Re: Proposal - Support for National Characters functionality

> -----Original Message-----
> From: Claudio Freire [mailto:klaussfreire@gmail.com]
> Sent: Friday, 5 July 2013 3:41 PM
> To: Tatsuo Ishii
> Cc: Arulappan, Arul Shaji; PostgreSQL-Dev
> Subject: Re: [HACKERS] Proposal - Support for National Characters
> functionality
>
> On Fri, Jul 5, 2013 at 2:02 AM, Tatsuo Ishii <ishii@postgresql.org>
wrote:
> >> - Support for NATIONAL_CHARACTER_SET GUC variable that will
determine
> >> the encoding that will be used in NCHAR/NVARCHAR columns.
> >
> > You said NCHAR's encoding is UTF-8. Why do you need the GUC if
NCHAR's
> > encoding is fixed to UTF-8?
>
>
> Not only that, but I don't think it can be a GUC. Maybe a compile-time
switch,
> but if it were a GUC, how do you handle an existing database in UTF-8
when the
> setting is switched to UTF-16? Re-encode everything?
> Store the encoding along each value? It's a mess.
>
> Either fix it at UTF-8, or make it a compile-time thing, I'd say.

Agreed, that to begin with we only support UTF-8 encoding for NCHAR
columns. If that is the case, do we still need a compile time option to
turn on/off NCHAR functionality ? ?

Rgds,
Arul Shaji