Fix some ill-chosen names for globally-visible partition support functions.

Tom Lane <tgl@sss.pgh.pa.us>

Commit: 19832753f1bb052c5fe10328939b670507df7a93
Author: Tom Lane <tgl@sss.pgh.pa.us>
Date: 2018-06-13T17:18:02Z
Releases: 11.0
Fix some ill-chosen names for globally-visible partition support functions.

"compute_hash_value" is particularly gratuitously generic, but IMO
all of these ought to have names clearly related to partitioning.

Files