BEGIN; SELECT evergreen.upgrade_deps_block_check('1064', :eg_version); ALTER TABLE serial.issuance DROP CONSTRAINT IF EXISTS issuance_caption_and_pattern_fkey; -- Using NOT VALID and VALIDATE CONSTRAINT limits the impact to concurrent work. -- For details, see: https://www.postgresql.org/docs/current/static/sql-altertable.html ALTER TABLE serial.issuance ADD CONSTRAINT issuance_caption_and_pattern_fkey FOREIGN KEY (caption_and_pattern) REFERENCES serial.caption_and_pattern (id) ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED NOT VALID; ALTER TABLE serial.issuance VALIDATE CONSTRAINT issuance_caption_and_pattern_fkey; COMMIT;