Db2
6 years ago
Mysqli
6 years ago
Oracle
6 years ago
Pdo
4 years ago
Sqlsrv
6 years ago
Abstract.php
6 years ago
Db2.php
6 years ago
Exception.php
6 years ago
Mysqli.php
4 years ago
Oracle.php
6 years ago
Sqlsrv.php
6 years ago
Mysqli.php
592 lines
| 1 | <?php |
| 2 | /** |
| 3 | * Zend Framework |
| 4 | * |
| 5 | * LICENSE |
| 6 | * |
| 7 | * This source file is subject to the new BSD license that is bundled |
| 8 | * with this package in the file LICENSE.txt. |
| 9 | * It is also available through the world-wide-web at this URL: |
| 10 | * http://framework.zend.com/license/new-bsd |
| 11 | * If you did not receive a copy of the license and are unable to |
| 12 | * obtain it through the world-wide-web, please send an email |
| 13 | * to license@zend.com so we can send you a copy immediately. |
| 14 | * |
| 15 | * @category Zend |
| 16 | * @package Zend_Db |
| 17 | * @subpackage Adapter |
| 18 | * @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com) |
| 19 | * @license http://framework.zend.com/license/new-bsd New BSD License |
| 20 | * @version $Id: Mysqli.php 23775 2011-03-01 17:25:24Z ralph $ |
| 21 | */ |
| 22 | |
| 23 | |
| 24 | /** |
| 25 | * @see Zend_Db_Adapter_Abstract |
| 26 | */ |
| 27 | // require_once 'Zend/Db/Adapter/Abstract.php'; |
| 28 | |
| 29 | /** |
| 30 | * @see Zend_Db_Profiler |
| 31 | */ |
| 32 | // require_once 'Zend/Db/Profiler.php'; |
| 33 | |
| 34 | /** |
| 35 | * @see Zend_Db_Select |
| 36 | */ |
| 37 | // require_once 'Zend/Db/Select.php'; |
| 38 | |
| 39 | /** |
| 40 | * @see Zend_Db_Statement_Mysqli |
| 41 | */ |
| 42 | // require_once 'Zend/Db/Statement/Mysqli.php'; |
| 43 | |
| 44 | |
| 45 | /** |
| 46 | * @category Zend |
| 47 | * @package Zend_Db |
| 48 | * @subpackage Adapter |
| 49 | * @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com) |
| 50 | * @license http://framework.zend.com/license/new-bsd New BSD License |
| 51 | */ |
| 52 | class Zend_Db_Adapter_Mysqli extends Zend_Db_Adapter_Abstract |
| 53 | { |
| 54 | |
| 55 | /** |
| 56 | * Keys are UPPERCASE SQL datatypes or the constants |
| 57 | * Zend_Db::INT_TYPE, Zend_Db::BIGINT_TYPE, or Zend_Db::FLOAT_TYPE. |
| 58 | * |
| 59 | * Values are: |
| 60 | * 0 = 32-bit integer |
| 61 | * 1 = 64-bit integer |
| 62 | * 2 = float or decimal |
| 63 | * |
| 64 | * @var array Associative array of datatypes to values 0, 1, or 2. |
| 65 | */ |
| 66 | protected $_numericDataTypes = array( |
| 67 | Zend_Db::INT_TYPE => Zend_Db::INT_TYPE, |
| 68 | Zend_Db::BIGINT_TYPE => Zend_Db::BIGINT_TYPE, |
| 69 | Zend_Db::FLOAT_TYPE => Zend_Db::FLOAT_TYPE, |
| 70 | 'INT' => Zend_Db::INT_TYPE, |
| 71 | 'INTEGER' => Zend_Db::INT_TYPE, |
| 72 | 'MEDIUMINT' => Zend_Db::INT_TYPE, |
| 73 | 'SMALLINT' => Zend_Db::INT_TYPE, |
| 74 | 'TINYINT' => Zend_Db::INT_TYPE, |
| 75 | 'BIGINT' => Zend_Db::BIGINT_TYPE, |
| 76 | 'SERIAL' => Zend_Db::BIGINT_TYPE, |
| 77 | 'DEC' => Zend_Db::FLOAT_TYPE, |
| 78 | 'DECIMAL' => Zend_Db::FLOAT_TYPE, |
| 79 | 'DOUBLE' => Zend_Db::FLOAT_TYPE, |
| 80 | 'DOUBLE PRECISION' => Zend_Db::FLOAT_TYPE, |
| 81 | 'FIXED' => Zend_Db::FLOAT_TYPE, |
| 82 | 'FLOAT' => Zend_Db::FLOAT_TYPE |
| 83 | ); |
| 84 | |
| 85 | /** |
| 86 | * @var Zend_Db_Statement_Mysqli |
| 87 | */ |
| 88 | protected $_stmt = null; |
| 89 | |
| 90 | /** |
| 91 | * Default class name for a DB statement. |
