Re: BUG #5989: Assertion failure on UPDATE of big value

Heikki Linnakangas <heikki.linnakangas@enterprisedb.com> writes:
> The immediate fix is trivial:

> --- a/src/backend/access/heap/heapam.c
> +++ b/src/backend/access/heap/heapam.c
> @@ -2859,7 +2859,7 @@ l2:
>           * Any existing SIREAD locks on the old tuple must be linked to
> the new
>           * tuple for conflict detection purposes.
>           */
> -       PredicateLockTupleRowVersionLink(relation, &oldtup, newtup);
> +       PredicateLockTupleRowVersionLink(relation, &oldtup, heaptup);

Egad.  If that's it, my confidence in the amount of testing SSI has
gotten has just dropped dramatically.

            regards, tom lane