[
  {
    "type": "alter_table",
    "description": "Convert customerSurvey.comments to utf8mb4 to support emoji characters",
    "database": "{{store}}",
    "check_query": "SELECT COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'customerSurvey' AND COLUMN_NAME = 'comments' AND CHARACTER_SET_NAME = 'utf8mb4'",
    "sql": "ALTER TABLE `customerSurvey` MODIFY COLUMN `comments` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci DEFAULT NULL"
  }
]