Dear Richard,
Thank you for your feedback. So there are multiple stage types associated
with a sample, and I plan to check a priori whether
a sample has no stage types associated (whether equivalent to a
user-defined null case). But for each stage type, it is not exceptional to
have no stages.
> But latest() raises DoesNotExist error if sample does not have any
> stages. Without using latest() and thus not
> having to write try/ catch, what is a good way to do this? Default values
> for the list of stages and the status are [] and None, respectively.
>
I understand not wanting to wr
Thanks Karen, I set
DATABASES = {
'default': {
'OPTIONS': {'init_command': 'SET SESSION TRANSACTION ISOLATION
LEVEL READ COMMITTED'},
}
}
At first glance it seemed to do the trick. In fact it seemed to force
the re-query every time I did .filter, without putting the QuerySet
into
On Tue, Oct 25, 2011 at 7:39 PM, druce wrote:
> Tried every other way I could think of. Any idea what I have to do to
> force it to requery the database?
>
Sounds like you are a victim of the default REPEATABLE READ MySQL/InnoDB
transaction isolation level.
See this ticket for more details:
htt
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