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/*-------------------------------------------------------------------------
*
* brindesc.c
* rmgr descriptor routines for BRIN indexes
*
* Portions Copyright (c) 1996-2014, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
*
* IDENTIFICATION
* src/backend/access/rmgrdesc/brindesc.c
*
*-------------------------------------------------------------------------
*/
#include "postgres.h"
#include "access/brin_xlog.h"
void
brin_desc(StringInfo buf, XLogRecord *record)
{
char *rec = XLogRecGetData(record);
uint8 info = record->xl_info & ~XLR_INFO_MASK;
info &= XLOG_BRIN_OPMASK;
if (info == XLOG_BRIN_CREATE_INDEX)
{
xl_brin_createidx *xlrec = (xl_brin_createidx *) rec;
appendStringInfo(buf, "v%d pagesPerRange %u rel %u/%u/%u",
xlrec->version, xlrec->pagesPerRange,
xlrec->node.spcNode, xlrec->node.dbNode,
xlrec->node.relNode);
}
else if (info == XLOG_BRIN_INSERT)
{
xl_brin_insert *xlrec = (xl_brin_insert *) rec;
appendStringInfo(buf, "rel %u/%u/%u heapBlk %u revmapBlk %u pagesPerRange %u TID (%u,%u)",
xlrec->node.spcNode, xlrec->node.dbNode,
xlrec->node.relNode,
xlrec->heapBlk, xlrec->revmapBlk,
xlrec->pagesPerRange,
ItemPointerGetBlockNumber(&xlrec->tid),
ItemPointerGetOffsetNumber(&xlrec->tid));
}
else if (info == XLOG_BRIN_UPDATE)
{
xl_brin_update *xlrec = (xl_brin_update *) rec;
appendStringInfo(buf, "rel %u/%u/%u heapBlk %u revmapBlk %u pagesPerRange %u old TID (%u,%u) TID (%u,%u)",
xlrec->new.node.spcNode, xlrec->new.node.dbNode,
xlrec->new.node.relNode,
xlrec->new.heapBlk, xlrec->new.revmapBlk,
xlrec->new.pagesPerRange,
ItemPointerGetBlockNumber(&xlrec->oldtid),
ItemPointerGetOffsetNumber(&xlrec->oldtid),
ItemPointerGetBlockNumber(&xlrec->new.tid),
ItemPointerGetOffsetNumber(&xlrec->new.tid));
}
else if (info == XLOG_BRIN_SAMEPAGE_UPDATE)
{
xl_brin_samepage_update *xlrec = (xl_brin_samepage_update *) rec;
appendStringInfo(buf, "rel %u/%u/%u TID (%u,%u)",
xlrec->node.spcNode, xlrec->node.dbNode,
xlrec->node.relNode,
ItemPointerGetBlockNumber(&xlrec->tid),
ItemPointerGetOffsetNumber(&xlrec->tid));
}
else if (info == XLOG_BRIN_REVMAP_EXTEND)
{
xl_brin_revmap_extend *xlrec = (xl_brin_revmap_extend *) rec;
appendStringInfo(buf, "rel %u/%u/%u targetBlk %u",
xlrec->node.spcNode, xlrec->node.dbNode,
xlrec->node.relNode, xlrec->targetBlk);
}
}
const char *
brin_identify(uint8 info)
{
const char *id = NULL;
switch (info & ~XLR_INFO_MASK)
{
case XLOG_BRIN_CREATE_INDEX:
id = "CREATE_INDEX";
break;
case XLOG_BRIN_INSERT:
id = "INSERT";
break;
case XLOG_BRIN_INSERT | XLOG_BRIN_INIT_PAGE:
id = "INSERT+INIT";
break;
case XLOG_BRIN_UPDATE:
id = "UPDATE";
break;
case XLOG_BRIN_UPDATE | XLOG_BRIN_INIT_PAGE:
id = "UPDATE+INIT";
break;
case XLOG_BRIN_SAMEPAGE_UPDATE:
id = "SAMEPAGE_UPDATE";
break;
case XLOG_BRIN_REVMAP_EXTEND:
id = "REVMAP_EXTEND";
break;
}
return id;
}
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