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Fix parallel-safety code for parallel aggregation.

author Robert Haas <rhaas@postgresql.org>

Tue, 5 Apr 2016 20:06:15 +0000 (16:06 -0400)

committer Robert Haas <rhaas@postgresql.org>

Tue, 5 Apr 2016 20:06:15 +0000 (16:06 -0400)

commit 41ea0c23761ca108e2f08f6e3151e3cb1f9652a1

tree 7872e32b41314042e081bb8435379e55d5148cff tree

parent 09adc9a8c09c9640de05c7023b27fb83c761e91c commit | diff

Fix parallel-safety code for parallel aggregation.

has_parallel_hazard() was ignoring the proparallel markings for
aggregates, which is no good. Fix that. There was no way to mark
an aggregate as actually being parallel-safe, either, so add a
PARALLEL option to CREATE AGGREGATE.

Patch by me, reviewed by David Rowley.

doc/src/sgml/ref/create_aggregate.sgml diff | blob | blame | history

src/backend/catalog/pg_aggregate.c diff | blob | blame | history

src/backend/commands/aggregatecmds.c diff | blob | blame | history

src/backend/commands/functioncmds.c diff | blob | blame | history

src/backend/optimizer/util/clauses.c diff | blob | blame | history

src/include/catalog/pg_aggregate.h diff | blob | blame | history

src/test/regress/expected/create_aggregate.out diff | blob | blame | history

src/test/regress/sql/create_aggregate.sql diff | blob | blame | history

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