Re: [Proposal] Fully WAL logged CREATE DATABASE - No Checkpoints

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Dilip Kumar <dilipbalaut(at)gmail(dot)com>
Cc: Ashutosh Sharma <ashu(dot)coek88(at)gmail(dot)com>, Maciek Sakrejda <m(dot)sakrejda(at)gmail(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, Andrew Dunstan <andrew(at)dunslane(dot)net>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: [Proposal] Fully WAL logged CREATE DATABASE - No Checkpoints
Date: 2022-03-14 16:55:02
Message-ID: CA+TgmoaiONgXDitmfXkSnpxfWrCyUQsQkaL1u6f937GT4BtOsA@mail.gmail.com
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On Mon, Mar 14, 2022 at 12:44 PM Dilip Kumar <dilipbalaut(at)gmail(dot)com> wrote:
> On Mon, Mar 14, 2022 at 10:04 PM Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
> > Regarding 0004, I can't really see a reason for this function to take
> > a LockRelId as a parameter rather than two separate OIDs. I also can't
> > entirely see why it should be called LockRelationId. Maybe
> > LockRelationInDatabaseById(Oid dbid, Oid relid, LOCKMODE lockmode)?
> > Note that neither caller actually has a LockRelId available; both have
> > to construct one.
>
> Actually we already have an existing function
> UnlockRelationId(LockRelId *relid, LOCKMODE lockmode) so it makes more
> sense to have a parallel lock function. Do you still think we should
> change?

Oh! OK, well, then what you did makes sense, for consistency. Didn't
realize that.

--
Robert Haas
EDB: http://www.enterprisedb.com

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