clogdesc.c File Reference

#include "postgres.h"
#include "access/clog.h"

Include dependency graph for clogdesc.c:

Go to the source code of this file.

Functions
void	clog_desc (StringInfo buf, uint8 xl_info, char *rec)

---

Function Documentation

void clog_desc	(	StringInfo	buf,
		uint8	xl_info,
		char *	rec
	)

Definition at line 21 of file clogdesc.c.

References appendStringInfo(), CLOG_TRUNCATE, and CLOG_ZEROPAGE.

{
    uint8       info = xl_info & ~XLR_INFO_MASK;

    if (info == CLOG_ZEROPAGE)
    {
        int         pageno;

        memcpy(&pageno, rec, sizeof(int));
        appendStringInfo(buf, "zeropage: %d", pageno);
    }
    else if (info == CLOG_TRUNCATE)
    {
        int         pageno;

        memcpy(&pageno, rec, sizeof(int));
        appendStringInfo(buf, "truncate before: %d", pageno);
    }
    else
        appendStringInfo(buf, "UNKNOWN");
}