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To: Karthikeyan Sundaram <skarthi98@hotmail.com>
cc: postgres admin <pgsql-admin@postgresql.org>,
	postgres sql <pgsql-sql@postgresql.org>
Subject: Re: Question on pgpsql function 
In-reply-to: <BAY131-W13C024D09AE528E6496EECB05A0@phx.gbl> 
References: <BAY131-W13C024D09AE528E6496EECB05A0@phx.gbl>
Comments: In-reply-to Karthikeyan Sundaram <skarthi98@hotmail.com>
	message dated "Sun, 08 Apr 2007 12:47:42 -0700"
Date: Sun, 08 Apr 2007 19:20:46 -0400
Message-ID: <11751.1176074446@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
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Karthikeyan Sundaram <skarthi98@hotmail.com> writes:
>  I am getting an error message 
> ERROR:  function substr(bit, integer, integer) does not existHINT:  No func=
> tion matches the given name and argument types. You may need to add explici=
> t type casts.CONTEXT:  SQL function "week_func"

I think you want substring() not substr().

			regards, tom lane