src/include/access/xlogutils.h


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32

/*
 * xlogutils.h
 *
 * PostgreSQL transaction log manager utility routines
 *
 * Portions Copyright (c) 1996-2014, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/access/xlogutils.h
 */
#ifndef XLOG_UTILS_H
#define XLOG_UTILS_H

#include "storage/bufmgr.h"


extern bool XLogHaveInvalidPages(void);
extern void XLogCheckInvalidPages(void);

extern void XLogDropRelation(RelFileNode rnode, ForkNumber forknum);
extern void XLogDropDatabase(Oid dbid);
extern void XLogTruncateRelation(RelFileNode rnode, ForkNumber forkNum,
					 BlockNumber nblocks);

extern Buffer XLogReadBuffer(RelFileNode rnode, BlockNumber blkno, bool init);
extern Buffer XLogReadBufferExtended(RelFileNode rnode, ForkNumber forknum,
					   BlockNumber blkno, ReadBufferMode mode);

extern Relation CreateFakeRelcacheEntry(RelFileNode rnode);
extern void FreeFakeRelcacheEntry(Relation fakerel);

#endif