Re: How to insert with a serial

No, inserting a null will not work, it will insert the null

Dave

-----Original Message-----
From: pgsql-general-owner@postgresql.org
[mailto:pgsql-general-owner@postgresql.org] On Behalf Of Mitch Vincent
Sent: October 22, 2001 2:02 PM
To: pgsql-general@postgresql.org
Subject: Re: [GENERAL] How to insert with a serial


insert 'ing a NULL in place of the serial will work too, yes?

INSERT INTO DEVICES (my_serial_id, name, type, ownerteamid) VALUES
(NULL,'scoobydoo', 1, 43);

-Mitch


----- Original Message -----
From: "Ian Harding" <ianh@tpchd.org>
To: <elwood@agouros.de>; <pgsql-general@postgresql.org>
Sent: Monday, October 22, 2001 12:43 PM
Subject: Re: [GENERAL] How to insert with a serial


> Specify all fields except the serial field in your insert so it will
> use
the default (sequence number) value.
>
> INSERT INTO DEVICES (name, type, ownerteamid) VALUES ('scoobydoo', 1,
> 43)
>
> One funny thing about serial fields is that you CAN insert a value
> into
them, but the sequence has no idea what you did, so it will merrily
assign the next value it knows about when you don't provide a value,
potentially causing a conflict.  Therefore, don't do that.  Always let
the value be assigned as above.
>
> PS Check out Bruce's book!
>
> Ian A. Harding
> Programmer/Analyst II
> Tacoma-Pierce County Health Department
> (253) 798-3549
> mailto: ianh@tpchd.org
>
> >>> Konstantinos Agouros <elwood@agouros.de> 10/21/01 06:16AM >>>
> Hi,
>
> I have a table defined like this:
>
>   Attribute  |         Type          |                 Modifier
> -------------+-----------------------+--------------------------------
> -------------+-----------------------+----
------
>  name        | character varying(40) |
>  type        | integer               |
>  id          | integer               | not null default
nextval('serial'::text)
>  ownerteamid | integer               |
> Index: devices_pkey
>
> How do I insert into it so that id is automatically incremented?
>
> Konstantin
> --
> Dipl-Inf. Konstantin Agouros aka Elwood Blues. Internet:
> elwood@agouros.de Otkerstr. 28, 81547 Muenchen, Germany. Tel +49 89
> 69370185
>
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> "Captain, this ship will not survive the forming of the cosmos."
> B'Elana
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