Import BSDDB 4.7.25 (as of svn r89086)
This commit is contained in:
656
btree/bt_stat.c
Normal file
656
btree/bt_stat.c
Normal file
@@ -0,0 +1,656 @@
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/*-
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* See the file LICENSE for redistribution information.
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*
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* Copyright (c) 1996,2008 Oracle. All rights reserved.
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*
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* $Id: bt_stat.c 63573 2008-05-23 21:43:21Z trent.nelson $
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*/
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#include "db_config.h"
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#include "db_int.h"
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#include "dbinc/db_page.h"
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#include "dbinc/btree.h"
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#include "dbinc/lock.h"
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#include "dbinc/mp.h"
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#ifdef HAVE_STATISTICS
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/*
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* __bam_stat --
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* Gather/print the btree statistics
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*
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* PUBLIC: int __bam_stat __P((DBC *, void *, u_int32_t));
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*/
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int
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__bam_stat(dbc, spp, flags)
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DBC *dbc;
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void *spp;
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u_int32_t flags;
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{
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BTMETA *meta;
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BTREE *t;
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BTREE_CURSOR *cp;
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DB *dbp;
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DB_BTREE_STAT *sp;
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DB_LOCK lock, metalock;
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DB_MPOOLFILE *mpf;
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ENV *env;
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PAGE *h;
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db_pgno_t pgno;
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int ret, t_ret, write_meta;
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dbp = dbc->dbp;
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env = dbp->env;
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meta = NULL;
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t = dbp->bt_internal;
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sp = NULL;
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LOCK_INIT(metalock);
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LOCK_INIT(lock);
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mpf = dbp->mpf;
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h = NULL;
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ret = write_meta = 0;
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cp = (BTREE_CURSOR *)dbc->internal;
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/* Allocate and clear the structure. */
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if ((ret = __os_umalloc(env, sizeof(*sp), &sp)) != 0)
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goto err;
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memset(sp, 0, sizeof(*sp));
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/* Get the metadata page for the entire database. */
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pgno = PGNO_BASE_MD;
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if ((ret = __db_lget(dbc, 0, pgno, DB_LOCK_READ, 0, &metalock)) != 0)
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goto err;
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if ((ret = __memp_fget(mpf, &pgno,
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dbc->thread_info, dbc->txn, 0, &meta)) != 0)
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goto err;
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if (flags == DB_FAST_STAT)
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goto meta_only;
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/* Walk the metadata free list, counting pages. */
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for (sp->bt_free = 0, pgno = meta->dbmeta.free; pgno != PGNO_INVALID;) {
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++sp->bt_free;
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if ((ret = __memp_fget(mpf, &pgno,
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dbc->thread_info, dbc->txn, 0, &h)) != 0)
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goto err;
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pgno = h->next_pgno;
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if ((ret = __memp_fput(mpf,
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dbc->thread_info, h, dbc->priority)) != 0)
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goto err;
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h = NULL;
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}
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/* Get the root page. */
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pgno = cp->root;
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if ((ret = __db_lget(dbc, 0, pgno, DB_LOCK_READ, 0, &lock)) != 0)
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goto err;
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if ((ret = __memp_fget(mpf, &pgno,
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dbc->thread_info, dbc->txn, 0, &h)) != 0)
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goto err;
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/* Get the levels from the root page. */
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sp->bt_levels = h->level;
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/* Discard the root page. */
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ret = __memp_fput(mpf, dbc->thread_info, h, dbc->priority);
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h = NULL;
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if ((t_ret = __LPUT(dbc, lock)) != 0 && ret == 0)
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ret = t_ret;
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if (ret != 0)
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goto err;
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/* Walk the tree. */
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if ((ret = __bam_traverse(dbc,
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DB_LOCK_READ, cp->root, __bam_stat_callback, sp)) != 0)
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goto err;
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/*
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* Get the subdatabase metadata page if it's not the same as the
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* one we already have.
