Abstract.php
| 1 | <?php |
| 2 | |
| 3 | namespace { |
| 4 | /** |
| 5 | * Zend Framework |
| 6 | * |
| 7 | * LICENSE |
| 8 | * |
| 9 | * This source file is subject to the new BSD license that is bundled |
| 10 | * with this package in the file LICENSE.txt. |
| 11 | * It is also available through the world-wide-web at this URL: |
| 12 | * http://framework.zend.com/license/new-bsd |
| 13 | * If you did not receive a copy of the license and are unable to |
| 14 | * obtain it through the world-wide-web, please send an email |
| 15 | * to license@zend.com so we can send you a copy immediately. |
| 16 | * |
| 17 | * @category Zend |
| 18 | * @package Zend_Db |
| 19 | * @subpackage Adapter |
| 20 | * @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com) |
| 21 | * @license http://framework.zend.com/license/new-bsd New BSD License |
| 22 | * @version $Id: Abstract.php 24148 2011-06-21 15:14:00Z yoshida@zend.co.jp $ |
| 23 | */ |
| 24 | /** |
| 25 | * @see Zend_Db |
| 26 | */ |
| 27 | // require_once 'Zend/Db.php'; |
| 28 | /** |
| 29 | * @see Zend_Db_Select |
| 30 | */ |
| 31 | // require_once 'Zend/Db/Select.php'; |
| 32 | /** |
| 33 | * Class for connecting to SQL databases and performing common operations. |
| 34 | * |
| 35 | * @category Zend |
| 36 | * @package Zend_Db |
| 37 | * @subpackage Adapter |
| 38 | * @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com) |
| 39 | * @license http://framework.zend.com/license/new-bsd New BSD License |
| 40 | */ |
| 41 | abstract class Zend_Db_Adapter_Abstract |
| 42 | { |
| 43 | /** |
| 44 | * User-provided configuration |
| 45 | * |
| 46 | * @var array |
| 47 | */ |
| 48 | protected $_config = array(); |
| 49 | /** |
| 50 | * Fetch mode |
| 51 | * |
| 52 | * @var integer |
| 53 | */ |
| 54 | protected $_fetchMode = \Zend_Db::FETCH_ASSOC; |
| 55 | /** |
| 56 | * Query profiler object, of type Zend_Db_Profiler |
| 57 | * or a subclass of that. |
| 58 | * |
| 59 | * @var Zend_Db_Profiler |
| 60 | */ |
| 61 | protected $_profiler; |
| 62 | /** |
| 63 | * Default class name for a DB statement. |
| 64 | * |
| 65 | * @var string |
| 66 | */ |
| 67 | protected $_defaultStmtClass = 'Zend_Db_Statement'; |
| 68 | /** |
| 69 | * Default class name for the profiler object. |
| 70 | * |
| 71 | * @var string |
| 72 | */ |
| 73 | protected $_defaultProfilerClass = 'Zend_Db_Profiler'; |
| 74 | /** |
| 75 | * Database connection |
| 76 | * |
| 77 | * @var object|resource|null |
| 78 | */ |
| 79 | protected $_connection = null; |
| 80 | /** |
| 81 | * Specifies the case of column names retrieved in queries |
| 82 | * Options |
| 83 | * Zend_Db::CASE_NATURAL (default) |
| 84 | * Zend_Db::CASE_LOWER |
| 85 | * Zend_Db::CASE_UPPER |
| 86 | * |
| 87 | * @var integer |
| 88 | */ |
| 89 | protected $_caseFolding = \Zend_Db::CASE_NATURAL; |
| 90 | /** |
| 91 | * Specifies whether the adapter automatically quotes identifiers. |
| 92 | * If true, most SQL generated by Zend_Db classes applies |
| 93 | * identifier quoting automatically. |
| 94 | * If false, developer must quote identifiers themselves |
| 95 | * by calling quoteIdentifier(). |
| 96 | * |
| 97 | * @var bool |
| 98 | */ |
| 99 | protected $_autoQuoteIdentifiers = \true; |
| 100 | /** |
| 101 | * Keys are UPPERCASE SQL datatypes or the constants |
| 102 | * Zend_Db::INT_TYPE, Zend_Db::BIGINT_TYPE, or Zend_Db::FLOAT_TYPE. |
| 103 | * |
| 104 | * Values are: |
| 105 | * 0 = 32-bit integer |
| 106 | * 1 = 64-bit integer |
| 107 | * 2 = float or decimal |
| 108 | * |
| 109 | * @var array Associative array of datatypes to values 0, 1, or 2. |
| 110 | */ |
| 111 | protected $_numericDataTypes = array(\Zend_Db::INT_TYPE => \Zend_Db::INT_TYPE, \Zend_Db::BIGINT_TYPE => \Zend_Db::BIGINT_TYPE, \Zend_Db::FLOAT_TYPE => \Zend_Db::FLOAT_TYPE); |
| 112 | /** Weither or not that object can get serialized |
| 113 | * |
| 114 | * @var bool |
| 115 | */ |
| 116 | protected $_allowSerialization = \true; |
| 117 | /** |
| 118 | * Weither or not the database should be reconnected |
| 119 | * to that adapter when waking up |
| 120 | * |
| 121 | * @var bool |
| 122 | */ |
| 123 | protected $_autoReconnectOnUnserialize = \false; |
| 124 | /** |
| 125 | * Constructor. |
| 126 | * |
| 127 | * $config is an array of key/value pairs or an instance of Zend_Config |
| 128 | * containing configuration options. These options are common to most adapters: |
| 129 | * |
| 130 | * dbname => (string) The name of the database to user |
| 131 | * username => (string) Connect to the database as this username. |
| 132 | * password => (string) Password associated with the username. |
| 133 | * host => (string) What host to connect to, defaults to localhost |
| 134 | * |
