granicus.if.org Git - postgresql/blob - src/backend/access/rmgrdesc/spgdesc.c

   1 /*-------------------------------------------------------------------------
   2  *
   3  * spgdesc.c
   4  *        rmgr descriptor routines for access/spgist/spgxlog.c
   5  *
   6  * Portions Copyright (c) 1996-2014, 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/spgist_private.h"
  18
  19 static void
  20 out_target(StringInfo buf, RelFileNode node)
  21 {
  22         appendStringInfo(buf, "rel %u/%u/%u ",
  23                                          node.spcNode, node.dbNode, node.relNode);
  24 }
  25
  26 void
  27 spg_desc(StringInfo buf, uint8 xl_info, char *rec)
  28 {
  29         uint8           info = xl_info & ~XLR_INFO_MASK;
  30
  31         switch (info)
  32         {
  33                 case XLOG_SPGIST_CREATE_INDEX:
  34                         appendStringInfo(buf, "create_index: rel %u/%u/%u",
  35                                                          ((RelFileNode *) rec)->spcNode,
  36                                                          ((RelFileNode *) rec)->dbNode,
  37                                                          ((RelFileNode *) rec)->relNode);
  38                         break;
  39                 case XLOG_SPGIST_ADD_LEAF:
  40                         out_target(buf, ((spgxlogAddLeaf *) rec)->node);
  41                         appendStringInfo(buf, "add leaf to page: %u",
  42                                                          ((spgxlogAddLeaf *) rec)->blknoLeaf);
  43                         break;
  44                 case XLOG_SPGIST_MOVE_LEAFS:
  45                         out_target(buf, ((spgxlogMoveLeafs *) rec)->node);
  46                         appendStringInfo(buf, "move %u leafs from page %u to page %u",
  47                                                          ((spgxlogMoveLeafs *) rec)->nMoves,
  48                                                          ((spgxlogMoveLeafs *) rec)->blknoSrc,
  49                                                          ((spgxlogMoveLeafs *) rec)->blknoDst);
  50                         break;
  51                 case XLOG_SPGIST_ADD_NODE:
  52                         out_target(buf, ((spgxlogAddNode *) rec)->node);
  53                         appendStringInfo(buf, "add node to %u:%u",
  54                                                          ((spgxlogAddNode *) rec)->blkno,
  55                                                          ((spgxlogAddNode *) rec)->offnum);
  56                         break;
  57                 case XLOG_SPGIST_SPLIT_TUPLE:
  58                         out_target(buf, ((spgxlogSplitTuple *) rec)->node);
  59                         appendStringInfo(buf, "split node %u:%u to %u:%u",
  60                                                          ((spgxlogSplitTuple *) rec)->blknoPrefix,
  61                                                          ((spgxlogSplitTuple *) rec)->offnumPrefix,
  62                                                          ((spgxlogSplitTuple *) rec)->blknoPostfix,
  63                                                          ((spgxlogSplitTuple *) rec)->offnumPostfix);
  64                         break;
  65                 case XLOG_SPGIST_PICKSPLIT:
  66                         out_target(buf, ((spgxlogPickSplit *) rec)->node);
  67                         appendStringInfoString(buf, "split leaf page");
  68                         break;
  69                 case XLOG_SPGIST_VACUUM_LEAF:
  70                         out_target(buf, ((spgxlogVacuumLeaf *) rec)->node);
  71                         appendStringInfo(buf, "vacuum leaf tuples on page %u",
  72                                                          ((spgxlogVacuumLeaf *) rec)->blkno);
  73                         break;
  74                 case XLOG_SPGIST_VACUUM_ROOT:
  75                         out_target(buf, ((spgxlogVacuumRoot *) rec)->node);
  76                         appendStringInfo(buf, "vacuum leaf tuples on root page %u",
  77                                                          ((spgxlogVacuumRoot *) rec)->blkno);
  78                         break;
  79                 case XLOG_SPGIST_VACUUM_REDIRECT:
  80                         out_target(buf, ((spgxlogVacuumRedirect *) rec)->node);
  81                         appendStringInfo(buf, "vacuum redirect tuples on page %u, newest XID %u",
  82                                                          ((spgxlogVacuumRedirect *) rec)->blkno,
  83                                                  ((spgxlogVacuumRedirect *) rec)->newestRedirectXid);
  84                         break;
  85                 default:
  86                         appendStringInfo(buf, "unknown spgist op code %u", info);
  87                         break;
  88         }
  89 }