[sqlalchemy] Tutorial Issue

2010-09-30 Thread LucianU
Hello, all!

I'm following the tutorial here http://www.sqlalchemy.org/docs/orm/tutorial.html
and I'm running into some problems at one moment, specifically at the
Configuring delete/delete-orphan Cascade section. Here is a paste of
exactly what I'm doing http://bpaste.net/show/9861/ . Am I making a
mistake somewhere or is the tutorial incorrect?

Lucian

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Re: [sqlalchemy] Tutorial Issue

2010-09-30 Thread Michael Bayer
OK, was hard to spot, and I think maybe I should change this, there's a line 
where it does this:

 users_table = User.__table__

So the original users_table is replaced with the one that User.__table__ is 
mapped to.

I'm going to change that remapping to read like this:

 mapper(User, User.__table__, properties={
... 'addresses':relationship(Address, backref='user', cascade=all, delete, 
delete-orphan)
... })
Mapper at 0x...; User

 addresses_table = Address.__table__
 mapper(Address, addresses_table) 
Mapper at 0x...; Address





On Sep 30, 2010, at 6:22 AM, LucianU wrote:

 Hello, all!
 
 I'm following the tutorial here 
 http://www.sqlalchemy.org/docs/orm/tutorial.html
 and I'm running into some problems at one moment, specifically at the
 Configuring delete/delete-orphan Cascade section. Here is a paste of
 exactly what I'm doing http://bpaste.net/show/9861/ . Am I making a
 mistake somewhere or is the tutorial incorrect?
 
 Lucian
 
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