Class RunSQL
Run some raw SQL. A reverse SQL statement may be provided.
Declaration
source linkDocumentation
Also accept a list of operations that represent the state change effected
by this SQL change, in case it's custom column/table creation/deletion.
Methods
▷ def __init__(self, sql, reverse_sql=None, state_operations=None, hints=None, elidable=False) ▶ def database_backwards(self, app_label, schema_editor, from_state, to_state) overrideinherited doc 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) overrideinherited doc Perform the mutation on the database schema in the normal (forwards) direction.
▶ def deconstruct(self) overrideinherited doc 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) overrideinherited doc Output a brief summary of what the action does.
@property
def reversible(self)
▶ def state_forwards(self, app_label, state) overrideinherited doc Take the state from the previous migration, and mutate it so that it matches what this migration would perform.