Fix assorted carelessness about Datum vs. int64 vs. uint64

Robert Haas <rhaas@postgresql.org>

Commit: 7b69b6ceb8047979ddf82af12ec1de143da62263
Author: Robert Haas <rhaas@postgresql.org>
Date: 2017-09-01T04:14:54Z
Releases: 11.0
Fix assorted carelessness about Datum vs. int64 vs. uint64

Bugs introduced by commit 81c5e46c490e2426db243eada186995da5bb0ba7

Files