| 135 | * Some options are used on a case-by-case basis by adapters: |
| 136 | * |
| 137 | * port => (string) The port of the database |
| 138 | * persistent => (boolean) Whether to use a persistent connection or not, defaults to false |
| 139 | * protocol => (string) The network protocol, defaults to TCPIP |
| 140 | * caseFolding => (int) style of case-alteration used for identifiers |
| 141 | * |
| 142 | * @param array|Zend_Config $config An array or instance of Zend_Config having configuration data |
| 143 | * @throws Zend_Db_Adapter_Exception |
| 144 | */ |
| 145 | public function __construct($config) |
| 146 | { |
| 147 | /* |
| 148 | * Verify that adapter parameters are in an array. |
| 149 | */ |
| 150 | if (!\is_array($config)) { |
| 151 | /* |
| 152 | * Convert Zend_Config argument to a plain array. |
| 153 | */ |
| 154 | if ($config instanceof \Zend_Config) { |
| 155 | $config = $config->toArray(); |
| 156 | } else { |
| 157 | /** |
| 158 | * @see Zend_Db_Adapter_Exception |
| 159 | */ |
| 160 | // require_once 'Zend/Db/Adapter/Exception.php'; |
| 161 | throw new \Zend_Db_Adapter_Exception('Adapter parameters must be in an array or a Zend_Config object'); |
| 162 | } |
| 163 | } |
| 164 | $this->_checkRequiredOptions($config); |
| 165 | $options = array(\Zend_Db::CASE_FOLDING => $this->_caseFolding, \Zend_Db::AUTO_QUOTE_IDENTIFIERS => $this->_autoQuoteIdentifiers, \Zend_Db::FETCH_MODE => $this->_fetchMode); |
| 166 | $driverOptions = array(); |
| 167 | /* |
| 168 | * normalize the config and merge it with the defaults |
| 169 | */ |
| 170 | if (\array_key_exists('options', $config)) { |
| 171 | // can't use array_merge() because keys might be integers |
| 172 | foreach ((array) $config['options'] as $key => $value) { |
| 173 | $options[$key] = $value; |
| 174 | } |
| 175 | } |
| 176 | if (\array_key_exists('driver_options', $config)) { |
| 177 | if (!empty($config['driver_options'])) { |
| 178 | // can't use array_merge() because keys might be integers |
| 179 | foreach ((array) $config['driver_options'] as $key => $value) { |
| 180 | $driverOptions[$key] = $value; |
| 181 | } |
| 182 | } |
| 183 | } |
| 184 | if (!isset($config['charset'])) { |
| 185 | $config['charset'] = null; |
| 186 | } |
| 187 | if (!isset($config['persistent'])) { |
| 188 | $config['persistent'] = \false; |
| 189 | } |
| 190 | $this->_config = \array_merge($this->_config, $config); |
| 191 | $this->_config['options'] = $options; |
| 192 | $this->_config['driver_options'] = $driverOptions; |
| 193 | // obtain the case setting, if there is one |
| 194 | if (\array_key_exists(\Zend_Db::CASE_FOLDING, $options)) { |
| 195 | $case = (int) $options[\Zend_Db::CASE_FOLDING]; |
| 196 | switch ($case) { |
| 197 | case \Zend_Db::CASE_LOWER: |
| 198 | case \Zend_Db::CASE_UPPER: |
| 199 | case \Zend_Db::CASE_NATURAL: |
| 200 | $this->_caseFolding = $case; |
| 201 | break; |
| 202 | default: |
| 203 | /** @see Zend_Db_Adapter_Exception */ |
| 204 | // require_once 'Zend/Db/Adapter/Exception.php'; |
| 205 | throw new \Zend_Db_Adapter_Exception('Case must be one of the following constants: ' . 'Zend_Db::CASE_NATURAL, Zend_Db::CASE_LOWER, Zend_Db::CASE_UPPER'); |
| 206 | } |
| 207 | } |
| 208 | if (\array_key_exists(\Zend_Db::FETCH_MODE, $options)) { |
| 209 | if (\is_string($options[\Zend_Db::FETCH_MODE])) { |
| 210 | $constant = 'Zend_Db::FETCH_' . \strtoupper($options[\Zend_Db::FETCH_MODE]); |
| 211 | if (\defined($constant)) { |
| 212 | $options[\Zend_Db::FETCH_MODE] = \constant($constant); |
| 213 | } |
| 214 | } |
| 215 | $this->setFetchMode((int) $options[\Zend_Db::FETCH_MODE]); |
| 216 | } |
| 217 | // obtain quoting property if there is one |
| 218 | if (\array_key_exists(\Zend_Db::AUTO_QUOTE_IDENTIFIERS, $options)) { |
| 219 | $this->_autoQuoteIdentifiers = (bool) $options[\Zend_Db::AUTO_QUOTE_IDENTIFIERS]; |
| 220 | } |
| 221 | // obtain allow serialization property if there is one |
| 222 | if (\array_key_exists(\Zend_Db::ALLOW_SERIALIZATION, $options)) { |
| 223 | $this->_allowSerialization = (bool) $options[\Zend_Db::ALLOW_SERIALIZATION]; |
| 224 | } |
| 225 | // obtain auto reconnect on unserialize property if there is one |
| 226 | if (\array_key_exists(\Zend_Db::AUTO_RECONNECT_ON_UNSERIALIZE, $options)) { |
| 227 | $this->_autoReconnectOnUnserialize = (bool) $options[\Zend_Db::AUTO_RECONNECT_ON_UNSERIALIZE]; |
| 228 | } |
| 229 | // create a profiler object |
| 230 | $profiler = \false; |
| 231 | if (\array_key_exists(\Zend_Db::PROFILER, $this->_config)) { |
| 232 | $profiler = $this->_config[\Zend_Db::PROFILER]; |
| 233 | unset($this->_config[\Zend_Db::PROFILER]); |
| 234 | } |
| 235 | $this->setProfiler($profiler); |
| 236 | } |
| 237 | /** |