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*/
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write_meta = !F_ISSET(dbp, DB_AM_RDONLY) &&
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(!MULTIVERSION(dbp) || dbc->txn != NULL);
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meta_only:
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if (t->bt_meta != PGNO_BASE_MD || write_meta) {
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ret = __memp_fput(mpf, dbc->thread_info, meta, dbc->priority);
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meta = NULL;
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if ((t_ret = __LPUT(dbc, metalock)) != 0 && ret == 0)
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ret = t_ret;
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if (ret != 0)
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goto err;
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if ((ret = __db_lget(dbc,
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0, t->bt_meta, write_meta ? DB_LOCK_WRITE : DB_LOCK_READ,
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0, &metalock)) != 0)
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goto err;
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if ((ret = __memp_fget(mpf, &t->bt_meta,
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dbc->thread_info, dbc->txn,
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write_meta ? DB_MPOOL_DIRTY : 0, &meta)) != 0)
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goto err;
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}
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if (flags == DB_FAST_STAT) {
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if (dbp->type == DB_RECNO ||
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(dbp->type == DB_BTREE && F_ISSET(dbp, DB_AM_RECNUM))) {
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if ((ret = __db_lget(dbc, 0,
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cp->root, DB_LOCK_READ, 0, &lock)) != 0)
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goto err;
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if ((ret = __memp_fget(mpf, &cp->root,
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dbc->thread_info, dbc->txn, 0, &h)) != 0)
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goto err;
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sp->bt_nkeys = RE_NREC(h);
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} else
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sp->bt_nkeys = meta->dbmeta.key_count;
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sp->bt_ndata = dbp->type == DB_RECNO ?
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sp->bt_nkeys : meta->dbmeta.record_count;
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}
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/* Get metadata page statistics. */
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sp->bt_metaflags = meta->dbmeta.flags;
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sp->bt_minkey = meta->minkey;
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sp->bt_re_len = meta->re_len;
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sp->bt_re_pad = meta->re_pad;
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/*
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* Don't take the page number from the meta-data page -- that value is
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* only maintained in the primary database, we may have been called on
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* a subdatabase. (Yes, I read the primary database meta-data page
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* earlier in this function, but I'm asking the underlying cache so the
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* code for the Hash and Btree methods is the same.)
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*/
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if ((ret = __memp_get_last_pgno(dbp->mpf, &pgno)) != 0)
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goto err;
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sp->bt_pagecnt = pgno + 1;
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sp->bt_pagesize = meta->dbmeta.pagesize;
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sp->bt_magic = meta->dbmeta.magic;
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sp->bt_version = meta->dbmeta.version;
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if (write_meta != 0) {
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meta->dbmeta.key_count = sp->bt_nkeys;
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meta->dbmeta.record_count = sp->bt_ndata;
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}
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*(DB_BTREE_STAT **)spp = sp;
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err: /* Discard the second page. */
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if ((t_ret = __LPUT(dbc, lock)) != 0 && ret == 0)
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ret = t_ret;
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if (h != NULL && (t_ret = __memp_fput(mpf,
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dbc->thread_info, h, dbc->priority)) != 0 && ret == 0)
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ret = t_ret;
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/* Discard the metadata page. */
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if ((t_ret = __LPUT(dbc, metalock)) != 0 && ret == 0)
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ret = t_ret;
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if (meta != NULL && (t_ret = __memp_fput(mpf,
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dbc->thread_info, meta, dbc->priority)) != 0 && ret == 0)
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ret = t_ret;
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if (ret != 0 && sp != NULL) {
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__os_ufree(env, sp);
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*(DB_BTREE_STAT **)spp = NULL;
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}
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return (ret);
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}
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/*
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* __bam_stat_print --
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* Display btree/recno statistics.
