Allow aggregate transition states to be serialized and deserialized. This is necessary infrastructure for supporting parallel aggregation for aggregates whose transition type is "internal". Such values can't be passed between cooperating processes, because they are just pointers.
David Rowley, reviewed by Tomas Vondra and by me. Branch ------ master Details ------- http://git.postgresql.org/pg/commitdiff/5fe5a2cee91117673e04617aeb1a38e305dcd783 Modified Files -------------- doc/src/sgml/catalogs.sgml | 18 ++ doc/src/sgml/ref/create_aggregate.sgml | 50 +++++ src/backend/catalog/pg_aggregate.c | 80 +++++++- src/backend/commands/aggregatecmds.c | 82 +++++++++ src/backend/executor/nodeAgg.c | 273 +++++++++++++++++++++++++-- src/backend/nodes/copyfuncs.c | 1 + src/backend/nodes/outfuncs.c | 1 + src/backend/nodes/readfuncs.c | 1 + src/backend/optimizer/plan/createplan.c | 7 +- src/backend/optimizer/plan/planner.c | 17 +- src/backend/optimizer/plan/setrefs.c | 8 +- src/backend/optimizer/prep/prepunion.c | 3 +- src/backend/optimizer/util/clauses.c | 12 +- src/backend/optimizer/util/pathnode.c | 4 +- src/backend/optimizer/util/tlist.c | 11 +- src/backend/parser/parse_agg.c | 39 ++++ src/bin/pg_dump/pg_dump.c | 50 ++++- src/include/catalog/catversion.h | 2 +- src/include/catalog/pg_aggregate.h | 314 +++++++++++++++++--------------- src/include/nodes/execnodes.h | 1 + src/include/nodes/plannodes.h | 1 + src/include/nodes/relation.h | 1 + src/include/optimizer/pathnode.h | 3 +- src/include/optimizer/planmain.h | 2 +- src/include/parser/parse_agg.h | 6 + 25 files changed, 794 insertions(+), 193 deletions(-) -- Sent via pgsql-committers mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-committers
