| From: | Vadim Mikheev <vadim(at)krs(dot)ru> |
|---|---|
| To: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
| Cc: | Mike Mascari <mascarm(at)mascari(dot)com>, Lamar Owen <lamar(dot)owen(at)wgcr(dot)org>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Lincoln Yeoh <lylyeoh(at)mecomb(dot)com>, pgsql-general(at)postgreSQL(dot)org, PostgreSQL Developers List <hackers(at)postgreSQL(dot)org> |
| Subject: | Re: [HACKERS] Re: [GENERAL] drop/rename table and transactions |
| Date: | 1999-11-29 05:59:22 |
| Message-ID: | 3842163A.6AD7B1DE@krs.ru |
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| Lists: | pgsql-general pgsql-hackers |
Bruce Momjian wrote:
>
> > if PostgreSQL could successfully rollback DDL statements sanely (and thus
> > diverge from ORACLE). I guess I don't expect that to happen successfully
> > until
> > something the equivalent of TABLESPACES is implemented and there is a
> > disassociation between table names, index names and their filesystem
> > counterparts and to be able to "undo" filesystem operations. That, it seems
> > to
> > me, will be a major undertaking and not going to happen any time soon...
>
> Ingres has table names that don't match on-disk file names, and it is a
> pain to administer because you can't figure out what is going on at the
> file system level. Table files have names like AAAHFGE.
I have to say that I'm going to change on-disk database/table/index
file names to _OID_! This is required by WAL because of inside of
log records there will be just database/table/index oids, not names,
and after crash recovery will not be able to read pg_class to get
database/table/index name using oid ...
Vadim
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