diff options
Diffstat (limited to 'lib/sqlalchemy/sql.py')
| -rw-r--r-- | lib/sqlalchemy/sql.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/sqlalchemy/sql.py b/lib/sqlalchemy/sql.py index 6742eac0e..18591c24c 100644 --- a/lib/sqlalchemy/sql.py +++ b/lib/sqlalchemy/sql.py @@ -1185,7 +1185,8 @@ class Label(ColumnElement): return self.obj._get_from_objects() def _make_proxy(self, selectable, name = None): return self.obj._make_proxy(selectable, name=self.name) - + +legal_characters = util.Set(string.ascii_letters + string.digits + '_') class ColumnClause(ColumnElement): """represents a textual column clause in a SQL statement. May or may not be bound to an underlying Selectable.""" @@ -1203,6 +1204,7 @@ class ColumnClause(ColumnElement): self.__label = self.__label[0:24] + "_" + hex(random.randint(0, 65535))[2:] else: self.__label = self.name + self.__label = "".join([x for x in self.__label if x in legal_characters]) return self.__label _label = property(_get_label) def accept_visitor(self, visitor): |