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*
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* PUBLIC: int __bam_stat_print __P((DBC *, u_int32_t));
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*/
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int
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__bam_stat_print(dbc, flags)
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DBC *dbc;
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u_int32_t flags;
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{
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static const FN fn[] = {
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{ BTM_DUP, "duplicates" },
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{ BTM_RECNO, "recno" },
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{ BTM_RECNUM, "record-numbers" },
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{ BTM_FIXEDLEN, "fixed-length" },
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{ BTM_RENUMBER, "renumber" },
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{ BTM_SUBDB, "multiple-databases" },
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{ BTM_DUPSORT, "sorted duplicates" },
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{ 0, NULL }
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};
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DB *dbp;
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DB_BTREE_STAT *sp;
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ENV *env;
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int lorder, ret;
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const char *s;
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dbp = dbc->dbp;
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env = dbp->env;
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if ((ret = __bam_stat(dbc, &sp, LF_ISSET(DB_FAST_STAT))) != 0)
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return (ret);
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if (LF_ISSET(DB_STAT_ALL)) {
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__db_msg(env, "%s", DB_GLOBAL(db_line));
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__db_msg(env, "Default Btree/Recno database information:");
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}
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__db_msg(env, "%lx\tBtree magic number", (u_long)sp->bt_magic);
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__db_msg(env, "%lu\tBtree version number", (u_long)sp->bt_version);
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(void)__db_get_lorder(dbp, &lorder);
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switch (lorder) {
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case 1234:
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s = "Little-endian";
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break;
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case 4321:
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s = "Big-endian";
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break;
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default:
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s = "Unrecognized byte order";
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break;
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}
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__db_msg(env, "%s\tByte order", s);
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__db_prflags(env, NULL, sp->bt_metaflags, fn, NULL, "\tFlags");
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if (dbp->type == DB_BTREE)
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__db_dl(env, "Minimum keys per-page", (u_long)sp->bt_minkey);
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if (dbp->type == DB_RECNO) {
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__db_dl(env,
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"Fixed-length record size", (u_long)sp->bt_re_len);
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__db_msg(env,
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"%#x\tFixed-length record pad", (u_int)sp->bt_re_pad);
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}
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__db_dl(env,
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"Underlying database page size", (u_long)sp->bt_pagesize);
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if (dbp->type == DB_BTREE)
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__db_dl(env, "Overflow key/data size",
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((BTREE_CURSOR *)dbc->internal)->ovflsize);
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__db_dl(env, "Number of levels in the tree", (u_long)sp->bt_levels);
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__db_dl(env, dbp->type == DB_BTREE ?
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"Number of unique keys in the tree" :
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"Number of records in the tree", (u_long)sp->bt_nkeys);
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__db_dl(env,
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"Number of data items in the tree", (u_long)sp->bt_ndata);
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__db_dl(env,
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"Number of tree internal pages", (u_long)sp->bt_int_pg);
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__db_dl_pct(env,
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"Number of bytes free in tree internal pages",
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(u_long)sp->bt_int_pgfree,
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DB_PCT_PG(sp->bt_int_pgfree, sp->bt_int_pg, sp->bt_pagesize), "ff");
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__db_dl(env,
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"Number of tree leaf pages", (u_long)sp->bt_leaf_pg);
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__db_dl_pct(env, "Number of bytes free in tree leaf pages",
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||||
(u_long)sp->bt_leaf_pgfree, DB_PCT_PG(
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sp->bt_leaf_pgfree, sp->bt_leaf_pg, sp->bt_pagesize), "ff");
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||||
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__db_dl(env,
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||||
"Number of tree duplicate pages", (u_long)sp->bt_dup_pg);
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||||
__db_dl_pct(env,
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"Number of bytes free in tree duplicate pages",
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||||
(u_long)sp->bt_dup_pgfree,
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DB_PCT_PG(sp->bt_dup_pgfree, sp->bt_dup_pg, sp->bt_pagesize), "ff");
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||||
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||||
__db_dl(env,
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"Number of tree overflow pages", (u_long)sp->bt_over_pg);
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||||
__db_dl_pct(env, "Number of bytes free in tree overflow pages",
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||||
(u_long)sp->bt_over_pgfree, DB_PCT_PG(
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||||
sp->bt_over_pgfree, sp->bt_over_pg, sp->bt_pagesize), "ff");
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||||
__db_dl(env, "Number of empty pages", (u_long)sp->bt_empty_pg);
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||||
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||||
__db_dl(env, "Number of pages on the free list", (u_long)sp->bt_free);
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||||
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||||
__os_ufree(env, sp);
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||||
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||||
return (0);
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||||
}
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||||
|
||||
/*
|
||||
* __bam_stat_callback --
|
||||
* Statistics callback.
