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Diffstat (limited to 'lib/sqlalchemy/sql.py')
| -rw-r--r-- | lib/sqlalchemy/sql.py | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/sqlalchemy/sql.py b/lib/sqlalchemy/sql.py index f6c2315ae..4959c4e21 100644 --- a/lib/sqlalchemy/sql.py +++ b/lib/sqlalchemy/sql.py @@ -1130,6 +1130,9 @@ class ColumnCollection(util.OrderedProperties): l.append(c==local) return and_(*l) + def __contains__(self, col): + return self.contains_column(col) + def contains_column(self, col): # have to use a Set here, because it will compare the identity # of the column, not just using "==" for comparison which will always return a |