Re: BUG #10675: alter database set tablespace and unlogged table

On 2014-06-18 15:33:58 +0530, Pavan Deolasee wrote:
> On Wed, Jun 18, 2014 at 12:31 PM, Pavan Deolasee <pavan.deolasee@gmail.com>
> wrote:
>
> >
> >  Attached patch fixes this for the HEAD. But this needs to be fixed all
> >> the way to 9.1 when unlogged tables were first introduced.
> >>
> >
> >
> I'd forgotten to update the comment in the code. Fixed in the attached
> version.
>
> Thanks,
> Pavan
>
> --
> Pavan Deolasee
> http://www.linkedin.com/in/pavandeolasee

> diff --git a/src/backend/storage/buffer/bufmgr.c b/src/backend/storage/buffer/bufmgr.c
> index c070278..e0b9aff 100644
> --- a/src/backend/storage/buffer/bufmgr.c
> +++ b/src/backend/storage/buffer/bufmgr.c
> @@ -1221,11 +1221,12 @@ BufferSync(int flags)
>      ResourceOwnerEnlargeBuffers(CurrentResourceOwner);
>
>      /*
> -     * Unless this is a shutdown checkpoint, we write only permanent, dirty
> -     * buffers.  But at shutdown or end of recovery, we write all dirty
> -     * buffers.
> +     * If a force checkpoint or at shutdown or end of recovery, we write all
> +     * dirty buffers, otherwise we only write permanent buffers
>       */
> -    if (!((flags & CHECKPOINT_IS_SHUTDOWN) || (flags & CHECKPOINT_END_OF_RECOVERY)))
> +    if (!((flags & CHECKPOINT_IS_SHUTDOWN) ||
> +          (flags & CHECKPOINT_END_OF_RECOVERY) ||
> +          (flags & CHECKPOINT_FORCE)))
>          mask |= BM_PERMANENT;

Won't that significantly regress manually issued CHECKPOINT;s?

Greetings,

Andres Freund

--
 Andres Freund                       http://www.2ndQuadrant.com/
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