mariadb/storage/innobase/include/dict0stats_bg.ic
2015-05-04 19:17:21 +02:00

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/*****************************************************************************
Copyright (c) 2012, 2013, Oracle and/or its affiliates. All Rights Reserved.
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA
*****************************************************************************/
/**************************************************//**
@file include/dict0stats_bg.ic
Code used for background table and index stats gathering.
Created Feb 8, 2013 Marko Makela
*******************************************************/
/*****************************************************************//**
Request the background collection of statistics to stop for a table.
@retval true when no background process is active
@retval false when it is not safe to modify the table definition */
UNIV_INLINE
bool
dict_stats_stop_bg(
/*===============*/
dict_table_t* table) /*!< in/out: table */
{
ut_ad(!srv_read_only_mode);
ut_ad(mutex_own(&dict_sys->mutex));
if (!(table->stats_bg_flag & BG_STAT_IN_PROGRESS)) {
return(true);
}
table->stats_bg_flag |= BG_STAT_SHOULD_QUIT;
return(false);
}