| From: | "Zeugswetter Andreas SB SD" <ZeugswetterA(at)spardat(dot)at> |
|---|---|
| To: | "Mikheev, Vadim" <vmikheev(at)SECTORBASE(dot)COM>, "Bruce Momjian" <pgman(at)candle(dot)pha(dot)pa(dot)us>, "PostgreSQL-development" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Savepoints |
| Date: | 2002-01-25 14:21:22 |
| Message-ID: | 46C15C39FEB2C44BA555E356FBCD6FA42128DE@m0114.s-mxs.net |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
Vadim wrote:
> How about: use overwriting smgr + put old records into rollback
> segments - RS - (you have to keep them somewhere till TX's running
> anyway) + use WAL only as REDO log (RS will be used to rollback TX'
> changes and WAL will be used for RS/data files recovery).
> Something like what Oracle does.
We have all the info we need in WAL and in the old rows,
why would you want to write them to RS ?
You only need RS for overwriting smgr.
Andreas
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Tom Lane | 2002-01-25 15:19:25 | Re: RTREE Index on primary key generated by a sequence |
| Previous Message | Oliver Friedrich | 2002-01-25 14:18:49 | Re: Inserting Non English characters in a varchar type field |