diff options
| -rw-r--r-- | lib/sqlalchemy/sql/schema.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/sqlalchemy/sql/schema.py b/lib/sqlalchemy/sql/schema.py index df7e419ca..853852f9b 100644 --- a/lib/sqlalchemy/sql/schema.py +++ b/lib/sqlalchemy/sql/schema.py @@ -1051,7 +1051,8 @@ class Column(SchemaItem, ColumnClause): :param nullable: If set to the default of ``True``, indicates the column will be rendered as allowing NULL, else it's rendered as NOT NULL. This parameter is only used when issuing CREATE TABLE - statements. + statements. If not explicitly set and ``primary_key=True``, then + the column is non-nullable by default. :param onupdate: A scalar, Python callable, or :class:`~sqlalchemy.sql.expression.ClauseElement` representing a |