heapdesc.c File Reference

#include "postgres.h"
#include "access/heapam_xlog.h"

Include dependency graph for heapdesc.c:

Go to the source code of this file.

Functions
static void	out_infobits (StringInfo buf, uint8 infobits)
void	heap_desc (StringInfo buf, XLogReaderState *record)
void	heap2_desc (StringInfo buf, XLogReaderState *record)
const char *	heap_identify (uint8 info)
const char *	heap2_identify (uint8 info)

Function Documentation

heap2_desc()

void heap2_desc	(	StringInfo	buf,
		XLogReaderState *	record
	)

Definition at line 118 of file heapdesc.c.

References appendStringInfo(), xl_heap_new_cid::cmax, xl_heap_new_cid::cmin, xl_heap_new_cid::combocid, xl_heap_freeze_page::cutoff_xid, xl_heap_visible::cutoff_xid, RelFileNode::dbNode, xl_heap_multi_insert::flags, xl_heap_lock_updated::flags, xl_heap_visible::flags, xl_heap_lock_updated::infobits_set, ItemPointerGetBlockNumber, ItemPointerGetOffsetNumber, xl_heap_prune::latestRemovedXid, xl_heap_prune::ndead, xl_heap_prune::nredirected, xl_heap_multi_insert::ntuples, xl_heap_freeze_page::ntuples, xl_heap_vacuum::nunused, xl_heap_lock_updated::offnum, out_infobits(), RelFileNode::relNode, RelFileNode::spcNode, xl_heap_new_cid::target_node, xl_heap_new_cid::target_tid, XLOG_HEAP2_FREEZE_PAGE, XLOG_HEAP2_LOCK_UPDATED, XLOG_HEAP2_MULTI_INSERT, XLOG_HEAP2_NEW_CID, XLOG_HEAP2_PRUNE, XLOG_HEAP2_VACUUM, XLOG_HEAP2_VISIBLE, XLOG_HEAP_OPMASK, XLogRecGetData, XLogRecGetInfo, XLR_INFO_MASK, and xl_heap_lock_updated::xmax.

{
    char       *rec = XLogRecGetData(record);
    uint8       info = XLogRecGetInfo(record) & ~XLR_INFO_MASK;

    info &= XLOG_HEAP_OPMASK;
    if (info == XLOG_HEAP2_PRUNE)
    {
        xl_heap_prune *xlrec = (xl_heap_prune *) rec;

        appendStringInfo(buf, "latestRemovedXid %u nredirected %u ndead %u",
                         xlrec->latestRemovedXid,
                         xlrec->nredirected,
                         xlrec->ndead);
    }
    else if (info == XLOG_HEAP2_VACUUM)
    {
        xl_heap_vacuum *xlrec = (xl_heap_vacuum *) rec;

        appendStringInfo(buf, "nunused %u", xlrec->nunused);
    }
    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_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);
    }
}

heap2_identify()

const char* heap2_identify

(

uint8

info

)

Definition at line 229 of file heapdesc.c.

References XLOG_HEAP2_FREEZE_PAGE, XLOG_HEAP2_LOCK_UPDATED, XLOG_HEAP2_MULTI_INSERT, XLOG_HEAP2_NEW_CID, XLOG_HEAP2_PRUNE, XLOG_HEAP2_REWRITE, XLOG_HEAP2_VACUUM, XLOG_HEAP2_VISIBLE, XLOG_HEAP_INIT_PAGE, and XLR_INFO_MASK.

{
    const char *id = NULL;

    switch (info & ~XLR_INFO_MASK)
    {
        case XLOG_HEAP2_PRUNE:
            id = "PRUNE";
            break;
        case XLOG_HEAP2_VACUUM:
            id = "VACUUM";
            break;
        case XLOG_HEAP2_FREEZE_PAGE:
            id = "FREEZE_PAGE";
            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;
}

heap_desc()

void heap_desc	(	StringInfo	buf,
		XLogReaderState *	record
	)

Definition at line 35 of file heapdesc.c.

References appendStringInfo(), appendStringInfoString(), xl_heap_delete::flags, xl_heap_truncate::flags, xl_heap_insert::flags, xl_heap_update::flags, xl_heap_lock::flags, i, xl_heap_delete::infobits_set, xl_heap_lock::infobits_set, xl_heap_lock::locking_xid, xl_heap_update::new_offnum, xl_heap_update::new_xmax, xl_heap_truncate::nrelids, xl_heap_delete::offnum, xl_heap_insert::offnum, xl_heap_lock::offnum, xl_heap_confirm::offnum, xl_heap_inplace::offnum, xl_heap_update::old_infobits_set, xl_heap_update::old_offnum, xl_heap_update::old_xmax, out_infobits(), xl_heap_truncate::relids, XLH_TRUNCATE_CASCADE, XLH_TRUNCATE_RESTART_SEQS, XLOG_HEAP_CONFIRM, XLOG_HEAP_DELETE, XLOG_HEAP_HOT_UPDATE, XLOG_HEAP_INPLACE, XLOG_HEAP_INSERT, XLOG_HEAP_LOCK, XLOG_HEAP_OPMASK, XLOG_HEAP_TRUNCATE, XLOG_HEAP_UPDATE, XLogRecGetData, XLogRecGetInfo, and XLR_INFO_MASK.

{
    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);
    }
}

heap_identify()

const char* heap_identify

(

uint8

info

)

Definition at line 184 of file heapdesc.c.

References XLOG_HEAP_CONFIRM, XLOG_HEAP_DELETE, XLOG_HEAP_HOT_UPDATE, XLOG_HEAP_INIT_PAGE, XLOG_HEAP_INPLACE, XLOG_HEAP_INSERT, XLOG_HEAP_LOCK, XLOG_HEAP_TRUNCATE, XLOG_HEAP_UPDATE, and XLR_INFO_MASK.

{
    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;
}

out_infobits()

static void out_infobits ( StringInfo  buf, uint8  infobits  )

static

Definition at line 20 of file heapdesc.c.

References appendStringInfoString(), XLHL_KEYS_UPDATED, XLHL_XMAX_EXCL_LOCK, XLHL_XMAX_IS_MULTI, XLHL_XMAX_KEYSHR_LOCK, and XLHL_XMAX_LOCK_ONLY.

Referenced by heap2_desc(), and heap_desc().

{
    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 ");
}