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Initial MVCC code.

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New code for locking buffer' context.
This commit is contained in:
Vadim B. Mikheev
1998-12-15 12:47:01 +00:00
parent c5a27161a1
commit 3f7fbf85dc
65 changed files with 1391 additions and 1282 deletions
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16
src/include/access/heapam.h
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@@ -6,7 +6,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: heapam.h,v 1.39 1998/11/27 19:33:31 vadim Exp $
* $Id: heapam.h,v 1.40 1998/12/15 12:46:44 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@@ -42,6 +42,7 @@ typedef struct HeapAccessStatisticsData
int global_insert;
int global_delete;
int global_replace;
int global_mark4update;
int global_markpos;
int global_restrpos;
int global_BufferGetRelation;
@@ -64,6 +65,7 @@ typedef struct HeapAccessStatisticsData
int local_insert;
int local_delete;
int local_replace;
int local_mark4update;
int local_markpos;
int local_restrpos;
int local_BufferGetRelation;
@@ -253,9 +255,10 @@ extern void heap_endscan(HeapScanDesc scan);
extern HeapTuple heap_getnext(HeapScanDesc scandesc, int backw);
extern void heap_fetch(Relation relation, Snapshot snapshot, HeapTuple tup, Buffer *userbuf);
extern Oid heap_insert(Relation relation, HeapTuple tup);
extern int heap_delete(Relation relation, ItemPointer tid);
extern int heap_replace(Relation relation, ItemPointer otid,
HeapTuple tup);
extern int heap_delete(Relation relation, ItemPointer tid, ItemPointer ctid);
extern int heap_replace(Relation relation, ItemPointer otid, HeapTuple tup,
ItemPointer ctid);
extern int heap_mark4update(Relation relation, HeapTuple tup, Buffer *userbuf);
extern void heap_markpos(HeapScanDesc scan);
extern void heap_restrpos(HeapScanDesc scan);
@@ -281,9 +284,4 @@ HeapTuple heap_addheader(uint32 natts, int structlen, char *structure);
extern void PrintHeapAccessStatistics(HeapAccessStatistics stats);
extern void initam(void);
/* hio.c */
extern void RelationPutHeapTuple(Relation relation, BlockNumber blockIndex,
HeapTuple tuple);
extern void RelationPutHeapTupleAtEnd(Relation relation, HeapTuple tuple);
#endif /* HEAPAM_H */