Proyectos de Subversion Moodle

<?php
/**
 * Library for basic performance monitoring and tuning
 *
 * This file is part of ADOdb, a Database Abstraction Layer library for PHP.
 *
 * @package ADOdb
 * @link https://adodb.org Project's web site and documentation
 * @link https://github.com/ADOdb/ADOdb Source code and issue tracker
 *
 * The ADOdb Library is dual-licensed, released under both the BSD 3-Clause
 * and the GNU Lesser General Public Licence (LGPL) v2.1 or, at your option,
 * any later version. This means you can use it in proprietary products.
 * See the LICENSE.md file distributed with this source code for details.
 * @license BSD-3-Clause
 * @license LGPL-2.1-or-later
 *
 * @copyright 2000-2013 John Lim
 * @copyright 2014 Damien Regad, Mark Newnham and the ADOdb community
 */

// security - hide paths
if (!defined('ADODB_DIR')) die();

//
// Thx to  Fernando Ortiz, mailto:fortiz#lacorona.com.mx
// With info taken from http://www.oninit.com/oninit/sysmaster/index.html
//
class perf_informix extends adodb_perf{

        // Maximum size on varchar up to 9.30 255 chars
        // better truncate varchar to 255 than char(4000) ?
        var $createTableSQL = "CREATE TABLE adodb_logsql (
                created datetime year to second NOT NULL,
                sql0 varchar(250) NOT NULL,
                sql1 varchar(255) NOT NULL,
                params varchar(255) NOT NULL,
                tracer varchar(255) NOT NULL,
                timer decimal(16,6) NOT NULL
        )";

        var $tablesSQL = "select a.tabname tablename, ti_nptotal*2 size_in_k, ti_nextns extents, ti_nrows records from systables c, sysmaster:systabnames a, sysmaster:systabinfo b where c.tabname not matches 'sys*' and c.partnum = a.partnum and c.partnum = b.ti_partnum";

        var $settings = array(
        'Ratios',
                'data cache hit ratio' => array('RATIOH',
                "select round((1-(wt.value / (rd.value + wr.value)))*100,2)
                from sysmaster:sysprofile wr, sysmaster:sysprofile rd, sysmaster:sysprofile wt
                where rd.name = 'pagreads' and
                wr.name = 'pagwrites' and
                wt.name = 'buffwts'",
                '=WarnCacheRatio'),
        'IO',
                'data reads' => array('IO',
                "select value from sysmaster:sysprofile where name='pagreads'",
                'Page reads'),

                'data writes' => array('IO',
                "select value from sysmaster:sysprofile where name='pagwrites'",
                'Page writes'),

        'Connections',
                'current connections' => array('SESS',
                'select count(*) from sysmaster:syssessions',
                'Number of sessions'),

        false

        );

        function __construct(&$conn)
        {
                $this->conn = $conn;
        }

}