1082 lines
31 KiB
PHP
1082 lines
31 KiB
PHP
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<?php
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/**
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* performance monitoring and tuning.
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*
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* This file is part of ADOdb, a Database Abstraction Layer library for PHP.
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*
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* @package ADOdb
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* @link https://adodb.org Project's web site and documentation
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* @link https://github.com/ADOdb/ADOdb Source code and issue tracker
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*
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* The ADOdb Library is dual-licensed, released under both the BSD 3-Clause
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* and the GNU Lesser General Public Licence (LGPL) v2.1 or, at your option,
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* any later version. This means you can use it in proprietary products.
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* See the LICENSE.md file distributed with this source code for details.
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* @license BSD-3-Clause
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* @license LGPL-2.1-or-later
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*
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* @copyright 2000-2013 John Lim
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* @copyright 2014 Damien Regad, Mark Newnham and the ADOdb community
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*/
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if (!defined('ADODB_DIR')) include_once(dirname(__FILE__).'/adodb.inc.php');
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include_once(ADODB_DIR.'/tohtml.inc.php');
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define( 'ADODB_OPT_HIGH', 2);
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define( 'ADODB_OPT_LOW', 1);
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global $ADODB_PERF_MIN;
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$ADODB_PERF_MIN = 0.05; // log only if >= minimum number of secs to run
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// returns in K the memory of current process, or 0 if not known
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function adodb_getmem()
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{
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if (function_exists('memory_get_usage'))
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return (integer) ((memory_get_usage()+512)/1024);
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$pid = getmypid();
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if ( strncmp(strtoupper(PHP_OS),'WIN',3)==0) {
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$output = array();
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exec('tasklist /FI "PID eq ' . $pid. '" /FO LIST', $output);
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return substr($output[5], strpos($output[5], ':') + 1);
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}
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/* Hopefully UNIX */
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exec("ps --pid $pid --no-headers -o%mem,size", $output);
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if (sizeof($output) == 0) return 0;
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$memarr = explode(' ',$output[0]);
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if (sizeof($memarr)>=2) return (integer) $memarr[1];
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return 0;
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}
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// avoids localization problems where , is used instead of .
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function adodb_round($n,$prec)
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{
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return number_format($n, $prec, '.', '');
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}
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/* obsolete: return microtime value as a float. Retained for backward compat */
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function adodb_microtime()
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{
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return microtime(true);
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}
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/* sql code timing */
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function adodb_log_sql(&$connx,$sql,$inputarr)
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{
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$perf_table = adodb_perf::table();
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$connx->fnExecute = false;
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$a0 = microtime(true);
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$rs = $connx->Execute($sql,$inputarr);
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$a1 = microtime(true);
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if (!empty($connx->_logsql) && (empty($connx->_logsqlErrors) || !$rs)) {
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global $ADODB_LOG_CONN;
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if (!empty($ADODB_LOG_CONN)) {
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$conn = $ADODB_LOG_CONN;
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if ($conn->databaseType != $connx->databaseType)
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$prefix = '/*dbx='.$connx->databaseType .'*/ ';
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else
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$prefix = '';
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} else {
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$conn = $connx;
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$prefix = '';
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}
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$conn->_logsql = false; // disable logsql error simulation
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$dbT = $conn->databaseType;
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$time = $a1 - $a0;
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if (!$rs) {
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$errM = $connx->ErrorMsg();
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$errN = $connx->ErrorNo();
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$conn->lastInsID = 0;
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$tracer = substr('ERROR: '.htmlspecialchars($errM),0,250);
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} else {
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$tracer = '';
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$errM = '';
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$errN = 0;
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$dbg = $conn->debug;
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$conn->debug = false;
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if (!is_object($rs) || $rs->dataProvider == 'empty')
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$conn->_affected = $conn->affected_rows(true);
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$conn->lastInsID = @$conn->Insert_ID();
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$conn->debug = $dbg;
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}
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if (isset($_SERVER['HTTP_HOST'])) {
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$tracer .= '<br>'.$_SERVER['HTTP_HOST'];
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if (isset($_SERVER['PHP_SELF'])) $tracer .= htmlspecialchars($_SERVER['PHP_SELF']);
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} else
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if (isset($_SERVER['PHP_SELF'])) $tracer .= '<br>'.htmlspecialchars($_SERVER['PHP_SELF']);
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//$tracer .= (string) adodb_backtrace(false);
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$tracer = (string) substr($tracer,0,500);
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if (is_array($inputarr)) {
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if (is_array(reset($inputarr))) $params = 'Array sizeof='.sizeof($inputarr);
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else {
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// Quote string parameters so we can see them in the
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// performance stats. This helps spot disabled indexes.
