Re: Do I just not understand count()?
Gregory Wood <gregw@com-stock.com>
From: "Gregory Wood" <gregw@com-stock.com>
To: "Ben" <bench@silentmedia.com>
Cc: "PostgreSQL-General" <pgsql-general@postgresql.org>
Date: 2002-04-08T18:42:01Z
Lists: pgsql-general
I don't think I've seen that particular syntax used before (I would say select count(a) from t where a=1;), but since the query appears to work, I won't argue. Why do you think it should give you a result of 1? There are two rows containing a value of 1 for a, hence it returns 2. Greg ----- Original Message ----- From: "Ben" <bench@silentmedia.com> To: <pgsql-general@postgresql.org> Sent: Monday, April 08, 2002 2:25 PM Subject: [GENERAL] Do I just not understand count()? > If I have the table t defined as: > > a > --- > 1 > 1 > 2 > > > and I say: > > select count(a=1) from t; > > should it give me 1 or 2 as a result? I'm getting 2, and I'd think I > should get 1.... > > > ---------------------------(end of broadcast)--------------------------- > TIP 4: Don't 'kill -9' the postmaster >