Re: declare column update expression - Mailing list pgsql-general

From Chris Velevitch
Subject Re: declare column update expression
Date
Msg-id b0a3bf780809112006l5c3a8941y52ce1aa8623d9bda@mail.gmail.com
Whole thread Raw
In response to Re: declare column update expression  (Artacus <artacus@comcast.net>)
List pgsql-general
On Fri, Sep 12, 2008 at 12:50 PM, Artacus <artacus@comcast.net> wrote:
> You can do this without triggers (at least on 8.3).
>
> UPDATE foo
> SET field1  = 2,
>   field2 = default
> WHERE field3 = 22

That means I have to then go through all my code and make sure I set
the fields value. If I forget to modify one statement, things will
break. That's why I'm looking for a declarative way of doing and let
database handle it like it handles setting the default value of a
column on insert.



Chris
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Chris Velevitch
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