| 238 | * Check for config options that are mandatory. |
| 239 | * Throw exceptions if any are missing. |
| 240 | * |
| 241 | * @param array $config |
| 242 | * @throws Zend_Db_Adapter_Exception |
| 243 | */ |
| 244 | protected function _checkRequiredOptions(array $config) |
| 245 | { |
| 246 | // we need at least a dbname |
| 247 | if (!\array_key_exists('dbname', $config)) { |
| 248 | /** @see Zend_Db_Adapter_Exception */ |
| 249 | // require_once 'Zend/Db/Adapter/Exception.php'; |
| 250 | throw new \Zend_Db_Adapter_Exception("Configuration array must have a key for 'dbname' that names the database instance"); |
| 251 | } |
| 252 | if (!\array_key_exists('password', $config)) { |
| 253 | /** |
| 254 | * @see Zend_Db_Adapter_Exception |
| 255 | */ |
| 256 | // require_once 'Zend/Db/Adapter/Exception.php'; |
| 257 | throw new \Zend_Db_Adapter_Exception("Configuration array must have a key for 'password' for login credentials"); |
| 258 | } |
| 259 | if (!\array_key_exists('username', $config)) { |
| 260 | /** |
| 261 | * @see Zend_Db_Adapter_Exception |
| 262 | */ |
| 263 | // require_once 'Zend/Db/Adapter/Exception.php'; |
| 264 | throw new \Zend_Db_Adapter_Exception("Configuration array must have a key for 'username' for login credentials"); |
| 265 | } |
| 266 | } |
| 267 | /** |
| 268 | * Returns the underlying database connection object or resource. |
| 269 | * If not presently connected, this initiates the connection. |
| 270 | * |
| 271 | * @return object|resource|null |
| 272 | */ |
| 273 | public function getConnection() |
| 274 | { |
| 275 | $this->_connect(); |
| 276 | return $this->_connection; |
| 277 | } |
| 278 | /** |
| 279 | * Returns the configuration variables in this adapter. |
| 280 | * |
| 281 | * @return array |
| 282 | */ |
| 283 | public function getConfig() |
| 284 | { |
| 285 | return $this->_config; |
| 286 | } |
| 287 | /** |
| 288 | * Set the adapter's profiler object. |
| 289 | * |
| 290 | * The argument may be a boolean, an associative array, an instance of |
| 291 | * Zend_Db_Profiler, or an instance of Zend_Config. |
| 292 | * |
| 293 | * A boolean argument sets the profiler to enabled if true, or disabled if |
| 294 | * false. The profiler class is the adapter's default profiler class, |
| 295 | * Zend_Db_Profiler. |
| 296 | * |
| 297 | * An instance of Zend_Db_Profiler sets the adapter's instance to that |
| 298 | * object. The profiler is enabled and disabled separately. |
| 299 | * |
| 300 | * An associative array argument may contain any of the keys 'enabled', |
| 301 | * 'class', and 'instance'. The 'enabled' and 'instance' keys correspond to the |
| 302 | * boolean and object types documented above. The 'class' key is used to name a |
| 303 | * class to use for a custom profiler. The class must be Zend_Db_Profiler or a |
| 304 | * subclass. The class is instantiated with no constructor arguments. The 'class' |
| 305 | * option is ignored when the 'instance' option is supplied. |
| 306 | * |
| 307 | * An object of type Zend_Config may contain the properties 'enabled', 'class', and |
| 308 | * 'instance', just as if an associative array had been passed instead. |
| 309 | * |
| 310 | * @param Zend_Db_Profiler|Zend_Config|array|boolean $profiler |
| 311 | * @return Zend_Db_Adapter_Abstract Provides a fluent interface |
| 312 | * @throws Zend_Db_Profiler_Exception if the object instance or class specified |
| 313 | * is not Zend_Db_Profiler or an extension of that class. |
| 314 | */ |
| 315 | public function setProfiler($profiler) |
| 316 | { |
| 317 | $enabled = null; |
| 318 | $profilerClass = $this->_defaultProfilerClass; |
| 319 | $profilerInstance = null; |
| 320 | if ($profilerIsObject = \is_object($profiler)) { |
| 321 | if ($profiler instanceof \Zend_Db_Profiler) { |
| 322 | $profilerInstance = $profiler; |
| 323 | } else { |
| 324 | if ($profiler instanceof \Zend_Config) { |
| 325 | $profiler = $profiler->toArray(); |
| 326 | } else { |
| 327 | /** |
| 328 | * @see Zend_Db_Profiler_Exception |
| 329 | */ |
| 330 | // require_once 'Zend/Db/Profiler/Exception.php'; |
| 331 | throw new \Zend_Db_Profiler_Exception('Profiler argument must be an instance of either Zend_Db_Profiler' . ' or Zend_Config when provided as an object'); |
| 332 | } |
| 333 | } |
| 334 | } |
| 335 | if (\is_array($profiler)) { |
| 336 | if (isset($profiler['enabled'])) { |
| 337 | $enabled = (bool) $profiler['enabled']; |
| 338 | } |
| 339 | if (isset($profiler['class'])) { |
| 340 | $profilerClass = $profiler['class']; |
| 341 | } |
| 342 | if (isset($profiler['instance'])) { |
| 343 | $profilerInstance = $profiler['instance']; |
| 344 | } |
| 345 | } else { |
| 346 | if (!$profilerIsObject) { |
