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/*-------------------------------------------------------------------------
*
* heapdesc.c
* rmgr descriptor routines for access/heap/heapam.c
*
* Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
*
* IDENTIFICATION
* src/backend/access/rmgrdesc/heapdesc.c
*
*-------------------------------------------------------------------------
*/
#include "postgres.h"
#include "access/heapam_xlog.h"
static void
out_infobits(StringInfo buf, uint8 infobits)
{
if (infobits & XLHL_XMAX_IS_MULTI)
appendStringInfoString(buf, "IS_MULTI ");
if (infobits & XLHL_XMAX_LOCK_ONLY)
appendStringInfoString(buf, "LOCK_ONLY ");
if (infobits & XLHL_XMAX_EXCL_LOCK)
appendStringInfoString(buf, "EXCL_LOCK ");
if (infobits & XLHL_XMAX_KEYSHR_LOCK)
appendStringInfoString(buf, "KEYSHR_LOCK ");
if (infobits & XLHL_KEYS_UPDATED)
appendStringInfoString(buf, "KEYS_UPDATED ");
}
void
heap_desc(StringInfo buf, XLogReaderState *record)
{
char *rec = XLogRecGetData(record);
uint8 info = XLogRecGetInfo(record) & ~XLR_INFO_MASK;
info &= XLOG_HEAP_OPMASK;
if (info == XLOG_HEAP_INSERT)
{
xl_heap_insert *xlrec = (xl_heap_insert *) rec;
appendStringInfo(buf, "off %u flags 0x%02X", xlrec->offnum,
xlrec->flags);
}
else if (info == XLOG_HEAP_DELETE)
{
xl_heap_delete *xlrec = (xl_heap_delete *) rec;
appendStringInfo(buf, "off %u flags 0x%02X ",
xlrec->offnum,
xlrec->flags);
out_infobits(buf, xlrec->infobits_set);
}
else if (info == XLOG_HEAP_UPDATE)
{
xl_heap_update *xlrec = (xl_heap_update *) rec;
appendStringInfo(buf, "off %u xmax %u flags 0x%02X ",
xlrec->old_offnum,
xlrec->old_xmax,
xlrec->flags);
out_infobits(buf, xlrec->old_infobits_set);
appendStringInfo(buf, "; new off %u xmax %u",
xlrec->new_offnum,
xlrec->new_xmax);
}
else if (info == XLOG_HEAP_HOT_UPDATE)
{
xl_heap_update *xlrec = (xl_heap_update *) rec;
appendStringInfo(buf, "off %u xmax %u flags 0x%02X ",
xlrec->old_offnum,
xlrec->old_xmax,
xlrec->flags);
out_infobits(buf, xlrec->old_infobits_set);
appendStringInfo(buf, "; new off %u xmax %u",
xlrec->new_offnum,
xlrec->new_xmax);
}
else if (info == XLOG_HEAP_TRUNCATE)
{
xl_heap_truncate *xlrec = (xl_heap_truncate *) rec;
int i;
if (xlrec->flags & XLH_TRUNCATE_CASCADE)
appendStringInfoString(buf, "cascade ");
if (xlrec->flags & XLH_TRUNCATE_RESTART_SEQS)
appendStringInfoString(buf, "restart_seqs ");
appendStringInfo(buf, "nrelids %u relids", xlrec->nrelids);
for (i = 0; i < xlrec->nrelids; i++)
appendStringInfo(buf, " %u", xlrec->relids[i]);
}
else if (info == XLOG_HEAP_CONFIRM)
{
xl_heap_confirm *xlrec = (xl_heap_confirm *) rec;
appendStringInfo(buf, "off %u", xlrec->offnum);
}
else if (info == XLOG_HEAP_LOCK)
{
xl_heap_lock *xlrec = (xl_heap_lock *) rec;
appendStringInfo(buf, "off %u: xid %u: flags 0x%02X ",
xlrec->offnum, xlrec->locking_xid, xlrec->flags);
out_infobits(buf, xlrec->infobits_set);
}
else if (info == XLOG_HEAP_INPLACE)
{
xl_heap_inplace *xlrec = (xl_heap_inplace *) rec;
appendStringInfo(buf, "off %u", xlrec->offnum);
}
}
void
heap2_desc(StringInfo buf, XLogReaderState *record)
