greenplumn appendonly_compaction 源码
greenplumn appendonly_compaction 代码
文件路径：/src/include/access/appendonly_compaction.h
/*------------------------------------------------------------------------------
*
* appendonly_compaction
*
* Copyright (c) 2013-Present VMware, Inc. or its affiliates.
*
*
* IDENTIFICATION
* src/include/access/appendonly_compaction.h
*
*------------------------------------------------------------------------------
*/
#ifndef APPENDONLY_COMPACTION_H
#define APPENDONLY_COMPACTION_H
#include "nodes/pg_list.h"
#include "access/appendonly_visimap.h"
#include "utils/rel.h"
#include "access/memtup.h"
#include "executor/tuptable.h"
#define APPENDONLY_COMPACTION_SEGNO_INVALID (-1)
extern Bitmapset *AppendOptimizedCollectDeadSegments(Relation aorel);
extern void AppendOptimizedDropDeadSegments(Relation aorel, Bitmapset *segnos);
extern void AppendOnlyCompact(Relation aorel,
int compaction_segno,
int *insert_segno,
bool isFull,
List *avoid_segnos);
extern bool AppendOnlyCompaction_ShouldCompact(
Relation aoRelation,
int segno,
int64 segmentTotalTupcount,
bool isFull,
Snapshot appendOnlyMetaDataSnapshot);
extern void AppendOnlyThrowAwayTuple(Relation rel, TupleTableSlot *slot, MemTupleBinding *mt_bind);
extern void AppendOptimizedTruncateToEOF(Relation aorel);
#endif
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greenplumn appendonly_visimap 源码
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