Re: pg_restore and create FK without verification check

From: Andreas Pflug <pgadmin(at)pse-consulting(dot)de>
To: ow <oneway_111(at)yahoo(dot)com>
Cc: Hannu Krosing <hannu(at)tm(dot)ee>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: pg_restore and create FK without verification check
Date: 2003-11-26 12:16:42
Message-ID: 3FC499AA.3020900@pse-consulting.de
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ow wrote:

>--- Andreas Pflug <pgadmin(at)pse-consulting(dot)de> wrote:
>
>
>>Yes, I mentioned it just a few days when discussing dependency in pg_dump.
>>This is somewhat complementary to WAL and PITR. I'm seeking for a fast
>>way to dump and restore a complete database, like physical file copy,
>>without shutting down the backend. I was thinking of a BACKUP command
>>that streams out the files including any indexes and non-vacuumed
>>tuples. A database recreated from that wouldn't be as clean as a
>>pg_dump/pg_restored database, but it would be up much faster, and there
>>wouldn't be any dependency problem.
>>This doesn't really replace pg_dump/pg_restore, because it probably
>>wouldn't be able to upgrade a cluster. Still, it would be helpful for
>>disaster recovery.
>>
>>
>>
>
>I think creating a FK without verification check is still needed, especially in
>case if:
>1) original db is corrupted
>2) during cluster upgrade
>
>
Agreed. This might be useful for replication purposes too; in MSSQL, you
can write "CREATE TRIGGER ... NOT FOR REPLICATION". I'd like to see a
transaction safe way (ENABLE/DISABLE TRIGGER command) for this.

>3) there's a need to BACKUP/RESTORE a *schema* instead of db.
>
>Thanks
>
>
>
>
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