CREATE TABLE IF NOT EXISTS `schema_migrations` (
  `id` INT UNSIGNED NOT NULL AUTO_INCREMENT,
  `migration` VARCHAR(255) NOT NULL,
  `checksum` CHAR(64) NOT NULL,
  `batch` INT UNSIGNED NOT NULL DEFAULT 1,
  `executed_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  UNIQUE KEY `uniq_schema_migrations_migration` (`migration`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
