diff options
Diffstat (limited to 'lib/sqlalchemy/orm/persistence.py')
| -rw-r--r-- | lib/sqlalchemy/orm/persistence.py | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/lib/sqlalchemy/orm/persistence.py b/lib/sqlalchemy/orm/persistence.py index 49d9d11b9..b4c31a027 100644 --- a/lib/sqlalchemy/orm/persistence.py +++ b/lib/sqlalchemy/orm/persistence.py @@ -386,11 +386,6 @@ def _collect_update_commands(base_mapper, uowtransaction, hasnull = True params[col._label] = value - # see #3060. Need to consider an "unchanged" None - # as potentially history for now. - elif row_switch and history.unchanged == [None]: - params[col.key] = None - hasdata = True if hasdata: if hasnull: raise orm_exc.FlushError( |