From: Maximilian Tyrtania <maximilian.tyrtania@onlinehome.de>
To: pgsql-sql@postgresql.org
Subject: Distinct oddity
Date: Thu, 07 May 2009 10:21:41 +0200
Message-ID: <C62866B5.35DA3%maximilian.tyrtania@onlinehome.de> (raw)
Hi there,
does this look right?
FAKDB=# select count(distinct(f.land)) from firmen f where
f.typlist='Redaktion';
count
-------
1975
(1 row)
FAKDB=# select count(distinct(f.land||'1')) from firmen f where
f.typlist='Redaktion';
count
-------
4944
(1 row)
FAKDB=# select version();
version
----------------------------------------------------------------------------
----------------------------------------------------------
PostgreSQL 8.3.3 on powerpc-apple-darwin, compiled by GCC
i686-apple-darwin8-gcc-4.0.1 (GCC) 4.0.1 (Apple Computer, Inc. build 5370)
(1 row)
Why would the 2 queries give different results? No inserts occurred in the
meantime.
tia,
Maximilian Tyrtania
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To: pgsql-sql@postgresql.org
Cc: maximilian.tyrtania@onlinehome.de
Subject: Re: Distinct oddity
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