-- Migration from 049 to 050\012\012-- add data set status \012ALTER TABLE external_data ADD COLUMN is_locked BOOLEAN NOT NULL DEFAULT FALSE;\012ALTER TABLE external_data ADD COLUMN status VARCHAR(100) NOT NULL DEFAULT 'ACTIVE';\012ALTER TABLE external_data ADD CONSTRAINT exda_status_enum_ck \012      CHECK (status IN ('ACTIVE', 'ARCHIVED', 'ACTIVATION_IN_PROGRESS', 'ARCHIVIZATION_IN_PROGRESS')); \012-- \012