text: CREATE TABLE IF NOT EXISTS `successfulMigration` (
      `identifier` VARCHAR(255) NOT NULL ,
      `migratedUp` BOOLEAN NOT NULL ,
      `timestamp` DOUBLE NOT NULL ,
      `batchNumber` DOUBLE NOT NULL ,
      PRIMARY KEY (`identifier`)
  ) ENGINE = InnoDB;
  
  CREATE TABLE IF NOT EXISTS `migrationLock` (
      `lockKey` VARCHAR(255) NOT NULL ,
      PRIMARY KEY (`lockKey`)
  ) ENGINE = InnoDB;
  