BEGIN;

DROP INDEX IF EXISTS ops_resource_reference_certificate_expiry_idx;
ALTER TABLE ops_resource_reference DROP CONSTRAINT ops_resource_reference_certificate_expiry_check;
ALTER TABLE ops_resource_reference DROP COLUMN expires_at;
ALTER TABLE ops_resource_reference DROP CONSTRAINT ops_resource_reference_resource_type_check;
ALTER TABLE ops_resource_reference
    ADD CONSTRAINT ops_resource_reference_resource_type_check
    CHECK (resource_type IN ('PROVIDER_CREDENTIAL','VOICE_RESOURCE','MODEL_RESOURCE'));

COMMIT;