| 92 | * |
| 93 | * @var string |
| 94 | */ |
| 95 | protected $_defaultStmtClass = 'Zend_Db_Statement_Mysqli'; |
| 96 | |
| 97 | /** |
| 98 | * Quote a raw string. |
| 99 | * |
| 100 | * @param mixed $value Raw string |
| 101 | * |
| 102 | * @return string Quoted string |
| 103 | */ |
| 104 | protected function _quote($value) |
| 105 | { |
| 106 | if (is_int($value) || is_float($value)) { |
| 107 | return $value; |
| 108 | } |
| 109 | $this->_connect(); |
| 110 | return "'" . $this->_connection->real_escape_string($value) . "'"; |
| 111 | } |
| 112 | |
| 113 | /** |
| 114 | * Returns the symbol the adapter uses for delimiting identifiers. |
| 115 | * |
| 116 | * @return string |
| 117 | */ |
| 118 | public function getQuoteIdentifierSymbol() |
| 119 | { |
| 120 | return "`"; |
| 121 | } |
| 122 | |
| 123 | /** |
| 124 | * Returns a list of the tables in the database. |
| 125 | * |
| 126 | * @return array |
| 127 | */ |
| 128 | public function listTables() |
| 129 | { |
| 130 | $result = array(); |
| 131 | // Use mysqli extension API, because SHOW doesn't work |
| 132 | // well as a prepared statement on MySQL 4.1. |
| 133 | $sql = 'SHOW TABLES'; |
| 134 | if ($queryResult = $this->getConnection()->query($sql)) { |
| 135 | while ($row = $queryResult->fetch_row()) { |
| 136 | $result[] = $row[0]; |
| 137 | } |
| 138 | $queryResult->close(); |
| 139 | } else { |
| 140 | /** |
| 141 | * @see Zend_Db_Adapter_Mysqli_Exception |
| 142 | */ |
| 143 | // require_once 'Zend/Db/Adapter/Mysqli/Exception.php'; |
| 144 | throw new Zend_Db_Adapter_Mysqli_Exception($this->getConnection()->error); |
| 145 | } |
| 146 | return $result; |
| 147 | } |
| 148 | |
| 149 | /** |
| 150 | * Returns the column descriptions for a table. |
| 151 | * |
| 152 | * The return value is an associative array keyed by the column name, |
| 153 | * as returned by the RDBMS. |
| 154 | * |
| 155 | * The value of each array element is an associative array |
| 156 | * with the following keys: |
| 157 | * |
| 158 | * SCHEMA_NAME => string; name of database or schema |
| 159 | * TABLE_NAME => string; |
| 160 | * COLUMN_NAME => string; column name |
| 161 | * COLUMN_POSITION => number; ordinal position of column in table |
| 162 | * DATA_TYPE => string; SQL datatype name of column |
| 163 | * DEFAULT => string; default expression of column, null if none |
| 164 | * NULLABLE => boolean; true if column can have nulls |
| 165 | * LENGTH => number; length of CHAR/VARCHAR |
| 166 | * SCALE => number; scale of NUMERIC/DECIMAL |
| 167 | * PRECISION => number; precision of NUMERIC/DECIMAL |
| 168 | * UNSIGNED => boolean; unsigned property of an integer type |
| 169 | * PRIMARY => boolean; true if column is part of the primary key |
| 170 | * PRIMARY_POSITION => integer; position of column in primary key |
| 171 | * IDENTITY => integer; true if column is auto-generated with unique values |
| 172 | * |
| 173 | * @param string $tableName |
| 174 | * @param string $schemaName OPTIONAL |
| 175 | * @return array |
| 176 | */ |
| 177 | public function describeTable($tableName, $schemaName = null) |
| 178 | { |
| 179 | /** |
| 180 | * @todo use INFORMATION_SCHEMA someday when |
| 181 | * MySQL's implementation isn't too slow. |
| 182 | */ |
| 183 | |
| 184 | if ($schemaName) { |
