Fix some regression tests for d3d55ce57136

Alexander Korotkov <akorotkov@postgresql.org>

Commit: 9ba9c7074fa76787530ac0d50313e317ac7032b9
Author: Alexander Korotkov <akorotkov@postgresql.org>
Date: 2023-10-25T11:53:14Z
Releases: 17.0
Fix some regression tests for d3d55ce57136

Add missing (cost off) to explain.

Files

PathChange+/−
src/test/regress/expected/join.out modified +18 −15
src/test/regress/sql/join.sql modified +6 −3