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From: TJ O'Donnell <tjo@acm.org>
To: pgsql-sql@postgresql.org
Subject: SQL error: function round(double precision, integer) does not exist
Date: Sun, 27 Feb 2005 15:26:07 -0800
Message-ID: <4222570F.5080901@acm.org> (raw)

I received the following error when executing a SQL statement:

SQL error:
ERROR:  function round(double precision, integer) does not exist

In statement:

select id,smiles,smarts,parameter,oe_count_matches(smiles,smarts) as count,
  round((parameter*oe_count_matches(smiles,smarts)),2) as psa,tpsa(smiles) as ctpsa,tpsa
  from structure,tpsa
  where id < 237610
  and oe_count_matches(smiles,smarts) > 0

order by id;

The functions described at:
http://www.postgresql.org/docs/7.4/static/functions-math.html
show that round(numeric,int) should work ok.
If I use round() without a second argument, it works OK, but
this gives a loss of precision which I do not want.

Can anyone help me with this?

Thanks,
TJ

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