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To: "A.M." <agentm@cmu.edu>
Cc: pgsql-sql@postgresql.org
Subject: Re: 
In-reply-to: <DCD7116F-0416-11D7-98F3-0030657192DA@cmu.edu> 
References: <DCD7116F-0416-11D7-98F3-0030657192DA@cmu.edu>
Comments: In-reply-to "A.M." <agentm@cmu.edu>
	message dated "Fri, 29 Nov 2002 22:50:27 -0500"
Date: Fri, 29 Nov 2002 23:28:28 -0500
Message-ID: <25546.1038630508@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
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"A.M." <agentm@cmu.edu> writes:
> In summary, what I want is

>   field INT8 REFERENCES sometable NULL OK

Er ... NULL *is* OK, unless you say

   field INT8 REFERENCES sometable NOT NULL

			regards, tom lane