Thread: pgsql: Force parallelism in partition_aggregate
Force parallelism in partition_aggregate Commit db0d67db2 tweaked sort costing, which however resulted in a couple plan changes in our regression tests. Most of the new plans were fine, but partition_aggregate were meant to test parallel plans and the new plans were serial. Fix that by lowering parallel_setup_cost to 0, which is enough to switch to the parallel plan again. Report and patch by David Rowley. Author: David Rowley Reviewed-by: Tomas Vondra Discussion: https://postgr.es/m/CAApHDvpVFgWzXdtUQkjyOPhNrNvumRi_=ftgS79KeAZ92tnHKQ@mail.gmail.com Branch ------ REL_15_STABLE Details ------- https://git.postgresql.org/pg/commitdiff/01474f56981a4b27fe5e304a61b0fce2ac025c69 Modified Files -------------- src/test/regress/expected/partition_aggregate.out | 114 ++++++++++++---------- src/test/regress/sql/partition_aggregate.sql | 3 + 2 files changed, 63 insertions(+), 54 deletions(-)