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RE: [HACKERS] Well, then you keep your darn columns

From: "Hiroshi Inoue" <Inoue(at)tpf(dot)co(dot)jp>
To: "Zeugswetter Andreas SB" <ZeugswetterA(at)wien(dot)spardat(dot)at>
Cc: <pgsql-hackers(at)postgreSQL(dot)org>
Subject: RE: [HACKERS] Well, then you keep your darn columns
Date: 2000-01-26 11:02:36
Message-ID: 001001bf67ec$da596e20$2801007e@tpf.co.jp (view raw or flat)
Thread:
Lists: pgsql-hackers
> -----Original Message-----
> From: owner-pgsql-hackers(at)postgreSQL(dot)org
> [mailto:owner-pgsql-hackers(at)postgreSQL(dot)org]On Behalf Of Zeugswetter
> Andreas SB
> 
> > > > > 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 ?
> 
> Transaction id of alter table command ?
>

Does it work well after one more column is added ?

Regards.

Hiroshi Inoue
Inoue(at)tpf(dot)co(dot)jp 

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Next:From: Hiroshi InoueDate: 2000-01-26 11:05:00
Subject: RE: Happy column adding (was RE: [HACKERS] Happy column dropping)
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Subject: AW: [HACKERS] Well, then you keep your darn columns

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