--- /dev/null
+alter table user_group
+ add uri varchar(255) unique key comment 'universal identifier',
+ add mainpage varchar(255) comment 'page for group info to link to',
+ drop index nickname;
+
+create table local_group (
+
+ group_id integer primary key comment 'group represented' references user_group (id),
+ nickname varchar(64) unique key comment 'group represented',
+
+ created datetime not null comment 'date this record was created',
+ modified timestamp comment 'date this record was modified'
+
+) ENGINE=InnoDB CHARACTER SET utf8 COLLATE utf8_bin;
+
+insert into local_group (group_id, nickname, created, modified)
+ select id, nickname, created, modified from user_group;