DROP TABLE IF EXISTS `ROLLBACK-vendor_restricted_features`;; CREATE TABLE `ROLLBACK-vendor_restricted_features` SELECT * FROM vendor_restricted_features GROUP BY vendor_id, feature_id HAVING COUNT(*) > 1;; DELETE vrf.* FROM vendor_restricted_features vrf INNER JOIN `ROLLBACK-vendor_restricted_features` rvrf ON vrf.vendor_restricted_features_id = rvrf.vendor_restricted_features_id;; ALTER TABLE vendor_restricted_features DROP PRIMARY KEY, ADD PRIMARY KEY (vendor_id, feature_id), ADD UNIQUE INDEX unique_idx (vendor_restricted_features_id);; ALTER TABLE vendor_restricted_features DROP PRIMARY KEY, ADD PRIMARY KEY (vendor_restricted_features_id);; INSERT INTO vendor_restricted_features (vendor_id, feature_id) SELECT vendor_id, feature_id FROM `ROLLBACK-vendor_restricted_features`;; DROP TABLE IF EXISTS `ROLLBACK-vendor_restricted_features`;;