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from asyncio import current_task
from sqlalchemy import text
from sqlalchemy.ext.asyncio import async_scoped_session
from sqlalchemy.ext.asyncio import async_sessionmaker
from sqlalchemy.ext.asyncio import AsyncSession
from sqlalchemy.ext.asyncio import create_async_engine
engine = create_async_engine("")
SM = async_sessionmaker(engine, class_=AsyncSession)
async_session = AsyncSession(engine)
as_session = async_scoped_session(SM, current_task)
async def go() -> None:
r = await async_session.scalars(text("select 1"), params=[])
r.first()
sr = await async_session.stream_scalars(text("select 1"), params=[])
await sr.all()
r = await as_session.scalars(text("select 1"), params=[])
r.first()
sr = await as_session.stream_scalars(text("select 1"), params=[])
await sr.all()
async with engine.connect() as conn:
cr = await conn.scalars(text("select 1"))
cr.first()
scr = await conn.stream_scalars(text("select 1"))
await scr.all()
ast = async_session.get_transaction()
if ast:
ast.is_active
nt = async_session.get_nested_transaction()
if nt:
nt.is_active
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