diff options
Diffstat (limited to 'lib/sqlalchemy/orm/strategies.py')
| -rw-r--r-- | lib/sqlalchemy/orm/strategies.py | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/lib/sqlalchemy/orm/strategies.py b/lib/sqlalchemy/orm/strategies.py index 2a283caad..71c4a6976 100644 --- a/lib/sqlalchemy/orm/strategies.py +++ b/lib/sqlalchemy/orm/strategies.py @@ -382,7 +382,26 @@ class DeferredColumnLoader(LoaderStrategy): # dictionary. Normally, the DeferredColumnLoader.setup_query() # sets up that data in the "memoized_populators" dictionary # and "create_row_processor()" here is never invoked. - if not self.is_class_level: + + if ( + context.refresh_state + and context.query._compile_options._only_load_props + and self.key in context.query._compile_options._only_load_props + ): + self.parent_property._get_strategy( + (("deferred", False), ("instrument", True)) + ).create_row_processor( + context, + query_entity, + path, + loadopt, + mapper, + result, + adapter, + populators, + ) + + elif not self.is_class_level: if self.raiseload: set_deferred_for_local_state = ( self.parent_property._raise_column_loader |