diff options
Diffstat (limited to 'lib/sqlalchemy/sql/schema.py')
| -rw-r--r-- | lib/sqlalchemy/sql/schema.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/sqlalchemy/sql/schema.py b/lib/sqlalchemy/sql/schema.py index 3df1c9f91..a3f67fc68 100644 --- a/lib/sqlalchemy/sql/schema.py +++ b/lib/sqlalchemy/sql/schema.py @@ -1259,6 +1259,12 @@ class Column(DialectKWArgs, SchemaItem, ColumnClause): implement any kind of generation function within the database, which instead must be specified separately. + + .. warning:: This directive **does not** currently produce MySQL's + "ON UPDATE CURRENT_TIMESTAMP()" clause. See + :ref:`mysql_timestamp_onupdate` for background on how to + produce this clause. + .. seealso:: :ref:`triggered_columns` |