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Make CLUSTER MVCC-safe. Heikki Linnakangas

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This commit is contained in:
Tom Lane
2007-04-08 01:26:33 +00:00
parent 2fca2c05e7
commit 7b78474da3
10 changed files with 894 additions and 97 deletions
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30
src/backend/access/nbtree/nbtsort.c
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@@ -57,13 +57,14 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/access/nbtree/nbtsort.c,v 1.110 2007/01/09 02:14:10 tgl Exp $
* $PostgreSQL: pgsql/src/backend/access/nbtree/nbtsort.c,v 1.111 2007/04/08 01:26:27 tgl Exp $
*
*-------------------------------------------------------------------------
*/
#include "postgres.h"
#include "access/heapam.h"
#include "access/nbtree.h"
#include "miscadmin.h"
#include "storage/smgr.h"
@@ -265,32 +266,7 @@ _bt_blwritepage(BTWriteState *wstate, Page page, BlockNumber blkno)
if (wstate->btws_use_wal)
{
/* We use the heap NEWPAGE record type for this */
xl_heap_newpage xlrec;
XLogRecPtr recptr;
XLogRecData rdata[2];
/* NO ELOG(ERROR) from here till newpage op is logged */
START_CRIT_SECTION();
xlrec.node = wstate->index->rd_node;
xlrec.blkno = blkno;
rdata[0].data = (char *) &xlrec;
rdata[0].len = SizeOfHeapNewpage;
rdata[0].buffer = InvalidBuffer;
rdata[0].next = &(rdata[1]);
rdata[1].data = (char *) page;
rdata[1].len = BLCKSZ;
rdata[1].buffer = InvalidBuffer;
rdata[1].next = NULL;
recptr = XLogInsert(RM_HEAP_ID, XLOG_HEAP_NEWPAGE, rdata);
PageSetLSN(page, recptr);
PageSetTLI(page, ThisTimeLineID);
END_CRIT_SECTION();
log_newpage(&wstate->index->rd_node, blkno, page);
}
else
{