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/*-------------------------------------------------------------------------
*
* spgdesc.c
* rmgr descriptor routines for access/spgist/spgxlog.c
*
* Portions Copyright (c) 1996-2014, 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/spgist_private.h"
static void
out_target(StringInfo buf, RelFileNode node)
{
appendStringInfo(buf, "rel %u/%u/%u ",
node.spcNode, node.dbNode, node.relNode);
}
void
spg_desc(StringInfo buf, XLogRecord *record)
{
char *rec = XLogRecGetData(record);
uint8 info = record->xl_info & ~XLR_INFO_MASK;
switch (info)
{
case XLOG_SPGIST_CREATE_INDEX:
appendStringInfo(buf, "rel %u/%u/%u",
((RelFileNode *) rec)->spcNode,
((RelFileNode *) rec)->dbNode,
((RelFileNode *) rec)->relNode);
break;
case XLOG_SPGIST_ADD_LEAF:
out_target(buf, ((spgxlogAddLeaf *) rec)->node);
appendStringInfo(buf, "%u",
((spgxlogAddLeaf *) rec)->blknoLeaf);
break;
case XLOG_SPGIST_MOVE_LEAFS:
out_target(buf, ((spgxlogMoveLeafs *) rec)->node);
appendStringInfo(buf, "%u leafs from page %u to page %u",
((spgxlogMoveLeafs *) rec)->nMoves,
((spgxlogMoveLeafs *) rec)->blknoSrc,
((spgxlogMoveLeafs *) rec)->blknoDst);
break;
case XLOG_SPGIST_ADD_NODE:
out_target(buf, ((spgxlogAddNode *) rec)->node);
appendStringInfo(buf, "%u:%u",
((spgxlogAddNode *) rec)->blkno,
((spgxlogAddNode *) rec)->offnum);
break;
case XLOG_SPGIST_SPLIT_TUPLE:
out_target(buf, ((spgxlogSplitTuple *) rec)->node);
appendStringInfo(buf, "%u:%u to %u:%u",
((spgxlogSplitTuple *) rec)->blknoPrefix,
((spgxlogSplitTuple *) rec)->offnumPrefix,
((spgxlogSplitTuple *) rec)->blknoPostfix,
((spgxlogSplitTuple *) rec)->offnumPostfix);
break;
case XLOG_SPGIST_PICKSPLIT:
out_target(buf, ((spgxlogPickSplit *) rec)->node);
break;
case XLOG_SPGIST_VACUUM_LEAF:
out_target(buf, ((spgxlogVacuumLeaf *) rec)->node);
appendStringInfo(buf, "page %u",
((spgxlogVacuumLeaf *) rec)->blkno);
break;
case XLOG_SPGIST_VACUUM_ROOT:
out_target(buf, ((spgxlogVacuumRoot *) rec)->node);
appendStringInfo(buf, "page %u",
((spgxlogVacuumRoot *) rec)->blkno);
break;
case XLOG_SPGIST_VACUUM_REDIRECT:
out_target(buf, ((spgxlogVacuumRedirect *) rec)->node);
appendStringInfo(buf, "page %u, newest XID %u",
((spgxlogVacuumRedirect *) rec)->blkno,
((spgxlogVacuumRedirect *) rec)->newestRedirectXid);
break;
}
}
const char *
spg_identify(uint8 info)
{
const char *id = NULL;
switch (info)
{
case XLOG_SPGIST_CREATE_INDEX:
id = "CREATE_INDEX";
break;
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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