diff options
Diffstat (limited to 'lib/sqlalchemy/dialects/postgresql')
| -rw-r--r-- | lib/sqlalchemy/dialects/postgresql/dml.py | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/sqlalchemy/dialects/postgresql/dml.py b/lib/sqlalchemy/dialects/postgresql/dml.py index b6f5cdf7e..c98bc9f76 100644 --- a/lib/sqlalchemy/dialects/postgresql/dml.py +++ b/lib/sqlalchemy/dialects/postgresql/dml.py @@ -44,6 +44,17 @@ class Insert(StandardInsert): be inserted, known as ``excluded``. This attribute provides all columns in this row to be referenceable. + .. tip:: The :attr:`_postgresql.Insert.excluded` attribute is an + instance of :class:`_expression.ColumnCollection`, which provides + an interface the same as that of the :attr:`_schema.Table.c` + collection described at :ref:`metadata_tables_and_columns`. + With this collection, ordinary names are accessible like attributes + (e.g. ``stmt.excluded.some_column``), but special names and + dictionary method names should be accessed using indexed access, + such as ``stmt.excluded["column name"]`` or + ``stmt.excluded["values"]``. See the docstring for + :class:`_expression.ColumnCollection` for further examples. + .. seealso:: :ref:`postgresql_insert_on_conflict` - example of how |