diff options
Diffstat (limited to 'lib/sqlalchemy/orm/decl_base.py')
| -rw-r--r-- | lib/sqlalchemy/orm/decl_base.py | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/lib/sqlalchemy/orm/decl_base.py b/lib/sqlalchemy/orm/decl_base.py index beede0ddb..b7d6dd8cf 100644 --- a/lib/sqlalchemy/orm/decl_base.py +++ b/lib/sqlalchemy/orm/decl_base.py @@ -459,6 +459,7 @@ class _ClassScanMapperConfig(_MapperConfig): "mapper_args", "mapper_args_fn", "inherits", + "single", "allow_dataclass_fields", "dataclass_setup_arguments", "is_dataclass_prior_to_mapping", @@ -483,6 +484,7 @@ class _ClassScanMapperConfig(_MapperConfig): table_args: Optional[_TableArgsType] mapper_args_fn: Optional[Callable[[], Dict[str, Any]]] inherits: Optional[Type[Any]] + single: bool is_dataclass_prior_to_mapping: bool allow_unmapped_annotations: bool @@ -527,7 +529,7 @@ class _ClassScanMapperConfig(_MapperConfig): self.declared_columns = util.OrderedSet() self.column_ordering = {} self.column_copies = {} - + self.single = False self.dataclass_setup_arguments = dca = getattr( self.cls, "_sa_apply_dc_transforms", None ) @@ -866,7 +868,7 @@ class _ClassScanMapperConfig(_MapperConfig): # should only be __table__ continue elif class_mapped: - if _is_declarative_props(obj): + if _is_declarative_props(obj) and not obj._quiet: util.warn( "Regular (i.e. not __special__) " "attribute '%s.%s' uses @declared_attr, " @@ -1783,6 +1785,10 @@ class _ClassScanMapperConfig(_MapperConfig): self.inherits = inherits + clsdict_view = self.clsdict_view + if "__table__" not in clsdict_view and self.tablename is None: + self.single = True + def _setup_inheriting_columns(self, mapper_kw: _MapperKwArgs) -> None: table = self.local_table cls = self.cls @@ -1809,6 +1815,7 @@ class _ClassScanMapperConfig(_MapperConfig): ) if table is None: + # single table inheritance. # ensure no table args if table_args: |