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committsdesc.c File Reference
#include "postgres.h"
#include "access/commit_ts.h"
Include dependency graph for committsdesc.c:

Go to the source code of this file.

Functions

void commit_ts_desc (StringInfo buf, XLogReaderState *record)
 
const char * commit_ts_identify (uint8 info)
 

Function Documentation

◆ commit_ts_desc()

void commit_ts_desc ( StringInfo  buf,
XLogReaderState record 
)

Definition at line 21 of file committsdesc.c.

22{
23 char *rec = XLogRecGetData(record);
24 uint8 info = XLogRecGetInfo(record) & ~XLR_INFO_MASK;
25
26 if (info == COMMIT_TS_ZEROPAGE)
27 {
28 int64 pageno;
29
30 memcpy(&pageno, rec, sizeof(pageno));
31 appendStringInfo(buf, "%lld", (long long) pageno);
32 }
33 else if (info == COMMIT_TS_TRUNCATE)
34 {
36
37 appendStringInfo(buf, "pageno %lld, oldestXid %u",
38 (long long) trunc->pageno, trunc->oldestXid);
39 }
40}
uint8_t uint8
Definition: c.h:483
int64_t int64
Definition: c.h:482
#define COMMIT_TS_ZEROPAGE
Definition: commit_ts.h:46
#define COMMIT_TS_TRUNCATE
Definition: commit_ts.h:47
static char * buf
Definition: pg_test_fsync.c:72
void appendStringInfo(StringInfo str, const char *fmt,...)
Definition: stringinfo.c:94
TransactionId oldestXid
Definition: commit_ts.h:63
#define XLogRecGetInfo(decoder)
Definition: xlogreader.h:410
#define XLogRecGetData(decoder)
Definition: xlogreader.h:415

References appendStringInfo(), buf, COMMIT_TS_TRUNCATE, COMMIT_TS_ZEROPAGE, xl_commit_ts_truncate::oldestXid, xl_commit_ts_truncate::pageno, XLogRecGetData, and XLogRecGetInfo.

◆ commit_ts_identify()

const char * commit_ts_identify ( uint8  info)

Definition at line 43 of file committsdesc.c.

44{
45 switch (info)
46 {
48 return "ZEROPAGE";
50 return "TRUNCATE";
51 default:
52 return NULL;
53 }
54}

References COMMIT_TS_TRUNCATE, and COMMIT_TS_ZEROPAGE.