Re: libpq PQexecPrepared returns NULL

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Gergely Czuczy <phoemix(at)harmless(dot)hu>
Cc: pgsql-interfaces <pgsql-interfaces(at)postgresql(dot)org>
Subject: Re: libpq PQexecPrepared returns NULL
Date: 2004-03-04 15:18:50
Message-ID: 25837.1078413530@sss.pgh.pa.us
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Gergely Czuczy <phoemix(at)harmless(dot)hu> writes:
> the strange thing is -- what i've forgot to mention -- is that
> PQerrorMessage returns an empty string, so from this i don't know the
> source of the error.

That's messy. I'd recommend getting out a debugger and tracing through
it to see exactly where it's failing. Or put in some printf's. There
aren't that many paths that could return NULL. I guess one of them must
be forgetting to set PQerrorMessage, which seems like a bug to me. Let
us know what you find out.

regards, tom lane

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