Re: [GENERAL] capturing and storing query statement with

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От Bruce Momjian
Тема Re: [GENERAL] capturing and storing query statement with
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Msg-id 200306252140.h5PLelL13783@candle.pha.pa.us
обсуждение исходный текст
Ответ на Re: [GENERAL] capturing and storing query statement with  (Joe Conway <mail@joeconway.com>)
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Added to TODO:
* Promote debug_query_string into a server-side function  current_query()


---------------------------------------------------------------------------

Joe Conway wrote:
> Tom Lane wrote:
> > Joe Conway <mail@joeconway.com> writes:
> > 
> >>I was thinking something similar. This exact question has come up at 
> >>least three times in the last three months. I doubt we'd want a special 
> >>keyword like CURRENT_QUERY, but maybe current_query()?
> > 
> > Not unless you want to promote a quick debugging hack, not expected or
> > required to work 100%, into a supported feature.  I don't think
> > debug_query_string can be relied on to always reflect what the system
> > is doing, particularly not in the 3.0 protocol extended-query case.
> > And how about when you're executing queries inside a function --- is it
> > supposed to tell you about the most closely nested SQL query?
> > 
> > I don't say this is not worth doing --- but I do say you are opening a
> > larger can of worms than you probably think.
> > 
> 
> Hmmm. Good points. This one may best wait for 7.5 at least. Does it make 
> sense to turn it into a TODO?
> 
>   * promote debug_query_string into a documented, supported feature
> 
> Anyone who *does* use the function from dblink, please be sure to report 
> circumstances where dblink_current_query() returns something other than 
> what you would expect.
> 
> Thanks,
> 
> Joe
> 
> 
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