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$xar_params = $inputarr;
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foreach ($xar_params as $xar_param_key => $xar_param) {
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if (gettype($xar_param) == 'string')
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$xar_params[$xar_param_key] = '"' . $xar_param . '"';
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}
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$params = implode(', ', $xar_params);
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if (strlen($params) >= 3000) $params = substr($params, 0, 3000);
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}
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} else {
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$params = '';
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}
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if (is_array($sql)) $sql = $sql[0];
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if ($prefix) $sql = $prefix.$sql;
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$arr = array('b'=>strlen($sql).'.'.crc32($sql),
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'c'=>substr($sql,0,3900), 'd'=>$params,'e'=>$tracer,'f'=>adodb_round($time,6));
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//var_dump($arr);
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$saved = $conn->debug;
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$conn->debug = 0;
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$d = $conn->sysTimeStamp;
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if (empty($d)) $d = date("'Y-m-d H:i:s'");
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if ($conn->dataProvider == 'oci8' && $dbT != 'oci8po') {
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$isql = "insert into $perf_table values($d,:b,:c,:d,:e,:f)";
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} else if ($dbT == 'mssqlnative' || $dbT == 'odbc_mssql' || $dbT == 'informix' || strncmp($dbT,'odbtp',4)==0) {
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$timer = $arr['f'];
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if ($dbT == 'informix') $sql2 = substr($sql2,0,230);
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$sql1 = $conn->qstr($arr['b']);
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$sql2 = $conn->qstr($arr['c']);
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$params = $conn->qstr($arr['d']);
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$tracer = $conn->qstr($arr['e']);
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$isql = "insert into $perf_table (created,sql0,sql1,params,tracer,timer) values($d,$sql1,$sql2,$params,$tracer,$timer)";
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if ($dbT == 'informix') $isql = str_replace(chr(10),' ',$isql);
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$arr = false;
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} else {
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if ($dbT == 'db2') $arr['f'] = (float) $arr['f'];
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$isql = "insert into $perf_table (created,sql0,sql1,params,tracer,timer) values( $d,?,?,?,?,?)";
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}
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global $ADODB_PERF_MIN;
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if ($errN != 0 || $time >= $ADODB_PERF_MIN) {
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if($conn instanceof ADODB_mysqli && $conn->_queryID) {
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mysqli_free_result($conn->_queryID);
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}
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$ok = $conn->Execute($isql,$arr);
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if($conn instanceof ADODB_mysqli && $conn->_queryID){
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mysqli_free_result($conn->_queryID);
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}
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} else
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$ok = true;
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$conn->debug = $saved;
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if ($ok) {
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$conn->_logsql = true;
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} else {
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$err2 = $conn->ErrorMsg();
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$conn->_logsql = true; // enable logsql error simulation
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$perf = NewPerfMonitor($conn);
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if ($perf) {
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if ($perf->CreateLogTable()) $ok = $conn->Execute($isql,$arr);
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} else {
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$ok = $conn->Execute("create table $perf_table (
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created varchar(50),
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sql0 varchar(250),
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sql1 varchar(4000),
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params varchar(3000),
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tracer varchar(500),
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timer decimal(16,6))");
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}
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if (!$ok) {
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ADOConnection::outp( "<p><b>LOGSQL Insert Failed</b>: $isql<br>$err2</p>");
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$conn->_logsql = false;
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}
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}
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$connx->_errorMsg = $errM;
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$connx->_errorCode = $errN;
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}
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$connx->fnExecute = 'adodb_log_sql';
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return $rs;
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}
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/*
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The settings data structure is an associative array that database parameter per element.
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Each database parameter element in the array is itself an array consisting of:
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0: category code, used to group related db parameters
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1: either
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a. sql string to retrieve value, eg. "select value from v\$parameter where name='db_block_size'",
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b. array holding sql string and field to look for, e.g. array('show variables','table_cache'),
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c. a string prefixed by =, then a PHP method of the class is invoked,
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e.g. to invoke $this->GetIndexValue(), set this array element to '=GetIndexValue',
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2: description of the database parameter
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*/
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class adodb_perf {
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var $conn;
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var $color = '#F0F0F0';
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var $table = '<table border=1 bgcolor=white>';
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var $titles = '<tr><td><b>Parameter</b></td><td><b>Value</b></td><td><b>Description</b></td></tr>';
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var $warnRatio = 90;
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var $tablesSQL = false;
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var $cliFormat = "%32s => %s \r\n";
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var $sql1 = 'sql1'; // used for casting sql1 to text for mssql
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var $explain = true;
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var $helpurl = '<a href="https://adodb.org/dokuwiki/doku.php?id=v5:performance:logsql">LogSQL help</a>';
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var $createTableSQL = false;
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var $maxLength = 2000;
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// Sets the tablename to be used
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static function table($newtable = false)
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{
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static $_table;
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if (!empty($newtable)) $_table = $newtable;
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if (empty($_table)) $_table = 'adodb_logsql';
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return $_table;
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}
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// returns array with info to calculate CPU Load
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function _CPULoad()
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{
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/*
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cpu 524152 2662 2515228 336057010
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cpu0 264339 1408 1257951 168025827
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cpu1 259813 1254 1257277 168031181
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page 622307 25475680
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swap 24 1891
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intr 890153570 868093576 6 0 4 4 0 6 1 2 0 0 0 124 0 8098760 2 13961053 0 0 0 0 0 0 0 0 0 0 0 0 0 16 16 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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disk_io: (3,0):(3144904,54369,610378,3090535,50936192) (3,1):(3630212,54097,633016,3576115,50951320)
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ctxt 66155838
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btime 1062315585
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processes 69293
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*/
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// Algorithm is taken from
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// http://social.technet.microsoft.com/Forums/en-US/winservergen/thread/414b0e1b-499c-411e-8a02-6a12e339c0f1/
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if (strncmp(PHP_OS,'WIN',3)==0) {
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static $FAIL = false;
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if ($FAIL) return false;
|
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|
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|
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|
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$objName = "winmgmts:{impersonationLevel=impersonate}!\\\\.\\root\\CIMV2";
|
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|
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$myQuery = "SELECT * FROM Win32_PerfFormattedData_PerfOS_Processor WHERE Name = '_Total'";
|
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|
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|
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|
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try {
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@$objWMIService = new COM($objName);
|
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|
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if (!$objWMIService) {
|
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|
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$FAIL = true;
|
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|
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return false;
|
||
|
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}
|
||
|
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|
||
|
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$info[0] = -1;
|
||
|
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$info[1] = 0;
|
||
|
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$info[2] = 0;
|
||
|
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$info[3] = 0;
|
||
|
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foreach($objWMIService->ExecQuery($myQuery) as $objItem) {
|
||
|
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$info[0] = $objItem->PercentProcessorTime();
|
||
|
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}
|
||
|
|
|
||
|
|
} catch(Exception $e) {
|
||
|
|
$FAIL = true;
|
||
|
|
echo $e->getMessage();
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $info;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Algorithm - Steve Blinch (BlitzAffe Online, http://www.blitzaffe.com)
|
||
|
|
$statfile = '/proc/stat';
|
||
|
|
if (!file_exists($statfile)) return false;
|
||
|
|
|
||
|
|
$fd = fopen($statfile,"r");
|
||
|
|
if (!$fd) return false;
|
||
|
|
|
||
|
|
$statinfo = explode("\n",fgets($fd, 1024));
|
||
|
|
fclose($fd);
|
||
|
|
foreach($statinfo as $line) {
|
||
|
|
$info = explode(" ",$line);
|
||
|
|
if($info[0]=="cpu") {
|
||
|
|
array_shift($info); // pop off "cpu"
|
||
|
|
if(!$info[0]) array_shift($info); // pop off blank space (if any)
|
||
|
|
return $info;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
/* NOT IMPLEMENTED */
|
||
|
|
function MemInfo()
|
||
|
|
{
|
||
|
|
/*
|
||
|
|
|
||
|
|
total: used: free: shared: buffers: cached:
|
||
|
|
Mem: 1055289344 917299200 137990144 0 165437440 599773184
|
||
|
|
Swap: 2146775040 11055104 2135719936
|
||
|
|
MemTotal: 1030556 kB
|
||
|
|
MemFree: 134756 kB
|
||
|
|
MemShared: 0 kB
|
||
|
|
Buffers: 161560 kB
|
||
|
|
Cached: 581384 kB
|
||
|
|
SwapCached: 4332 kB
|
||
|
|
Active: 494468 kB
|
||
|
|
Inact_dirty: 322856 kB
|
||
|
|
Inact_clean: 24256 kB
|
||
|
|
Inact_target: 168316 kB
|
||
|
|
HighTotal: 131064 kB
|
||
|
|
HighFree: 1024 kB
|
||
|
|
LowTotal: 899492 kB
|
||
|
|
LowFree: 133732 kB
|
||
|
|
SwapTotal: 2096460 kB
|
||
|
|
SwapFree: 2085664 kB
|
||
|
|
Committed_AS: 348732 kB
|
||
|
|
*/
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
Remember that this is client load, not db server load!
