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59 lines
2.1 KiB
C
59 lines
2.1 KiB
C
/*****************************************************************************
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Copyright (c) 2012, 2017, Oracle and/or its affiliates. All Rights Reserved.
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Copyright (c) 2017, 2022, MariaDB Corporation.
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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.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA
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*****************************************************************************/
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/**************************************************//**
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@file include/dict0stats_bg.h
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Code used for background table and index stats gathering.
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Created Apr 26, 2012 Vasil Dimov
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*******************************************************/
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#ifndef dict0stats_bg_h
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#define dict0stats_bg_h
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#include "dict0types.h"
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#ifdef HAVE_PSI_INTERFACE
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extern mysql_pfs_key_t recalc_pool_mutex_key;
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#endif /* HAVE_PSI_INTERFACE */
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/** Delete a table from the auto recalc pool, and ensure that
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no statistics are being updated on it. */
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void dict_stats_recalc_pool_del(table_id_t id, bool have_mdl_exclusive);
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/*****************************************************************//**
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Initialize global variables needed for the operation of dict_stats_thread().
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Must be called before dict_stats task is started. */
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void dict_stats_init();
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/*****************************************************************//**
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Free resources allocated by dict_stats_thread_init(), must be called
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after dict_stats task has exited. */
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void dict_stats_deinit();
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/** Start the dict stats timer. */
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void dict_stats_start();
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/** Shut down the dict_stats timer. */
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void dict_stats_shutdown();
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/** Reschedule dict stats timer to run now. */
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void dict_stats_schedule_now();
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#endif /* dict0stats_bg_h */
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