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-rw-r--r--lib/sqlalchemy/sql/schema.py6
-rw-r--r--lib/sqlalchemy/sql/sqltypes.py8
-rw-r--r--lib/sqlalchemy/sql/type_api.py1
3 files changed, 14 insertions, 1 deletions
diff --git a/lib/sqlalchemy/sql/schema.py b/lib/sqlalchemy/sql/schema.py
index c37b60003..2414d9235 100644
--- a/lib/sqlalchemy/sql/schema.py
+++ b/lib/sqlalchemy/sql/schema.py
@@ -4540,7 +4540,11 @@ class PrimaryKeyConstraint(ColumnCollectionConstraint):
def _autoincrement_column(self) -> Optional[Column[Any]]:
def _validate_autoinc(col: Column[Any], autoinc_true: bool) -> bool:
if col.type._type_affinity is None or not issubclass(
- col.type._type_affinity, type_api.INTEGERTYPE._type_affinity
+ col.type._type_affinity,
+ (
+ type_api.INTEGERTYPE._type_affinity,
+ type_api.NUMERICTYPE._type_affinity,
+ ),
):
if autoinc_true:
raise exc.ArgumentError(
diff --git a/lib/sqlalchemy/sql/sqltypes.py b/lib/sqlalchemy/sql/sqltypes.py
index b4b444f23..8d796566d 100644
--- a/lib/sqlalchemy/sql/sqltypes.py
+++ b/lib/sqlalchemy/sql/sqltypes.py
@@ -459,6 +459,12 @@ class Numeric(HasExpressionLookup, TypeEngine[_N]):
__visit_name__ = "numeric"
+ if TYPE_CHECKING:
+
+ @util.ro_memoized_property
+ def _type_affinity(self) -> Type[Numeric[_N]]:
+ ...
+
_default_decimal_return_scale = 10
def __init__(
@@ -3611,6 +3617,7 @@ NULLTYPE = NullType()
BOOLEANTYPE = Boolean()
STRINGTYPE = String()
INTEGERTYPE = Integer()
+NUMERICTYPE: Numeric[decimal.Decimal] = Numeric()
MATCHTYPE = MatchType()
TABLEVALUE = TableValueType()
DATETIME_TIMEZONE = DateTime(timezone=True)
@@ -3668,6 +3675,7 @@ type_api.BOOLEANTYPE = BOOLEANTYPE
type_api.STRINGTYPE = STRINGTYPE
type_api.INTEGERTYPE = INTEGERTYPE
type_api.NULLTYPE = NULLTYPE
+type_api.NUMERICTYPE = NUMERICTYPE
type_api.MATCHTYPE = MATCHTYPE
type_api.INDEXABLE = INDEXABLE = Indexable
type_api.TABLEVALUE = TABLEVALUE
diff --git a/lib/sqlalchemy/sql/type_api.py b/lib/sqlalchemy/sql/type_api.py
index 00bae17bc..d8f1e92c4 100644
--- a/lib/sqlalchemy/sql/type_api.py
+++ b/lib/sqlalchemy/sql/type_api.py
@@ -50,6 +50,7 @@ if typing.TYPE_CHECKING:
from .sqltypes import INTEGERTYPE as INTEGERTYPE # noqa: F401
from .sqltypes import MATCHTYPE as MATCHTYPE # noqa: F401
from .sqltypes import NULLTYPE as NULLTYPE
+ from .sqltypes import NUMERICTYPE as NUMERICTYPE # noqa: F401
from .sqltypes import STRINGTYPE as STRINGTYPE # noqa: F401
from .sqltypes import TABLEVALUE as TABLEVALUE # noqa: F401
from ..engine.interfaces import Dialect