diff options
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 6e1024251..d7b1ac021 100644 --- a/lib/sqlalchemy/sql.py +++ b/lib/sqlalchemy/sql.py @@ -201,6 +201,9 @@ def _compound_select(keyword, *selects, **kwargs): def _is_literal(element): return not isinstance(element, ClauseElement) and not isinstance(element, schema.SchemaItem) +def is_column(col): + return isinstance(col, schema.Column) or isinstance(col, ColumnElement) + class ClauseVisitor(schema.SchemaVisitor): """builds upon SchemaVisitor to define the visiting of SQL statement elements in addition to Schema elements.""" |