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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 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;
 13: 
 14: use Nette,
 15:     PDO,
 16:     Nette\ObjectMixin;
 17: 
 18: 
 19: 
 20: /**
 21:  * Represents a prepared statement / result set.
 22:  *
 23:  * @author     David Grudl
 24:  *
 25:  * @property-read Connection $connection
 26:  * @property-write $fetchMode
 27:  */
 28: class Statement extends \PDOStatement
 29: {
 30:     /** @var Connection */
 31:     private $connection;
 32: 
 33:     /** @var float */
 34:     private $time;
 35: 
 36:     /** @var array */
 37:     private $types;
 38: 
 39: 
 40: 
 41:     protected function __construct(Connection $connection)
 42:     {
 43:         $this->connection = $connection;
 44:         $this->setFetchMode(PDO::FETCH_CLASS, 'Nette\Database\Row', array($this));
 45:     }
 46: 
 47: 
 48: 
 49:     /**
 50:      * @return Connection
 51:      */
 52:     public function getConnection()
 53:     {
 54:         return $this->connection;
 55:     }
 56: 
 57: 
 58: 
 59:     /**
 60:      * Executes statement.
 61:      * @param  array
 62:      * @return Statement  provides a fluent interface
 63:      */
 64:     public function execute($params = array())
 65:     {
 66:         static $types = array('boolean' => PDO::PARAM_BOOL, 'integer' => PDO::PARAM_INT,
 67:             'resource' => PDO::PARAM_LOB, 'NULL' => PDO::PARAM_NULL);
 68: 
 69:         foreach ($params as $key => $value) {
 70:             $type = gettype($value);
 71:             $this->bindValue(is_int($key) ? $key + 1 : $key, $value, isset($types[$type]) ? $types[$type] : PDO::PARAM_STR);
 72:         }
 73: 
 74:         $time = microtime(TRUE);
 75:         try {
 76:             parent::execute();
 77:         } catch (\PDOException $e) {
 78:             $e->queryString = $this->queryString;
 79:             throw $e;
 80:         }
 81:         $this->time = microtime(TRUE) - $time;
 82:         $this->connection->__call('onQuery', array($this, $params)); // $this->connection->onQuery() in PHP 5.3
 83: 
 84:         return $this;
 85:     }
 86: 
 87: 
 88: 
 89:     /**
 90:      * Fetches into an array where the 1st column is a key and all subsequent columns are values.
 91:      * @return array
 92:      */
 93:     public function fetchPairs()
 94:     {
 95:         return $this->fetchAll(PDO::FETCH_KEY_PAIR); // since PHP 5.2.3
 96:     }
 97: 
 98: 
 99: 
100:     /**
101:      * Normalizes result row.
102:      * @param  array
103:      * @return array
104:      */
105:     public function normalizeRow($row)
106:     {
107:         foreach ($this->detectColumnTypes() as $key => $type) {
108:             $value = $row[$key];
109:             if ($value === NULL || $value === FALSE || $type === IReflection::FIELD_TEXT) {
110: 
111:             } elseif ($type === IReflection::FIELD_INTEGER) {
112:                 $row[$key] = is_float($tmp = $value * 1) ? $value : $tmp;
113: 
114:             } elseif ($type === IReflection::FIELD_FLOAT) {
115:                 $row[$key] = (string) ($tmp = (float) $value) === $value ? $tmp : $value;
116: 
117:             } elseif ($type === IReflection::FIELD_BOOL) {
118:                 $row[$key] = ((bool) $value) && $value !== 'f' && $value !== 'F';
119: 
120:             } elseif ($type === IReflection::FIELD_DATETIME || $type === IReflection::FIELD_DATE || $type === IReflection::FIELD_TIME) {
121:                 $row[$key] = new Nette\DateTime($value);
122: 
123:             }
124:         }
125: 
126:         return $this->connection->getSupplementalDriver()->normalizeRow($row, $this);
127:     }
128: 
129: 
130: 
131:     private function detectColumnTypes()
132:     {
133:         if ($this->types === NULL) {
134:             $this->types = array();
135:             if ($this->connection->getSupplementalDriver()->isSupported(ISupplementalDriver::META)) { // workaround for PHP bugs #53782, #54695
136:                 $col = 0;
137:                 while ($meta = $this->getColumnMeta($col++)) {
138:                     if (isset($meta['native_type'])) {
139:                         $this->types[$meta['name']] = Helpers::detectType($meta['native_type']);
140:                     }
141:                 }
142:             }
143:         }
144:         return $this->types;
145:     }
146: 
147: 
148: 
149:     /**
150:      * @return float
151:      */
152:     public function getTime()
153:     {
154:         return $this->time;
155:     }
156: 
157: 
158:     /********************* misc tools ****************d*g**/
159: 
160: 
161: 
162:     /**
163:      * Displays complete result set as HTML table for debug purposes.
164:      * @return void
165:      */
166:     public function dump()
167:     {
168:         Helpers::dumpResult($this);
169:     }
170: 
171: 
172: 
173:     /********************* Nette\Object behaviour ****************d*g**/
174: 
175: 
176: 
177:     /**
178:      * @return Nette\Reflection\ClassType
179:      */
180:     public static function getReflection()
181:     {
182:         return new Nette\Reflection\ClassType(get_called_class());
183:     }
184: 
185: 
186: 
187:     public function __call($name, $args)
188:     {
189:         return ObjectMixin::call($this, $name, $args);
190:     }
191: 
192: 
193: 
194:     public function &__get($name)
195:     {
196:         return ObjectMixin::get($this, $name);
197:     }
198: 
199: 
200: 
201:     public function __set($name, $value)
202:     {
203:         return ObjectMixin::set($this, $name, $value);
204:     }
205: 
206: 
207: 
208:     public function __isset($name)
209:     {
210:         return ObjectMixin::has($this, $name);
211:     }
212: 
213: 
214: 
215:     public function __unset($name)
216:     {
217:         ObjectMixin::remove($this, $name);
218:     }
219: 
220: }
221: 
Nette Framework 2.0.0 API API documentation generated by ApiGen 2.7.0