From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | "imagenesis(at)gmail(dot)com" <imagenesis(at)gmail(dot)com> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: count(*) in binary mode returns 0 |
Date: | 2016-12-04 17:39:17 |
Message-ID: | 26057.1480873157@sss.pgh.pa.us |
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Lists: | pgsql-general |
"imagenesis(at)gmail(dot)com" <imagenesis(at)gmail(dot)com> writes:
> I have an implementation of binary format communication that is working
> quite well but it is failing inexplicably on returning valid results for
> the aggregate function count. It returns a correct result for instance for
> the aggregate function max.
> Here is some debug information to illustrate that I have debugged the host
> order conversions and what have you in implementing this binary format. As
> you can see, it is simply returning 0.
Offhand I'd bet that you're mistransmitting the statement parameter so
that the WHERE condition never succeeds. You could set log_statement=all
and look in the postmaster log to see what the server thinks it's getting.
regards, tom lane
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