{
char *rec = XLogRecGetData(record);
uint8 info = XLogRecGetInfo(record) & ~XLR_INFO_MASK;
info &= XLOG_HEAP_OPMASK;
if (info == XLOG_HEAP2_CLEAN)
{
xl_heap_clean *xlrec = (xl_heap_clean *) rec;
appendStringInfo(buf, "remxid %u", xlrec->latestRemovedXid);
}
else if (info == XLOG_HEAP2_FREEZE_PAGE)
{
xl_heap_freeze_page *xlrec = (xl_heap_freeze_page *) rec;
appendStringInfo(buf, "cutoff xid %u ntuples %u",
xlrec->cutoff_xid, xlrec->ntuples);
}
else if (info == XLOG_HEAP2_CLEANUP_INFO)
{
xl_heap_cleanup_info *xlrec = (xl_heap_cleanup_info *) rec;
appendStringInfo(buf, "remxid %u", xlrec->latestRemovedXid);
}
else if (info == XLOG_HEAP2_VISIBLE)
{
xl_heap_visible *xlrec = (xl_heap_visible *) rec;
appendStringInfo(buf, "cutoff xid %u flags 0x%02X",
xlrec->cutoff_xid, xlrec->flags);
}
else if (info == XLOG_HEAP2_MULTI_INSERT)
{
xl_heap_multi_insert *xlrec = (xl_heap_multi_insert *) rec;
appendStringInfo(buf, "%d tuples flags 0x%02X", xlrec->ntuples,
xlrec->flags);
}
else if (info == XLOG_HEAP2_LOCK_UPDATED)
{
xl_heap_lock_updated *xlrec = (xl_heap_lock_updated *) rec;
appendStringInfo(buf, "off %u: xmax %u: flags 0x%02X ",
xlrec->offnum, xlrec->xmax, xlrec->flags);
out_infobits(buf, xlrec->infobits_set);
}
else if (info == XLOG_HEAP2_NEW_CID)
{
xl_heap_new_cid *xlrec = (xl_heap_new_cid *) rec;
appendStringInfo(buf, "rel %u/%u/%u; tid %u/%u",
xlrec->target_node.spcNode,
xlrec->target_node.dbNode,
xlrec->target_node.relNode,
ItemPointerGetBlockNumber(&(xlrec->target_tid)),
ItemPointerGetOffsetNumber(&(xlrec->target_tid)));
appendStringInfo(buf, "; cmin: %u, cmax: %u, combo: %u",
xlrec->cmin, xlrec->cmax, xlrec->combocid);
}
}
const char *
heap_identify(uint8 info)
{
const char *id = NULL;
switch (info & ~XLR_INFO_MASK)
{
case XLOG_HEAP_INSERT:
id = "INSERT";
break;
case XLOG_HEAP_INSERT | XLOG_HEAP_INIT_PAGE:
id = "INSERT+INIT";
break;
case XLOG_HEAP_DELETE:
id = "DELETE";
break;
case XLOG_HEAP_UPDATE:
id = "UPDATE";
break;
case XLOG_HEAP_UPDATE | XLOG_HEAP_INIT_PAGE:
id = "UPDATE+INIT";
break;
case XLOG_HEAP_HOT_UPDATE:
id = "HOT_UPDATE";
break;
case XLOG_HEAP_HOT_UPDATE | XLOG_HEAP_INIT_PAGE:
id = "HOT_UPDATE+INIT";
break;
case XLOG_HEAP_TRUNCATE:
id = "TRUNCATE";
break;
case XLOG_HEAP_CONFIRM:
id = "HEAP_CONFIRM";
break;
case XLOG_HEAP_LOCK:
id = "LOCK";
break;
case XLOG_HEAP_INPLACE:
id = "INPLACE";
break;
}
return id;
}
const char *
heap2_identify(uint8 info)
{
const char *id = NULL;
switch (info & ~XLR_INFO_MASK)
{
case XLOG_HEAP2_CLEAN:
id = "CLEAN";
break;
case XLOG_HEAP2_FREEZE_PAGE:
id = "FREEZE_PAGE";
break;
case XLOG_HEAP2_CLEANUP_INFO:
id = "CLEANUP_INFO";
break;
case XLOG_HEAP2_VISIBLE:
id = "VISIBLE";
break;
case XLOG_HEAP2_MULTI_INSERT:
id = "MULTI_INSERT";
break;
case XLOG_HEAP2_MULTI_INSERT | XLOG_HEAP_INIT_PAGE:
id = "MULTI_INSERT+INIT";
break;
case XLOG_HEAP2_LOCK_UPDATED:
id = "LOCK_UPDATED";
break;
case XLOG_HEAP2_NEW_CID:
id = "NEW_CID";
break;
case XLOG_HEAP2_REWRITE:
id = "REWRITE";
break;
}
return id;
}
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