On 1 July 2016 at 15:04, Robert Haas <[email protected]> wrote:

> Fix crash bug in RestoreSnapshot.
>
> If serialized_snapshot->subxcnt > 0 and serialized_snapshot->xcnt == 0,
> the old coding would do the wrong thing and crash.  This can happen
> on standby servers.
>
> Report by Andreas Seltenreich.  Patch by Thomas Munro, reviewed by
> Amit Kapila and tested by Andreas Seltenreich.
>
> Branch
> ------
> REL9_5_STABLE
>

"This can happen on standby servers"

The commit message doesn't mention, but it applies only to parallel query?

Why then is this backpatched to 9.5?

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