|
||
|
|
*/
|
||
|
|
var $_lastLoad;
|
||
|
|
function CPULoad()
|
||
|
|
{
|
||
|
|
$info = $this->_CPULoad();
|
||
|
|
if (!$info) return false;
|
||
|
|
|
||
|
|
if (strncmp(PHP_OS,'WIN',3)==0) {
|
||
|
|
return (integer) $info[0];
|
||
|
|
}else {
|
||
|
|
if (empty($this->_lastLoad)) {
|
||
|
|
sleep(1);
|
||
|
|
$this->_lastLoad = $info;
|
||
|
|
$info = $this->_CPULoad();
|
||
|
|
}
|
||
|
|
|
||
|
|
$last = $this->_lastLoad;
|
||
|
|
$this->_lastLoad = $info;
|
||
|
|
|
||
|
|
$d_user = $info[0] - $last[0];
|
||
|
|
$d_nice = $info[1] - $last[1];
|
||
|
|
$d_system = $info[2] - $last[2];
|
||
|
|
$d_idle = $info[3] - $last[3];
|
||
|
|
|
||
|
|
//printf("Delta - User: %f Nice: %f System: %f Idle: %f<br>",$d_user,$d_nice,$d_system,$d_idle);
|
||
|
|
|
||
|
|
$total=$d_user+$d_nice+$d_system+$d_idle;
|
||
|
|
if ($total<1) $total=1;
|
||
|
|
return 100*($d_user+$d_nice+$d_system)/$total;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function Tracer($sql)
|
||
|
|
{
|
||
|
|
$perf_table = adodb_perf::table();
|
||
|
|
$saveE = $this->conn->fnExecute;
|
||
|
|
$this->conn->fnExecute = false;
|
||
|
|
|
||
|
|
global $ADODB_FETCH_MODE;
|
||
|
|
$save = $ADODB_FETCH_MODE;
|
||
|
|
$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
|
||
|
|
if ($this->conn->fetchMode !== false) $savem = $this->conn->SetFetchMode(false);
|
||
|
|
|
||
|
|
$sqlq = $this->conn->qstr($sql);
|
||
|
|
$arr = $this->conn->GetArray(
|
||
|
|
"select count(*),tracer
|
||
|
|
from $perf_table where sql1=$sqlq
|
||
|
|
group by tracer
|
||
|
|
order by 1 desc");
|
||
|
|
$s = '';
|
||
|
|
if ($arr) {
|
||
|
|
$s .= '<h3>Scripts Affected</h3>';
|
||
|
|
foreach($arr as $k) {
|
||
|
|
$s .= sprintf("%4d",$k[0]).' '.strip_tags($k[1]).'<br>';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (isset($savem)) $this->conn->SetFetchMode($savem);
|
||
|
|
$ADODB_CACHE_MODE = $save;
|
||
|
|
$this->conn->fnExecute = $saveE;
|
||
|
|
return $s;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
Explain Plan for $sql.
|
||
|
|
If only a snippet of the $sql is passed in, then $partial will hold the crc32 of the
|
||
|
|
actual sql.
