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Simon Riggs e5550d5fec 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
2014-04-06 11:13:43 -04:00
..
2013-06-14 14:41:28 -04:00
2008-08-21 20:15:31 +00:00