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from __future__ import annotations
from sqlalchemy import ForeignKey
from sqlalchemy import select
from sqlalchemy.orm import aliased
from sqlalchemy.orm import DeclarativeBase
from sqlalchemy.orm import Mapped
from sqlalchemy.orm import mapped_column
from sqlalchemy.orm import relationship
from sqlalchemy.orm import selectinload
class Base(DeclarativeBase):
pass
class A(Base):
__tablename__ = "a"
id: Mapped[int] = mapped_column(primary_key=True)
data: Mapped[str]
bs: Mapped[list[B]] = relationship("B")
class B(Base):
__tablename__ = "b"
id: Mapped[int] = mapped_column(primary_key=True)
a_id: Mapped[int] = mapped_column(ForeignKey("a.id"))
data: Mapped[str]
def test_9669_and() -> None:
select(A).options(selectinload(A.bs.and_(B.data == "some data")))
def test_9669_of_type() -> None:
ba = aliased(B)
select(A).options(selectinload(A.bs.of_type(ba)))
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