|
||
|
|
*/
|
||
|
|
function Explain($sql,$partial=false)
|
||
|
|
{
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
function InvalidSQL($numsql = 10)
|
||
|
|
{
|
||
|
|
|
||
|
|
if (isset($_GET['sql'])) return;
|
||
|
|
$s = '<h3>Invalid SQL</h3>';
|
||
|
|
$saveE = $this->conn->fnExecute;
|
||
|
|
$this->conn->fnExecute = false;
|
||
|
|
$perf_table = adodb_perf::table();
|
||
|
|
$rs = $this->conn->SelectLimit("select distinct count(*),sql1,tracer as error_msg from $perf_table where tracer like 'ERROR:%' group by sql1,tracer order by 1 desc",$numsql);//,$numsql);
|
||
|
|
$this->conn->fnExecute = $saveE;
|
||
|
|
if ($rs) {
|
||
|
|
$s .= rs2html($rs,false,false,false,false);
|
||
|
|
} else
|
||
|
|
return "<p>$this->helpurl. ".$this->conn->ErrorMsg()."</p>";
|
||
|
|
|
||
|
|
return $s;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
This script identifies the longest running SQL
|
||
|
|
*/
|
||
|
|
function _SuspiciousSQL($numsql = 10)
|
||
|
|
{
|
||
|
|
global $ADODB_FETCH_MODE;
|
||
|
|
|
||
|
|
$perf_table = adodb_perf::table();
|
||
|
|
$saveE = $this->conn->fnExecute;
|
||
|
|
$this->conn->fnExecute = false;
|
||
|
|
|
||
|
|
if (isset($_GET['exps']) && isset($_GET['sql'])) {
|
||
|
|
$partial = !empty($_GET['part']);
|
||
|
|
echo "<a name=explain></a>".$this->Explain($_GET['sql'],$partial)."\n";
|
||
|
|
}
|
||
|
|
|
||
|
|
if (isset($_GET['sql'])) return;
|
||
|
|
$sql1 = $this->sql1;
|
||
|
|
|
||
|
|
$save = $ADODB_FETCH_MODE;
|
||
|
|
$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
|
||
|
|
if ($this->conn->fetchMode !== false) $savem = $this->conn->SetFetchMode(false);
|
||
|
|
//$this->conn->debug=1;
|
||
|
|
$rs = $this->conn->SelectLimit(
|
||
|
|
"select avg(timer) as avg_timer,$sql1,count(*),max(timer) as max_timer,min(timer) as min_timer
|
||
|
|
from $perf_table
|
||
|
|
where {$this->conn->upperCase}({$this->conn->substr}(sql0,1,5)) not in ('DROP ','INSER','COMMI','CREAT')
|
||
|
|
and (tracer is null or tracer not like 'ERROR:%')
|
||
|
|
group by sql1
|
||
|
|
order by 1 desc",$numsql);
|
||
|
|
if (isset($savem)) $this->conn->SetFetchMode($savem);
|
||
|
|
$ADODB_FETCH_MODE = $save;
|
||
|
|
$this->conn->fnExecute = $saveE;
|
||
|
|
|
||
|
|
if (!$rs) return "<p>$this->helpurl. ".$this->conn->ErrorMsg()."</p>";
|
||
|
|
$s = "<h3>Suspicious SQL</h3>
|
||
|
|
<font size=1>The following SQL have high average execution times</font><br>
|
||
|
|
<table border=1 bgcolor=white><tr><td><b>Avg Time</b><td><b>Count</b><td><b>SQL</b><td><b>Max</b><td><b>Min</b></tr>\n";
|
||
|
|
$max = $this->maxLength;
|
||
|
|
while (!$rs->EOF) {
|
||
|
|
$sql = $rs->fields[1];
|
||
|
|
$raw = urlencode($sql);
|
||
|
|
if (strlen($raw)>$max-100) {
|
||
|
|
$sql2 = substr($sql,0,$max-500);
|
||
|
|
$raw = urlencode($sql2).'&part='.crc32($sql);
|
||
|
|
}
|
||
|
|
$prefix = "<a target=sql".rand()." href=\"?hidem=1&exps=1&sql=".$raw."&x#explain\">";
|
||
|
|
$suffix = "</a>";
|
||
|
|
if ($this->explain == false || strlen($prefix)>$max) {
|
||
|
|
$suffix = ' ... <i>String too long for GET parameter: '.strlen($prefix).'</i>';
|
||
|
|
$prefix = '';
|
||
|
|
}
|
||
|
|
$s .= "<tr><td>".adodb_round($rs->fields[0],6)."<td align=right>".$rs->fields[2]."<td><font size=-1>".$prefix.htmlspecialchars($sql).$suffix."</font>".
|
||
|
|
"<td>".$rs->fields[3]."<td>".$rs->fields[4]."</tr>";
|
||
|
|
$rs->MoveNext();
|
||
|
|
}
|
||
|
|
return $s."</table>";
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function CheckMemory()
|
||
|
|
{
|
||
|
|
return '';
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
function SuspiciousSQL($numsql=10)
|
||
|
|
{
|
||
|
|
return adodb_perf::_SuspiciousSQL($numsql);
|
||
|
|
}
|
||
|
|
|
||
|
|
function ExpensiveSQL($numsql=10)
|
||
|
|
{
|
||
|
|
return adodb_perf::_ExpensiveSQL($numsql);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
This reports the percentage of load on the instance due to the most
|
||
|
|
expensive few SQL statements. Tuning these statements can often
|
||
|
|
make huge improvements in overall system performance.
|
||
|
|
*/
|
||
|
|
function _ExpensiveSQL($numsql = 10)
|
||
|
|
{
|
||
|
|
global $ADODB_FETCH_MODE;
|
||
|
|
|
||
|
|
$perf_table = adodb_perf::table();
|
||
|
|
$saveE = $this->conn->fnExecute;
|
||
|
|
$this->conn->fnExecute = false;
|
||
|
|
|
||
|
|
if (isset($_GET['expe']) && isset($_GET['sql'])) {
|
||
|
|
$partial = !empty($_GET['part']);
|
||
|
|
echo "<a name=explain></a>".$this->Explain($_GET['sql'],$partial)."\n";
|
||
|
|
}
|
||
|
|
|
||
|
|
if (isset($_GET['sql'])) return;
|
||
|
|
|
||
|
|
$sql1 = $this->sql1;
|
||
|
|
$save = $ADODB_FETCH_MODE;
|
||
|
|
$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
|
||
|
|
if ($this->conn->fetchMode !== false) $savem = $this->conn->SetFetchMode(false);
|
||
|
|
|
||
|
|
$rs = $this->conn->SelectLimit(
|
||
|
|
"select sum(timer) as total,$sql1,count(*),max(timer) as max_timer,min(timer) as min_timer
|
||
|
|
from $perf_table
|
||
|
|
where {$this->conn->upperCase}({$this->conn->substr}(sql0,1,5)) not in ('DROP ','INSER','COMMI','CREAT')
|
||
|
|
and (tracer is null or tracer not like 'ERROR:%')
|
||
|
|
group by sql1
|
||
|
|
having count(*)>1
|
||
|
|
order by 1 desc",$numsql);
|
||
|
|
if (isset($savem)) $this->conn->SetFetchMode($savem);
|
||
|
|
$this->conn->fnExecute = $saveE;
|
||
|
|
$ADODB_FETCH_MODE = $save;
|
||
|
|
if (!$rs) return "<p>$this->helpurl. ".$this->conn->ErrorMsg()."</p>";
|
||
|
|
$s = "<h3>Expensive SQL</h3>
|
||
|
|
<font size=1>Tuning the following SQL could reduce the server load substantially</font><br>
|
||
|
|
<table border=1 bgcolor=white><tr><td><b>Load</b><td><b>Count</b><td><b>SQL</b><td><b>Max</b><td><b>Min</b></tr>\n";
|
||
|
|
$max = $this->maxLength;
|
||
|
|
while (!$rs->EOF) {
|
||
|
|
$sql = $rs->fields[1];
|
||
|
|
$raw = urlencode($sql);
|
||
|
|
if (strlen($raw)>$max-100) {
|
||
|
|
$sql2 = substr($sql,0,$max-500);
|
||
|
|
$raw = urlencode($sql2).'&part='.crc32($sql);
|
||
|
|
}
|
||
|
|
$prefix = "<a target=sqle".rand()." href=\"?hidem=1&expe=1&sql=".$raw."&x#explain\">";
|
||
|
|
$suffix = "</a>";
|
||
|
|
if($this->explain == false || strlen($prefix>$max)) {
|
||
|
|
$prefix = '';
|
||
|
|
$suffix = '';
|
||
|
|
}
|
||
|
|
$s .= "<tr><td>".adodb_round($rs->fields[0],6)."<td align=right>".$rs->fields[2]."<td><font size=-1>".$prefix.htmlspecialchars($sql).$suffix."</font>".
