diff options
Diffstat (limited to 'lib/sqlalchemy/sql/schema.py')
| -rw-r--r-- | lib/sqlalchemy/sql/schema.py | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/lib/sqlalchemy/sql/schema.py b/lib/sqlalchemy/sql/schema.py index 598bacc59..447e102ed 100644 --- a/lib/sqlalchemy/sql/schema.py +++ b/lib/sqlalchemy/sql/schema.py @@ -639,10 +639,13 @@ class Table( :param implicit_returning: True by default - indicates that - RETURNING can be used by default to fetch newly inserted primary key - values, for backends which support this. Note that - :func:`_sa.create_engine` also provides an ``implicit_returning`` - flag. + RETURNING can be used, typically by the ORM, in order to fetch + server-generated values such as primary key values and + server side defaults, on those backends which support RETURNING. + + In modern SQLAlchemy there is generally no reason to alter this + setting, except in the case of some backends such as SQL Server + when INSERT triggers are used for that table. :param include_columns: A list of strings indicating a subset of columns to be loaded via the ``autoload`` operation; table columns who |