| 185 | $sql = 'DESCRIBE ' . $this->quoteIdentifier("$schemaName.$tableName", true); |
| 186 | } else { |
| 187 | $sql = 'DESCRIBE ' . $this->quoteIdentifier($tableName, true); |
| 188 | } |
| 189 | |
| 190 | /** |
| 191 | * Use mysqli extension API, because DESCRIBE doesn't work |
| 192 | * well as a prepared statement on MySQL 4.1. |
| 193 | */ |
| 194 | if ($queryResult = $this->getConnection()->query($sql)) { |
| 195 | while ($row = $queryResult->fetch_assoc()) { |
| 196 | $result[] = $row; |
| 197 | } |
| 198 | $queryResult->close(); |
| 199 | } else { |
| 200 | /** |
| 201 | * @see Zend_Db_Adapter_Mysqli_Exception |
| 202 | */ |
| 203 | // require_once 'Zend/Db/Adapter/Mysqli/Exception.php'; |
| 204 | throw new Zend_Db_Adapter_Mysqli_Exception($this->getConnection()->error); |
| 205 | } |
| 206 | |
| 207 | $desc = array(); |
| 208 | |
| 209 | $row_defaults = array( |
| 210 | 'Length' => null, |
| 211 | 'Scale' => null, |
| 212 | 'Precision' => null, |
| 213 | 'Unsigned' => null, |
| 214 | 'Primary' => false, |
| 215 | 'PrimaryPosition' => null, |
| 216 | 'Identity' => false |
| 217 | ); |
| 218 | $i = 1; |
| 219 | $p = 1; |
| 220 | foreach ($result as $key => $row) { |
| 221 | $row = array_merge($row_defaults, $row); |
| 222 | if (preg_match('/unsigned/', $row['Type'])) { |
| 223 | $row['Unsigned'] = true; |
| 224 | } |
| 225 | if (preg_match('/^((?:var)?char)\((\d+)\)/', $row['Type'], $matches)) { |
| 226 | $row['Type'] = $matches[1]; |
| 227 | $row['Length'] = $matches[2]; |
| 228 | } else if (preg_match('/^decimal\((\d+),(\d+)\)/', $row['Type'], $matches)) { |
| 229 | $row['Type'] = 'decimal'; |
| 230 | $row['Precision'] = $matches[1]; |
| 231 | $row['Scale'] = $matches[2]; |
| 232 | } else if (preg_match('/^float\((\d+),(\d+)\)/', $row['Type'], $matches)) { |
| 233 | $row['Type'] = 'float'; |
| 234 | $row['Precision'] = $matches[1]; |
| 235 | $row['Scale'] = $matches[2]; |
| 236 | } else if (preg_match('/^((?:big|medium|small|tiny)?int)\((\d+)\)/', $row['Type'], $matches)) { |
| 237 | $row['Type'] = $matches[1]; |
| 238 | /** |
| 239 | * The optional argument of a MySQL int type is not precision |
| 240 | * or length; it is only a hint for display width. |
| 241 | */ |
| 242 | } |
| 243 | if (strtoupper($row['Key']) == 'PRI') { |
| 244 | $row['Primary'] = true; |
| 245 | $row['PrimaryPosition'] = $p; |
| 246 | if ($row['Extra'] == 'auto_increment') { |
| 247 | $row['Identity'] = true; |
| 248 | } else { |
| 249 | $row['Identity'] = false; |
| 250 | } |
| 251 | ++$p; |
| 252 | } |
| 253 | $desc[$this->foldCase($row['Field'])] = array( |
| 254 | 'SCHEMA_NAME' => null, // @todo |
| 255 | 'TABLE_NAME' => $this->foldCase($tableName), |
| 256 | 'COLUMN_NAME' => $this->foldCase($row['Field']), |
| 257 | 'COLUMN_POSITION' => $i, |
| 258 | 'DATA_TYPE' => $row['Type'], |
| 259 | 'DEFAULT' => $row['Default'], |
| 260 | 'NULLABLE' => (bool) ($row['Null'] == 'YES'), |
| 261 | 'LENGTH' => $row['Length'], |
| 262 | 'SCALE' => $row['Scale'], |
| 263 | 'PRECISION' => $row['Precision'], |
| 264 | 'UNSIGNED' => $row['Unsigned'], |
| 265 | 'PRIMARY' => $row['Primary'], |
| 266 | 'PRIMARY_POSITION' => $row['PrimaryPosition'], |
| 267 | 'IDENTITY' => $row['Identity'] |
| 268 | ); |
| 269 | ++$i; |
| 270 | } |
| 271 | return $desc; |
| 272 | } |
| 273 | |
| 274 | /** |
| 275 | * Creates a connection to the database. |