|
||
|
|
"<td>".$rs->fields[3]."<td>".$rs->fields[4]."</tr>";
|
||
|
|
$rs->MoveNext();
|
||
|
|
}
|
||
|
|
return $s."</table>";
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
Raw function to return parameter value from $settings.
|
||
|
|
*/
|
||
|
|
function DBParameter($param)
|
||
|
|
{
|
||
|
|
if (empty($this->settings[$param])) return false;
|
||
|
|
$sql = $this->settings[$param][1];
|
||
|
|
return $this->_DBParameter($sql);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
Raw function returning array of poll parameters
|
||
|
|
*/
|
||
|
|
function PollParameters()
|
||
|
|
{
|
||
|
|
$arr[0] = (float)$this->DBParameter('data cache hit ratio');
|
||
|
|
$arr[1] = (float)$this->DBParameter('data reads');
|
||
|
|
$arr[2] = (float)$this->DBParameter('data writes');
|
||
|
|
$arr[3] = (integer) $this->DBParameter('current connections');
|
||
|
|
return $arr;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
Low-level Get Database Parameter
|
||
|
|
*/
|
||
|
|
function _DBParameter($sql)
|
||
|
|
{
|
||
|
|
$savelog = $this->conn->LogSQL(false);
|
||
|
|
if (is_array($sql)) {
|
||
|
|
global $ADODB_FETCH_MODE;
|
||
|
|
|
||
|
|
$sql1 = $sql[0];
|
||
|
|
$key = $sql[1];
|
||
|
|
if (sizeof($sql)>2) $pos = $sql[2];
|
||
|
|
else $pos = 1;
|
||
|
|
if (sizeof($sql)>3) $coef = $sql[3];
|
||
|
|
else $coef = false;
|
||
|
|
$ret = false;
|
||
|
|
$save = $ADODB_FETCH_MODE;
|
||
|
|
$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
|
||
|
|
if ($this->conn->fetchMode !== false) $savem = $this->conn->SetFetchMode(false);
|
||
|
|
|
||
|
|
$rs = $this->conn->Execute($sql1);
|
||
|
|
|
||
|
|
if (isset($savem)) $this->conn->SetFetchMode($savem);
|
||
|
|
$ADODB_FETCH_MODE = $save;
|
||
|
|
if ($rs) {
|
||
|
|
while (!$rs->EOF) {
|
||
|
|
$keyf = reset($rs->fields);
|
||
|
|
if (trim($keyf) == $key) {
|
||
|
|
$ret = $rs->fields[$pos];
|
||
|
|
if ($coef) $ret *= $coef;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
$rs->MoveNext();
|
||
|
|
}
|
||
|
|
$rs->Close();
|
||
|
|
}
|
||
|
|
$this->conn->LogSQL($savelog);
|
||
|
|
return $ret;
|
||
|
|
} else {
|
||
|
|
if (strncmp($sql,'=',1) == 0) {
|
||
|
|
$fn = substr($sql,1);
|
||
|
|
return $this->$fn();
|
||
|
|
}
|
||
|
|
$sql = str_replace('$DATABASE',$this->conn->database,$sql);
|
||
|
|
$ret = $this->conn->GetOne($sql);
|
||
|
|
$this->conn->LogSQL($savelog);
|
||
|
|
|
||
|
|
return $ret;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
Warn if cache ratio falls below threshold. Displayed in "Description" column.
