Re: [GENERAL] capturing and storing query statement with rules - Mailing list pgsql-hackers

From Tom Lane
Subject Re: [GENERAL] capturing and storing query statement with rules
Date
Msg-id 26048.1056552053@sss.pgh.pa.us
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In response to Re: [GENERAL] capturing and storing query statement with rules  (Joe Conway <mail@joeconway.com>)
Responses Re: [GENERAL] capturing and storing query statement with  (Joe Conway <mail@joeconway.com>)
List pgsql-hackers
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.
        regards, tom lane


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