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Add SHARE UPDATE EXCLUSIVE lock mode, coming soon to a VACUUM near you.

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Name chosen per pghackers discussion around 6/22/01.
This commit is contained in:
Tom Lane
2001-07-09 22:18:34 +00:00
parent 8902f49abb
commit 4fe42dfbc3
8 changed files with 143 additions and 80 deletions
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3
src/backend/storage/lmgr/lock.c
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/storage/lmgr/lock.c,v 1.90 2001/06/27 23:31:39 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/storage/lmgr/lock.c,v 1.91 2001/07/09 22:18:33 tgl Exp $
*
* NOTES
* Outside modules can create a lock table and acquire/release
@@ -58,6 +58,7 @@ static char *lock_mode_names[] =
"AccessShareLock",
"RowShareLock",
"RowExclusiveLock",
"ShareUpdateExclusiveLock",
"ShareLock",
"ShareRowExclusiveLock",
"ExclusiveLock",