|
||
|
|
*/
|
||
|
|
function WarnCacheRatio($val)
|
||
|
|
{
|
||
|
|
if ($val < $this->warnRatio)
|
||
|
|
return '<font color=red><b>Cache ratio should be at least '.$this->warnRatio.'%</b></font>';
|
||
|
|
else return '';
|
||
|
|
}
|
||
|
|
|
||
|
|
function clearsql()
|
||
|
|
{
|
||
|
|
$perf_table = adodb_perf::table();
|
||
|
|
$this->conn->Execute("delete from $perf_table where created<".$this->conn->sysTimeStamp);
|
||
|
|
}
|
||
|
|
/***********************************************************************************************/
|
||
|
|
// HIGH LEVEL UI FUNCTIONS
|
||
|
|
/***********************************************************************************************/
|
||
|
|
|
||
|
|
|
||
|
|
function UI($pollsecs=5)
|
||
|
|
{
|
||
|
|
global $ADODB_LOG_CONN;
|
||
|
|
|
||
|
|
$perf_table = adodb_perf::table();
|
||
|
|
$conn = $this->conn;
|
||
|
|
|
||
|
|
$app = $conn->host;
|
||
|
|
if ($conn->host && $conn->database) $app .= ', db=';
|
||
|
|
$app .= $conn->database;
|
||
|
|
|
||
|
|
if ($app) $app .= ', ';
|
||
|
|
$savelog = $this->conn->LogSQL(false);
|
||
|
|
$info = $conn->ServerInfo();
|
||
|
|
if (isset($_GET['clearsql'])) {
|
||
|
|
$this->clearsql();
|
||
|
|
}
|
||
|
|
$this->conn->LogSQL($savelog);
|
||
|
|
|
||
|
|
if (!isset($_SESSION['ADODB_PERF_SQL'])) $nsql = $_SESSION['ADODB_PERF_SQL'] = 10;
|
||
|
|
else $nsql = $_SESSION['ADODB_PERF_SQL'];
|
||
|
|
|
||
|
|
$app .= $info['description'];
|
||
|
|
|
||
|
|
|
||
|
|
if (isset($_GET['do'])) $do = $_GET['do'];
|
||
|
|
else if (isset($_POST['do'])) $do = $_POST['do'];
|
||
|
|
else if (isset($_GET['sql'])) $do = 'viewsql';
|
||
|
|
else $do = 'stats';
|
||
|
|
|
||
|
|
if (isset($_GET['nsql'])) {
|
||
|
|
if ($_GET['nsql'] > 0) $nsql = $_SESSION['ADODB_PERF_SQL'] = (integer) $_GET['nsql'];
|
||
|
|
}
|
||
|
|
echo "<title>ADOdb Performance Monitor on $app</title><body bgcolor=white>";
|
||
|
|
if ($do == 'viewsql') $form = "<td><form># SQL:<input type=hidden value=viewsql name=do> <input type=text size=4 name=nsql value=$nsql><input type=submit value=Go></td></form>";
|
||
|
|
else $form = "<td> </td>";
|
||
|
|
|
||
|
|
$allowsql = !defined('ADODB_PERF_NO_RUN_SQL');
|
||
|
|
global $ADODB_PERF_MIN;
|
||
|
|
$app .= " (Min sql timing \$ADODB_PERF_MIN=$ADODB_PERF_MIN secs)";
|
||
|
|
|
||
|
|
if (empty($_GET['hidem']))
|
||
|
|
echo "<table border=1 width=100% bgcolor=lightyellow><tr><td colspan=2>
|
||
|
|
<b><a href=https://adodb.org/dokuwiki/doku.php?id=v5:performance:performance_index>ADOdb</a> Performance Monitor</b> <font size=1>for $app</font></tr><tr><td>
|
||
|
|
<a href=?do=stats><b>Performance Stats</b></a> <a href=?do=viewsql><b>View SQL</b></a>
|
||
|
|
<a href=?do=tables><b>View Tables</b></a> <a href=?do=poll><b>Poll Stats</b></a>",
|
||
|
|
$allowsql ? ' <a href=?do=dosql><b>Run SQL</b></a>' : '',
|
||
|
|
"$form",
|
||
|
|
"</tr></table>";
|
||
|
|
|
||
|
|
|
||
|
|
switch ($do) {
|
||
|
|
default:
|
||
|
|
case 'stats':
|
||
|
|
if (empty($ADODB_LOG_CONN))
|
||
|
|
echo "<p> <a href=\"?do=viewsql&clearsql=1\">Clear SQL Log</a><br>";
|
||
|
|
echo $this->HealthCheck();
|
||
|
|
//$this->conn->debug=1;
|
||
|
|
echo $this->CheckMemory();
|
||
|
|
break;
|
||
|
|
case 'poll':
|
||
|
|
$self = htmlspecialchars($_SERVER['PHP_SELF']);
|
||
|
|
echo "<iframe width=720 height=80%
|
||
|
|
src=\"{$self}?do=poll2&hidem=1\"></iframe>";
|
||
|
|
break;
|
||
|
|
case 'poll2':
|
||
|
|
echo "<pre>";
|
||
|
|
$this->Poll($pollsecs);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'dosql':
|
||
|
|
if (!$allowsql) break;
|
||
|
|
|
||
|
|
$this->DoSQLForm();
|
||
|
|
break;
|
||
|
|
case 'viewsql':
|
||
|
|
if (empty($_GET['hidem']))
|
||
|
|
echo " <a href=\"?do=viewsql&clearsql=1\">Clear SQL Log</a><br>";
|
||
|
|
echo($this->SuspiciousSQL($nsql));
|
||
|
|
echo($this->ExpensiveSQL($nsql));
|
||
|
|
echo($this->InvalidSQL($nsql));
|
||
|
|
break;
|
||
|
|
case 'tables':
|
||
|
|
echo $this->Tables(); break;
|
||
|
|
}
|
||
|
|
global $ADODB_vers;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
Runs in infinite loop, returning real-time statistics
|
||
|
|
*/
|
||
|
|
function Poll($secs=5)
|
||
|
|
{
|
||
|
|
$this->conn->fnExecute = false;
|
||
|
|
//$this->conn->debug=1;
|
||
|
|
if ($secs <= 1) $secs = 1;
|
||
|
|
echo "Accumulating statistics, every $secs seconds...\n";flush();
|
||
|
|
$arro = $this->PollParameters();
|
||
|
|
$cnt = 0;
|
||
|
|
set_time_limit(0);
|
||
|
|
sleep($secs);
|
||
|
|
while (1) {
|
||
|
|
|
||
|
|
$arr = $this->PollParameters();
|
||
|
|
|
||
|
|
$hits = sprintf('%2.2f',$arr[0]);
|
||
|
|
$reads = sprintf('%12.4f',($arr[1]-$arro[1])/$secs);
|
||
|
|
$writes = sprintf('%12.4f',($arr[2]-$arro[2])/$secs);
