AS `update_by_` from (((`org_relation` `relation` left join `org_user` `tuser` on((`relation`.`user_id_` = `tuser`.`id_`))) left join `org_group` `tgroup` on((`relation`.`group_id_` = `tgroup`.`id_`))) left join `org_role` `role` on((`relation`.`role_id_` = `role`.`id_`)))