| 347 | $enabled = (bool) $profiler; |
| 348 | } |
| 349 | } |
| 350 | if ($profilerInstance === null) { |
| 351 | if (!\class_exists($profilerClass)) { |
| 352 | // require_once 'Zend/Loader.php'; |
| 353 | \Zend_Loader::loadClass($profilerClass); |
| 354 | } |
| 355 | $profilerInstance = new $profilerClass(); |
| 356 | } |
| 357 | if (!$profilerInstance instanceof \Zend_Db_Profiler) { |
| 358 | /** @see Zend_Db_Profiler_Exception */ |
| 359 | // require_once 'Zend/Db/Profiler/Exception.php'; |
| 360 | throw new \Zend_Db_Profiler_Exception('Class ' . \get_class($profilerInstance) . ' does not extend ' . 'Zend_Db_Profiler'); |
| 361 | } |
| 362 | if (null !== $enabled) { |
| 363 | $profilerInstance->setEnabled($enabled); |
| 364 | } |
| 365 | $this->_profiler = $profilerInstance; |
| 366 | return $this; |
| 367 | } |
| 368 | /** |
| 369 | * Returns the profiler for this adapter. |
| 370 | * |
| 371 | * @return Zend_Db_Profiler |
| 372 | */ |
| 373 | public function getProfiler() |
| 374 | { |
| 375 | return $this->_profiler; |
| 376 | } |
| 377 | /** |
| 378 | * Get the default statement class. |
| 379 | * |
| 380 | * @return string |
| 381 | */ |
| 382 | public function getStatementClass() |
| 383 | { |
| 384 | return $this->_defaultStmtClass; |
| 385 | } |
| 386 | /** |
| 387 | * Set the default statement class. |
| 388 | * |
| 389 | * @return Zend_Db_Adapter_Abstract Fluent interface |
| 390 | */ |
| 391 | public function setStatementClass($class) |
| 392 | { |
| 393 | $this->_defaultStmtClass = $class; |
| 394 | return $this; |
| 395 | } |
| 396 | /** |
| 397 | * Prepares and executes an SQL statement with bound data. |
| 398 | * |
| 399 | * @param mixed $sql The SQL statement with placeholders. |
| 400 | * May be a string or Zend_Db_Select. |
| 401 | * @param mixed $bind An array of data to bind to the placeholders. |
| 402 | * @return Zend_Db_Statement_Interface |
| 403 | */ |
| 404 | public function query($sql, $bind = array()) |
| 405 | { |
| 406 | // connect to the database if needed |
| 407 | $this->_connect(); |
| 408 | // is the $sql a Zend_Db_Select object? |
| 409 | if ($sql instanceof \Zend_Db_Select) { |
| 410 | if (empty($bind)) { |
| 411 | $bind = $sql->getBind(); |
| 412 | } |
| 413 | $sql = $sql->assemble(); |
| 414 | } |
| 415 | // make sure $bind to an array; |
| 416 | // don't use (array) typecasting because |
| 417 | // because $bind may be a Zend_Db_Expr object |
| 418 | if (!\is_array($bind)) { |
| 419 | $bind = array($bind); |
| 420 | } |
| 421 | // prepare and execute the statement with profiling |
| 422 | $stmt = $this->prepare($sql); |
| 423 | $stmt->execute($bind); |
| 424 | // return the results embedded in the prepared statement object |
| 425 | $stmt->setFetchMode($this->_fetchMode); |
| 426 | return $stmt; |
| 427 | } |
| 428 | /** |
| 429 | * Leave autocommit mode and begin a transaction. |
| 430 | * |
| 431 | * @return Zend_Db_Adapter_Abstract |
| 432 | */ |
| 433 | public function beginTransaction() |
| 434 | { |
| 435 | $this->_connect(); |
| 436 | $q = $this->_profiler->queryStart('begin', \Zend_Db_Profiler::TRANSACTION); |
| 437 | $this->_beginTransaction(); |
| 438 | $this->_profiler->queryEnd($q); |
| 439 | return $this; |
| 440 | } |
| 441 | /** |
| 442 | * Commit a transaction and return to autocommit mode. |
| 443 | * |
| 444 | * @return Zend_Db_Adapter_Abstract |
| 445 | */ |
| 446 | public function commit() |
| 447 | { |
| 448 | $this->_connect(); |
| 449 | $q = $this->_profiler->queryStart('commit', \Zend_Db_Profiler::TRANSACTION); |
| 450 | $this->_commit(); |
| 451 | $this->_profiler->queryEnd($q); |
| 452 | return $this; |
| 453 | } |
| 454 | /** |
| 455 | * Roll back a transaction and return to autocommit mode. |
| 456 | * |
| 457 | * @return Zend_Db_Adapter_Abstract |
| 458 | */ |
| 459 | public function rollBack() |
| 460 | { |
| 461 | $this->_connect(); |
| 462 | $q = $this->_profiler->queryStart('rollback', \Zend_Db_Profiler::TRANSACTION); |
| 463 | $this->_rollBack(); |
| 464 | $this->_profiler->queryEnd($q); |
| 465 | return $this; |
| 466 | } |
| 467 | /** |
| 468 | * Inserts a table row with specified data. |
| 469 | * |
| 470 | * @param mixed $table The table to insert data into. |
| 471 | * @param array $bind Column-value pairs. |
| 472 | * @return int The number of affected rows. |
| 473 | * @throws Zend_Db_Adapter_Exception |
| 474 | */ |
| 475 | public function insert($table, array $bind) |
| 476 | { |
| 477 | // extract and quote col names from the array keys |
| 478 | $cols = array(); |
| 479 | $vals = array(); |
| 480 | $i = 0; |
| 481 | foreach ($bind as $col => $val) { |
| 482 | $cols[] = $this->quoteIdentifier($col, \true); |