|
||
|
|
$sess = sprintf('%5d',$arr[3]);
|
||
|
|
|
||
|
|
$load = $this->CPULoad();
|
||
|
|
if ($load !== false) {
|
||
|
|
$oslabel = 'WS-CPU%';
|
||
|
|
$osval = sprintf(" %2.1f ",(float) $load);
|
||
|
|
}else {
|
||
|
|
$oslabel = '';
|
||
|
|
$osval = '';
|
||
|
|
}
|
||
|
|
if ($cnt % 10 == 0) echo " Time ".$oslabel." Hit% Sess Reads/s Writes/s\n";
|
||
|
|
$cnt += 1;
|
||
|
|
echo date('H:i:s').' '.$osval."$hits $sess $reads $writes\n";
|
||
|
|
flush();
|
||
|
|
|
||
|
|
if (connection_aborted()) return;
|
||
|
|
|
||
|
|
sleep($secs);
|
||
|
|
$arro = $arr;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
Returns basic health check in a command line interface
|
||
|
|
*/
|
||
|
|
function HealthCheckCLI()
|
||
|
|
{
|
||
|
|
return $this->HealthCheck(true);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
Returns basic health check as HTML
|
||
|
|
*/
|
||
|
|
function HealthCheck($cli=false)
|
||
|
|
{
|
||
|
|
$saveE = $this->conn->fnExecute;
|
||
|
|
$this->conn->fnExecute = false;
|
||
|
|
if ($cli) $html = '';
|
||
|
|
else $html = $this->table.'<tr><td colspan=3><h3>'.$this->conn->databaseType.'</h3></td></tr>'.$this->titles;
|
||
|
|
|
||
|
|
$oldc = false;
|
||
|
|
$bgc = '';
|
||
|
|
foreach($this->settings as $name => $arr) {
|
||
|
|
if ($arr === false) break;
|
||
|
|
|
||
|
|
if (!is_string($name)) {
|
||
|
|
if ($cli) $html .= " -- $arr -- \n";
|
||
|
|
else $html .= "<tr bgcolor=$this->color><td colspan=3><i>$arr</i> </td></tr>";
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!is_array($arr)) break;
|
||
|
|
$category = $arr[0];
|
||
|
|
$how = $arr[1];
|
||
|
|
if (sizeof($arr)>2) $desc = $arr[2];
|
||
|
|
else $desc = ' ';
|
||
|
|
|
||
|
|
|
||
|
|
if ($category == 'HIDE') continue;
|
||
|
|
|
||
|
|
$val = $this->_DBParameter($how);
|
||
|
|
|
||
|
|
if ($desc && strncmp($desc,"=",1) === 0) {
|
||
|
|
$fn = substr($desc,1);
|
||
|
|
$desc = $this->$fn($val);
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($val === false) {
|
||
|
|
$m = $this->conn->ErrorMsg();
|
||
|
|
$val = "Error: $m";
|
||
|
|
} else {
|
||
|
|
if (is_numeric($val) && $val >= 256*1024) {
|
||
|
|
if ($val % (1024*1024) == 0) {
|
||
|
|
$val /= (1024*1024);
|
||
|
|
$val .= 'M';
|
||
|
|
} else if ($val % 1024 == 0) {
|
||
|
|
$val /= 1024;
|
||
|
|
$val .= 'K';
|
||
|
|
}
|
||
|
|
//$val = htmlspecialchars($val);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if ($category != $oldc) {
|
||
|
|
$oldc = $category;
|
||
|
|
//$bgc = ($bgc == ' bgcolor='.$this->color) ? ' bgcolor=white' : ' bgcolor='.$this->color;
|
||
|
|
}
|
||
|
|
if (strlen($desc)==0) $desc = ' ';
|
||
|
|
if (strlen($val)==0) $val = ' ';
|
||
|
|
if ($cli) {
|
||
|
|
$html .= str_replace(' ','',sprintf($this->cliFormat,strip_tags($name),strip_tags($val),strip_tags($desc)));
|
||
|
|
|
||
|
|
}else {
|
||
|
|
$html .= "<tr$bgc><td>".$name.'</td><td>'.$val.'</td><td>'.$desc."</td></tr>\n";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!$cli) $html .= "</table>\n";
|
||
|
|
$this->conn->fnExecute = $saveE;
|
||
|
|
|
||
|
|
return $html;
|
||
|
|
}
|
||
|
|
|
||
|
|
function Tables($orderby='1')
|
||
|
|
{
|
||
|
|
if (!$this->tablesSQL) return false;
|
||
|
|
|
||
|
|
$savelog = $this->conn->LogSQL(false);
|
||
|
|
$rs = $this->conn->Execute($this->tablesSQL.' order by '.$orderby);
|
||
|
|
$this->conn->LogSQL($savelog);
|
||
|
|
$html = rs2html($rs,false,false,false,false);
|
||
|
|
return $html;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
function CreateLogTable()
|
||
|
|
{
|
||
|
|
if (!$this->createTableSQL) return false;
|
||
|
|
|
||
|
|
$table = $this->table();
|
||
|
|
$sql = str_replace('adodb_logsql',$table,$this->createTableSQL);
|
||
|
|
$savelog = $this->conn->LogSQL(false);
|
||
|
|
$ok = $this->conn->Execute($sql);
|
||
|
|
$this->conn->LogSQL($savelog);
|
||
|
|
return ($ok) ? true : false;
|
||
|
|
}
|
||
|
|
|
||
|
|
function DoSQLForm()
|
||
|
|
{
|
||
|
|
|
||
|
|
|
||
|
|
$PHP_SELF = htmlspecialchars($_SERVER['PHP_SELF']);
|
||
|
|
$sql = isset($_REQUEST['sql']) ? $_REQUEST['sql'] : '';
|
||
|
|
|
||
|
|
if (isset($_SESSION['phplens_sqlrows'])) $rows = $_SESSION['phplens_sqlrows'];
|
||
|
|
else $rows = 3;
|
||
|
|
|
||
|
|
if (isset($_REQUEST['SMALLER'])) {
|
||
|
|
$rows /= 2;
|
||
|
|
if ($rows < 3) $rows = 3;
|
||
|
|
$_SESSION['phplens_sqlrows'] = $rows;
|
||
|
|
}
|
||
|
|
if (isset($_REQUEST['BIGGER'])) {
|
||
|
|
$rows *= 2;
|
||
|
|
$_SESSION['phplens_sqlrows'] = $rows;
|
||
|
|
}
|
||
|
|
|
||
|
|
?>
|
||
|
|
|
||
|
|
<form method="POST" action="<?php echo $PHP_SELF ?>">
|
||
|
|
<table><tr>
|
||
|
|
<td> Form size: <input type="submit" value=" < " name="SMALLER"><input type="submit" value=" > > " name="BIGGER">
