skipAssertion( fn (Schema $schema) => $schema->getTable($this->getPrefixedTableName())->hasColumn('uuid'), 'Column uuid already exists' ); } public function up(Schema $schema): void { $this->addSql("ALTER TABLE `{$this->getPrefixedTableName()}` ADD `uuid` CHAR(36) NULL DEFAULT NULL"); $this->addSql("UPDATE `{$this->getPrefixedTableName()}` SET `uuid` = UUID() WHERE `uuid` IS NULL"); } }