| 276 | * |
| 277 | * @return void |
| 278 | * @throws Zend_Db_Adapter_Mysqli_Exception |
| 279 | */ |
| 280 | protected function _connect() |
| 281 | { |
| 282 | if ($this->_connection) { |
| 283 | return; |
| 284 | } |
| 285 | |
| 286 | if (!extension_loaded('mysqli')) { |
| 287 | /** |
| 288 | * @see Zend_Db_Adapter_Mysqli_Exception |
| 289 | */ |
| 290 | // require_once 'Zend/Db/Adapter/Mysqli/Exception.php'; |
| 291 | throw new Zend_Db_Adapter_Mysqli_Exception('The Mysqli extension is required for this adapter but the extension is not loaded'); |
| 292 | } |
| 293 | |
| 294 | if (isset($this->_config['port'])) { |
| 295 | $port = (integer) $this->_config['port']; |
| 296 | } else { |
| 297 | $port = null; |
| 298 | } |
| 299 | |
| 300 | $this->_connection = mysqli_init(); |
| 301 | |
| 302 | $enable_ssl = false; |
| 303 | $ssl_options = array ( |
| 304 | 'ssl_ca' => null, |
| 305 | 'ssl_ca_path' => null, |
| 306 | 'ssl_cert' => null, |
| 307 | 'ssl_cipher' => null, |
| 308 | 'ssl_key' => null, |
| 309 | ); |
| 310 | |
| 311 | if(!empty($this->_config['driver_options'])) { |
| 312 | foreach($this->_config['driver_options'] as $option=>$value) { |
| 313 | if(array_key_exists($option, $ssl_options)) { |
| 314 | $ssl_options[$option] = $value; |
| 315 | $enable_ssl = true; |
| 316 | continue; // these options are set below in mysqli_ssl_set |
| 317 | } elseif(is_string($option)) { |
| 318 | // Suppress warnings here |
| 319 | // Ignore it if it's not a valid constant |
| 320 | if(!defined(strtoupper($option))) { |
| 321 | continue; |
| 322 | } |
| 323 | $option = @constant(strtoupper($option)); |
| 324 | if ($option === null) |
| 325 | continue; |
| 326 | } |
| 327 | mysqli_options($this->_connection, $option, $value); |
| 328 | } |
| 329 | } |
| 330 | |
| 331 | |
| 332 | if ($enable_ssl) { |
| 333 | mysqli_ssl_set( |
| 334 | $this->_connection, |
| 335 | $ssl_options['ssl_key'], |
| 336 | $ssl_options['ssl_cert'], |
| 337 | $ssl_options['ssl_ca'], |
| 338 | $ssl_options['ssl_ca_path'], |
| 339 | $ssl_options['ssl_cipher'] |
| 340 | ); |
| 341 | } |
| 342 | |
| 343 | $flags = null; |
| 344 | if ($enable_ssl) { |
| 345 | $flags = MYSQLI_CLIENT_SSL; |
| 346 | if (!empty($this->_config['driver_options']['ssl_no_verify']) |
| 347 | && defined('MYSQLI_CLIENT_SSL_DONT_VERIFY_SERVER_CERT') |
| 348 | ) { |
| 349 | $flags = MYSQLI_CLIENT_SSL_DONT_VERIFY_SERVER_CERT; |
| 350 | } |
| 351 | } |
| 352 | |
| 353 | $socket = !empty($this->_config['unix_socket']) ? $this->_config['unix_socket'] : null; |
| 354 | |
| 355 | // Suppress connection warnings here. |
| 356 | // Throw an exception instead. |
| 357 | $_isConnected = @mysqli_real_connect( |
| 358 | $this->_connection, |
| 359 | $this->_config['host'], |
| 360 | $this->_config['username'], |
| 361 | $this->_config['password'], |
| 362 | $this->_config['dbname'], |
| 363 | $port, |
| 364 | $socket, |
| 365 | $enable_ssl ? $flags : null |
| 366 | ); |
| 367 | |
| 368 | if ($_isConnected === false || mysqli_connect_errno()) { |
| 369 | |
| 370 | $this->closeConnection(); |
| 371 | /** |
| 372 | * @see Zend_Db_Adapter_Mysqli_Exception |
| 373 | */ |
| 374 | // require_once 'Zend/Db/Adapter/Mysqli/Exception.php'; |
| 375 | throw new Zend_Db_Adapter_Mysqli_Exception(mysqli_connect_error()); |
| 376 | } |
| 377 | |
