relmapdesc.c

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/*-------------------------------------------------------------------------
 *
 * relmapdesc.c
 *    rmgr descriptor routines for utils/cache/relmapper.c
 *
 * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 *
 * IDENTIFICATION
 *    src/backend/access/rmgrdesc/relmapdesc.c
 *
 *-------------------------------------------------------------------------
 */
#include "postgres.h"
 
#include "utils/relmapper.h"
 
void
relmap_desc(StringInfo buf, XLogReaderState *record)
{
    char       *rec = XLogRecGetData(record);
    uint8       info = XLogRecGetInfo(record) & ~XLR_INFO_MASK;
 
    if (info == XLOG_RELMAP_UPDATE)
    {
        xl_relmap_update *xlrec = (xl_relmap_update *) rec;
 
        appendStringInfo(buf, "database %u tablespace %u size %d",
                         xlrec->dbid, xlrec->tsid, xlrec->nbytes);
    }
}
 
const char *
relmap_identify(uint8 info)
{
    const char *id = NULL;
 
    switch (info & ~XLR_INFO_MASK)
    {
        case XLOG_RELMAP_UPDATE:
            id = "UPDATE";
            break;
    }
 
    return id;
}