django.db.migrations.operations.RemoveIndex

class documentation

class RemoveIndex(IndexOperation): (source)

View In Hierarchy

Remove an index from a model.

Method __init__ Undocumented
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 state_forwards Take the state from the previous migration, and mutate it so that it matches what this migration would perform.
Instance Variable model_name Undocumented
Instance Variable name Undocumented
Property migration_name_fragment A filename part suitable for automatically naming a migration containing this operation, or None if not applicable.

Inherited from IndexOperation:

Class Variable option_name Undocumented
Property model_name_lower Undocumented

Inherited from Operation (via IndexOperation):

Method __new__ Undocumented
Method __repr__ Undocumented
Method allow_migrate_model Return whether or not a model may be migrated.
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.
Method references_field Return True if there is a chance this operation references the given field name, with an app label for accuracy.
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.
Class Variable atomic Undocumented
Class Variable elidable Undocumented
Class Variable reduces_to_sql Undocumented
Class Variable reversible Undocumented
Class Variable serialization_expand_args Undocumented
Instance Variable _constructor_args Undocumented
def __init__(self, model_name, name): (source)

Undocumented

def database_backwards(self, app_label, schema_editor, from_state, to_state): (source)
overrides django.db.migrations.operations.base.Operation.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.

def database_forwards(self, app_label, schema_editor, from_state, to_state): (source)
overrides django.db.migrations.operations.base.Operation.database_forwards

Perform the mutation on the database schema in the normal (forwards) direction.

def deconstruct(self): (source)
overrides django.db.migrations.operations.base.Operation.deconstruct

Return a 3-tuple of class import path (or just name if it lives under django.db.migrations), positional arguments, and keyword arguments.

def describe(self): (source)
overrides django.db.migrations.operations.base.Operation.describe

Output a brief summary of what the action does.

def state_forwards(self, app_label, state): (source)
overrides django.db.migrations.operations.base.Operation.state_forwards

Take the state from the previous migration, and mutate it so that it matches what this migration would perform.

model_name = (source)

Undocumented

name = (source)

Undocumented

@property
migration_name_fragment = (source)
overrides django.db.migrations.operations.base.Operation.migration_name_fragment

A filename part suitable for automatically naming a migration containing this operation, or None if not applicable.