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layout as we always had in trees containing only the builtin 2) win\configure.js WITH_INNOBASE_STORAGE_ENGINE still works. storage/innobase/CMakeLists.txt: fix to new directory name (and like 5.1) storage/innobase/Makefile.am: fix to new directory name (and like 5.1) storage/innobase/handler/ha_innodb.cc: fix to new directory name (and like 5.1) storage/innobase/plug.in: fix to new directory name (and like 5.1)
84 lines
2.4 KiB
Text
84 lines
2.4 KiB
Text
/*****************************************************************************
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Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved.
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
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*****************************************************************************/
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/********************************************************************//**
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@file include/btr0sea.ic
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The index tree adaptive search
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Created 2/17/1996 Heikki Tuuri
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*************************************************************************/
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#include "dict0mem.h"
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#include "btr0cur.h"
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#include "buf0buf.h"
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/*********************************************************************//**
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Updates the search info. */
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UNIV_INTERN
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void
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btr_search_info_update_slow(
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/*========================*/
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btr_search_t* info, /*!< in/out: search info */
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btr_cur_t* cursor);/*!< in: cursor which was just positioned */
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/********************************************************************//**
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Returns search info for an index.
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@return search info; search mutex reserved */
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UNIV_INLINE
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btr_search_t*
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btr_search_get_info(
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/*================*/
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dict_index_t* index) /*!< in: index */
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{
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ut_ad(index);
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return(index->search_info);
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}
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/*********************************************************************//**
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Updates the search info. */
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UNIV_INLINE
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void
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btr_search_info_update(
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/*===================*/
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dict_index_t* index, /*!< in: index of the cursor */
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btr_cur_t* cursor) /*!< in: cursor which was just positioned */
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{
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btr_search_t* info;
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#ifdef UNIV_SYNC_DEBUG
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ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_SHARED));
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ut_ad(!rw_lock_own(&btr_search_latch, RW_LOCK_EX));
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#endif /* UNIV_SYNC_DEBUG */
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info = btr_search_get_info(index);
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info->hash_analysis++;
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if (info->hash_analysis < BTR_SEARCH_HASH_ANALYSIS) {
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/* Do nothing */
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return;
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}
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ut_ad(cursor->flag != BTR_CUR_HASH);
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btr_search_info_update_slow(info, cursor);
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}
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