Determine grouping strategies in create_grouping_paths. Partition-wise aggregate will call create_ordinary_grouping_paths multiple times and we don't want to redo this work every time; have the caller do it instead and pass the details down.
Patch by me, reviewed by Ashutosh Bapat. Discussion: http://postgr.es/m/ca+tgmoy7vyyn9a7yhj1njl6zj6bkhmt4k-un9lrmxkyqrzy...@mail.gmail.com Branch ------ master Details ------- https://git.postgresql.org/pg/commitdiff/b5996c2791f36a79332e3cb7130e9125a0372730 Modified Files -------------- src/backend/optimizer/plan/planner.c | 142 ++++++++++++++++++++--------------- 1 file changed, 82 insertions(+), 60 deletions(-)
