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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2001-07-09 22:18:34 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2001-07-09 22:18:34 +0000 |
| commit | 4fe42dfbc3bafa0ea615239d716a6b37d67da253 (patch) | |
| tree | 38dae72295452dbaf3353007a5c663100fd4cb06 /src/include/storage/lmgr.h | |
| parent | 8902f49abb37f16582593f3533bda62fb65beec1 (diff) | |
| download | postgresql-4fe42dfbc3bafa0ea615239d716a6b37d67da253.tar.gz | |
Add SHARE UPDATE EXCLUSIVE lock mode, coming soon to a VACUUM near you.
Name chosen per pghackers discussion around 6/22/01.
Diffstat (limited to 'src/include/storage/lmgr.h')
| -rw-r--r-- | src/include/storage/lmgr.h | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/src/include/storage/lmgr.h b/src/include/storage/lmgr.h index c279ef63f2..1fb490e6d6 100644 --- a/src/include/storage/lmgr.h +++ b/src/include/storage/lmgr.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $Id: lmgr.h,v 1.31 2001/06/22 00:04:59 tgl Exp $ + * $Id: lmgr.h,v 1.32 2001/07/09 22:18:34 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -25,13 +25,14 @@ #define AccessShareLock 1 /* SELECT */ #define RowShareLock 2 /* SELECT FOR UPDATE */ #define RowExclusiveLock 3 /* INSERT, UPDATE, DELETE */ -#define ShareLock 4 /* CREATE INDEX */ -#define ShareRowExclusiveLock 5 /* like EXCLUSIVE MODE, allows - * SHARE ROW */ -#define ExclusiveLock 6 /* blocks ROW SHARE/SELECT...FOR +#define ShareUpdateExclusiveLock 4 /* VACUUM (non-FULL) */ +#define ShareLock 5 /* CREATE INDEX */ +#define ShareRowExclusiveLock 6 /* like EXCLUSIVE MODE, but allows + * ROW SHARE */ +#define ExclusiveLock 7 /* blocks ROW SHARE/SELECT...FOR * UPDATE */ -#define AccessExclusiveLock 7 /* ALTER TABLE, DROP TABLE, - * VACUUM, and unqualified LOCK +#define AccessExclusiveLock 8 /* ALTER TABLE, DROP TABLE, + * VACUUM FULL, and unqualified LOCK * TABLE */ /* |