[
  {
    "type": "alter_table",
    "description": "Widen zipcode column in customers from VARCHAR(5) to VARCHAR(10) to support ZIP+4 and international postal codes",
    "database": "{{store}}",
    "check_query": "SELECT COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'customers' AND COLUMN_NAME = 'zipcode' AND CHARACTER_MAXIMUM_LENGTH >= 10",
    "sql": "ALTER TABLE `customers` MODIFY COLUMN `zipcode` VARCHAR(10) NOT NULL DEFAULT ''"
  }
]