diff options
Diffstat (limited to 'alembic/operations/base.py')
| -rw-r--r-- | alembic/operations/base.py | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/alembic/operations/base.py b/alembic/operations/base.py index 82d9779..68f8c59 100644 --- a/alembic/operations/base.py +++ b/alembic/operations/base.py @@ -260,8 +260,8 @@ class Operations(util.ModuleClsProxy): are omitted. E.g.:: with op.batch_alter_table("some_table") as batch_op: - batch_op.add_column(Column('foo', Integer)) - batch_op.drop_column('bar') + batch_op.add_column(Column("foo", Integer)) + batch_op.drop_column("bar") The operations within the context manager are invoked at once when the context is ended. When run against SQLite, if the @@ -340,16 +340,18 @@ class Operations(util.ModuleClsProxy): Specify the order of all columns:: with op.batch_alter_table( - "some_table", recreate="always", - partial_reordering=[("c", "d", "a", "b")] + "some_table", + recreate="always", + partial_reordering=[("c", "d", "a", "b")], ) as batch_op: pass Ensure "d" appears before "c", and "b", appears before "a":: with op.batch_alter_table( - "some_table", recreate="always", - partial_reordering=[("d", "c"), ("b", "a")] + "some_table", + recreate="always", + partial_reordering=[("d", "c"), ("b", "a")], ) as batch_op: pass @@ -415,7 +417,7 @@ class Operations(util.ModuleClsProxy): If the :meth:`.Operations.f` is used on a constraint, the naming convention will not take effect:: - op.add_column('t', 'x', Boolean(name=op.f('ck_bool_t_x'))) + op.add_column("t", "x", Boolean(name=op.f("ck_bool_t_x"))) Above, the CHECK constraint generated will have the name ``ck_bool_t_x`` regardless of whether or not a naming convention is @@ -427,7 +429,7 @@ class Operations(util.ModuleClsProxy): ``{"ck": "ck_bool_%(table_name)s_%(constraint_name)s"}``, then the output of the following: - op.add_column('t', 'x', Boolean(name='x')) + op.add_column("t", "x", Boolean(name="x")) will be:: |