extend()#
relationalai.Type
#Type.extend(self, *args: Type, **kwargs: Any) -> None
Extends the type with all objects from the types passed as positional arguments.
Keyword arguments are set as properties on the objects.
You can call Type.extend() outside of a rule or query context.
Parameters#
| Name | Type | Description |
|---|---|---|
*args | Type | Any additional types to which the object being added belongs. |
*kwargs | Any | Properties to set on the objects. |
Returns#
None.
Example#
#import relationalai as rai
model = rai.Model("books")
# Create a type named Book.
Book = model.Type("Book")
Fiction = model.Type("Fiction")
Fantasy = model.Type("Fantasy")
SciFi = model.Type("SciFi")
# Add some book instances to the Book type.
with model.rule():
Book.add(SciFi, name="Foundation", author="Isaac Asimov")
Book.add(Fantasy, name="The Hobbit", author="J.R.R. Tolkien")
# The finction type should include all Fantasy and SciFi books,
# so we extend it with the Fantasy and SciFi types.
Fiction.extend(Fantasy)
Fiction.extend(SciFi)