Open-ILS/src/sql/Pg/upgrade/ZZZZ.schema.issuance_scap_fkey.sql

   1 BEGIN;
   2
   3 ALTER TABLE serial.issuance DROP CONSTRAINT IF EXISTS issuance_caption_and_pattern_fkey;
   4
   5 -- Using NOT VALID and VALIDATE CONSTRAINT limits the impact to concurrent work.
   6 -- For details, see: https://www.postgresql.org/docs/current/static/sql-altertable.html
   7
   8 ALTER TABLE serial.issuance ADD CONSTRAINT issuance_caption_and_pattern_fkey
   9     FOREIGN KEY (caption_and_pattern)
  10     REFERENCES serial.caption_and_pattern (id)
  11     ON DELETE CASCADE
  12     DEFERRABLE INITIALLY DEFERRED
  13     NOT VALID;
  14
  15 ALTER TABLE serial.issuance VALIDATE CONSTRAINT issuance_caption_and_pattern_fkey;
  16
  17 COMMIT;
  18