Loading docs/topics/migrations.txt +9 −0 Original line number Diff line number Diff line Loading @@ -244,6 +244,15 @@ it's entirely possible to write them manually if you need to. Some of the more complex operations are not autodetectable and are only available via a hand-written migration, so don't be scared about editing them if you have to. Custom fields ~~~~~~~~~~~~~ You can't modify the number of positional arguments in an already migrated custom field without raising a TypeError. The old migration will call the modified ``__init__`` method with the old signature. So if you need a new argument, please create a keyword argument and use e.g. ``assert kwargs.get('argument_name') is not None`` in the constructor. Adding migrations to apps ------------------------- Loading Loading
docs/topics/migrations.txt +9 −0 Original line number Diff line number Diff line Loading @@ -244,6 +244,15 @@ it's entirely possible to write them manually if you need to. Some of the more complex operations are not autodetectable and are only available via a hand-written migration, so don't be scared about editing them if you have to. Custom fields ~~~~~~~~~~~~~ You can't modify the number of positional arguments in an already migrated custom field without raising a TypeError. The old migration will call the modified ``__init__`` method with the old signature. So if you need a new argument, please create a keyword argument and use e.g. ``assert kwargs.get('argument_name') is not None`` in the constructor. Adding migrations to apps ------------------------- Loading