| 483 | if ($val instanceof \Zend_Db_Expr) { |
| 484 | $vals[] = $val->__toString(); |
| 485 | unset($bind[$col]); |
| 486 | } else { |
| 487 | if ($this->supportsParameters('positional')) { |
| 488 | $vals[] = '?'; |
| 489 | } else { |
| 490 | if ($this->supportsParameters('named')) { |
| 491 | unset($bind[$col]); |
| 492 | $bind[':col' . $i] = $val; |
| 493 | $vals[] = ':col' . $i; |
| 494 | $i++; |
| 495 | } else { |
| 496 | /** @see Zend_Db_Adapter_Exception */ |
| 497 | // require_once 'Zend/Db/Adapter/Exception.php'; |
| 498 | throw new \Zend_Db_Adapter_Exception(\get_class($this) . " doesn't support positional or named binding"); |
| 499 | } |
| 500 | } |
| 501 | } |
| 502 | } |
| 503 | // build the statement |
| 504 | $sql = "INSERT INTO " . $this->quoteIdentifier($table, \true) . ' (' . \implode(', ', $cols) . ') ' . 'VALUES (' . \implode(', ', $vals) . ')'; |
| 505 | // execute the statement and return the number of affected rows |
| 506 | if ($this->supportsParameters('positional')) { |
| 507 | $bind = \array_values($bind); |
| 508 | } |
| 509 | $stmt = $this->query($sql, $bind); |
| 510 | $result = $stmt->rowCount(); |
| 511 | return $result; |
| 512 | } |
| 513 | /** |
| 514 | * Updates table rows with specified data based on a WHERE clause. |
| 515 | * |
| 516 | * @param mixed $table The table to update. |
| 517 | * @param array $bind Column-value pairs. |
| 518 | * @param mixed $where UPDATE WHERE clause(s). |
| 519 | * @return int The number of affected rows. |
| 520 | * @throws Zend_Db_Adapter_Exception |
| 521 | */ |
| 522 | public function update($table, array $bind, $where = '') |
| 523 | { |
| 524 | /** |
| 525 | * Build "col = ?" pairs for the statement, |
| 526 | * except for Zend_Db_Expr which is treated literally. |
| 527 | */ |
| 528 | $set = array(); |
| 529 | $i = 0; |
| 530 | foreach ($bind as $col => $val) { |
| 531 | if ($val instanceof \Zend_Db_Expr) { |
| 532 | $val = $val->__toString(); |
| 533 | unset($bind[$col]); |
| 534 | } else { |
| 535 | if ($this->supportsParameters('positional')) { |
| 536 | $val = '?'; |
| 537 | } else { |
| 538 | if ($this->supportsParameters('named')) { |
| 539 | unset($bind[$col]); |
| 540 | $bind[':col' . $i] = $val; |
| 541 | $val = ':col' . $i; |
| 542 | $i++; |
| 543 | } else { |
| 544 | /** @see Zend_Db_Adapter_Exception */ |
| 545 | // require_once 'Zend/Db/Adapter/Exception.php'; |
| 546 | throw new \Zend_Db_Adapter_Exception(\get_class($this) . " doesn't support positional or named binding"); |
| 547 | } |
| 548 | } |
| 549 | } |
| 550 | $set[] = $this->quoteIdentifier($col, \true) . ' = ' . $val; |
| 551 | } |
| 552 | $where = $this->_whereExpr($where); |
| 553 | /** |
| 554 | * Build the UPDATE statement |
| 555 | */ |
| 556 | $sql = "UPDATE " . $this->quoteIdentifier($table, \true) . ' SET ' . \implode(', ', $set) . ($where ? " WHERE {$where}" : ''); |
| 557 | /** |
| 558 | * Execute the statement and return the number of affected rows |
| 559 | */ |
| 560 | if ($this->supportsParameters('positional')) { |
| 561 | $stmt = $this->query($sql, \array_values($bind)); |
| 562 | } else { |
| 563 | $stmt = $this->query($sql, $bind); |
| 564 | } |
| 565 | $result = $stmt->rowCount(); |
| 566 | return $result; |
| 567 | } |
| 568 | /** |
| 569 | * Deletes table rows based on a WHERE clause. |
| 570 | * |
| 571 | * @param mixed $table The table to update. |
| 572 | * @param mixed $where DELETE WHERE clause(s). |
| 573 | * @return int The number of affected rows. |
| 574 | */ |
| 575 | public function delete($table, $where = '') |
| 576 | { |
| 577 | $where = $this->_whereExpr($where); |
| 578 | /** |
| 579 | * Build the DELETE statement |
| 580 | */ |
| 581 | $sql = "DELETE FROM " . $this->quoteIdentifier($table, \true) . ($where ? " WHERE {$where}" : ''); |
| 582 | /** |
| 583 | * Execute the statement and return the number of affected rows |
| 584 | */ |
| 585 | $stmt = $this->query($sql); |
| 586 | $result = $stmt->rowCount(); |
| 587 | return $result; |
| 588 | } |
| 589 | /** |
| 590 | * Convert an array, string, or Zend_Db_Expr object |
| 591 | * into a string to put in a WHERE clause. |
| 592 | * |
| 593 | * @param mixed $where |
| 594 | * @return string |
| 595 | */ |
| 596 | protected function _whereExpr($where) |
| 597 | { |
| 598 | if (empty($where)) { |
| 599 | return $where; |
| 600 | } |
| 601 | if (!\is_array($where)) { |
| 602 | $where = array($where); |
| 603 | } |
| 604 | foreach ($where as $cond => &$term) { |
| 605 | // is $cond an int? (i.e. Not a condition) |
| 606 | if (\is_int($cond)) { |
| 607 | // $term is the full condition |
| 608 | if ($term instanceof \Zend_Db_Expr) { |
| 609 | $term = $term->__toString(); |
| 610 | } |
| 611 | } else { |
