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A question

From: "x" <sunthing(at)963(dot)net>
To: pgadmin-support(at)postgresql(dot)org
Subject: A question
Date: 2002-11-28 05:26:48
Message-ID: web-4515652@msg1.963.net (view raw or flat)
Thread:
Lists: pgadmin-support
My postgresql version is 7.2.1
I have create a function:
create function returnset(varchar) returns setofcomputers
as '
select * from computer where hostname like ''%''+$1+''%'' '
language 'plpgsql';

But when I select returnset('aaa') ,it returns:

An error has occured in pgAdmin
II:frmSQLInput.cmdExecute_Click:
Number:-2147467259
Description:ERROR:fmgr_info:function 0:cache lookup failed

Please tell me what means!
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