id, acoperator, username, realname, grouptype, usergroup, ipaddress, action, actype, createtime, description, params, acresult, error select id, acoperator, username, realname, grouptype, grouptype_name, usergroup, usergroup_name, ipaddress, action, actype, createtime, description, params, acresult, error from (select ac_log.id as id, ac_log.acoperator as acoperator, ac_user.username as username, ac_user.realname as realname, ac_log.grouptype as grouptype, ac_grouptype.name as grouptype_name, ac_log.usergroup as usergroup, ac_group.name as usergroup_name, ac_log.ipaddress as ipaddress, ac_log.action as action, ac_log.actype as actype, ac_log.createtime as createtime, ac_log.description as description, ac_log.params as params, ac_log.acresult as acresult, ac_log.error as error FROM ac_log left join ac_user on ac_log.acoperator = ac_user.id left join ac_grouptype on ac_log.grouptype = cast(ac_grouptype.id as VARCHAR) left join ac_group on ac_log.usergroup = ac_group.acgroup) t ${ew.customSqlSegment}