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Commit7b78474

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Make CLUSTER MVCC-safe. Heikki Linnakangas
1 parent2fca2c0 commit7b78474

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10 files changed

+894
-97
lines changed

10 files changed

+894
-97
lines changed

‎src/backend/access/heap/Makefile

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -4,15 +4,15 @@
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# Makefile for access/heap
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#
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# IDENTIFICATION
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# $PostgreSQL: pgsql/src/backend/access/heap/Makefile,v 1.14 2007/01/20 17:16:10 petere Exp $
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# $PostgreSQL: pgsql/src/backend/access/heap/Makefile,v 1.15 2007/04/08 01:26:27 tgl Exp $
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#
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#-------------------------------------------------------------------------
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subdir = src/backend/access/heap
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top_builddir = ../../../..
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include$(top_builddir)/src/Makefile.global
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15-
OBJS = heapam.o hio.o tuptoaster.o
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OBJS = heapam.o hio.orewriteheap.otuptoaster.o
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all: SUBSYS.o
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‎src/backend/access/heap/heapam.c

Lines changed: 46 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -8,7 +8,7 @@
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*
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/access/heap/heapam.c,v 1.231 2007/04/03 04:14:26 tgl Exp $
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* $PostgreSQL: pgsql/src/backend/access/heap/heapam.c,v 1.232 2007/04/08 01:26:27 tgl Exp $
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*
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*
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* INTERFACE ROUTINES
@@ -3299,6 +3299,51 @@ log_heap_move(Relation reln, Buffer oldbuf, ItemPointerData from,
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returnlog_heap_update(reln,oldbuf,from,newbuf,newtup, true);
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}
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/*
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* Perform XLogInsert of a HEAP_NEWPAGE record to WAL. Caller is responsible
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* for writing the page to disk after calling this routine.
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*
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* Note: all current callers build pages in private memory and write them
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* directly to smgr, rather than using bufmgr. Therefore there is no need
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* to pass a buffer ID to XLogInsert, nor to perform MarkBufferDirty within
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* the critical section.
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*
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* Note: the NEWPAGE log record is used for both heaps and indexes, so do
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* not do anything that assumes we are touching a heap.
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*/
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XLogRecPtr
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log_newpage(RelFileNode*rnode,BlockNumberblkno,Pagepage)
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{
3317+
xl_heap_newpagexlrec;
3318+
XLogRecPtrrecptr;
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XLogRecDatardata[2];
3320+
3321+
/* NO ELOG(ERROR) from here till newpage op is logged */
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START_CRIT_SECTION();
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3324+
xlrec.node=*rnode;
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xlrec.blkno=blkno;
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3327+
rdata[0].data= (char*)&xlrec;
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rdata[0].len=SizeOfHeapNewpage;
3329+
rdata[0].buffer=InvalidBuffer;
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rdata[0].next=&(rdata[1]);
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3332+
rdata[1].data= (char*)page;
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rdata[1].len=BLCKSZ;
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rdata[1].buffer=InvalidBuffer;
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rdata[1].next=NULL;
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3337+
recptr=XLogInsert(RM_HEAP_ID,XLOG_HEAP_NEWPAGE,rdata);
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3339+
PageSetLSN(page,recptr);
3340+
PageSetTLI(page,ThisTimeLineID);
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3342+
END_CRIT_SECTION();
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3344+
returnrecptr;
3345+
}
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33023347
staticvoid
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heap_xlog_clean(XLogRecPtrlsn,XLogRecord*record)
33043349
{

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