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Allow DML commands that create tables to use parallel query.

author Robert Haas <rhaas@postgresql.org>

Thu, 5 Oct 2017 15:34:38 +0000 (11:34 -0400)

committer Robert Haas <rhaas@postgresql.org>

Thu, 5 Oct 2017 15:40:48 +0000 (11:40 -0400)

commit e9baa5e9fa147e00a2466ab2c40eb99c8a700824

tree 1cc453bdc454dedc105339b97a4b3a98389bd2a1 tree

parent 4d85c2900b113e331925baf308cc7fc75ac4530b commit | diff

Allow DML commands that create tables to use parallel query.

Haribabu Kommi, reviewed by Dilip Kumar and Rafia Sabih. Various
cosmetic changes by me to explain why this appears to be safe but
allowing inserts in parallel mode in general wouldn't be. Also, I
removed the REFRESH MATERIALIZED VIEW case from Haribabu's patch,
since I'm not convinced that case is OK, and hacked on the
documentation somewhat.

Discussion: http://postgr.es/m/CAJrrPGdo5bak6qnPWe8Kpi8g_jfQEs-G4SYmG9y+OFaw2-dPvA@mail.gmail.com

doc/src/sgml/parallel.sgml diff | blob | blame | history

src/backend/access/heap/heapam.c diff | blob | blame | history

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

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

src/backend/executor/execMain.c diff | blob | blame | history

src/backend/optimizer/plan/planner.c diff | blob | blame | history

src/test/regress/expected/write_parallel.out [new file with mode: 0644] blob

src/test/regress/parallel_schedule diff | blob | blame | history

src/test/regress/serial_schedule diff | blob | blame | history

src/test/regress/sql/write_parallel.sql [new file with mode: 0644] blob

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