Signed-off-by: Jason Stephenson <jstephenson@mvlcstaff.org>
--- /dev/null
+--Upgrade Script for 2.9.3 to 2.9.4
+\set eg_version '''2.9.4'''
+BEGIN;
+INSERT INTO config.upgrade_log (version, applied_to) VALUES ('2.9.4', :eg_version);
+
+SELECT evergreen.upgrade_deps_block_check('0977', :eg_version); -- Callender/Dyrcona/gmcharlt
+
+ALTER TABLE biblio.monograph_part DROP CONSTRAINT "record_label_unique";
+CREATE UNIQUE INDEX record_label_unique_idx ON biblio.monograph_part (record, label) WHERE deleted = FALSE;
+
+COMMIT;