firebase-js-sdk/e2e/data-connect/dataconnect/schema/schema.gql

# # Example schema for simple movie review app

# # User table is keyed by Firebase Auth UID.
# type User @table {
#   # `@default(expr: "auth.uid")` sets it to Firebase Auth UID during insert and upsert.
#   id: String! @default(expr: "auth.uid")
#   username: String! @col(dataType: "varchar(50)")
#   # The `user: User!` field in the Review table generates the following one-to-many query field.
#   #  reviews_on_user: [Review!]!
#   # The `Review` join table the following many-to-many query field.
#   #  movies_via_Review: [Movie!]!
# }

# # Movie is keyed by a randomly generated UUID.
type Movie @table {
  # If you do not pass a 'key' to `@table`, Data Connect automatically adds the following 'id' column.
  # Feel free to uncomment and customize it.
  #  id: UUID! @default(expr: "uuidV4()")
  title: String!
  imageUrl: String!
  genre: String
}

# # MovieMetadata is a metadata attached to a Movie.
# # Movie <-> MovieMetadata is a one-to-one relationship
# type MovieMetadata @table {
#   # @unique ensures each Movie can only one MovieMetadata.
#   movie: Movie! @unique
#   # The movie field adds the following foreign key field. Feel free to uncomment and customize it.
#   #  movieId: UUID!
#   rating: Float
#   releaseYear: Int
#   description: String
# }

# # Reviews is a join table between User and Movie.
# # It has a composite primary keys `userUid` and `movieId`.
# # A user can leave reviews for many movies. A movie can have reviews from many users.
# # User  <-> Review is a one-to-many relationship
# # Movie <-> Review is a one-to-many relationship
# # Movie <-> User is a many-to-many relationship
# type Review @table(name: "Reviews", key: ["movie", "user"]) {
#   user: User!
#   # The user field adds the following foreign key field. Feel free to uncomment and customize it.
#   #  userUid: String!
#   movie: Movie!
#   # The movie field adds the following foreign key field. Feel free to uncomment and customize it.
#   #  movieId: UUID!
#   rating: Int
#   reviewText: String
#   reviewDate: Date! @default(expr: "request.time")
# }