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Reduce size of critial section during vacuum full, critical

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sections now isn't nested. All user-defined functions now is
called outside critsections. Small improvements in WAL
protocol.

TODO: improve XLOG replay
This commit is contained in:
Teodor Sigaev
2006-05-17 16:34:59 +00:00
parent 815f58407c
commit 8876e37d07
5 changed files with 411 additions and 254 deletions
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18
src/include/access/gist_private.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/access/gist_private.h,v 1.13 2006/05/10 09:19:54 teodor Exp $
* $PostgreSQL: pgsql/src/include/access/gist_private.h,v 1.14 2006/05/17 16:34:59 teodor Exp $
*
*-------------------------------------------------------------------------
*/
@ -85,20 +85,21 @@ extern const XLogRecPtr XLogRecPtrForTemp;
#define XLOG_GIST_PAGE_SPLIT 0x30
#define XLOG_GIST_INSERT_COMPLETE 0x40
#define XLOG_GIST_CREATE_INDEX 0x50
#define XLOG_GIST_PAGE_DELETE 0x60
typedef struct gistxlogPageUpdate
{
RelFileNode node;
BlockNumber blkno;
uint16 ntodelete;
bool isemptypage;
/*
* It used to identify completeness of insert. Sets to leaf itup
*/
ItemPointerData key;
/* number of deleted offsets */
uint16 ntodelete;
/*
* follow: 1. todelete OffsetNumbers 2. tuples to insert
*/
@ -131,6 +132,11 @@ typedef struct gistxlogInsertComplete
/* follows ItemPointerData key to clean */
} gistxlogInsertComplete;
typedef struct gistxlogPageDelete
{
RelFileNode node;
BlockNumber blkno;
} gistxlogPageDelete;
/* SplitedPageLayout - gistSplit function result */
typedef struct SplitedPageLayout
@ -249,7 +255,7 @@ extern void gist_xlog_cleanup(void);
extern IndexTuple gist_form_invalid_tuple(BlockNumber blkno);
extern XLogRecData *formUpdateRdata(RelFileNode node, Buffer buffer,
OffsetNumber *todelete, int ntodelete, bool emptypage,
OffsetNumber *todelete, int ntodelete,
IndexTuple *itup, int ituplen, ItemPointer key);
extern XLogRecData *formSplitRdata(RelFileNode node,
@ -273,7 +279,7 @@ extern void gistcheckpage(Relation rel, Buffer buf);
extern Buffer gistNewBuffer(Relation r);
extern OffsetNumber gistfillbuffer(Relation r, Page page, IndexTuple *itup,
int len, OffsetNumber off);
extern IndexTuple *gistextractbuffer(Buffer buffer, int *len /* out */ );
extern IndexTuple *gistextractpage(Page page, int *len /* out */ );
extern IndexTuple *gistjoinvector(
IndexTuple *itvec, int *len,
IndexTuple *additvec, int addlen);