class Root(RootType):
books = many(lambda: select(Book))
book = single_or_null(lambda: select(Book))
@book.arg("id", GraphQLInt)
def book_id(query, book_id):
return query.filter(BookRecord.c_id == book_id)
author = single_or_null(lambda: select(Author))
@author.arg("id", GraphQLInt)
def author_id(query, author_id):
return query.filter(AuthorRecord.c_id == author_id)
class Root(RootType):
author = single_or_null(lambda: self._join_to_authors(count=0))
class Root(RootType):
author = single_or_null(lambda: StaticDataObjectType.select(Author))