Hi,
I am using sqlalchemy and have following problem:
it happens to me that I get a row (mapped to an object using
sqa.orm.mapper) and write to an entry, like user.age = 33. When
user.age already was 33, then when I do session.flush(), the age
column still gets updated with the value 33. It's a
Hello Boris,
I might not be well waken up, but as I'm looking at your generated SA
logs, it doesn't show that SA updates the row when the data has not
changed. It only seems to update fields that have changed.
Or maybe your talking about the empty BEGIN / COMMIT block that is
beeing sent
Alexandre CONRAD wrote:
I might not be well waken up, but as I'm looking at your generated SA
logs, it doesn't show that SA updates the row when the data has not
changed. It only seems to update fields that have changed.
Or maybe should I say that I don't see the data beeing updated even
Alexandre CONRAD wrote:
Ok, maybe I got influenced by articles about nested sets beeing better,
as pointed Mike. Now I got you guys advices, I'll look deeper into
adjacency list. I'm glad I've had such feedback on my problem. This
defenitly helps, even more when you just don't know from
On Aug 4, 2007, at 4:10 AM, Boris Duek wrote:
So - how is it with sqlalchemy and intelligence when writing to an
instance of orm-mapped class? Does sqlalchemy behave intelligent just
by coincidence in some cases (like this one) and in other not?
it issues an UPDATE to a specific column
On Aug 4, 2007, at 7:43 AM, Alexandre CONRAD wrote:
Alexandre CONRAD wrote:
Ok, maybe I got influenced by articles about nested sets beeing
better,
as pointed Mike. Now I got you guys advices, I'll look deeper into
adjacency list. I'm glad I've had such feedback on my problem. This
I tried to use
http://www.sqlalchemy.org/docs/adv_datamapping.html#advdatamapping_inheritance_joined
-- Joined Table Inheritance.
And according to that example in documentation, I need to add a new
worker: at the beginning I had a simple employee (and the record in
employees' table). Than I
Hi Alexandre,
On Aug 4, 2:33 am, Alexandre CONRAD [EMAIL PROTECTED] wrote:
Hello Boris,
I might not be well waken up, but as I'm looking at your generated SA
logs, it doesn't show that SA updates the row when the data has not
changed. It only seems to update fields that have changed.
You
Boris Duek wrote:
2. I was assigning Python-bool value (True,False) to a TINYINT(1)
column.
But No 2. - maybe sqlalchemy could know that True is 1 and False is
0 because MySQL (the database to which I connect) treats its own
BOOL type as an alias to TINYINT(1)?
The Boolean column type
Hi again,
On Aug 4, 5:41 pm, Michael Bayer [EMAIL PROTECTED] wrote:
snip
no, youre free to order by whatever crierion youd like. the examples
return the nodes in insert order and will duplicate the input document.
snip
you can order by whatever you like. the example is ordering in the
On Aug 4, 2007, at 5:52 PM, Alex Conrad wrote:
The XML I showed was just an example to illustrate my problem. Sorry
if this was confusing. Right now, I have an application that uses XML,
it's true, but I'm rewriting the whole application.
I had a feeling this was the case, but I just try to
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