from sqlalchemy import func
from sqlalchemy import select
from sqlalchemy.orm import DeclarativeBase
from sqlalchemy.orm import Mapped
from sqlalchemy.orm import mapped_column
class Base(DeclarativeBase):
pass
class Foo(Base):
__tablename__ = "foo"
id: Mapped[int] = mapped_column(primary_key=True)
a: Mapped[int]
b: Mapped[int]
c: Mapped[str]
reveal_type(func.row_number().over(order_by=Foo.a, partition_by=Foo.b.desc()))
func.row_number().over(order_by=[Foo.a.desc(), Foo.b.desc()])
func.row_number().over(partition_by=[Foo.a.desc(), Foo.b.desc()])
func.row_number().over(order_by="a", partition_by=("a", "b"))
func.row_number().over(partition_by="a", order_by=("a", "b"))
reveal_type(func.row_number().filter())
reveal_type(func.row_number().filter(Foo.a > 0))
reveal_type(func.row_number().within_group(Foo.a).filter(Foo.b < 0))
reveal_type(func.row_number().within_group(Foo.a))
reveal_type(func.row_number().filter(Foo.a > 0).within_group(Foo.a))
reveal_type(func.row_number().filter(Foo.a > 0).over())
reveal_type(func.row_number().within_group(Foo.a).over())
reveal_type(func.max(Foo.b))
stmt1 = select(Foo.a, func.min(Foo.b)).group_by(Foo.a)
reveal_type(stmt1)
reveal_type(func.coalesce(Foo.c, "a", "b"))
stmt2 = select(Foo.a, func.coalesce(Foo.c, "a", "b")).group_by(Foo.a)
reveal_type(stmt2)
reveal_type(func.json_each().table_valued("key", "value"))
reveal_type(func.json_each().table_valued(Foo.a, Foo.b))