Using contactrelation.from_contact_id ? I have AttributeError: 'Table' object has no attribute 'from_contact_id' Error.
On Tue, Sep 23, 2014 at 4:48 PM, Michael Bayer <mike...@zzzcomputing.com> wrote: > > table name, not class name, please see http://docs.sqlalchemy.org/en/rel_0_9/orm/extensions/declarative.html#declarative-many-to-many > > > On Sep 23, 2014, at 8:33 AM, Mohammad Reza Kamalifard < mr.kamalif...@gmail.com> wrote: > > In my application with SQLAlchemy i need to create many to many relationship between two contact object also sotre data for each of relatioship here is my Contact model > > class Contact(db.Model): > __tablename__ = 'contact' > id = db.Column(db.Integer, primary_key=True) > name = db.Column(db.Unicode(120), nullable=False, unique=False) > user_id = db.Column(db.Integer, db.ForeignKey('user.id')) > > to_contacts = db.relationship('Contact', > secondary='ContactRelation', > primaryjoin='id== ContactRelation.from_contact_id', > secondaryjoin='id== ContactRelation.to_contact_id', > > backref='from_contacts') > > > and my association class ContactRelation: > > class ContactRelation(db.Model): > __tablename__ = 'contactrelation' > id = db.Column(db.Integer, primary_key=True) > from_contact_id = db.Column(db.Integer, db.ForeignKey('contact.id')) > to_contact_id = db.Column(db.Integer, db.ForeignKey('contact.id')) > relation_type = db.Column(db.String(100), nullable=True) > > every thing seems good but i have error : > AttributeError: type object 'ContactRelation' has no attribute 'c' > > > > > -- > You received this message because you are subscribed to the Google Groups "sqlalchemy" group. > To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. > To post to this group, send email to sqlalchemy@googlegroups.com. > Visit this group at http://groups.google.com/group/sqlalchemy. > For more options, visit https://groups.google.com/d/optout. > > > -- > You received this message because you are subscribed to a topic in the Google Groups "sqlalchemy" group. > To unsubscribe from this topic, visit https://groups.google.com/d/topic/sqlalchemy/OeLrx74p5vY/unsubscribe. > To unsubscribe from this group and all its topics, send an email to sqlalchemy+unsubscr...@googlegroups.com. > To post to this group, send email to sqlalchemy@googlegroups.com. > Visit this group at http://groups.google.com/group/sqlalchemy. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. To post to this group, send email to sqlalchemy@googlegroups.com. Visit this group at http://groups.google.com/group/sqlalchemy. For more options, visit https://groups.google.com/d/optout.
