From: Bruce Momjian <maillist@candle.pha.pa.us>
To: tgl@sss.pgh.pa.us
Cc: pgsql-hackers@postgreSQL.org
Cc: pgsql-interfaces@postgreSQL.org
Subject: Re: [HACKERS] Revised proposal for libpq and FE/BE protocol changes
Date: Wed, 29 Apr 1998 12:04:41 -0400 (EDT)
Message-ID: <199804291604.MAA18436@candle.pha.pa.us> (raw)
In-Reply-To: <8596.893860094@sss.pgh.pa.us>
> That was something I asked about a few days ago, and didn't get any
> responses suggesting that anyone thought it was likely to happen.
>
> We would need wholesale changes everywhere in the protocol to support
> concurrent queries: answers and errors coming back would have to be
> tagged to indicate which query they apply to. The lack of a tag in
> the cancel message isn't the controlling factor.
>
> In the current system architecture, much the easiest way to execute
> concurrent queries is to open up more than one connection. There's
> nothing that says a frontend process can't fire up multiple backend
> processes. I think this is probably sufficient, because I don't
> foresee such a thing becoming really popular anyway.
If we can remove the exec() in 6.4, that will make backend startup even
quicker.
--
Bruce Momjian | 830 Blythe Avenue
maillist@candle.pha.pa.us | Drexel Hill, Pennsylvania 19026
+ If your life is a hard drive, | (610) 353-9879(w)
+ Christ can be your backup. | (610) 853-3000(h)
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To: pgsql-interfaces@postgresql.org
Cc: maillist@candle.pha.pa.us, tgl@sss.pgh.pa.us, pgsql-hackers@postgreSQL.org
Subject: Re: [HACKERS] Revised proposal for libpq and FE/BE protocol changes
In-Reply-To: <199804291604.MAA18436@candle.pha.pa.us>
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