| 612 | // $cond is the condition with placeholder, |
| 613 | // and $term is quoted into the condition |
| 614 | $term = $this->quoteInto($cond, $term); |
| 615 | } |
| 616 | $term = '(' . $term . ')'; |
| 617 | } |
| 618 | $where = \implode(' AND ', $where); |
| 619 | return $where; |
| 620 | } |
| 621 | /** |
| 622 | * Creates and returns a new Zend_Db_Select object for this adapter. |
| 623 | * |
| 624 | * @return Zend_Db_Select |
| 625 | */ |
| 626 | public function select() |
| 627 | { |
| 628 | return new \Zend_Db_Select($this); |
| 629 | } |
| 630 | /** |
| 631 | * Get the fetch mode. |
| 632 | * |
| 633 | * @return int |
| 634 | */ |
| 635 | public function getFetchMode() |
| 636 | { |
| 637 | return $this->_fetchMode; |
| 638 | } |
| 639 | /** |
| 640 | * Fetches all SQL result rows as a sequential array. |
| 641 | * Uses the current fetchMode for the adapter. |
| 642 | * |
| 643 | * @param string|Zend_Db_Select $sql An SQL SELECT statement. |
| 644 | * @param mixed $bind Data to bind into SELECT placeholders. |
| 645 | * @param mixed $fetchMode Override current fetch mode. |
| 646 | * @return array |
| 647 | */ |
| 648 | public function fetchAll($sql, $bind = array(), $fetchMode = null) |
| 649 | { |
| 650 | if ($fetchMode === null) { |
| 651 | $fetchMode = $this->_fetchMode; |
| 652 | } |
| 653 | $stmt = $this->query($sql, $bind); |
| 654 | $result = $stmt->fetchAll($fetchMode); |
| 655 | return $result; |
| 656 | } |
| 657 | /** |
| 658 | * Fetches the first row of the SQL result. |
| 659 | * Uses the current fetchMode for the adapter. |
| 660 | * |
| 661 | * @param string|Zend_Db_Select $sql An SQL SELECT statement. |
| 662 | * @param mixed $bind Data to bind into SELECT placeholders. |
| 663 | * @param mixed $fetchMode Override current fetch mode. |
| 664 | * @return array |
| 665 | */ |
| 666 | public function fetchRow($sql, $bind = array(), $fetchMode = null) |
| 667 | { |
| 668 | if ($fetchMode === null) { |
| 669 | $fetchMode = $this->_fetchMode; |
| 670 | } |
| 671 | $stmt = $this->query($sql, $bind); |
| 672 | $result = $stmt->fetch($fetchMode); |
| 673 | return $result; |
| 674 | } |
| 675 | /** |
| 676 | * Fetches all SQL result rows as an associative array. |
| 677 | * |
| 678 | * The first column is the key, the entire row array is the |
| 679 | * value. You should construct the query to be sure that |
| 680 | * the first column contains unique values, or else |
| 681 | * rows with duplicate values in the first column will |
| 682 | * overwrite previous data. |
| 683 | * |
| 684 | * @param string|Zend_Db_Select $sql An SQL SELECT statement. |
| 685 | * @param mixed $bind Data to bind into SELECT placeholders. |
| 686 | * @return array |
| 687 | */ |
| 688 | public function fetchAssoc($sql, $bind = array()) |
| 689 | { |
| 690 | $stmt = $this->query($sql, $bind); |
| 691 | $data = array(); |
| 692 | while ($row = $stmt->fetch(\Zend_Db::FETCH_ASSOC)) { |
| 693 | $tmp = \array_values(\array_slice($row, 0, 1)); |
| 694 | $data[$tmp[0]] = $row; |
| 695 | } |
| 696 | return $data; |
| 697 | } |
| 698 | /** |
| 699 | * Fetches the first column of all SQL result rows as an array. |
| 700 | * |
| 701 | * @param string|Zend_Db_Select $sql An SQL SELECT statement. |
| 702 | * @param mixed $bind Data to bind into SELECT placeholders. |
| 703 | * @return array |
| 704 | */ |
| 705 | public function fetchCol($sql, $bind = array()) |
| 706 | { |
| 707 | $stmt = $this->query($sql, $bind); |
| 708 | $result = $stmt->fetchAll(\Zend_Db::FETCH_COLUMN, 0); |
| 709 | return $result; |
| 710 | } |
| 711 | /** |
| 712 | * Fetches all SQL result rows as an array of key-value pairs. |
| 713 | * |
| 714 | * The first column is the key, the second column is the |
| 715 | * value. |
| 716 | * |
| 717 | * @param string|Zend_Db_Select $sql An SQL SELECT statement. |
| 718 | * @param mixed $bind Data to bind into SELECT placeholders. |
| 719 | * @return array |
| 720 | */ |
| 721 | public function fetchPairs($sql, $bind = array()) |
| 722 | { |
| 723 | $stmt = $this->query($sql, $bind); |
| 724 | $data = array(); |
| 725 | while ($row = $stmt->fetch(\Zend_Db::FETCH_NUM)) { |
| 726 | $data[$row[0]] = $row[1]; |
| 727 | } |
| 728 | return $data; |
| 729 | } |
| 730 | /** |
| 731 | * Fetches the first column of the first row of the SQL result. |
| 732 | * |
| 733 | * @param string|Zend_Db_Select $sql An SQL SELECT statement. |
| 734 | * @param mixed $bind Data to bind into SELECT placeholders. |
| 735 | * @return string |
| 736 | */ |
| 737 | public function fetchOne($sql, $bind = array()) |
| 738 | { |
| 739 | $stmt = $this->query($sql, $bind); |
| 740 | $result = $stmt->fetchColumn(0); |
| 741 | return $result; |
| 742 | } |
| 743 | /** |