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||||
*
|
||||
* PUBLIC: int __bam_stat_callback __P((DBC *, PAGE *, void *, int *));
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||||
*/
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||||
int
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||||
__bam_stat_callback(dbc, h, cookie, putp)
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||||
DBC *dbc;
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||||
PAGE *h;
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||||
void *cookie;
|
||||
int *putp;
|
||||
{
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||||
DB *dbp;
|
||||
DB_BTREE_STAT *sp;
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||||
db_indx_t indx, *inp, top;
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||||
u_int8_t type;
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||||
|
||||
dbp = dbc->dbp;
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sp = cookie;
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||||
*putp = 0;
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||||
top = NUM_ENT(h);
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||||
inp = P_INP(dbp, h);
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||||
|
||||
switch (TYPE(h)) {
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||||
case P_IBTREE:
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||||
case P_IRECNO:
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||||
++sp->bt_int_pg;
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||||
sp->bt_int_pgfree += P_FREESPACE(dbp, h);
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||||
break;
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||||
case P_LBTREE:
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||||
if (top == 0)
|
||||
++sp->bt_empty_pg;
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||||
|
||||
/* Correct for on-page duplicates and deleted items. */
|
||||
for (indx = 0; indx < top; indx += P_INDX) {
|
||||
type = GET_BKEYDATA(dbp, h, indx + O_INDX)->type;
|
||||
/* Ignore deleted items. */
|
||||
if (B_DISSET(type))
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||||
continue;
|
||||
|
||||
/* Ignore duplicate keys. */
|
||||
if (indx + P_INDX >= top ||
|
||||
inp[indx] != inp[indx + P_INDX])
|
||||
++sp->bt_nkeys;
|
||||
|
||||
/* Ignore off-page duplicates. */
|
||||
if (B_TYPE(type) != B_DUPLICATE)
|
||||
++sp->bt_ndata;
|
||||
}
|
||||
|
||||
++sp->bt_leaf_pg;
|
||||
sp->bt_leaf_pgfree += P_FREESPACE(dbp, h);
|
||||
break;
|
||||
case P_LRECNO:
|
||||
if (top == 0)
|
||||
++sp->bt_empty_pg;
|
||||
|
||||
/*
|
||||
* If walking a recno tree, then each of these items is a key.
|
||||
* Otherwise, we're walking an off-page duplicate set.
|
||||
*/
|
||||
if (dbp->type == DB_RECNO) {
|
||||
/*
|
||||
* Correct for deleted items in non-renumbering Recno
|
||||
* databases.
