161 lines
3.9 KiB
C
161 lines
3.9 KiB
C
/*-------------------------------------------------------------------------
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*
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* nbtdesc.c
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* rmgr descriptor routines for access/nbtree/nbtxlog.c
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*
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* Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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*
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* IDENTIFICATION
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* src/backend/access/rmgrdesc/nbtdesc.c
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*
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*-------------------------------------------------------------------------
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*/
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#include "postgres.h"
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#include "access/nbtxlog.h"
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void
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btree_desc(StringInfo buf, XLogReaderState *record)
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{
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char *rec = XLogRecGetData(record);
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uint8 info = XLogRecGetInfo(record) & ~XLR_INFO_MASK;
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switch (info)
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{
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case XLOG_BTREE_INSERT_LEAF:
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case XLOG_BTREE_INSERT_UPPER:
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case XLOG_BTREE_INSERT_META:
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{
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xl_btree_insert *xlrec = (xl_btree_insert *) rec;
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appendStringInfo(buf, "off %u", xlrec->offnum);
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break;
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}
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case XLOG_BTREE_SPLIT_L:
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case XLOG_BTREE_SPLIT_R:
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{
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xl_btree_split *xlrec = (xl_btree_split *) rec;
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appendStringInfo(buf, "level %u, firstright %d, newitemoff %d",
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xlrec->level, xlrec->firstright, xlrec->newitemoff);
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break;
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}
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case XLOG_BTREE_VACUUM:
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{
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xl_btree_vacuum *xlrec = (xl_btree_vacuum *) rec;
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appendStringInfo(buf, "ndeleted %u", xlrec->ndeleted);
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break;
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}
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case XLOG_BTREE_DELETE:
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{
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xl_btree_delete *xlrec = (xl_btree_delete *) rec;
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appendStringInfo(buf, "latestRemovedXid %u; ndeleted %u",
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xlrec->latestRemovedXid, xlrec->ndeleted);
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break;
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}
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case XLOG_BTREE_MARK_PAGE_HALFDEAD:
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{
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xl_btree_mark_page_halfdead *xlrec = (xl_btree_mark_page_halfdead *) rec;
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appendStringInfo(buf, "topparent %u; leaf %u; left %u; right %u",
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xlrec->topparent, xlrec->leafblk, xlrec->leftblk, xlrec->rightblk);
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break;
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}
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case XLOG_BTREE_UNLINK_PAGE_META:
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case XLOG_BTREE_UNLINK_PAGE:
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{
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xl_btree_unlink_page *xlrec = (xl_btree_unlink_page *) rec;
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appendStringInfo(buf, "left %u; right %u; btpo_xact %u; ",
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xlrec->leftsib, xlrec->rightsib,
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xlrec->btpo_xact);
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appendStringInfo(buf, "leafleft %u; leafright %u; topparent %u",
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xlrec->leafleftsib, xlrec->leafrightsib,
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xlrec->topparent);
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break;
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}
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case XLOG_BTREE_NEWROOT:
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{
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xl_btree_newroot *xlrec = (xl_btree_newroot *) rec;
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appendStringInfo(buf, "lev %u", xlrec->level);
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break;
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}
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case XLOG_BTREE_REUSE_PAGE:
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{
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xl_btree_reuse_page *xlrec = (xl_btree_reuse_page *) rec;
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appendStringInfo(buf, "rel %u/%u/%u; latestRemovedXid %u",
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xlrec->node.spcNode, xlrec->node.dbNode,
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xlrec->node.relNode, xlrec->latestRemovedXid);
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break;
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}
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case XLOG_BTREE_META_CLEANUP:
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{
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xl_btree_metadata *xlrec;
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xlrec = (xl_btree_metadata *) XLogRecGetBlockData(record, 0,
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NULL);
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appendStringInfo(buf, "oldest_btpo_xact %u; last_cleanup_num_heap_tuples: %f",
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xlrec->oldest_btpo_xact,
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xlrec->last_cleanup_num_heap_tuples);
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break;
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}
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}
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}
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const char *
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btree_identify(uint8 info)
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{
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const char *id = NULL;
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switch (info & ~XLR_INFO_MASK)
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{
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case XLOG_BTREE_INSERT_LEAF:
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id = "INSERT_LEAF";
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break;
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case XLOG_BTREE_INSERT_UPPER:
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id = "INSERT_UPPER";
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break;
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case XLOG_BTREE_INSERT_META:
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id = "INSERT_META";
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break;
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case XLOG_BTREE_SPLIT_L:
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id = "SPLIT_L";
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break;
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case XLOG_BTREE_SPLIT_R:
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id = "SPLIT_R";
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break;
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case XLOG_BTREE_VACUUM:
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id = "VACUUM";
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break;
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case XLOG_BTREE_DELETE:
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id = "DELETE";
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break;
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case XLOG_BTREE_MARK_PAGE_HALFDEAD:
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id = "MARK_PAGE_HALFDEAD";
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break;
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case XLOG_BTREE_UNLINK_PAGE:
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id = "UNLINK_PAGE";
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break;
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case XLOG_BTREE_UNLINK_PAGE_META:
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id = "UNLINK_PAGE_META";
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break;
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case XLOG_BTREE_NEWROOT:
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id = "NEWROOT";
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break;
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case XLOG_BTREE_REUSE_PAGE:
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id = "REUSE_PAGE";
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break;
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case XLOG_BTREE_META_CLEANUP:
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id = "META_CLEANUP";
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break;
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}
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return id;
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}
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