1 ALTER TABLE trove_group_link DROP COLUMN trove_group_id;
2 DROP SEQUENCE trove_group_link_pk_seq;
3 ALTER TABLE trove_group_link ADD FOREIGN KEY (trove_cat_root) REFERENCES trove_cat(trove_cat_id);
5 ALTER TABLE group_plugin DROP COLUMN group_plugin_id;
6 DROP SEQUENCE group_plugin_pk_seq;
7 CREATE INDEX groupplugin_pluginid ON group_plugin (plugin_id);