| 744 | * Quote a raw string. |
| 745 | * |
| 746 | * @param string $value Raw string |
| 747 | * @return string Quoted string |
| 748 | */ |
| 749 | protected function _quote($value) |
| 750 | { |
| 751 | if (\is_int($value)) { |
| 752 | return $value; |
| 753 | } elseif (\is_float($value)) { |
| 754 | return \sprintf('%F', $value); |
| 755 | } |
| 756 | return "'" . \addcslashes($value, "\x00\n\r\\'\"\x1a") . "'"; |
| 757 | } |
| 758 | /** |
| 759 | * Safely quotes a value for an SQL statement. |
| 760 | * |
| 761 | * If an array is passed as the value, the array values are quoted |
| 762 | * and then returned as a comma-separated string. |
| 763 | * |
| 764 | * @param mixed $value The value to quote. |
| 765 | * @param mixed $type OPTIONAL the SQL datatype name, or constant, or null. |
| 766 | * @return mixed An SQL-safe quoted value (or string of separated values). |
| 767 | */ |
| 768 | public function quote($value, $type = null) |
| 769 | { |
| 770 | $this->_connect(); |
| 771 | if ($value instanceof \Zend_Db_Select) { |
| 772 | return '(' . $value->assemble() . ')'; |
| 773 | } |
| 774 | if ($value instanceof \Zend_Db_Expr) { |
| 775 | return $value->__toString(); |
| 776 | } |
| 777 | if (\is_array($value)) { |
| 778 | foreach ($value as &$val) { |
| 779 | $val = $this->quote($val, $type); |
| 780 | } |
| 781 | return \implode(', ', $value); |
| 782 | } |
| 783 | if ($type !== null && \array_key_exists($type = \strtoupper($type), $this->_numericDataTypes)) { |
| 784 | $quotedValue = '0'; |
| 785 | switch ($this->_numericDataTypes[$type]) { |
| 786 | case \Zend_Db::INT_TYPE: |
| 787 | // 32-bit integer |
| 788 | $quotedValue = (string) \intval($value); |
| 789 | break; |
| 790 | case \Zend_Db::BIGINT_TYPE: |
| 791 | // 64-bit integer |
| 792 | // ANSI SQL-style hex literals (e.g. x'[\dA-F]+') |
| 793 | // are not supported here, because these are string |
| 794 | // literals, not numeric literals. |
| 795 | if (\preg_match('/^( |
| 796 | [+-]? # optional sign |
| 797 | (?: |
| 798 | 0[Xx][\\da-fA-F]+ # ODBC-style hexadecimal |
| 799 | |\\d+ # decimal or octal, or MySQL ZEROFILL decimal |
| 800 | (?:[eE][+-]?\\d+)? # optional exponent on decimals or octals |
| 801 | ) |
| 802 | )/x', (string) $value, $matches)) { |
| 803 | $quotedValue = $matches[1]; |
| 804 | } |
| 805 | break; |
| 806 | case \Zend_Db::FLOAT_TYPE: |
| 807 | // float or decimal |
| 808 | $quotedValue = \sprintf('%F', $value); |
| 809 | } |
| 810 | return $quotedValue; |
| 811 | } |
| 812 | return $this->_quote($value); |
| 813 | } |
| 814 | /** |
| 815 | * Quotes a value and places into a piece of text at a placeholder. |
| 816 | * |
| 817 | * The placeholder is a question-mark; all placeholders will be replaced |
| 818 | * with the quoted value. For example: |
| 819 | * |
| 820 | * <code> |
| 821 | * $text = "WHERE date < ?"; |
| 822 | * $date = "2005-01-02"; |
| 823 | * $safe = $sql->quoteInto($text, $date); |
| 824 | * // $safe = "WHERE date < '2005-01-02'" |
| 825 | * </code> |
| 826 | * |
| 827 | * @param string $text The text with a placeholder. |
| 828 | * @param mixed $value The value to quote. |
| 829 | * @param string $type OPTIONAL SQL datatype |
| 830 | * @param integer $count OPTIONAL count of placeholders to replace |
| 831 | * @return string An SQL-safe quoted value placed into the original text. |
| 832 | */ |
| 833 | public function quoteInto($text, $value, $type = null, $count = null) |
| 834 | { |
| 835 | if ($count === null) { |
| 836 | return \str_replace('?', $this->quote($value, $type), $text); |
| 837 | } else { |
| 838 | while ($count > 0) { |
| 839 | if (\strpos($text, '?') !== \false) { |
| 840 | $text = \substr_replace($text, $this->quote($value, $type), \strpos($text, '?'), 1); |
| 841 | } |
| 842 | --$count; |
| 843 | } |
| 844 | return $text; |
| 845 | } |
| 846 | } |
| 847 | /** |
| 848 | * Quotes an identifier. |
| 849 | * |
| 850 | * Accepts a string representing a qualified indentifier. For Example: |
| 851 | * <code> |
| 852 | * $adapter->quoteIdentifier('myschema.mytable') |
| 853 | * </code> |
| 854 | * Returns: "myschema"."mytable" |
| 855 | * |
| 856 | * Or, an array of one or more identifiers that may form a qualified identifier: |
| 857 | * <code> |
| 858 | * $adapter->quoteIdentifier(array('myschema','my.table')) |
| 859 | * </code> |
| 860 | * Returns: "myschema"."my.table" |
| 861 | * |
| 862 | * The actual quote character surrounding the identifiers may vary depending on |
| 863 | * the adapter. |
| 864 | * |
| 865 | * @param string|array|Zend_Db_Expr $ident The identifier. |
| 866 | * @param boolean $auto If true, heed the AUTO_QUOTE_IDENTIFIERS config option. |
| 867 | * @return string The quoted identifier. |
