On Mar 8, 2007, at 11:49 AM, Jonathan Ellis wrote:
> for instance, i have an application in charge of building zips for
> users to download from a queue of requests. the requests are
> prioritized, but to prevent starvation of low priority requests, i
> have another thread that just processes them in order of request time.
>
> so i have the base query that's just a module-level variable, and the
> main threadpool adds on the priority clause, while the other adds on
> the request-time clause.
well say you have your query
myquery = session.query(SomeClass).select(<whatever>)
your functions that want to build off of it without modifying can
just say:
def dosomething():
q = myquery.copy().where(<something>).where(<somethingelse>)
so if you do need a local query, you can get one. i think this is
the less common use case, so the extra typing should be associated
there (and its not as much extra typing as the "q= q.foo" thing).
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