
> "Hiroshi Inoue" <Inoue@tpf.co.jp> writes:
> > My idea is as follows.
> 
> > 1)add a visibile/invisible flag to pg_attribute

might use a xid as flag, so rows before xid have the column, rows after 
xid don't have it.

Andreas

Wed, 26 Jan 2000 09:58:08 +0100
Zeugswetter Andreas SB <ZeugswetterA@wien.spardat.at>
AW: [HACKERS] Well, then you keep your darn columns 
> -----Original Message-----
> From: owner-pgsql-hackers@postgreSQL.org
> [mailto:owner-pgsql-hackers@postgreSQL.org]On Behalf Of Zeugswetter
> Andreas SB
> 
> > "Hiroshi Inoue" <Inoue@tpf.co.jp> writes:
> > > My idea is as follows.
> > 
> > > 1)add a visibile/invisible flag to pg_attribute
> 
> might use a xid as flag, so rows before xid have the column, rows after 
> xid don't have it.
>

>From where do we get the xid ?

Regards.

Hiroshi Inoue
Inoue@tpf.co.jp 

Wed, 26 Jan 2000 18:47:11 +0900
"Hiroshi Inoue" <Inoue@tpf.co.jp>
RE: [HACKERS] Well, then you keep your darn columns 