| 378 | if (!empty($this->_config['charset'])) { |
| 379 | mysqli_set_charset($this->_connection, $this->_config['charset']); |
| 380 | } |
| 381 | } |
| 382 | |
| 383 | /** |
| 384 | * Test if a connection is active |
| 385 | * |
| 386 | * @return boolean |
| 387 | */ |
| 388 | public function isConnected() |
| 389 | { |
| 390 | return ((bool) ($this->_connection instanceof mysqli)); |
| 391 | } |
| 392 | |
| 393 | /** |
| 394 | * Force the connection to close. |
| 395 | * |
| 396 | * @return void |
| 397 | */ |
| 398 | public function closeConnection() |
| 399 | { |
| 400 | if ($this->isConnected()) { |
| 401 | $this->_connection->close(); |
| 402 | } |
| 403 | $this->_connection = null; |
| 404 | } |
| 405 | |
| 406 | /** |
| 407 | * Prepare a statement and return a PDOStatement-like object. |
| 408 | * |
| 409 | * @param string $sql SQL query |
| 410 | * @return Zend_Db_Statement_Mysqli |
| 411 | */ |
| 412 | public function prepare($sql) |
| 413 | { |
| 414 | $this->_connect(); |
| 415 | if ($this->_stmt) { |
| 416 | $this->_stmt->close(); |
| 417 | } |
| 418 | $stmtClass = $this->_defaultStmtClass; |
| 419 | if (!class_exists($stmtClass)) { |
| 420 | // require_once 'Zend/Loader.php'; |
| 421 | Zend_Loader::loadClass($stmtClass); |
| 422 | } |
| 423 | $stmt = new $stmtClass($this, $sql); |
| 424 | if ($stmt === false) { |
| 425 | return false; |
| 426 | } |
| 427 | $stmt->setFetchMode($this->_fetchMode); |
| 428 | $this->_stmt = $stmt; |
| 429 | return $stmt; |
| 430 | } |
| 431 | |
| 432 | /** |
| 433 | * Gets the last ID generated automatically by an IDENTITY/AUTOINCREMENT column. |
| 434 | * |
| 435 | * As a convention, on RDBMS brands that support sequences |
| 436 | * (e.g. Oracle, PostgreSQL, DB2), this method forms the name of a sequence |
| 437 | * from the arguments and returns the last id generated by that sequence. |
| 438 | * On RDBMS brands that support IDENTITY/AUTOINCREMENT columns, this method |
| 439 | * returns the last value generated for such a column, and the table name |
| 440 | * argument is disregarded. |
| 441 | * |
| 442 | * MySQL does not support sequences, so $tableName and $primaryKey are ignored. |
| 443 | * |
| 444 | * @param string $tableName OPTIONAL Name of table. |
| 445 | * @param string $primaryKey OPTIONAL Name of primary key column. |
| 446 | * @return string |
| 447 | * @todo Return value should be int? |
| 448 | */ |
| 449 | public function lastInsertId($tableName = null, $primaryKey = null) |
| 450 | { |
| 451 | $mysqli = $this->_connection; |
| 452 | return (string) $mysqli->insert_id; |
| 453 | } |
| 454 | |
| 455 | /** |
| 456 | * Begin a transaction. |
| 457 | * |
| 458 | * @return void |
| 459 | */ |
| 460 | protected function _beginTransaction() |
| 461 | { |
| 462 | $this->_connect(); |
| 463 | $this->_connection->autocommit(false); |
| 464 | } |
| 465 | |
| 466 | /** |
| 467 | * Commit a transaction. |
| 468 | * |
| 469 | * @return void |
| 470 | */ |
| 471 | protected function _commit() |
| 472 | { |
| 473 | $this->_connect(); |
| 474 | $this->_connection->commit(); |
| 475 | $this->_connection->autocommit(true); |
| 476 | } |
| 477 | |
| 478 | /** |
| 479 | * Roll-back a transaction. |
| 480 | * |
| 481 | * @return void |
| 482 | */ |
| 483 | protected function _rollBack() |
| 484 | { |
