From: John Fabiani <johnf@jfcomputer.com>
Organization: J.F. Computer Solutions
To: pgsql-sql@postgresql.org
Subject: Re: interesting sequence
Date: Tue, 5 Jul 2011 14:42:29 -0700
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On Tuesday, July 05, 2011 01:11:11 pm Kevin Crain wrote:
> You don't need a loop there.  Assuming your order id field is of type
> varchar you can just build the first part of your string and then do a
> count to get the last part using a LIKE comparison:
> 
> select count(id_order) + 1  from sometable WHERE id_order LIKE 'O-20110704
> -%';
> 
> If you do this inside a function it will be like running it in a
> transaction so you shouldn't have to worry about it being a multi-user
> system.
> 
> 
> 

I like this - looks better than what I'm currently doing.  Thanks
Johnf