Handle logical decoding in multi-insert for catalog tuples
The code path for multi-insert decoding is not stressed yet for
catalogs (a future patch may introduce this capability), so no
back-patch is needed.
Author: Daniel Gustafsson
Discussion: https://postgr.es/m/
9690D72F-5C4F-4016-9572-
6D16684E1D87@yesql.se