spgdesc.c File Reference

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

Include dependency graph for spgdesc.c:

Go to the source code of this file.

Functions
static void	out_target (StringInfo buf, RelFileNode node)
void	spg_desc (StringInfo buf, uint8 xl_info, char *rec)

---

Function Documentation

static void out_target	(	StringInfo	buf,
		RelFileNode	node
	)			[static]

Definition at line 20 of file spgdesc.c.

References appendStringInfo(), RelFileNode::dbNode, RelFileNode::relNode, and RelFileNode::spcNode.

Referenced by spg_desc().

{
    appendStringInfo(buf, "rel %u/%u/%u ",
                     node.spcNode, node.dbNode, node.relNode);
}

void spg_desc	(	StringInfo	buf,
		uint8	xl_info,
		char *	rec
	)

Definition at line 27 of file spgdesc.c.

References appendStringInfo(), out_target(), XLOG_SPGIST_ADD_LEAF, XLOG_SPGIST_ADD_NODE, XLOG_SPGIST_CREATE_INDEX, XLOG_SPGIST_MOVE_LEAFS, XLOG_SPGIST_PICKSPLIT, XLOG_SPGIST_SPLIT_TUPLE, XLOG_SPGIST_VACUUM_LEAF, XLOG_SPGIST_VACUUM_REDIRECT, and XLOG_SPGIST_VACUUM_ROOT.

{
    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;
    }
}