Don't enter parallel mode when holding interrupts.
Doing so caused the leader to hang in wait_event=ParallelFinish, which
required an immediate shutdown to resolve. Back-patch to v12 (all
supported versions).
Francesco Degrassi
Discussion: https://postgr.es/m/CAC-SaSzHUKT=vZJ8MPxYdC_URPfax+yoA1hKTcF4ROz_Q6z0_Q@mail.gmail.com
Branch
------
REL_15_STABLE
Details
-------
https://git.postgresql.org/pg/commitdiff/884860bfc0286ca35f7c097c2511bad90f4ede07
Modified Files
--------------
src/backend/optimizer/plan/planner.c | 6 ++++++
src/test/regress/expected/select_parallel.out | 24 +++++++++++++++++++++
src/test/regress/sql/select_parallel.sql | 31 +++++++++++++++++++++++++++
3 files changed, 61 insertions(+)
