Re: BUG #5477: CREATE DOMAIN NOT NULL constraints not always enforced for INSERT with subquery

From: Matthew Nourse <matthew(at)nplus1(dot)com(dot)au>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Kevin Grittner <Kevin(dot)Grittner(at)wicourts(dot)gov>, pgsql-bugs(at)postgresql(dot)org
Subject: Re: BUG #5477: CREATE DOMAIN NOT NULL constraints not always enforced for INSERT with subquery
Date: 2010-05-30 23:07:53
Message-ID: 4C02EFC9.3010302@nplus1.com.au
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-bugs

Tom Lane wrote:
> Matthew Nourse <matthew(at)nplus1(dot)com(dot)au> writes:
>> As NOT NULL on domains doesn't always prevent a value from becoming NULL
>> (and because it "sucks" :) ) would you consider deprecating the
>> not-null-on-domains feature and then removing it from some future
>> version of PostgreSQL?
>
> We can't really because it's required by SQL standard. Perhaps at some
> point the standards committee will think it through a little better and
> publish something that resolves the contradictions. For the moment the
> bottom line is that it's got debatable behavior and is best avoided.
>

Ah, I see. Thanks again!

Matt

In response to

Browse pgsql-bugs by date

  From Date Subject
Next Message Greg Stark 2010-05-31 01:58:48 Re: BUG #5459: Unable to cancel query while in send()
Previous Message Tom Lane 2010-05-30 17:54:14 Re: BUG #5477: CREATE DOMAIN NOT NULL constraints not always enforced for INSERT with subquery