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relmapdesc.c
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1/*-------------------------------------------------------------------------
2 *
3 * relmapdesc.c
4 * rmgr descriptor routines for utils/cache/relmapper.c
5 *
6 * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
7 * Portions Copyright (c) 1994, Regents of the University of California
8 *
9 *
10 * IDENTIFICATION
11 * src/backend/access/rmgrdesc/relmapdesc.c
12 *
13 *-------------------------------------------------------------------------
14 */
15#include "postgres.h"
16
17#include "utils/relmapper.h"
18
19void
21{
22 char *rec = XLogRecGetData(record);
23 uint8 info = XLogRecGetInfo(record) & ~XLR_INFO_MASK;
24
25 if (info == XLOG_RELMAP_UPDATE)
26 {
27 xl_relmap_update *xlrec = (xl_relmap_update *) rec;
28
29 appendStringInfo(buf, "database %u tablespace %u size %d",
30 xlrec->dbid, xlrec->tsid, xlrec->nbytes);
31 }
32}
33
34const char *
36{
37 const char *id = NULL;
38
39 switch (info & ~XLR_INFO_MASK)
40 {
42 id = "UPDATE";
43 break;
44 }
45
46 return id;
47}
uint8_t uint8
Definition: c.h:500
static char * buf
Definition: pg_test_fsync.c:72
void relmap_desc(StringInfo buf, XLogReaderState *record)
Definition: relmapdesc.c:20
const char * relmap_identify(uint8 info)
Definition: relmapdesc.c:35
#define XLOG_RELMAP_UPDATE
Definition: relmapper.h:25
void appendStringInfo(StringInfo str, const char *fmt,...)
Definition: stringinfo.c:145
#define XLogRecGetInfo(decoder)
Definition: xlogreader.h:410
#define XLogRecGetData(decoder)
Definition: xlogreader.h:415
#define XLR_INFO_MASK
Definition: xlogrecord.h:62