/*-------------------------------------------------------------------------

 *

 * spgdesc.c

 *    rmgr descriptor routines for access/spgist/spgxlog.c

 *

 * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group

 * Portions Copyright (c) 1994, Regents of the University of California

 *

 *

 * IDENTIFICATION

 *    src/backend/access/rmgrdesc/spgdesc.c

 *

 *-------------------------------------------------------------------------

 */

#include "postgres.h"

#include "access/spgxlog.h"

void

spg_desc(StringInfo buf, XLogReaderState *record)

{

  char     *rec = XLogRecGetData(record);

  uint8   info = XLogRecGetInfo(record) & ~XLR_INFO_MASK;

  switch (info)

  {

    case XLOG_SPGIST_ADD_LEAF:

      {

        spgxlogAddLeaf *xlrec = (spgxlogAddLeaf *) rec;

        appendStringInfo(buf, "off: %u, headoff: %u, parentoff: %u, nodeI: %u",

                 xlrec->offnumLeaf, xlrec->offnumHeadLeaf,

                 xlrec->offnumParent, xlrec->nodeI);

        if (xlrec->newPage)

          appendStringInfoString(buf, " (newpage)");

        if (xlrec->storesNulls)

          appendStringInfoString(buf, " (nulls)");

      }

      break;

    case XLOG_SPGIST_MOVE_LEAFS:

      {

        spgxlogMoveLeafs *xlrec = (spgxlogMoveLeafs *) rec;

        appendStringInfo(buf, "nmoves: %u, parentoff: %u, nodeI: %u",

                 xlrec->nMoves,

                 xlrec->offnumParent, xlrec->nodeI);

        if (xlrec->newPage)

          appendStringInfoString(buf, " (newpage)");

        if (xlrec->replaceDead)

          appendStringInfoString(buf, " (replacedead)");

        if (xlrec->storesNulls)

          appendStringInfoString(buf, " (nulls)");

      }

      break;

    case XLOG_SPGIST_ADD_NODE:

      {

        spgxlogAddNode *xlrec = (spgxlogAddNode *) rec;

        appendStringInfo(buf, "off: %u, newoff: %u, parentBlk: %d, "

                 "parentoff: %u, nodeI: %u",

                 xlrec->offnum,

                 xlrec->offnumNew,

                 xlrec->parentBlk,

                 xlrec->offnumParent,

                 xlrec->nodeI);

        if (xlrec->newPage)

          appendStringInfoString(buf, " (newpage)");

      }

      break;

    case XLOG_SPGIST_SPLIT_TUPLE:

      {

        spgxlogSplitTuple *xlrec = (spgxlogSplitTuple *) rec;

        appendStringInfo(buf, "prefixoff: %u, postfixoff: %u",

                 xlrec->offnumPrefix,

                 xlrec->offnumPostfix);

        if (xlrec->newPage)

          appendStringInfoString(buf, " (newpage)");

        if (xlrec->postfixBlkSame)

          appendStringInfoString(buf, " (same)");

      }

      break;

    case XLOG_SPGIST_PICKSPLIT:

      {

        spgxlogPickSplit *xlrec = (spgxlogPickSplit *) rec;

        appendStringInfo(buf, "ndelete: %u, ninsert: %u, inneroff: %u, "

                 "parentoff: %u, nodeI: %u",

                 xlrec->nDelete, xlrec->nInsert,

                 xlrec->offnumInner,

                 xlrec->offnumParent, xlrec->nodeI);

        if (xlrec->innerIsParent)

          appendStringInfoString(buf, " (innerIsParent)");

        if (xlrec->storesNulls)

          appendStringInfoString(buf, " (nulls)");

        if (xlrec->isRootSplit)

          appendStringInfoString(buf, " (isRootSplit)");

      }

      break;

    case XLOG_SPGIST_VACUUM_LEAF:

      {

        spgxlogVacuumLeaf *xlrec = (spgxlogVacuumLeaf *) rec;

        appendStringInfo(buf, "ndead: %u, nplaceholder: %u, nmove: %u, nchain: %u",

                 xlrec->nDead, xlrec->nPlaceholder,

                 xlrec->nMove, xlrec->nChain);

      }

      break;

    case XLOG_SPGIST_VACUUM_ROOT:

      {

        spgxlogVacuumRoot *xlrec = (spgxlogVacuumRoot *) rec;

        appendStringInfo(buf, "ndelete: %u",

                 xlrec->nDelete);

      }

      break;

    case XLOG_SPGIST_VACUUM_REDIRECT:

      {

        spgxlogVacuumRedirect *xlrec = (spgxlogVacuumRedirect *) rec;

        appendStringInfo(buf, "ntoplaceholder: %u, firstplaceholder: %u, snapshotConflictHorizon: %u, isCatalogRel: %c",

                 xlrec->nToPlaceholder,

                 xlrec->firstPlaceholder,

                 xlrec->snapshotConflictHorizon,

                 xlrec->isCatalogRel ? 'T' : 'F');

      }

      break;

  }

}

const char *

spg_identify(uint8 info)

{

  const char *id = NULL;

  switch (info & ~XLR_INFO_MASK)

  {

    case XLOG_SPGIST_ADD_LEAF:

      id = "ADD_LEAF";

      break;

    case XLOG_SPGIST_MOVE_LEAFS:

      id = "MOVE_LEAFS";

      break;

    case XLOG_SPGIST_ADD_NODE:

      id = "ADD_NODE";

      break;

    case XLOG_SPGIST_SPLIT_TUPLE:

      id = "SPLIT_TUPLE";

      break;

    case XLOG_SPGIST_PICKSPLIT:

      id = "PICKSPLIT";

      break;

    case XLOG_SPGIST_VACUUM_LEAF:

      id = "VACUUM_LEAF";

      break;

    case XLOG_SPGIST_VACUUM_ROOT:

      id = "VACUUM_ROOT";

      break;

    case XLOG_SPGIST_VACUUM_REDIRECT:

      id = "VACUUM_REDIRECT";

      break;

  }

  return id;

}