From: Michael Meskes <meskes@postgresql.org>
To: pgsql-interfaces@postgresql.org
Subject: Re: [INTERFACES] Counting updates with libpq
Date: Mon, 8 Mar 1999 08:46:47 +0100
Message-ID: <19990308084647.C227@gmx.net> (raw)
In-Reply-To: <21236.920823639@sss.pgh.pa.us>
References: <19990306135432.A1858@gmx.net>
<21236.920823639@sss.pgh.pa.us>
On Sun, Mar 07, 1999 at 11:20:39AM -0500, Tom Lane wrote:
> > For ecpg I've beed using PQntuples(). Is it the same function?
>
> No. PQntuples() is the number of rows in the returned result. It will
> always be zero if the SQL command was not SELECT (or FETCH).
I'm afraid this is incorrect. I tried it on an insert (via exec sql execute
immediate) and it got the correct result.
> PQcmdTuples() is just a dumb little function that looks at the command
> status string (the same thing psql prints at the end of a query) and
> pulls out the number that appears in "UPDATE n" or "DELETE n" or
> "INSERT oid n". Since the questioner asked about updated records,
> I assumed that was the number he wanted.
I need this number as well.
Michael
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To: pgsql-interfaces@postgresql.org
Cc: meskes@postgresql.org
Subject: Re: [INTERFACES] Counting updates with libpq
In-Reply-To: <19990308084647.C227@gmx.net>
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