Jan Wieck <janwieck@yahoo.com> writes:
> Originally I added SnapshotAny only to solve the problem that
> the lookup of the toast table happens independant from the
> access to the main tuple, and that in fact the main tuple
> could have been deleted by the own transaction in between.
> Would changing SnapshotAny to honor HEAP_MOVED_* fix the
> problem? If nothing else by now uses this snapshot, it could
> be done in place.
What I've done is add an additional snapshot class SnapshotToast
that behaves that way. There are a couple other uses of SnapshotAny
that I didn't think I wanted to mess with.
regards, tom lane