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From: Michael Meskes <Michael_Meskes@usa.net>
To: James Thompson <jamest@math.ksu.edu>
Cc: Margarita Barvinok <brita@math.lsa.umich.edu>
Cc: pgsql-interfaces@postgreSQL.org
Subject: Re: [INTERFACES] Use ecpg
Date: Thu, 28 Jan 1999 19:58:59 +0100
Message-ID: <19990128195859.B513@gmx.net> (raw)
In-Reply-To: <Pine.GSO.4.05.9901281022280.13734-100000@noether.math.ksu.edu>
References: <Pine.SOL.3.96-4hack.990128091535.15513B-100000@sewerurchin.math.lsa.umich.edu>
	<Pine.GSO.4.05.9901281022280.13734-100000@noether.math.ksu.edu>

On Thu, Jan 28, 1999 at 10:36:30AM -0600, James Thompson wrote:
> On Thu, 28 Jan 1999, Margarita Barvinok wrote:
> 
> > 
> > Hello All,
> > 
> > I just began to use postgresql-6.4.2 and ecpg (version: 2.4.4).
> > I try t precompile simple

Strange. For some reason I've never seen the original mail. Seems that's
just another of those typical usa.net mail losses. Could someone please
forward it to me. Thanks.

> >   /* set error handler to bail out if we can't connect */
> >   EXEC SQL WHENEVER SQLERROR
> >     {                                            /* LINE 17     */
> >     printError();
> >     return FAILURE;
> >     };

Sorry, but that's incorrect syntax. What you want to do is:

func()
{
printError();
return FAILURE;
}

EXEC SQL WHENEVER SQLERROR DO func();

BTW there is a function defined in libecpg named sqlerror() that prints a
clear text error message.

> ...
> 
> For me, the best documentation has been the test progs bundled in the
> postgresql distro.  From memory the location is
> 
> postgresql-6.4.2/src/interfaces/ecpg/test

Yup.

Michael

-- 
Michael Meskes                         | Go SF 49ers!
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Tel.: (+49) 2431/72651                 | Use Debian GNU/Linux!
Email: Michael.Meskes@gmx.net          | Use PostgreSQL!



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