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Implement LockBufferForCleanup(), which will allow concurrent VACUUM

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to wait until it's safe to remove tuples and compact free space in a
shared buffer page.  Miscellaneous small code cleanups in bufmgr, too.
This commit is contained in:
Tom Lane
2001-07-06 21:04:26 +00:00
parent 1e9e5defc2
commit 55432fedd2
11 changed files with 418 additions and 254 deletions
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4
src/backend/access/transam/xact.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/transam/xact.c,v 1.104 2001/06/22 19:16:21 wieck Exp $
* $Header: /cvsroot/pgsql/src/backend/access/transam/xact.c,v 1.105 2001/07/06 21:04:25 tgl Exp $
*
* NOTES
* Transaction aborts can now occur two ways:
@ -653,7 +653,7 @@ void
RecordTransactionCommit()
{
TransactionId xid;
int leak;
bool leak;
xid = GetCurrentTransactionId();