Add a 'parallel_degree' reloption. The code that estimates what parallel degree should be uesd for the scan of a relation is currently rather stupid, so add a parallel_degree reloption that can be used to override the planner's rather limited judgement.
Julien Rouhaud, reviewed by David Rowley, James Sewell, Amit Kapila, and me. Some further hacking by me. Branch ------ master Details ------- http://git.postgresql.org/pg/commitdiff/25fe8b5f1ac93c3ec01519854e4f554b2e57a926 Modified Files -------------- doc/src/sgml/ref/create_table.sgml | 13 +++++++ src/backend/access/common/reloptions.c | 17 +++++++-- src/backend/optimizer/path/allpaths.c | 64 +++++++++++++++++++++++----------- src/backend/optimizer/util/plancat.c | 3 ++ src/backend/optimizer/util/relnode.c | 1 + src/bin/psql/tab-complete.c | 1 + src/include/nodes/relation.h | 1 + src/include/utils/rel.h | 9 +++++ 8 files changed, 86 insertions(+), 23 deletions(-) -- Sent via pgsql-committers mailing list (pgsql-committers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-committers
