Re: freezing a particular field in a table

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От Jason Minion
Тема Re: freezing a particular field in a table
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Msg-id 0105A1BF505D304E9E5AF38B63E40E4E82E10C@EXCHANGE.siglercompanies.com
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Ответ на freezing a particular field in a table  (Ferindo Middleton Jr <fmiddleton@verizon.net>)
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Perhaps a BEFORE UPDATE trigger, setting NEW.do_not_change_me =
OLD.do_not_change_me?


Jason Minion
IT Developer
Sigler Printing & Publishing
413 Northwestern Ave
Ames, IA 50010
515-232-6997
jason.minion@sigler.com

-----Original Message-----
From: pgsql-admin-owner@postgresql.org
[mailto:pgsql-admin-owner@postgresql.org] On Behalf Of Ferindo Middleton
Jr
Sent: Tuesday, November 22, 2005 5:29 PM
To: pgsql-admin@postgresql.org
Subject: [ADMIN] freezing a particular field in a table

Is there a way where you can implement a situation in a postgres table
where a particular field cannot be changed when saved initially. I have
table and there's one particular integer field that should never be
changed in any record inserted... but I might need to allow the entire
record to be deleted... I was just wondering if there's a way to
implement something like this on a field (but not the entire row) at the
database level?

Ferindo Middleton

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