45_add_table_check_constraint.json

{
  "name": "45_add_table_check_constraint",
  "operations": [
    {
      "create_constraint": {
        "type": "check",
        "table": "tickets",
        "name": "check_zip_name",
        "columns": [
          "sellers_name",
          "sellers_zip"
        ],
        "check": "sellers_name = 'alice' OR sellers_zip > 0",
        "up": {
          "sellers_name": "sellers_name",
          "sellers_zip": "SELECT CASE WHEN sellers_name != 'alice' AND sellers_zip <= 0 THEN 123 WHEN sellers_name != 'alice' THEN sellers_zip ELSE sellers_zip END"
        },
        "down": {
          "sellers_name": "sellers_name",
          "sellers_zip": "sellers_zip"
        }
      }
    }
  ]
}