| 485 | $this->_connect(); |
| 486 | $this->_connection->rollback(); |
| 487 | $this->_connection->autocommit(true); |
| 488 | } |
| 489 | |
| 490 | /** |
| 491 | * Set the fetch mode. |
| 492 | * |
| 493 | * @param int $mode |
| 494 | * @return void |
| 495 | * @throws Zend_Db_Adapter_Mysqli_Exception |
| 496 | */ |
| 497 | public function setFetchMode($mode) |
| 498 | { |
| 499 | switch ($mode) { |
| 500 | case Zend_Db::FETCH_LAZY: |
| 501 | case Zend_Db::FETCH_ASSOC: |
| 502 | case Zend_Db::FETCH_NUM: |
| 503 | case Zend_Db::FETCH_BOTH: |
| 504 | case Zend_Db::FETCH_NAMED: |
| 505 | case Zend_Db::FETCH_OBJ: |
| 506 | $this->_fetchMode = $mode; |
| 507 | break; |
| 508 | case Zend_Db::FETCH_BOUND: // bound to PHP variable |
| 509 | /** |
| 510 | * @see Zend_Db_Adapter_Mysqli_Exception |
| 511 | */ |
| 512 | // require_once 'Zend/Db/Adapter/Mysqli/Exception.php'; |
| 513 | throw new Zend_Db_Adapter_Mysqli_Exception('FETCH_BOUND is not supported yet'); |
| 514 | break; |
| 515 | default: |
| 516 | /** |
| 517 | * @see Zend_Db_Adapter_Mysqli_Exception |
| 518 | */ |
| 519 | // require_once 'Zend/Db/Adapter/Mysqli/Exception.php'; |
| 520 | throw new Zend_Db_Adapter_Mysqli_Exception("Invalid fetch mode '$mode' specified"); |
| 521 | } |
| 522 | } |
| 523 | |
| 524 | /** |
| 525 | * Adds an adapter-specific LIMIT clause to the SELECT statement. |
| 526 | * |
| 527 | * @param string $sql |
| 528 | * @param int $count |
| 529 | * @param int $offset OPTIONAL |
| 530 | * @return string |
| 531 | */ |
| 532 | public function limit($sql, $count, $offset = 0) |
| 533 | { |
| 534 | $count = intval($count); |
| 535 | if ($count <= 0) { |
| 536 | /** |
| 537 | * @see Zend_Db_Adapter_Mysqli_Exception |
| 538 | */ |
| 539 | // require_once 'Zend/Db/Adapter/Mysqli/Exception.php'; |
| 540 | throw new Zend_Db_Adapter_Mysqli_Exception("LIMIT argument count=$count is not valid"); |
| 541 | } |
| 542 | |
| 543 | $offset = intval($offset); |
| 544 | if ($offset < 0) { |
| 545 | /** |
| 546 | * @see Zend_Db_Adapter_Mysqli_Exception |
| 547 | */ |
| 548 | // require_once 'Zend/Db/Adapter/Mysqli/Exception.php'; |
| 549 | throw new Zend_Db_Adapter_Mysqli_Exception("LIMIT argument offset=$offset is not valid"); |
| 550 | } |
| 551 | |
| 552 | $sql .= " LIMIT $count"; |
| 553 | if ($offset > 0) { |
| 554 | $sql .= " OFFSET $offset"; |
| 555 | } |
| 556 | |
| 557 | return $sql; |
| 558 | } |
| 559 | |
| 560 | /** |
| 561 | * Check if the adapter supports real SQL parameters. |
| 562 | * |
| 563 | * @param string $type 'positional' or 'named' |
| 564 | * @return bool |
| 565 | */ |
| 566 | public function supportsParameters($type) |
| 567 | { |
| 568 | switch ($type) { |
| 569 | case 'positional': |
| 570 | return true; |
| 571 | case 'named': |
| 572 | default: |
| 573 | return false; |
| 574 | } |
| 575 | } |
| 576 | |
| 577 | /** |
| 578 | * Retrieve server version in PHP style |
| 579 | * |
| 580 | *@return string |
| 581 | */ |
| 582 | public function getServerVersion() |
| 583 | { |
| 584 | $this->_connect(); |
| 585 | $version = $this->_connection->server_version; |
| 586 | $major = (int) ($version / 10000); |
| 587 | $minor = (int) ($version % 10000 / 100); |
| 588 | $revision = (int) ($version % 100); |
| 589 | return $major . '.' . $minor . '.' . $revision; |
| 590 | } |
| 591 | } |
| 592 |