Re: [Sqlalchemy-tickets] [sqlalchemy] #2481: more specific check for recursion in joinedload w no joined_depth

[sqlalchemy <mi...@zz...>]

#2481: more specific check for recursion in joinedload w no joined_depth
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      Reporter:  zzzeek       |      Owner:  zzzeek
          Type:  defect       |     Status:  reopened
      Priority:  medium       |  Milestone:  0.8.0b1
     Component:  orm          |   Severity:  minor - half an hour
    Resolution:               |   Keywords:
Progress State:  in progress  |
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Changes (by zzzeek):

 * status:  closed => reopened
 * resolution:  fixed =>
 * status_field:  completed/closed => in progress


Comment:

 failure:

 {{{
 from sqlalchemy import *
 from sqlalchemy.ext.declarative import declarative_base
 from sqlalchemy.orm import Session, relationship, backref

 e = create_engine('sqlite:///', echo=True)
 Base = declarative_base()
 Base.metadata = MetaData(e)


 class Item(Base):
     __tablename__ = 'items'

     id = Column(Integer, primary_key=True)
     item_type = Column(String(24), default='item')

     __mapper_args__ = {
         'polymorphic_identity': 'item',
         'polymorphic_on': 'item_type',
         'with_polymorphic': '*',
         }

 class PolyItem(Item):
     __tablename__ = 'poly_items'

     id = Column(Integer, ForeignKey(Item.id), primary_key=True)

     __mapper_args__ = {
         'polymorphic_identity': 'polyitem',
         }

     item = relationship(Item, lazy=False)

 if __name__ == '__main__':
     Base.metadata.create_all()

     session = Session(e)

     session.query(Item).first()

 }}}

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Ticket URL: <http://www.sqlalchemy.org/trac/ticket/2481#comment:3>
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