Re: Extending Datatype

Well, look in /contrib for some example data types.  The job isn't
trivial.  Can you explain how UNIQUEIDENTIFIER is different from SERIAL?

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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
> > >
> > >
> > >
> > >
> > >
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> > >
> >
> > --
> >   Bruce Momjian                        |  http://candle.pha.pa.us
> >   pgman@candle.pha.pa.us               |  (610) 359-1001
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> >
> >
> 
> 

--  Bruce Momjian                        |  http://candle.pha.pa.us pgman@candle.pha.pa.us               |  (610)
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