From: Bruce Momjian <pgman@candle.pha.pa.us>
To: Philip Yarra <philip@utiba.com>
Cc: pgsql-interfaces@postgresql.org
Subject: Re: quick ECPG doco change
Date: Sat, 29 Nov 2003 22:34:28 -0500 (EST)
Message-ID: <200311300334.hAU3YSR07437@candle.pha.pa.us> (raw)
In-Reply-To: <200311191100.34246.philip@utiba.com>
Your patch has been added to the PostgreSQL unapplied patches list at:
http://momjian.postgresql.org/cgi-bin/pgpatches
I will try to apply it within the next 48 hours.
---------------------------------------------------------------------------
Philip Yarra wrote:
> Hi, this doco patch is a quick one to add explicit mention of the need for the
> AT clause in threaded ECPG applications. Does this sound okay?
>
> Bruce, yes, I do intend to contribute more than this, but at least this will
> stop some confusion in the meantime.
>
> Regards, Philip Yarra.
>
>
> Index: ecpg.sgml
> ===================================================================
> RCS file: /projects/cvsroot/pgsql-server/doc/src/sgml/ecpg.sgml,v
> retrieving revision 1.54
> diff -c -r1.54 ecpg.sgml
> *** ecpg.sgml 12 Nov 2003 22:47:47 -0000 1.54
> --- ecpg.sgml 18 Nov 2003 23:20:51 -0000
> ***************
> *** 353,358 ****
> --- 353,365 ----
> </programlisting>
> This option is particularly suitable if the application needs to
> use several connections in mixed order.
> + </para>
> +
> + <para>
> + If your application uses multiple threads of execution, they cannot
> share a
> + connection concurrently. You must either explicitly control access to
> the connection
> + (using mutexes) or use a connection for each thread. If each thread
> uses its own connection,
> + you will need to use the AT clause to specify which connection the
> thread will use.
> </para>
>
> <para>
>
> -------------------------------------------------------
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 9: the planner will ignore your desire to choose an index scan if your
> joining column's datatypes do not match
>
--
Bruce Momjian | http://candle.pha.pa.us
pgman@candle.pha.pa.us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073
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To: pgsql-interfaces@postgresql.org
Cc: pgman@candle.pha.pa.us, philip@utiba.com
Subject: Re: quick ECPG doco change
In-Reply-To: <200311300334.hAU3YSR07437@candle.pha.pa.us>
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