|
||||
*/
|
||||
if (F_ISSET(dbp, DB_AM_RENUMBER)) {
|
||||
sp->bt_nkeys += top;
|
||||
sp->bt_ndata += top;
|
||||
} else
|
||||
for (indx = 0; indx < top; indx += O_INDX) {
|
||||
type = GET_BKEYDATA(dbp, h, indx)->type;
|
||||
if (!B_DISSET(type)) {
|
||||
++sp->bt_ndata;
|
||||
++sp->bt_nkeys;
|
||||
}
|
||||
}
|
||||
|
||||
++sp->bt_leaf_pg;
|
||||
sp->bt_leaf_pgfree += P_FREESPACE(dbp, h);
|
||||
} else {
|
||||
sp->bt_ndata += top;
|
||||
|
||||
++sp->bt_dup_pg;
|
||||
sp->bt_dup_pgfree += P_FREESPACE(dbp, h);
|
||||
}
|
||||
break;
|
||||
case P_LDUP:
|
||||
if (top == 0)
|
||||
++sp->bt_empty_pg;
|
||||
|
||||
/* Correct for deleted items. */
|
||||
for (indx = 0; indx < top; indx += O_INDX)
|
||||
if (!B_DISSET(GET_BKEYDATA(dbp, h, indx)->type))
|
||||
++sp->bt_ndata;
|
||||
|
||||
++sp->bt_dup_pg;
|
||||
sp->bt_dup_pgfree += P_FREESPACE(dbp, h);
|
||||
break;
|
||||
case P_OVERFLOW:
|
||||
++sp->bt_over_pg;
|
||||
sp->bt_over_pgfree += P_OVFLSPACE(dbp, dbp->pgsize, h);
|
||||
break;
|
||||
default:
|
||||
return (__db_pgfmt(dbp->env, h->pgno));
|
||||
}
|
||||
return (0);
|
||||
}
|
||||
|
||||
/*
|
||||
* __bam_print_cursor --
|
||||
* Display the current internal cursor.
|
||||
*
|
||||
* PUBLIC: void __bam_print_cursor __P((DBC *));
|
||||
*/
|
||||
void
|
||||
__bam_print_cursor(dbc)
|
||||
DBC *dbc;
|
||||
{
|
||||
static const FN fn[] = {
|
||||
{ C_DELETED, "C_DELETED" },
|
||||
{ C_RECNUM, "C_RECNUM" },
|
||||
{ C_RENUMBER, "C_RENUMBER" },
|
||||
{ 0, NULL }
|
||||
};
|
||||
ENV *env;
|
||||
BTREE_CURSOR *cp;
|
||||
|
||||
env = dbc->env;
|
||||
cp = (BTREE_CURSOR *)dbc->internal;
|
||||
|
||||
STAT_ULONG("Overflow size", cp->ovflsize);
|
||||
if (dbc->dbtype == DB_RECNO)
|
||||
STAT_ULONG("Recno", cp->recno);
|
||||
STAT_ULONG("Order", cp->order);
|
||||
__db_prflags(env, NULL, cp->flags, fn, NULL, "\tInternal Flags");
|
||||
}
|
||||
|
||||
#else /* !HAVE_STATISTICS */
|
||||
|
||||
int
|
||||
__bam_stat(dbc, spp, flags)
|
||||
DBC *dbc;
|
||||
void *spp;
|
||||
u_int32_t flags;
|
||||
{
|
||||
COMPQUIET(spp, NULL);
|
||||
COMPQUIET(flags, 0);
|
||||
|
||||
return (__db_stat_not_built(dbc->env));
|
||||
}
|
||||
|
||||
int
|
||||
__bam_stat_print(dbc, flags)
|
||||
DBC *dbc;
|
||||
u_int32_t flags;
|
||||
{
|
||||
COMPQUIET(flags, 0);
|
||||
|
||||
return (__db_stat_not_built(dbc->env));
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifndef HAVE_BREW
|
||||
/*
|
||||
* __bam_key_range --
|
||||
* Return proportion of keys relative to given key. The numbers are
|
||||
* slightly skewed due to on page duplicates.
