diff options
Diffstat (limited to 'lib/sqlalchemy/schema.py')
| -rw-r--r-- | lib/sqlalchemy/schema.py | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/lib/sqlalchemy/schema.py b/lib/sqlalchemy/schema.py index a2d499f84..6a69739d1 100644 --- a/lib/sqlalchemy/schema.py +++ b/lib/sqlalchemy/schema.py @@ -493,9 +493,11 @@ class Column(SchemaItem, expression.ColumnClause): The ``type`` argument may be the second positional argument or specified by keyword. - If this column also contains a :class:`ForeignKey`, - the type argument may be left as ``None`` in which case the - type assigned will be that of the referenced column. + There is partial support for automatic detection of the + type based on that of a :class:`ForeignKey` associated + with this column, if the type is specified as ``None``. + However, this feature is not fully implemented and + may not function in all cases. :param \*args: Additional positional arguments include various :class:`SchemaItem` derived constructs which will be applied |