-- Change events table check constraint (add 'GROUP')\012\012ALTER TABLE events DROP CONSTRAINT evnt_et_enum_ck;\012ALTER TABLE events ADD CONSTRAINT evnt_et_enum_ck CHECK \012\011\011(entity_type IN ('ATTACHMENT', 'DATASET', 'EXPERIMENT', 'GROUP', 'MATERIAL', 'PROJECT', 'PROPERTY_TYPE', 'SAMPLE', 'VOCABULARY'));\012