diff options
Diffstat (limited to 'lib/sqlalchemy/orm/mapper.py')
| -rw-r--r-- | lib/sqlalchemy/orm/mapper.py | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/lib/sqlalchemy/orm/mapper.py b/lib/sqlalchemy/orm/mapper.py index e463dcdb5..982b4b6d9 100644 --- a/lib/sqlalchemy/orm/mapper.py +++ b/lib/sqlalchemy/orm/mapper.py @@ -1407,19 +1407,14 @@ class Mapper( ) def _configure_properties(self): - # Column and other ClauseElement objects which are mapped - # TODO: technically this should be a DedupeColumnCollection - # however DCC needs changes and more tests to fully cover - # storing columns under a separate key name + # TODO: consider using DedupeColumnCollection self.columns = self.c = sql_base.ColumnCollection() # object attribute names mapped to MapperProperty objects self._props = util.OrderedDict() - # table columns mapped to lists of MapperProperty objects - # using a list allows a single column to be defined as - # populating multiple object attributes + # table columns mapped to MapperProperty self._columntoproperty = _ColumnMapping(self) # load custom properties @@ -3609,6 +3604,7 @@ class _ColumnMapping(dict): __slots__ = ("mapper",) def __init__(self, mapper): + # TODO: weakref would be a good idea here self.mapper = mapper def __missing__(self, column): |