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_q6z...@mail.gmail.com Branch ------ REL_12_STABLE Details ------- https://git.postgresql.org/pg/commitdiff/507b72bd9f7de95a224ae5af8797f42bfce1ed9c 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(+)
