Line data    Source code

       1             : /*-------------------------------------------------------------------------
       2             :  *
       3             :  * spgdesc.c
       4             :  *    rmgr descriptor routines for access/spgist/spgxlog.c
       5             :  *
       6             :  * Portions Copyright (c) 1996-2017, PostgreSQL Global Development Group
       7             :  * Portions Copyright (c) 1994, Regents of the University of California
       8             :  *
       9             :  *
      10             :  * IDENTIFICATION
      11             :  *    src/backend/access/rmgrdesc/spgdesc.c
      12             :  *
      13             :  *-------------------------------------------------------------------------
      14             :  */
      15             : #include "postgres.h"
      16             : 
      17             : #include "access/spgxlog.h"
      18             : 
      19             : void
      20           0 : spg_desc(StringInfo buf, XLogReaderState *record)
      21             : {
      22           0 :     char       *rec = XLogRecGetData(record);
      23           0 :     uint8       info = XLogRecGetInfo(record) & ~XLR_INFO_MASK;
      24             : 
      25           0 :     switch (info)
      26             :     {
      27             :         case XLOG_SPGIST_CREATE_INDEX:
      28           0 :             break;
      29             :         case XLOG_SPGIST_ADD_LEAF:
      30             :             {
      31           0 :                 spgxlogAddLeaf *xlrec = (spgxlogAddLeaf *) rec;
      32             : 
      33           0 :                 appendStringInfoString(buf, "add leaf to page");
      34           0 :                 appendStringInfo(buf, "; off %u; headoff %u; parentoff %u",
      35           0 :                                  xlrec->offnumLeaf, xlrec->offnumHeadLeaf,
      36           0 :                                  xlrec->offnumParent);
      37           0 :                 if (xlrec->newPage)
      38           0 :                     appendStringInfoString(buf, " (newpage)");
      39           0 :                 if (xlrec->storesNulls)
      40           0 :                     appendStringInfoString(buf, " (nulls)");
      41             :             }
      42           0 :             break;
      43             :         case XLOG_SPGIST_MOVE_LEAFS:
      44           0 :             appendStringInfo(buf, "%u leafs",
      45           0 :                              ((spgxlogMoveLeafs *) rec)->nMoves);
      46           0 :             break;
      47             :         case XLOG_SPGIST_ADD_NODE:
      48           0 :             appendStringInfo(buf, "off %u",
      49           0 :                              ((spgxlogAddNode *) rec)->offnum);
      50           0 :             break;
      51             :         case XLOG_SPGIST_SPLIT_TUPLE:
      52           0 :             appendStringInfo(buf, "prefix off: %u, postfix off: %u (same %d, new %d)",
      53           0 :                              ((spgxlogSplitTuple *) rec)->offnumPrefix,
      54           0 :                              ((spgxlogSplitTuple *) rec)->offnumPostfix,
      55           0 :                              ((spgxlogSplitTuple *) rec)->postfixBlkSame,
      56           0 :                              ((spgxlogSplitTuple *) rec)->newPage
      57             :                 );
      58           0 :             break;
      59             :         case XLOG_SPGIST_PICKSPLIT:
      60             :             {
      61           0 :                 spgxlogPickSplit *xlrec = (spgxlogPickSplit *) rec;
      62             : 
      63           0 :                 appendStringInfo(buf, "ndel %u; nins %u",
      64           0 :                                  xlrec->nDelete, xlrec->nInsert);
      65           0 :                 if (xlrec->innerIsParent)
      66           0 :                     appendStringInfoString(buf, " (innerIsParent)");
      67           0 :                 if (xlrec->isRootSplit)
      68           0 :                     appendStringInfoString(buf, " (isRootSplit)");
      69             :             }
      70           0 :             break;
      71             :         case XLOG_SPGIST_VACUUM_LEAF:
      72             :             /* no further information */
      73           0 :             break;
      74             :         case XLOG_SPGIST_VACUUM_ROOT:
      75             :             /* no further information */
      76           0 :             break;
      77             :         case XLOG_SPGIST_VACUUM_REDIRECT:
      78           0 :             appendStringInfo(buf, "newest XID %u",
      79             :                              ((spgxlogVacuumRedirect *) rec)->newestRedirectXid);
      80           0 :             break;
      81             :     }
      82           0 : }
      83             : 
      84             : const char *
      85           0 : spg_identify(uint8 info)
      86             : {
      87           0 :     const char *id = NULL;
      88             : 
      89           0 :     switch (info & ~XLR_INFO_MASK)
      90             :     {
      91             :         case XLOG_SPGIST_CREATE_INDEX:
      92           0 :             id = "CREATE_INDEX";
      93           0 :             break;
      94             :         case XLOG_SPGIST_ADD_LEAF:
      95           0 :             id = "ADD_LEAF";
      96           0 :             break;
      97             :         case XLOG_SPGIST_MOVE_LEAFS:
      98           0 :             id = "MOVE_LEAFS";
      99           0 :             break;
     100             :         case XLOG_SPGIST_ADD_NODE:
     101           0 :             id = "ADD_NODE";
     102           0 :             break;
     103             :         case XLOG_SPGIST_SPLIT_TUPLE:
     104           0 :             id = "SPLIT_TUPLE";
     105           0 :             break;
     106             :         case XLOG_SPGIST_PICKSPLIT:
     107           0 :             id = "PICKSPLIT";
     108           0 :             break;
     109             :         case XLOG_SPGIST_VACUUM_LEAF:
     110           0 :             id = "VACUUM_LEAF";
     111           0 :             break;
     112             :         case XLOG_SPGIST_VACUUM_ROOT:
     113           0 :             id = "VACUUM_ROOT";
     114           0 :             break;
     115             :         case XLOG_SPGIST_VACUUM_REDIRECT:
     116           0 :             id = "VACUUM_REDIRECT";
     117           0 :             break;
     118             :     }
     119             : 
     120           0 :     return id;
     121             : }