Michael,
Michael Bayer wrote:
oh, duh. do it like this:
for purchase in list(aItem.purchase):
purchase.cbbottle = bItem
I leave it to you as an exercise why this is the case.
aItem.purchase is an instrumented list and as such is mutable, is that
the right conclusion?
Thanks
n00b wrote:
why don't you work off the las/previous committed rec id?
On Jan 29, 4:05 am, Dejan Mayo dejan.m...@gmail.com wrote:
Hi,
My code is like that:
try:
for some_val in some_values:
rec = SomeModel()
rec.some_val = some_val
session.save(rec)
Hi,
I am currently trying to make a relation between Document and Author, where
there is a many to many association which is dealt with by a secondary table
and I am trying to store the position of an author in the author list.
mapper(Paper, document_table, properties={'journal':relation(Journal,
-Original Message-
From: sqlalchemy@googlegroups.com
[mailto:sqlalch...@googlegroups.com] On Behalf Of Nathan Harmston
Sent: 30 January 2009 13:15
To: sqlalchemy@googlegroups.com
Subject: [sqlalchemy] Using orderedlist with a secondary table
Hi,
I am currently trying to make
On Jan 30, 2009, at 5:50 AM, Alessandro Dentella wrote:
Hi,
i'm trying to understand how to cope with errors from the database
and I
don't completely understand the following behaviour.
I try to delete a Project that has integrity constrains, so
correctly the
db complains and
GHZ wrote:
Hi,
I have a Subscriber and an Address table. Subscriber can have many
Addresses
mapper(Subscriber, subscriber_table, properties={
'addresses' : relation(Address, collection_class=Addresses,
backref='customer')})
From the a Subscriber object, I want to inspect all
Hi,
[trying to send this again, seems like previous copy got lost in some
moderation queue]
Messing with single-table inheritance in a declarative model, with a
non-abstract base class, I find that querying fails if polymorphic_identity
is 0 (zero). Example:
code begins
its likely a bug. there are some boolean tests for
polymorphic_identity in mapper.py which should be changed to is
None.
On Jan 30, 2009, at 11:58 AM, Gunnlaugur Thor Briem wrote:
Hi,
[trying to send this again, seems like previous copy got lost in
some moderation queue]
Messing
Would None (ie. SQL NULL) be a valid polymorphic identity?
-Original Message-
From: sqlalchemy@googlegroups.com
[mailto:sqlalch...@googlegroups.com] On Behalf Of Michael Bayer
Sent: 30 January 2009 17:06
To: sqlalchemy@googlegroups.com
Subject: [sqlalchemy] Re:
On Jan 30, 2009, at 12:19 PM, King Simon-NFHD78 wrote:
Would None (ie. SQL NULL) be a valid polymorphic identity?
it becomes that issue where we just need some kind of constant to
represent THIS_IS_NOT_DEFINED, so that we know when
polymorphic_identity is defined or not. it's a
-Original Message-
From: sqlalchemy@googlegroups.com
[mailto:sqlalch...@googlegroups.com] On Behalf Of Michael Bayer
Sent: 30 January 2009 17:25
To: sqlalchemy@googlegroups.com
Subject: [sqlalchemy] Re: polymorphic_identity not allowed to
be zero for base class?
On Jan 30,
connection already closed is a psycopg2 error indicating that the
socket has been shut down. looking at your output, I see a raw
execute() occuring within the string conversion of your Project object
and theres a module called sqlkit/db/utils.py causing an exception
throw. SQLA's
Hi,
I did a quick search but couldn't find the right way to do this in
SA.
For the sake of example, I have a many-to-many relationshp between
Book and Reader. The 'books' property of reader is loaded using
lazy='dynamic'. And, finally, Book is mapped with single-table
inheritance and has
On Jan 30, 2009, at 12:38 PM, Alessandro Dentella wrote:
connection already closed is a psycopg2 error indicating that the
socket has been shut down. looking at your output, I see a raw
execute() occuring within the string conversion of your Project
object
and theres a module called
On Jan 30, 2009, at 1:39 PM, Hans Lellelid wrote:
Hi,
I did a quick search but couldn't find the right way to do this in
SA.
For the sake of example, I have a many-to-many relationshp between
Book and Reader. The 'books' property of reader is loaded using
lazy='dynamic'. And,
On Jan 30, 2:37 pm, Michael Bayer mike...@zzzcomputing.com wrote:
On Jan 30, 2009, at 1:39 PM, Hans Lellelid wrote:
Hi,
I did a quick search but couldn't find the right way to do this in
SA.
For the sake of example, I have a many-to-many relationshp between
Book and Reader.
Perfect - thanks Mike!
As I'm using 0.4 (sorry, neglected to mention that) I've gone for the
table.update(...).execute() option and it works a treat.
On Jan 25, 12:25 am, Michael Bayer mike...@zzzcomputing.com wrote:
the update() method on Query accomplishes this. Make sure you read
the
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