Revert "Fix accumulation of parallel worker instrumentation."
This reverts commit 778e78ae9fa51e58f41cbdc72b293291d02d8984. Per
further discussion, that doesn't seem to be the best possible fix.
Discussion: http://postgr.es/m/CAA4eK1LW2aFKzY3=vwvc=t-juzPPVWP2uT1bpx_MeyEqnM+p8g@mail.gmail.com
Branch
------
REL_10_STABLE
Details
-------
https://git.postgresql.org/pg/commitdiff/7b3f85073c8dd470e01583b20269e7c87898b6f7
Modified Files
--------------
src/backend/executor/execParallel.c | 51 +++++++--------------------
src/test/regress/expected/select_parallel.out | 21 -----------
src/test/regress/sql/select_parallel.sql | 7 ----
3 files changed, 13 insertions(+), 66 deletions(-)