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RE: pgsql/src/backend/commands (command.c vacuum.c) - Mailing list pgsql-committers

From Hiroshi Inoue
Subject RE: pgsql/src/backend/commands (command.c vacuum.c)
Date
Msg-id EKEJJICOHDIEMGPNIFIJOEBLDBAA.Inoue@tpf.co.jp
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In response to pgsql/src/backend/commands (command.c vacuum.c)  (Jan Wieck <wieck>)
Responses Re: pgsql/src/backend/commands (command.c vacuum.c)  (Tom Lane <tgl@sss.pgh.pa.us>)
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> -----Original Message-----
> From: Jan Wieck
> Sent: Thursday, July 06, 2000 1:18 AM
> To: pgsql-committers@postgresql.org
> Subject: [COMMITTERS] pgsql/src/backend/commands (command.c vacuum.c)
>
>
>   Date: Wednesday, July  5, 2000 @ 12:17:41
> Author: wieck
>
> Update of /home/projects/pgsql/cvsroot/pgsql/src/backend/commands
>      from hub.org:/tmp/cvs-serv21402/backend/commands
>
> Modified Files:
>     command.c vacuum.c
>
> -----------------------------  Log Message  -----------------------------
>
> Changed TOAST relations to have relkind RELKIND_TOASTVALUE.
>
> Special handling of TOAST relations during VACUUM. TOAST relations
> are vacuumed while the lock on the master table is still active.
>

It seems very dangerous to me.
When VACUUM of a master table was finished, the transaction is
in already committed state in many cases.

Regards.
Hiroshi Inoue

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