Deferrable NOT NULL constraints in 9.3?

Started by Nonameabout 13 years ago3 messages
#1Noname
andreak@officenet.no

<div>Hi hackers.</div>

<div> </div>

<div>Are there any plans to include DEFERRABLE NOT NULL constraints in 9.3 so one can do this?</div>

<div>
<pre class="lang-sql prettyprint prettyprinted" style="">
create table test(a varchar not null deferrable initially deferred);</pre>
</div>

<div>This works in Oracle and is quite handy when working with ORMs.</div>

<div> </div>

<div>Thanks.</div>

<div> </div>

<div class="origo-email-signature">--<br>
Andreas Joseph Krogh &lt;andreak@officenet.no&gt;      mob: +47 909 56 963<br>
Senior Software Developer / CTO - OfficeNet AS - http://www.officenet.no&lt;br&gt;
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#2Robert Haas
robertmhaas@gmail.com
In reply to: Noname (#1)
Re: Deferrable NOT NULL constraints in 9.3?

On Thu, Nov 8, 2012 at 4:45 AM, <andreak@officenet.no> wrote:

Are there any plans to include DEFERRABLE NOT NULL constraints in 9.3 so one
can do this?

create table test(a varchar not null deferrable initially deferred);

This works in Oracle and is quite handy when working with ORMs.

Not to my knowledge ... although I can't claim to know everything that
anyone is working on.

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

#3Tom Lane
tgl@sss.pgh.pa.us
In reply to: Robert Haas (#2)
Re: Deferrable NOT NULL constraints in 9.3?

Robert Haas <robertmhaas@gmail.com> writes:

On Thu, Nov 8, 2012 at 4:45 AM, <andreak@officenet.no> wrote:

Are there any plans to include DEFERRABLE NOT NULL constraints in 9.3 so one
can do this?

create table test(a varchar not null deferrable initially deferred);

This works in Oracle and is quite handy when working with ORMs.

Not to my knowledge ... although I can't claim to know everything that
anyone is working on.

You could get the effect by applying the not-null check in a custom
constraint trigger. A bit tedious but it'd work.

regards, tom lane