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.

{
    char       *rec = XLogRecGetData(record);
    uint8       info = XLogRecGetInfo(record) & ~XLR_INFO_MASK;
 
    if (info == COMMIT_TS_ZEROPAGE)
    {
        int64       pageno;
 
        memcpy(&pageno, rec, sizeof(pageno));
        appendStringInfo(buf, "%lld", (long long) pageno);
    }
    else if (info == COMMIT_TS_TRUNCATE)
    {
        xl_commit_ts_truncate *trunc = (xl_commit_ts_truncate *) rec;
 
        appendStringInfo(buf, "pageno %lld, oldestXid %u",
                         (long long) trunc->pageno, trunc->oldestXid);
    }
}

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

commit_ts_identify()

const char* commit_ts_identify

(

uint8

info

)

Definition at line 43 of file committsdesc.c.

{
    switch (info)
    {
        case COMMIT_TS_ZEROPAGE:
            return "ZEROPAGE";
        case COMMIT_TS_TRUNCATE:
            return "TRUNCATE";
        default:
            return NULL;
    }
}

References COMMIT_TS_TRUNCATE, and COMMIT_TS_ZEROPAGE.