HashAgg: use Bump allocator for hash TupleHashTable entries. The entries aren't freed until the entire hash table is destroyed, so use the Bump allocator to improve allocation speed, avoid wasting space on the chunk header, and avoid wasting space due to the power-of-two allocations.
Discussion: https://postgr.es/m/caaphdvqv1anb4cm36fzrwivxrevbo_lsg_eq3nqdxtjecaa...@mail.gmail.com Reviewed-by: David Rowley Branch ------ master Details ------- https://git.postgresql.org/pg/commitdiff/cc721c459d3783bbdb4beb1bbfa802a5328d15a2 Modified Files -------------- src/backend/executor/execUtils.c | 17 +++--- src/backend/executor/nodeAgg.c | 111 ++++++++++++++++++++++++++++++++------- src/include/nodes/execnodes.h | 5 +- 3 files changed, 104 insertions(+), 29 deletions(-)
