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Classes

  • NDatabasePanel
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  1: <?php
  2: 
  3: /**
  4:  * This file is part of the Nette Framework (http://nette.org)
  5:  *
  6:  * Copyright (c) 2004, 2011 David Grudl (http://davidgrudl.com)
  7:  *
  8:  * For the full copyright and license information, please view
  9:  * the file license.txt that was distributed with this source code.
 10:  * @package Nette\Database\Diagnostics
 11:  */
 12: 
 13: 
 14: 
 15: /**
 16:  * Debug panel for NDatabase.
 17:  *
 18:  * @author     David Grudl
 19:  * @package Nette\Database\Diagnostics
 20:  */
 21: class NDatabasePanel extends NObject implements IBarPanel
 22: {
 23:     /** @var int maximum SQL length */
 24:     static public $maxLength = 1000;
 25: 
 26:     /** @var int logged time */
 27:     public $totalTime = 0;
 28: 
 29:     /** @var array */
 30:     public $queries = array();
 31: 
 32:     /** @var string */
 33:     public $name;
 34: 
 35:     /** @var bool explain queries? */
 36:     public $explain = TRUE;
 37: 
 38:     /** @var bool */
 39:     public $disabled = FALSE;
 40: 
 41: 
 42: 
 43:     public static function initialize(NConnection $connection)
 44:     {
 45:         $panel = new self;
 46:         NDebugger::$blueScreen->addPanel(array($panel, 'renderException'), __CLASS__);
 47:         if (!NDebugger::$productionMode) {
 48:             $connection->onQuery[] = callback($panel, 'logQuery');
 49:             NDebugger::$bar->addPanel($panel);
 50:         }
 51:     }
 52: 
 53: 
 54: 
 55:     public function logQuery(NStatement $result, array $params = NULL)
 56:     {
 57:         if ($this->disabled) {
 58:             return;
 59:         }
 60:         $source = NULL;
 61:         foreach (debug_backtrace(FALSE) as $row) {
 62:             if (isset($row['file']) && is_file($row['file']) && strpos($row['file'], NETTE_DIR . DIRECTORY_SEPARATOR) !== 0) {
 63:                 $source = array($row['file'], (int) $row['line']);
 64:                 break;
 65:             }
 66:         }
 67:         $this->totalTime += $result->time;
 68:         $this->queries[] = array($result->queryString, $params, $result->time, $result->rowCount(), $result->getConnection(), $source);
 69:     }
 70: 
 71: 
 72: 
 73:     public function renderException($e)
 74:     {
 75:         if ($e instanceof PDOException && isset($e->queryString)) {
 76:             return array(
 77:                 'tab' => 'SQL',
 78:                 'panel' => NConnection::highlightSql($e->queryString),
 79:             );
 80:         }
 81:     }
 82: 
 83: 
 84: 
 85:     public function getTab()
 86:     {
 87:         return '<span title="Nette\\Database ' . htmlSpecialChars($this->name) . '">'
 88:             . '<img src="data:image/png;base64,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" />'
 89:             . count($this->queries) . ' queries'
 90:             . ($this->totalTime ? ' / ' . sprintf('%0.1f', $this->totalTime * 1000) . 'ms' : '')
 91:             . '</span>';
 92:     }
 93: 
 94: 
 95: 
 96:     public function getPanel()
 97:     {
 98:         $this->disabled = TRUE;
 99:         $s = '';
100:         $h = 'htmlSpecialChars';
101:         foreach ($this->queries as $i => $query) {
102:             list($sql, $params, $time, $rows, $connection, $source) = $query;
103: 
104:             $explain = NULL; // EXPLAIN is called here to work SELECT FOUND_ROWS()
105:             if ($this->explain && preg_match('#\s*SELECT\s#iA', $sql)) {
106:                 try {
107:                     $explain = $connection->queryArgs('EXPLAIN ' . $sql, $params)->fetchAll();
108:                 } catch (PDOException $e) {}
109:             }
110: 
111:             $s .= '<tr><td>' . sprintf('%0.3f', $time * 1000);
112:             if ($explain) {
113:                 static $counter;
114:                 $counter++;
115:                 $s .= "<br /><a href='#' class='nette-toggler' rel='#nette-DbConnectionPanel-row-$counter'>explain&nbsp;&#x25ba;</a>";
116:             }
117: 
118:             $s .= '</td><td class="nette-DbConnectionPanel-sql">' . NConnection::highlightSql(NStrings::truncate($sql, self::$maxLength));
119:             if ($explain) {
120:                 $s .= "<table id='nette-DbConnectionPanel-row-$counter' class='nette-collapsed'><tr>";
121:                 foreach ($explain[0] as $col => $foo) {
122:                     $s .= "<th>{$h($col)}</th>";
123:                 }
124:                 $s .= "</tr>";
125:                 foreach ($explain as $row) {
126:                     $s .= "<tr>";
127:                     foreach ($row as $col) {
128:                         $s .= "<td>{$h($col)}</td>";
129:                     }
130:                     $s .= "</tr>";
131:                 }
132:                 $s .= "</table>";
133:             }
134:             if ($source) {
135:                 $s .= NDebugHelpers::editorLink($source[0], $source[1])->class('nette-DbConnectionPanel-source');
136:             }
137: 
138:             $s .= '</td><td>';
139:             foreach ($params as $param) {
140:                 $s .= NDebugger::dump($param, TRUE);
141:             }
142: 
143:             $s .= '</td><td>' . $rows . '</td></tr>';
144:         }
145: 
146:         return empty($this->queries) ? '' :
147:             '<style> #nette-debug td.nette-DbConnectionPanel-sql { background: white !important }
148:             #nette-debug .nette-DbConnectionPanel-source { color: #BBB !important }
149:             #nette-debug nette-DbConnectionPanel tr table { margin: 8px 0; max-height: 150px; overflow:auto } </style>
150:             <h1>Queries: ' . count($this->queries) . ($this->totalTime ? ', time: ' . sprintf('%0.3f', $this->totalTime * 1000) . ' ms' : '') . '</h1>
151:             <div class="nette-inner nette-DbConnectionPanel">
152:             <table>
153:                 <tr><th>Time&nbsp;ms</th><th>SQL Statement</th><th>Params</th><th>Rows</th></tr>' . $s . '
154:             </table>
155:             </div>';
156:     }
157: 
158: }
159: 
Nette Framework 2.0beta1 (for PHP 5.2) API API documentation generated by ApiGen 2.3.0