|
||||
*
|
||||
* PUBLIC: int __bam_key_range __P((DBC *, DBT *, DB_KEY_RANGE *, u_int32_t));
|
||||
*/
|
||||
int
|
||||
__bam_key_range(dbc, dbt, kp, flags)
|
||||
DBC *dbc;
|
||||
DBT *dbt;
|
||||
DB_KEY_RANGE *kp;
|
||||
u_int32_t flags;
|
||||
{
|
||||
BTREE_CURSOR *cp;
|
||||
EPG *sp;
|
||||
double factor;
|
||||
int exact, ret;
|
||||
|
||||
COMPQUIET(flags, 0);
|
||||
|
||||
if ((ret = __bam_search(dbc, PGNO_INVALID,
|
||||
dbt, SR_STK_ONLY, 1, NULL, &exact)) != 0)
|
||||
return (ret);
|
||||
|
||||
cp = (BTREE_CURSOR *)dbc->internal;
|
||||
kp->less = kp->greater = 0.0;
|
||||
|
||||
factor = 1.0;
|
||||
|
||||
/* Correct the leaf page. */
|
||||
cp->csp->entries /= 2;
|
||||
cp->csp->indx /= 2;
|
||||
for (sp = cp->sp; sp <= cp->csp; ++sp) {
|
||||
/*
|
||||
* At each level we know that pages greater than indx contain
|
||||
* keys greater than what we are looking for and those less
|
||||
* than indx are less than. The one pointed to by indx may
|
||||
* have some less, some greater or even equal. If indx is
|
||||
* equal to the number of entries, then the key is out of range
|
||||
* and everything is less.
|
||||
*/
|
||||
if (sp->indx == 0)
|
||||
kp->greater += factor * (sp->entries - 1)/sp->entries;
|
||||
else if (sp->indx == sp->entries)
|
||||
kp->less += factor;
|
||||
else {
|
||||
kp->less += factor * sp->indx / sp->entries;
|
||||
kp->greater += factor *
|
||||
((sp->entries - sp->indx) - 1) / sp->entries;
|
||||
}
|
||||
factor *= 1.0/sp->entries;
|
||||
}
|
||||
|
||||
/*
|
||||
* If there was an exact match then assign 1 n'th to the key itself.
|
||||
* Otherwise that factor belongs to those greater than the key, unless
|
||||
* the key was out of range.
|
||||
*/
|
||||
if (exact)
|
||||
kp->equal = factor;
|
||||
else {
|
||||
if (kp->less != 1)
|
||||
kp->greater += factor;
|
||||
kp->equal = 0;
|
||||
}
|
||||
|
||||
BT_STK_CLR(cp);
|
||||
|
||||
return (0);
|
||||
}
|
||||
#endif
|
||||
|
||||
/*
|
||||
* __bam_traverse --
|
||||
* Walk a Btree database.
|
||||
*
|
||||
* PUBLIC: int __bam_traverse __P((DBC *, db_lockmode_t,
|
||||
* PUBLIC: db_pgno_t, int (*)(DBC *, PAGE *, void *, int *), void *));
|
||||
*/
|
||||
int
|
||||
__bam_traverse(dbc, mode, root_pgno, callback, cookie)
|
||||
DBC *dbc;
|
||||
db_lockmode_t mode;
|
||||
db_pgno_t root_pgno;
|
||||
int (*callback)__P((DBC *, PAGE *, void *, int *));
|
||||
void *cookie;
|
||||
{
|
||||
BINTERNAL *bi;
|
||||
BKEYDATA *bk;
|
||||
DB *dbp;
|
||||
DB_LOCK lock;
|
||||
DB_MPOOLFILE *mpf;
|
||||
PAGE *h;
|
||||
RINTERNAL *ri;
|
||||
db_indx_t indx, *inp;
|
||||
int already_put, ret, t_ret;
|
||||
|
||||
dbp = dbc->dbp;
