addSql('ALTER TABLE permission_groups ADD flags JSONB DEFAULT \'[]\' NOT NULL'); $this->addSql('ALTER TABLE group_centers ALTER permissionsgroup_id DROP NOT NULL'); } public function down(Schema $schema): void { $this->addSql('ALTER TABLE permission_groups DROP COLUMN flags'); $this->addSql('ALTER TABLE group_centers ALTER permissionsgroup_id SET DEFAULT NULL'); } }