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From: A. Kretschmer <andreas.kretschmer@schollglas.com>
To: pgsql-sql@postgresql.org
Subject: Re: Serial
Date: Tue, 3 Apr 2007 12:40:12 +0200
Message-ID: <20070403104012.GD30108@a-kretschmer.de> (raw)
In-Reply-To: <00e101c775da$fce4ec90$1102a8c0@dream>
References: <008301c775d1$4b224420$1102a8c0@dream>
	<20070403093222.GB30108@a-kretschmer.de>
	<00b101c775d6$2d313840$1102a8c0@dream>
	<20070403101446.GC30108@a-kretschmer.de>
	<00e101c775da$fce4ec90$1102a8c0@dream>

am  Tue, dem 03.04.2007, um 12:29:37 +0200 mailte Shavonne Marietta Wijesinghe folgendes:
> I'm mixed up now. I was suppose to something but i did something else.
> 
> OK so i have my FAMOUS table with the n_gen serial NOT NULL
> I got lost a bit. When and where do i use the setval() ??

Only to manipulate the current value of this sequence.


> 
> For example i INSERT records via ASP. so i should put the setval() in the 
> INSERT INTO of the ASP page??

No. You can define your table like:

create table foo (id serial, ...)

This creates implicit a own sequence and set the default for id to
nextval().


> And even when i do a SELECT i should use the setval()??

For a select? No.

12:39 < akretschmer> ??sequence
12:39 < rtfm_please> For information about sequence
12:39 < rtfm_please> see http://techdocs.postgresql.org/college/001_sequences/index.php
12:39 < rtfm_please> or http://www.postgresql.org/docs/current/interactive/sql-createsequence.html
12:39 < rtfm_please> or http://www.postgresql.org/docs/current/static/functions-sequence.html


Andreas
-- 
Andreas Kretschmer
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