diff options
Diffstat (limited to 'lib/sqlalchemy/sql/expression.py')
| -rw-r--r-- | lib/sqlalchemy/sql/expression.py | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/sqlalchemy/sql/expression.py b/lib/sqlalchemy/sql/expression.py index 3aaa06fd6..5958a0bc4 100644 --- a/lib/sqlalchemy/sql/expression.py +++ b/lib/sqlalchemy/sql/expression.py @@ -3185,6 +3185,16 @@ class ColumnClause(_Immutable, ColumnElement): label = _escape_for_generated(self.table.name) + "_" + \ _escape_for_generated(self.name) + # ensure the label name doesn't conflict with that + # of an existing column + if label in self.table.c: + _label = label + counter = 1 + while _label in self.table.c: + _label = label + "_" + str(counter) + counter += 1 + label = _label + return _generated_label(label) else: |