From: Bruce Momjian <pgman@candle.pha.pa.us>
To: Wei Weng <wengwei@alumni.stevens-tech.edu>
Cc: pgsql-sql@postgresql.org
Subject: Re: Extending Datatype
Date: Fri, 14 Feb 2003 07:38:48 -0500 (EST)
Message-ID: <200302141238.h1ECcmf02988@candle.pha.pa.us> (raw)
In-Reply-To: <001101c2d3ed$49ca74b0$2f437242@PASCAL>
Well, look in /contrib for some example data types. The job isn't
trivial. Can you explain how UNIQUEIDENTIFIER is different from SERIAL?
---------------------------------------------------------------------------
Wei Weng wrote:
> I need to use the UNIQUEIDENTIFIER. There are other concerns in the database
> design that makes using a serial type very inpractical.
>
> Is there easy example of writing a data type extension somewhere??
>
> Thanks
>
>
> Wei
>
> ----- Original Message -----
> From: "Bruce Momjian" <pgman@candle.pha.pa.us>
> To: "Wei Weng" <wweng@kencast.com>
> Cc: <pgsql-sql@postgresql.org>
> Sent: Thursday, February 13, 2003 6:06 PM
> Subject: Re: [SQL] Extending Datatype
>
>
> >
> > Try the SERIAL data type. It uses sequences and DEFAULT. Read the FAQ.
> >
> > --------------------------------------------------------------------------
> -
> >
> > Wei Weng wrote:
> > > Where can I find a more detailed doc on how to write module for extended
> > > datatype? There isn't much about it on techdoc.postgresql.org.
> > >
> > > (I need to write one for UNIQUEIDENTIFIER.)
> > >
> > > Thanks!
> > >
> > >
> > > Wei
> > >
> > >
> > >
> > >
> > >
> > > ---------------------------(end of broadcast)---------------------------
> > > TIP 5: Have you checked our extensive FAQ?
> > >
> > > http://www.postgresql.org/users-lounge/docs/faq.html
> > >
> >
> > --
> > Bruce Momjian | http://candle.pha.pa.us
> > pgman@candle.pha.pa.us | (610) 359-1001
> > + If your life is a hard drive, | 13 Roberts Road
> > + Christ can be your backup. | Newtown Square, Pennsylvania
> 19073
> >
> > ---------------------------(end of broadcast)---------------------------
> > TIP 5: Have you checked our extensive FAQ?
> >
> > http://www.postgresql.org/users-lounge/docs/faq.html
> >
> >
>
>
--
Bruce Momjian | http://candle.pha.pa.us
pgman@candle.pha.pa.us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073
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To: pgsql-sql@postgresql.org
Cc: pgman@candle.pha.pa.us, wengwei@alumni.stevens-tech.edu
Subject: Re: Extending Datatype
In-Reply-To: <200302141238.h1ECcmf02988@candle.pha.pa.us>
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