[
  {
    "type": "alter_table",
    "description": "Add drsEarliestDataDate column to stores table for POS data boundary tracking (spec 043)",
    "database": "kiosk_buykiosk",
    "check_query": "SHOW COLUMNS FROM `stores` LIKE 'drsEarliestDataDate'",
    "sql": "ALTER TABLE `stores` ADD COLUMN `drsEarliestDataDate` date DEFAULT NULL COMMENT 'Earliest date the desktop DRS app has POS data for (reported by desktop)' AFTER `drsApiKey`"
  }
]