diff options
Diffstat (limited to 'lib/sqlalchemy/sql/elements.py')
-rw-r--r-- | lib/sqlalchemy/sql/elements.py | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/lib/sqlalchemy/sql/elements.py b/lib/sqlalchemy/sql/elements.py index 3045cb84e..8ee157b6f 100644 --- a/lib/sqlalchemy/sql/elements.py +++ b/lib/sqlalchemy/sql/elements.py @@ -4278,7 +4278,13 @@ class ColumnClause(roles.LabeledColumnExprRole, Immutable, ColumnElement): label = quoted_name(label, t.name.quote) # ensure the label name doesn't conflict with that - # of an existing column + # of an existing column. note that this implies that any + # Column must **not** set up its _label before its parent table + # has all of its other Column objects set up. There are several + # tables in the test suite which will fail otherwise; example: + # table "owner" has columns "name" and "owner_name". Therefore + # column owner.name cannot use the label "owner_name", it has + # to be "owner_name_1". if label in t.c: _label = label counter = 1 @@ -4339,7 +4345,6 @@ class ColumnClause(roles.LabeledColumnExprRole, Immutable, ColumnElement): c._proxies = [self] if selectable._is_clone_of is not None: c._is_clone_of = selectable._is_clone_of.columns.get(c.key) - return c.key, c |