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	Tue, 19 Mar 2002 02:03:43 PST
Date: Tue, 19 Mar 2002 02:03:43 -0800 (PST)
From: "Kancha ." <kancha2np@yahoo.com>
Subject: Re: create function problem
To: Matteo Beccati <m.beccati@crpsoftware.it>,
	pgsql-sql@postgresql.org
In-Reply-To: <2780D698C269CB4EB303715BA48B6A103373@sole.CRP>
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> Hi,
> 
> > create function usage(text)
> > returns numeric
> > as 'select ceil(sum(sessiontime)/60) from
> ath_online
> > where loginname=\'$1\' and  startdate >= (select
> > startdate from cst_package where status=\'t\' and
> > cid=(select cid from cst_customer where
> > loginname=\'$1\'));'
> > language 'sql';
> 
> Try to replace \'$1\' with just $1 (i.e. loginname =
> $1).
> 

the argument is a string so it has to be enclosed in
quotes and \ is to escape the quote. replacing with
just $1 will give error like following:

 Unable to identify an operator '=$' for types
'varchar' and 'int4'
        You will have to retype this query using an
explicit cast



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