django.db.migrations.operations.models.ModelOptionOperation

class documentation

class ModelOptionOperation(ModelOperation): (source)

Known subclasses: django.db.migrations.operations.AlterModelManagers, django.db.migrations.operations.AlterModelOptions, django.db.migrations.operations.AlterModelTable, django.db.migrations.operations.AlterOrderWithRespectTo, django.db.migrations.operations.models.AlterTogetherOptionOperation

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Undocumented

Method reduce Return either a list of operations the actual operation should be replaced with or a boolean that indicates whether or not the specified operation can be optimized across.

Inherited from ModelOperation:

Method __init__ Undocumented
Method can_reduce_through Undocumented
Method references_model Return True if there is a chance this operation references the given model name (as a string), with an app label for accuracy.
Instance Variable name Undocumented
Property name_lower Undocumented

Inherited from Operation (via ModelOperation):

Method __new__ Undocumented
Method __repr__ Undocumented
Method allow_migrate_model Return whether or not a model may be migrated.
Method database_backwards Perform the mutation on the database schema in the reverse direction - e.g. if this were CreateModel, it would in fact drop the model's table.
Method database_forwards Perform the mutation on the database schema in the normal (forwards) direction.
Method deconstruct Return a 3-tuple of class import path (or just name if it lives under django.db.migrations), positional arguments, and keyword arguments.
Method describe Output a brief summary of what the action does.
Method references_field Return True if there is a chance this operation references the given field name, with an app label for accuracy.
Method state_forwards Take the state from the previous migration, and mutate it so that it matches what this migration would perform.
Class Variable atomic Undocumented
Class Variable elidable Undocumented
Class Variable reduces_to_sql Undocumented
Class Variable reversible Undocumented
Class Variable serialization_expand_args Undocumented
Property migration_name_fragment A filename part suitable for automatically naming a migration containing this operation, or None if not applicable.
Instance Variable _constructor_args Undocumented
def reduce(self, operation, app_label): (source)
overrides django.db.migrations.operations.models.ModelOperation.reduce

Return either a list of operations the actual operation should be replaced with or a boolean that indicates whether or not the specified operation can be optimized across.