Re: [HACKERS] ecpg problem

From: Maarten Boekhold <maartenb(at)dutepp0(dot)et(dot)tudelft(dot)nl>
To: "Dr(dot) Michael Meskes" <meskes(at)online-club(dot)de>
Cc: PostgreSQL Hacker <pgsql-hackers(at)postgreSQL(dot)org>
Subject: Re: [HACKERS] ecpg problem
Date: 1998-08-15 10:27:55
Message-ID: Pine.SUN.3.91.980815122630.21300D-100000@dutepp0.et.tudelft.nl
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On Fri, 14 Aug 1998, Dr. Michael Meskes wrote:

> I just found this one on my TODO list:
>
> The error message for "no data" in an exec sql insert select from statement
> has to be 100.
>
> It seems I cannot get that kind of information from libpq other than
> checking for the result being 0 tuples. But is this correct? Or are there
> possibilities to get 0 tuples? That is I get PQcmdTuples(results) = 0 with
> the return code being PGRES_COMMAND_OK.

Shouldn't you check for PGRES_TUPLES_OK ? I always check for this if I
want to know if a data select statement has succeeded. And this also
still allows PQntuples() == 0

Maarten

_____________________________________________________________________________
| TU Delft, The Netherlands, Faculty of Information Technology and Systems |
| Department of Electrical Engineering |
| Computer Architecture and Digital Technique section |
| M(dot)Boekhold(at)et(dot)tudelft(dot)nl |
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  • ecpg problem at 1998-08-14 08:49:01 from Dr. Michael Meskes

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