ah, I see. Thanks Mike. On Wednesday, October 21, 2015 at 6:19:32 PM UTC-7, Kristi Tsukida wrote: > > It looks like only one aliased table gets aliased correctly when joining > to multiple aliased tables. > > Test case: > > from __future__ import print_function > from sqlalchemy import Integer, String, select, Date, and_ > from sqlalchemy import Column > > from sqlalchemy.ext.declarative import declarative_base > from sqlalchemy.orm.util import aliased > > Base = declarative_base() > > class Users(Base): > __tablename__ = "users" > id = Column(Integer, primary_key=True) > name = Column(String) > date = Column(Date) > > a = aliased(Users, name="aaa") > b = aliased(Users, name="bbb") > c = aliased(Users, name="ccc") > > sel = select([a.name, b.name]).select_from( > c.__table__.join( > a.__table__, > a.name == c.name, > ).join( > b.__table__, > b.date == c.date, > ) > ) > > print(sel) > > Output: > SELECT aaa.name, bbb.name > FROM users AS bbb, users JOIN users ON aaa.name = ccc.name JOIN users ON > bbb.date = ccc.date > > I expect there to be three "AS" clauses in this sql, but there is only > one, e.g. > SELECT aaa.name, bbb.name > FROM users AS ccc JOIN users AS aaa ON aaa.name = ccc.name JOIN users AS > bbb ON bbb.date = ccc.date > > Using sqlalchemy 1.0.9, python 3.4.3 >
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