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Reduce lock levels of some ALTER TABLE cmds

author Simon Riggs <simon@2ndQuadrant.com>

Sun, 6 Apr 2014 15:13:43 +0000 (11:13 -0400)

committer Simon Riggs <simon@2ndQuadrant.com>

Sun, 6 Apr 2014 15:13:43 +0000 (11:13 -0400)

commit e5550d5fec66aa74caad1f79b79826ec64898688

tree 046444c974bf3aa9833545c0b9bbc183c37dbfa1 tree

parent 80a5cf643adb496abe577a1ca6dc0c476d849c19 commit | diff

Reduce lock levels of some ALTER TABLE cmds

VALIDATE CONSTRAINT

CLUSTER ON
SET WITHOUT CLUSTER

ALTER COLUMN SET STATISTICS
ALTER COLUMN SET ()
ALTER COLUMN RESET ()

All other sub-commands use AccessExclusiveLock

Simon Riggs and Noah Misch

Reviews by Robert Haas and Andres Freund

13 files changed:

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

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

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

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

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

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

src/backend/tcop/utility.c diff | blob | blame | history

src/backend/utils/adt/ruleutils.c diff | blob | blame | history

src/backend/utils/cache/relcache.c diff | blob | blame | history

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

src/test/isolation/isolation_schedule diff | blob | blame | history

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

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

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