Reduce lock levels for ALTER TABLE SET autovacuum storage options Reduce lock levels down to ShareUpdateExclusiveLock for all autovacuum-related relation options when setting them using ALTER TABLE.
Add infrastructure to allow varying lock levels for relation options in later patches. Setting multiple options together uses the highest lock level required for any option. Works for both main and toast tables. FabrÃzio Mello, reviewed by Michael Paquier, mild edit and additional regression tests from myself Branch ------ master Details ------- http://git.postgresql.org/pg/commitdiff/47167b7907a802ed39b179c8780b76359468f076 Modified Files -------------- doc/src/sgml/ref/alter_table.sgml | 4 + src/backend/access/common/reloptions.c | 144 +++++++++++++++++++++++------ src/backend/commands/tablecmds.c | 6 +- src/include/access/reloptions.h | 3 + src/test/regress/expected/alter_table.out | 67 ++++++++++++-- src/test/regress/sql/alter_table.sql | 38 ++++++++ 6 files changed, 219 insertions(+), 43 deletions(-) -- Sent via pgsql-committers mailing list (pgsql-committers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-committers
