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Server:

Apache

System:

Linux 5.14.0-427.33.1.el9_4.x86_64

PHP Version:

7.4.33

User:

infinio

Directory:

/home/infinio/www/moodle/lib/adodb/perf

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✏️ Editing: perf-informix.inc.php

<?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;
	}

}

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