Re: Parallel scan with SubTransGetTopmostTransaction assert coredump - Mailing list pgsql-hackers

From Greg Nancarrow
Subject Re: Parallel scan with SubTransGetTopmostTransaction assert coredump
Date
Msg-id CAJcOf-ewwa_X0RQLcDGR3JPuwLcnORTm0Q0vUu8jFfGbRBG7PA@mail.gmail.com
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In response to Re: Parallel scan with SubTransGetTopmostTransaction assert coredump  (Robert Haas <robertmhaas@gmail.com>)
Responses Re: Parallel scan with SubTransGetTopmostTransaction assert coredump  (Robert Haas <robertmhaas@gmail.com>)
List pgsql-hackers
On Wed, Aug 25, 2021 at 1:37 AM Robert Haas <robertmhaas@gmail.com> wrote:
>
> I guess I was thinking more of rejiggering things so that we save the
> results of each RestoreSnapshot() call in a local variable, e.g.
> asnapshot and tsnapshot. And then I think we could just
> RestoreTransactionSnapshot() on whichever one we want, and then
> PushActiveSnapshot(asnapshot) either way. I think it would be worth
> trying to move the PushActiveSnapshot() call out of the if statement
> instead it in two places, written differently but doing the same
> thing.
>

I've attached an updated patch, hopefully more along the lines that
you were thinking of.

Regards,
Greg Nancarrow
Fujitsu Australia

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