test data model

data-model

entity Region {
  name String required,
  continent String
}

entity Country {
  code String required maxlength(3),
  name String required,
  surfaceArea Float,
  indepYear Long,
  population Long,
  lifeExpectancy Float,
  gnp Float,
  gnpOld Float,
  localName String,
  governmentForm String,
  headOfState String,
  isoCode2 String maxlength(2),
  callingCode Long,
  capital Long
}

entity City {
  name String required,
  division String,
  description String,
  population Long
}

entity Location {
    streetAddress String required,
    streetAddressLine2 String,
    /**
    * Also known as zip
    */
    postalCode String,
    /**
    * Also known as state
    */
    stateProvince String,
    lat Float,
    lon Float
}

relationship ManyToOne {
    Country{region(name)} to Region
}

relationship ManyToOne {
    Location{city(name)} to City
}

relationship ManyToOne {
    City{country(name)} to Country
}