Drizzled Public API Documentation

ha_statistics.h

00001 /* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
00002  *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
00003  *
00004  *  Copyright (C) 2008 Sun Microsystems, Inc.
00005  *
00006  *  This program is free software; you can redistribute it and/or modify
00007  *  it under the terms of the GNU General Public License as published by
00008  *  the Free Software Foundation; version 2 of the License.
00009  *
00010  *  This program is distributed in the hope that it will be useful,
00011  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013  *  GNU General Public License for more details.
00014  *
00015  *  You should have received a copy of the GNU General Public License
00016  *  along with this program; if not, write to the Free Software
00017  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00018  */
00019 
00020 #pragma once
00021 
00022 #include <drizzled/base.h>
00023 #include <time.h>
00024 
00025 namespace drizzled
00026 {
00027 
00028 class ha_statistics
00029 {
00030 public:
00031   uint64_t data_file_length;    /* Length off data file */
00032   uint64_t max_data_file_length;  /* Length off data file */
00033   uint64_t index_file_length;
00034   uint64_t max_index_file_length;
00035   uint64_t delete_length;   /* Free bytes */
00036   uint64_t auto_increment_value;
00037   /*
00038     The number of records in the table.
00039       0    - means the table has exactly 0 rows
00040     other  - if (table_flags() & HA_STATS_RECORDS_IS_EXACT)
00041                the value is the exact number of records in the table
00042              else
00043                it is an estimate
00044   */
00045   ha_rows records;
00046   ha_rows deleted;      /* Deleted records */
00047   uint32_t mean_rec_length;   /* physical reclength */
00048   uint32_t block_size;      /* index block size */
00049   time_t create_time;     /* When table was created */
00050   time_t check_time;
00051   time_t update_time;
00052 
00053   ha_statistics():
00054     data_file_length(0), max_data_file_length(0),
00055     index_file_length(0), delete_length(0), auto_increment_value(0),
00056     records(0), deleted(0), mean_rec_length(0), block_size(0),
00057     create_time(0), check_time(0), update_time(0)
00058   {}
00059 };
00060 
00061 } /* namespace drizzled */
00062