|
||||
mpf = dbp->mpf;
|
||||
already_put = 0;
|
||||
|
||||
if ((ret = __db_lget(dbc, 0, root_pgno, mode, 0, &lock)) != 0)
|
||||
return (ret);
|
||||
if ((ret = __memp_fget(mpf, &root_pgno,
|
||||
dbc->thread_info, dbc->txn, 0, &h)) != 0) {
|
||||
(void)__TLPUT(dbc, lock);
|
||||
return (ret);
|
||||
}
|
||||
|
||||
switch (TYPE(h)) {
|
||||
case P_IBTREE:
|
||||
for (indx = 0; indx < NUM_ENT(h); indx += O_INDX) {
|
||||
bi = GET_BINTERNAL(dbp, h, indx);
|
||||
if (B_TYPE(bi->type) == B_OVERFLOW &&
|
||||
(ret = __db_traverse_big(dbc,
|
||||
((BOVERFLOW *)bi->data)->pgno,
|
||||
callback, cookie)) != 0)
|
||||
goto err;
|
||||
if ((ret = __bam_traverse(
|
||||
dbc, mode, bi->pgno, callback, cookie)) != 0)
|
||||
goto err;
|
||||
}
|
||||
break;
|
||||
case P_IRECNO:
|
||||
for (indx = 0; indx < NUM_ENT(h); indx += O_INDX) {
|
||||
ri = GET_RINTERNAL(dbp, h, indx);
|
||||
if ((ret = __bam_traverse(
|
||||
dbc, mode, ri->pgno, callback, cookie)) != 0)
|
||||
goto err;
|
||||
}
|
||||
break;
|
||||
case P_LBTREE:
|
||||
inp = P_INP(dbp, h);
|
||||
for (indx = 0; indx < NUM_ENT(h); indx += P_INDX) {
|
||||
bk = GET_BKEYDATA(dbp, h, indx);
|
||||
if (B_TYPE(bk->type) == B_OVERFLOW &&
|
||||
(indx + P_INDX >= NUM_ENT(h) ||
|
||||
inp[indx] != inp[indx + P_INDX])) {
|
||||
if ((ret = __db_traverse_big(dbc,
|
||||
GET_BOVERFLOW(dbp, h, indx)->pgno,
|
||||
callback, cookie)) != 0)
|
||||
goto err;
|
||||
}
|
||||
bk = GET_BKEYDATA(dbp, h, indx + O_INDX);
|
||||
if (B_TYPE(bk->type) == B_DUPLICATE &&
|
||||
(ret = __bam_traverse(dbc, mode,
|
||||
GET_BOVERFLOW(dbp, h, indx + O_INDX)->pgno,
|
||||
callback, cookie)) != 0)
|
||||
goto err;
|
||||
if (B_TYPE(bk->type) == B_OVERFLOW &&
|
||||
(ret = __db_traverse_big(dbc,
|
||||
GET_BOVERFLOW(dbp, h, indx + O_INDX)->pgno,
|
||||
callback, cookie)) != 0)
|
||||
goto err;
|
||||
}
|
||||
break;
|
||||
case P_LDUP:
|
||||
case P_LRECNO:
|
||||
for (indx = 0; indx < NUM_ENT(h); indx += O_INDX) {
|
||||
bk = GET_BKEYDATA(dbp, h, indx);
|
||||
if (B_TYPE(bk->type) == B_OVERFLOW &&
|
||||
(ret = __db_traverse_big(dbc,
|
||||
GET_BOVERFLOW(dbp, h, indx)->pgno,
|
||||
callback, cookie)) != 0)
|
||||
goto err;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
return (__db_pgfmt(dbp->env, h->pgno));
|
||||
}
|
||||
|
||||
ret = callback(dbc, h, cookie, &already_put);
|
||||
|
||||
err: if (!already_put && (t_ret = __memp_fput(mpf,
|
||||
dbc->thread_info, h, dbc->priority)) != 0 && ret == 0)
|
||||
ret = t_ret;
|
||||
if ((t_ret = __TLPUT(dbc, lock)) != 0 && ret == 0)
|
||||
ret = t_ret;
|
||||
|
||||
return (ret);
|
||||
}
|
||||
Reference in New Issue
Block a user