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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2008 Sun Microsystems
* Copyright (C) 2010 Joseph Daly
*
* 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef DRIZZLED_STATISTICS_VARIABLES_H
#define DRIZZLED_STATISTICS_VARIABLES_H
namespace drizzled
{
extern struct global_counters current_global_counters;
/*
* These statistics are global and are not per session
* they are not reset once initialized.
*/
typedef struct global_counters
{
uint64_t aborted_threads;
uint64_t aborted_connects;
uint32_t max_used_connections;
uint32_t locks_immediate;
uint32_t locks_waited;
} global_counters;
/*
* These statistics are per session and are reset at the end
* of each session, after being copied into a global
* system_status_var
*/
typedef struct system_status_var
{
uint64_t bytes_received;
uint64_t bytes_sent;
ulong com_other;
ulong created_tmp_disk_tables;
ulong created_tmp_tables;
ulong ha_commit_count;
ulong ha_delete_count;
ulong ha_read_first_count;
ulong ha_read_last_count;
ulong ha_read_key_count;
ulong ha_read_next_count;
ulong ha_read_prev_count;
ulong ha_read_rnd_count;
ulong ha_read_rnd_next_count;
ulong ha_rollback_count;
ulong ha_update_count;
ulong ha_write_count;
ulong ha_prepare_count;
ulong ha_savepoint_count;
ulong ha_savepoint_rollback_count;
/* KEY_CACHE parts. These are copies of the original */
ulong key_blocks_changed;
ulong key_blocks_used;
ulong key_cache_r_requests;
ulong key_cache_read;
ulong key_cache_w_requests;
ulong key_cache_write;
/* END OF KEY_CACHE parts */
ulong select_full_join_count;
ulong select_full_range_join_count;
ulong select_range_count;
ulong select_range_check_count;
ulong select_scan_count;
ulong long_query_count;
ulong filesort_merge_passes;
ulong filesort_range_count;
ulong filesort_rows;
ulong filesort_scan_count;
/*
Number of statements sent from the client
*/
ulong questions;
/*
IMPORTANT!
SEE last_system_status_var DEFINITION BELOW.
Below 'last_system_status_var' are all variables which doesn't make any
sense to add to the /global/ status variable counter.
*/
double last_query_cost;
} system_status_var;
#define last_system_status_var questions
} /* namespace drizzled */
#endif /* DRIZZLED_STATISTICS_VARIABLES_H */
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