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author | Mike Bayer <mike_mp@zzzcomputing.com> | 2020-09-03 14:14:39 -0400 |
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committer | Mike Bayer <mike_mp@zzzcomputing.com> | 2020-10-12 13:52:06 -0400 |
commit | 9e82f32f274e649b04740c819d21ba232c89cfff (patch) | |
tree | 15ba969d68aa914ffff413d1db3d2697761ba247 /lib/sqlalchemy/sql/selectable.py | |
parent | a3e2eb7c3c3fe6b2bebd14a7e9d661b2b4519d1f (diff) | |
download | sqlalchemy-9e82f32f274e649b04740c819d21ba232c89cfff.tar.gz |
Deprecate duplicated column names in Table definition
The :class:`_schema.Table` class now raises a deprecation warning
when columns with the same name are defined. To replace a column a new
parameter :paramref:`_schema.Table.append_column.replace_existing` was
added to the :meth:`_schema.Table.append_column` method.
The :meth:`_expression.ColumnCollection.contains_column` will now
raises an error when called with a string, suggesting the caller
to use ``in`` instead.
Co-authored-by: Federico Caselli <cfederico87@gmail.com>
Change-Id: I1d58c8ebe081079cb669e7ead60886ffc1b1a7f5
Diffstat (limited to 'lib/sqlalchemy/sql/selectable.py')
-rw-r--r-- | lib/sqlalchemy/sql/selectable.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/sqlalchemy/sql/selectable.py b/lib/sqlalchemy/sql/selectable.py index 951f50ae1..eebf3b96e 100644 --- a/lib/sqlalchemy/sql/selectable.py +++ b/lib/sqlalchemy/sql/selectable.py @@ -2167,7 +2167,7 @@ class TableClause(roles.DMLTableRole, Immutable, FromClause): else: return self.name.encode("ascii", "backslashreplace") - def append_column(self, c): + def append_column(self, c, **kw): existing = c.table if existing is not None and existing is not self: raise exc.ArgumentError( |