Eng 2779 in list spike

Small amount of rework to bring ee in line with planner naming.
Lots of test changes, including related and semi-related index test changes:
 -- use of in-ddl (vs. in-test-setup) partitioning to enable a new plannertester index suite.
 -- renaming of a replicated table from P-something to R-something just because
 -- use of a table alias in place of %s in adhoc query strings to make them easier to copy/paste/mutate.