RE: [HACKERS] Open 6.5 items

> -----Original Message-----
> From: Bruce Momjian [mailto:maillist@candle.pha.pa.us]
> Sent: Monday, May 31, 1999 11:15 AM
> To: Hiroshi Inoue
> Cc: PostgreSQL-development
> Subject: Re: [HACKERS] Open 6.5 items
> 
> 
> > > Make psql \help, man pages, and sgml reflect changes in grammar
> > > Markup sql.sgml, Stefan's intro to SQL
> > > Generate Admin, User, Programmer hardcopy postscript
> > > Generate INSTALL and HISTORY from sgml sources.
> > > Update ref/lock.sgml, ref/set.sgml to reflect MVCC and 
> locking changes.
> > >
> > 
> > What about mdtruncate() for multi-segments relation ?
> > AFAIK,it has not been solved yet.
> > 
> 
> I thought we decided that file descriptors are kept by backends, and are
> still accessable while new backends don't see the files.  Correct?
>

Yes,other backends could write to unliked files which would be 
vanished before long.
I think it's more secure to truncate useless segments to size 0 
than unlinking the segments though vacuum would never remove 
useless segments.

Thanks.

Hiroshi Inoue
Inoue@tpf.co.jp