|
||
|
|
</td>
|
||
|
|
<td align=right>
|
||
|
|
<input type="submit" value=" Run SQL Below " name="RUN"><input type=hidden name=do value=dosql>
|
||
|
|
</td></tr>
|
||
|
|
<tr>
|
||
|
|
<td colspan=2><textarea rows=<?php print $rows; ?> name="sql" cols="80"><?php print htmlspecialchars($sql) ?></textarea>
|
||
|
|
</td>
|
||
|
|
</tr>
|
||
|
|
</table>
|
||
|
|
</form>
|
||
|
|
|
||
|
|
<?php
|
||
|
|
if (!isset($_REQUEST['sql'])) return;
|
||
|
|
|
||
|
|
$sql = trim($sql);
|
||
|
|
if (substr($sql,strlen($sql)-1) === ';') {
|
||
|
|
$print = true;
|
||
|
|
$sqla = $this->SplitSQL($sql);
|
||
|
|
} else {
|
||
|
|
$print = false;
|
||
|
|
$sqla = array($sql);
|
||
|
|
}
|
||
|
|
foreach($sqla as $sqls) {
|
||
|
|
|
||
|
|
if (!$sqls) continue;
|
||
|
|
|
||
|
|
if ($print) {
|
||
|
|
print "<p>".htmlspecialchars($sqls)."</p>";
|
||
|
|
flush();
|
||
|
|
}
|
||
|
|
$savelog = $this->conn->LogSQL(false);
|
||
|
|
$rs = $this->conn->Execute($sqls);
|
||
|
|
$this->conn->LogSQL($savelog);
|
||
|
|
if ($rs && is_object($rs) && !$rs->EOF) {
|
||
|
|
rs2html($rs);
|
||
|
|
while ($rs->NextRecordSet()) {
|
||
|
|
print "<table width=98% bgcolor=#C0C0FF><tr><td> </td></tr></table>";
|
||
|
|
rs2html($rs);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
$e1 = (integer) $this->conn->ErrorNo();
|
||
|
|
$e2 = $this->conn->ErrorMsg();
|
||
|
|
if (($e1) || ($e2)) {
|
||
|
|
if (empty($e1)) $e1 = '-1'; // postgresql fix
|
||
|
|
print ' '.$e1.': '.$e2;
|
||
|
|
} else {
|
||
|
|
print "<p>No Recordset returned<br></p>";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} // foreach
|
||
|
|
}
|
||
|
|
|
||
|
|
function SplitSQL($sql)
|
||
|
|
{
|
||
|
|
$arr = explode(';',$sql);
|
||
|
|
return $arr;
|
||
|
|
}
|
||
|
|
|
||
|
|
/************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Reorganise multiple table-indices/statistics/..
|
||
|
|
* OptimizeMode could be given by last Parameter
|
||
|
|
*
|
||
|
|
* @example
|
||
|
|
* <pre>
|
||
|
|
* optimizeTables( 'tableA');
|
||
|
|
* </pre>
|
||
|
|
* <pre>
|
||
|
|
* optimizeTables( 'tableA', 'tableB', 'tableC');
|
||
|
|
* </pre>
|
||
|
|
* <pre>
|
||
|
|
* optimizeTables( 'tableA', 'tableB', ADODB_OPT_LOW);
|
||
|
|
* </pre>
|
||
|
|
*
|
||
|
|
* @param string table name of the table to optimize
|
||
|
|
* @param int mode optimization-mode
|
||
|
|
* <code>ADODB_OPT_HIGH</code> for full optimization
|
||
|
|
* <code>ADODB_OPT_LOW</code> for CPU-less optimization
|
||
|
|
* Default is LOW <code>ADODB_OPT_LOW</code>
|
||
|
|
* @author Markus Staab
|
||
|
|
* @return Returns <code>true</code> on success and <code>false</code> on error
|
||
|
|
*/
|
||
|
|
function OptimizeTables()
|
||
|
|
{
|
||
|
|
$args = func_get_args();
|
||
|
|
$numArgs = func_num_args();
|
||
|
|
|
||
|
|
if ( $numArgs == 0) return false;
|
||
|
|
|
||
|
|
$mode = ADODB_OPT_LOW;
|
||
|
|
$lastArg = $args[ $numArgs - 1];
|
||
|
|
if ( !is_string($lastArg)) {
|
||
|
|
$mode = $lastArg;
|
||
|
|
unset( $args[ $numArgs - 1]);
|
||
|
|
}
|
||
|
|
|
||
|
|
foreach( $args as $table) {
|
||
|
|
$this->optimizeTable( $table, $mode);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Reorganise the table-indices/statistics/.. depending on the given mode.
|
||
|
|
* Default Implementation throws an error.
|
||
|
|
*
|
||
|
|
* @param string table name of the table to optimize
|
||
|
|
* @param int mode optimization-mode
|
||
|
|
* <code>ADODB_OPT_HIGH</code> for full optimization
|
||
|
|
* <code>ADODB_OPT_LOW</code> for CPU-less optimization
|
||
|
|
* Default is LOW <code>ADODB_OPT_LOW</code>
|
||
|
|
* @author Markus Staab
|
||
|
|
* @return Returns <code>true</code> on success and <code>false</code> on error
|
||
|
|
*/
|
||
|
|
function OptimizeTable( $table, $mode = ADODB_OPT_LOW)
|
||
|
|
{
|
||
|
|
ADOConnection::outp( sprintf( "<p>%s: '%s' not implemented for driver '%s'</p>", __CLASS__, __FUNCTION__, $this->conn->databaseType));
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Reorganise current database.
|
||
|
|
* Default implementation loops over all <code>MetaTables()</code> and
|
||
|
|
* optimize each using <code>optmizeTable()</code>
|
||
|
|
*
|
||
|
|
* @author Markus Staab
|
||
|
|
* @return Returns <code>true</code> on success and <code>false</code> on error
|
||
|
|
*/
|
||
|
|
function optimizeDatabase()
|
||
|
|
{
|
||
|
|
$conn = $this->conn;
|
||
|
|
if ( !$conn) return false;
|
||
|
|
|
||
|
|
$tables = $conn->MetaTables( 'TABLES');
|
||
|
|
if ( !$tables ) return false;
|
||
|
|
|
||
|
|
foreach( $tables as $table) {
|
||
|
|
if ( !$this->optimizeTable( $table)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
// end hack
|
||
|
|
}
|