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/*-------------------------------------------------------------------------
*
* spgdesc.c
* rmgr descriptor routines for access/spgist/spgxlog.c
*
* Portions Copyright (c) 1996-2023, 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",
xlrec->nToPlaceholder,
xlrec->firstPlaceholder,
xlrec->snapshotConflictHorizon);
}
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;
}
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