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
Werner F. Bruhin wrote:
I have some items which are related but I need to change it so they
related to another item.
Before getting myself in a mess (as I need to do this for a bunch of
tables) I wanted to check if the following approach is fine.
I am using SA 0.5, ORM and declarative
On Jan 29, 2009, at 11:32 AM, Werner F. Bruhin wrote:
Werner F. Bruhin wrote:
I have some items which are related but I need to change it so they
related to another item.
Before getting myself in a mess (as I need to do this for a bunch of
tables) I wanted to check if the following
Michael,
Michael Bayer wrote:
...
there's no need to reassign the FK column yourself and the original
pattern you're using is correct. that only one item in the list is
the exception suggests something else is changing its state again
further down the road.
Thanks for the quick
Michael,
I run the following script and initially had the either my application
and/or the IB Expert database tool (for Firebird SQL v 2.1) open at the
same time. Now the following tests are done without any other task
accessing the database.
script:
engine = db.sa.create_engine(dburl,
that sess.fulsh() in the middle there... if u move it up/down/out,
will behaviour change? e.g. if u print the things in itemB.purchase
just _After that flush - is 80 there or not?
On Thursday 29 January 2009 20:19:59 Werner F. Bruhin wrote:
Michael,
I run the following script and initially
On Jan 29, 2009, at 1:19 PM, Werner F. Bruhin wrote:
Michael,
I run the following script and initially had the either my application
and/or the IB Expert database tool (for Firebird SQL v 2.1) open at
the
same time. Now the following tests are done without any other task
accessing
Michael Bayer wrote:
..
right there, purchasid 80 is not even in the list of items anymore.
This is basically iterate the list, 80 is there, then flush(), then 80
is not there. this is all before anything has been moved. so
either the flush() does something, or just the move of
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.
On Jan 29, 2009, at 3:08 PM, Werner F. Bruhin wrote:
Michael Bayer wrote:
..
right there, purchasid 80 is not even in the list of