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Classes

  • ConnectionPanel
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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:  */
 11: 
 12: namespace Nette\Database\Diagnostics;
 13: 
 14: use Nette,
 15:     Nette\Database\Connection,
 16:     Nette\Diagnostics\Debugger;
 17: 
 18: 
 19: 
 20: /**
 21:  * Debug panel for Nette\Database.
 22:  *
 23:  * @author     David Grudl
 24:  */
 25: class ConnectionPanel extends Nette\Object implements Nette\Diagnostics\IBarPanel
 26: {
 27:     /** @var int maximum SQL length */
 28:     static public $maxLength = 1000;
 29: 
 30:     /** @var int logged time */
 31:     public $totalTime = 0;
 32: 
 33:     /** @var array */
 34:     public $queries = array();
 35: 
 36:     /** @var string */
 37:     public $name;
 38: 
 39:     /** @var bool explain queries? */
 40:     public $explain = TRUE;
 41: 
 42:     /** @var bool */
 43:     public $disabled = FALSE;
 44: 
 45: 
 46: 
 47:     public static function initialize(Connection $connection)
 48:     {
 49:         $panel = new static;
 50:         Debugger::$blueScreen->addPanel(array($panel, 'renderException'), __CLASS__);
 51:         if (!Debugger::$productionMode) {
 52:             $connection->onQuery[] = callback($panel, 'logQuery');
 53:             Debugger::$bar->addPanel($panel);
 54:         }
 55:     }
 56: 
 57: 
 58: 
 59:     public function logQuery(Nette\Database\Statement $result, array $params = NULL)
 60:     {
 61:         if ($this->disabled) {
 62:             return;
 63:         }
 64:         $source = NULL;
 65:         foreach (debug_backtrace(FALSE) as $row) {
 66:             if (isset($row['file']) && is_file($row['file']) && strpos($row['file'], NETTE_DIR . DIRECTORY_SEPARATOR) !== 0) {
 67:                 $source = array($row['file'], (int) $row['line']);
 68:                 break;
 69:             }
 70:         }
 71:         $this->totalTime += $result->time;
 72:         $this->queries[] = array($result->queryString, $params, $result->time, $result->rowCount(), $result->getConnection(), $source);
 73:     }
 74: 
 75: 
 76: 
 77:     public function renderException($e)
 78:     {
 79:         if ($e instanceof \PDOException && isset($e->queryString)) {
 80:             return array(
 81:                 'tab' => 'SQL',
 82:                 'panel' => Connection::highlightSql($e->queryString),
 83:             );
 84:         }
 85:     }
 86: 
 87: 
 88: 
 89:     public function getTab()
 90:     {
 91:         return '<span title="Nette\\Database ' . htmlSpecialChars($this->name) . '">'
 92:             . '<img src="data:image/png;base64,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" />'
 93:             . count($this->queries) . ' queries'
 94:             . ($this->totalTime ? ' / ' . sprintf('%0.1f', $this->totalTime * 1000) . 'ms' : '')
 95:             . '</span>';
 96:     }
 97: 
 98: 
 99: 
100:     public function getPanel()
101:     {
102:         $this->disabled = TRUE;
103:         $s = '';
104:         $h = 'htmlSpecialChars';
105:         foreach ($this->queries as $i => $query) {
106:             list($sql, $params, $time, $rows, $connection, $source) = $query;
107: 
108:             $explain = NULL; // EXPLAIN is called here to work SELECT FOUND_ROWS()
109:             if ($this->explain && preg_match('#\s*SELECT\s#iA', $sql)) {
110:                 try {
111:                     $explain = $connection->queryArgs('EXPLAIN ' . $sql, $params)->fetchAll();
112:                 } catch (\PDOException $e) {}
113:             }
114: 
115:             $s .= '<tr><td>' . sprintf('%0.3f', $time * 1000);
116:             if ($explain) {
117:                 static $counter;
118:                 $counter++;
119:                 $s .= "<br /><a href='#' class='nette-toggler' rel='#nette-DbConnectionPanel-row-$counter'>explain&nbsp;&#x25ba;</a>";
120:             }
121: 
122:             $s .= '</td><td class="nette-DbConnectionPanel-sql">' . Connection::highlightSql(Nette\Utils\Strings::truncate($sql, self::$maxLength));
123:             if ($explain) {
124:                 $s .= "<table id='nette-DbConnectionPanel-row-$counter' class='nette-collapsed'><tr>";
125:                 foreach ($explain[0] as $col => $foo) {
126:                     $s .= "<th>{$h($col)}</th>";
127:                 }
128:                 $s .= "</tr>";
129:                 foreach ($explain as $row) {
130:                     $s .= "<tr>";
131:                     foreach ($row as $col) {
132:                         $s .= "<td>{$h($col)}</td>";
133:                     }
134:                     $s .= "</tr>";
135:                 }
136:                 $s .= "</table>";
137:             }
138:             if ($source) {
139:                 $s .= Nette\Diagnostics\Helpers::editorLink($source[0], $source[1])->class('nette-DbConnectionPanel-source');
140:             }
141: 
142:             $s .= '</td><td>';
143:             foreach ($params as $param) {
144:                 $s .= Debugger::dump($param, TRUE);
145:             }
146: 
147:             $s .= '</td><td>' . $rows . '</td></tr>';
148:         }
149: 
150:         return empty($this->queries) ? '' :
151:             '<style> #nette-debug td.nette-DbConnectionPanel-sql { background: white !important }
152:             #nette-debug .nette-DbConnectionPanel-source { color: #BBB !important }
153:             #nette-debug nette-DbConnectionPanel tr table { margin: 8px 0; max-height: 150px; overflow:auto } </style>
154:             <h1>Queries: ' . count($this->queries) . ($this->totalTime ? ', time: ' . sprintf('%0.3f', $this->totalTime * 1000) . ' ms' : '') . '</h1>
155:             <div class="nette-inner nette-DbConnectionPanel">
156:             <table>
157:                 <tr><th>Time&nbsp;ms</th><th>SQL Statement</th><th>Params</th><th>Rows</th></tr>' . $s . '
158:             </table>
159:             </div>';
160:     }
161: 
162: }
163: 
Nette Framework 2.0beta1 API API documentation generated by ApiGen 2.3.0