[
  {
    "type": "alter_table",
    "description": "Widen regionCode from VARCHAR(3) to VARCHAR(10) to support codes like FLSA (Federal), and make ruleJson nullable for preset rules that have no custom JSON",
    "database": "kiosk_users",
    "check_query": "SELECT 1 FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = 'kiosk_users' AND TABLE_NAME = 'scheduleOvertimeRules' AND COLUMN_NAME = 'regionCode' AND CHARACTER_MAXIMUM_LENGTH >= 10",
    "sql": "ALTER TABLE `scheduleOvertimeRules` MODIFY COLUMN `regionCode` VARCHAR(10) NOT NULL, MODIFY COLUMN `ruleJson` TEXT DEFAULT NULL"
  }
]