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/*-------------------------------------------------------------------------
*
* spgdesc.c
* rmgr descriptor routines for access/spgist/spgxlog.c
*
* Portions Copyright (c) 1996-2013, 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, uint8 xl_info, char *rec)
{
uint8 info = xl_info & ~XLR_INFO_MASK;
switch (info)
{
case XLOG_SPGIST_CREATE_INDEX:
appendStringInfo(buf, "create_index: 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, "add leaf to page: %u",
((spgxlogAddLeaf *) rec)->blknoLeaf);
break;
case XLOG_SPGIST_MOVE_LEAFS:
out_target(buf, ((spgxlogMoveLeafs *) rec)->node);
appendStringInfo(buf, "move %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, "add node to %u:%u",
((spgxlogAddNode *) rec)->blkno,
((spgxlogAddNode *) rec)->offnum);
break;
case XLOG_SPGIST_SPLIT_TUPLE:
out_target(buf, ((spgxlogSplitTuple *) rec)->node);
appendStringInfo(buf, "split node %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);
appendStringInfo(buf, "split leaf page");
break;
case XLOG_SPGIST_VACUUM_LEAF:
out_target(buf, ((spgxlogVacuumLeaf *) rec)->node);
appendStringInfo(buf, "vacuum leaf tuples on page %u",
((spgxlogVacuumLeaf *) rec)->blkno);
break;
case XLOG_SPGIST_VACUUM_ROOT:
out_target(buf, ((spgxlogVacuumRoot *) rec)->node);
appendStringInfo(buf, "vacuum leaf tuples on root page %u",
((spgxlogVacuumRoot *) rec)->blkno);
break;
case XLOG_SPGIST_VACUUM_REDIRECT:
out_target(buf, ((spgxlogVacuumRedirect *) rec)->node);
appendStringInfo(buf, "vacuum redirect tuples on page %u, newest XID %u",
((spgxlogVacuumRedirect *) rec)->blkno,
((spgxlogVacuumRedirect *) rec)->newestRedirectXid);
break;
default:
appendStringInfo(buf, "unknown spgist op code %u", info);
break;
}
}
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