LCOV - code coverage report
Current view: top level - src/bin/pg_waldump - clogdesc.c (source / functions) Coverage Total Hit
Test: PostgreSQL 19devel Lines: 70.0 % 20 14
Test Date: 2026-02-17 17:20:33 Functions: 100.0 % 2 2
Legend: Lines:     hit not hit

            Line data    Source code
       1              : /*-------------------------------------------------------------------------
       2              :  *
       3              :  * clogdesc.c
       4              :  *    rmgr descriptor routines for access/transam/clog.c
       5              :  *
       6              :  * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
       7              :  * Portions Copyright (c) 1994, Regents of the University of California
       8              :  *
       9              :  *
      10              :  * IDENTIFICATION
      11              :  *    src/backend/access/rmgrdesc/clogdesc.c
      12              :  *
      13              :  *-------------------------------------------------------------------------
      14              :  */
      15              : #include "postgres.h"
      16              : 
      17              : #include "access/clog.h"
      18              : 
      19              : 
      20              : void
      21            2 : clog_desc(StringInfo buf, XLogReaderState *record)
      22              : {
      23            2 :     char       *rec = XLogRecGetData(record);
      24            2 :     uint8       info = XLogRecGetInfo(record) & ~XLR_INFO_MASK;
      25              : 
      26            2 :     if (info == CLOG_ZEROPAGE)
      27              :     {
      28              :         int64       pageno;
      29              : 
      30            2 :         memcpy(&pageno, rec, sizeof(pageno));
      31            2 :         appendStringInfo(buf, "page %" PRId64, pageno);
      32              :     }
      33            0 :     else if (info == CLOG_TRUNCATE)
      34              :     {
      35              :         xl_clog_truncate xlrec;
      36              : 
      37            0 :         memcpy(&xlrec, rec, sizeof(xl_clog_truncate));
      38            0 :         appendStringInfo(buf, "page %" PRId64 "; oldestXact %u",
      39              :                          xlrec.pageno, xlrec.oldestXact);
      40              :     }
      41            2 : }
      42              : 
      43              : const char *
      44            2 : clog_identify(uint8 info)
      45              : {
      46            2 :     const char *id = NULL;
      47              : 
      48            2 :     switch (info & ~XLR_INFO_MASK)
      49              :     {
      50            2 :         case CLOG_ZEROPAGE:
      51            2 :             id = "ZEROPAGE";
      52            2 :             break;
      53            0 :         case CLOG_TRUNCATE:
      54            0 :             id = "TRUNCATE";
      55            0 :             break;
      56              :     }
      57              : 
      58            2 :     return id;
      59              : }
        

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