| 868 | */ |
| 869 | public function quoteIdentifier($ident, $auto = \false) |
| 870 | { |
| 871 | return $this->_quoteIdentifierAs($ident, null, $auto); |
| 872 | } |
| 873 | /** |
| 874 | * Quote a column identifier and alias. |
| 875 | * |
| 876 | * @param string|array|Zend_Db_Expr $ident The identifier or expression. |
| 877 | * @param string $alias An alias for the column. |
| 878 | * @param boolean $auto If true, heed the AUTO_QUOTE_IDENTIFIERS config option. |
| 879 | * @return string The quoted identifier and alias. |
| 880 | */ |
| 881 | public function quoteColumnAs($ident, $alias, $auto = \false) |
| 882 | { |
| 883 | return $this->_quoteIdentifierAs($ident, $alias, $auto); |
| 884 | } |
| 885 | /** |
| 886 | * Quote a table identifier and alias. |
| 887 | * |
| 888 | * @param string|array|Zend_Db_Expr $ident The identifier or expression. |
| 889 | * @param string $alias An alias for the table. |
| 890 | * @param boolean $auto If true, heed the AUTO_QUOTE_IDENTIFIERS config option. |
| 891 | * @return string The quoted identifier and alias. |
| 892 | */ |
| 893 | public function quoteTableAs($ident, $alias = null, $auto = \false) |
| 894 | { |
| 895 | return $this->_quoteIdentifierAs($ident, $alias, $auto); |
| 896 | } |
| 897 | /** |
| 898 | * Quote an identifier and an optional alias. |
| 899 | * |
| 900 | * @param string|array|Zend_Db_Expr $ident The identifier or expression. |
| 901 | * @param string $alias An optional alias. |
| 902 | * @param boolean $auto If true, heed the AUTO_QUOTE_IDENTIFIERS config option. |
| 903 | * @param string $as The string to add between the identifier/expression and the alias. |
| 904 | * @return string The quoted identifier and alias. |
| 905 | */ |
| 906 | protected function _quoteIdentifierAs($ident, $alias = null, $auto = \false, $as = ' AS ') |
| 907 | { |
| 908 | if ($ident instanceof \Zend_Db_Expr) { |
| 909 | $quoted = $ident->__toString(); |
| 910 | } elseif ($ident instanceof \Zend_Db_Select) { |
| 911 | $quoted = '(' . $ident->assemble() . ')'; |
| 912 | } else { |
| 913 | if (\is_string($ident)) { |
| 914 | $ident = \explode('.', $ident); |
| 915 | } |
| 916 | if (\is_array($ident)) { |
| 917 | $segments = array(); |
| 918 | foreach ($ident as $segment) { |
| 919 | if ($segment instanceof \Zend_Db_Expr) { |
| 920 | $segments[] = $segment->__toString(); |
| 921 | } else { |
| 922 | $segments[] = $this->_quoteIdentifier($segment, $auto); |
| 923 | } |
| 924 | } |
| 925 | if ($alias !== null && \end($ident) == $alias) { |
| 926 | $alias = null; |
| 927 | } |
| 928 | $quoted = \implode('.', $segments); |
| 929 | } else { |
| 930 | $quoted = $this->_quoteIdentifier($ident, $auto); |
| 931 | } |
| 932 | } |
| 933 | if ($alias !== null) { |
| 934 | $quoted .= $as . $this->_quoteIdentifier($alias, $auto); |
| 935 | } |
| 936 | return $quoted; |
| 937 | } |
| 938 | /** |
| 939 | * Quote an identifier. |
| 940 | * |
| 941 | * @param string $value The identifier or expression. |
| 942 | * @param boolean $auto If true, heed the AUTO_QUOTE_IDENTIFIERS config option. |
| 943 | * @return string The quoted identifier and alias. |
| 944 | */ |
| 945 | protected function _quoteIdentifier($value, $auto = \false) |
| 946 | { |
| 947 | if ($auto === \false || $this->_autoQuoteIdentifiers === \true) { |
| 948 | $q = $this->getQuoteIdentifierSymbol(); |
| 949 | return $q . \str_replace("{$q}", "{$q}{$q}", $value) . $q; |
| 950 | } |
| 951 | return $value; |
| 952 | } |
| 953 | /** |
| 954 | * Returns the symbol the adapter uses for delimited identifiers. |
| 955 | * |
| 956 | * @return string |
| 957 | */ |
| 958 | public function getQuoteIdentifierSymbol() |
| 959 | { |
| 960 | return '"'; |
| 961 | } |
| 962 | /** |
| 963 | * Return the most recent value from the specified sequence in the database. |
| 964 | * This is supported only on RDBMS brands that support sequences |
| 965 | * (e.g. Oracle, PostgreSQL, DB2). Other RDBMS brands return null. |
| 966 | * |
| 967 | * @param string $sequenceName |
| 968 | * @return string |
| 969 | */ |
| 970 | public function lastSequenceId($sequenceName) |
| 971 | { |
| 972 | return null; |
| 973 | } |
| 974 | /** |
| 975 | * Generate a new value from the specified sequence in the database, and return it. |
| 976 | * This is supported only on RDBMS brands that support sequences |
| 977 | * (e.g. Oracle, PostgreSQL, DB2). Other RDBMS brands return null. |
| 978 | * |
| 979 | * @param string $sequenceName |
| 980 | * @return string |
| 981 | */ |
| 982 | public function nextSequenceId($sequenceName) |
| 983 | { |
| 984 | return null; |
| 985 | } |
| 986 | /** |
| 987 | * Helper method to change the case of the strings used |
| 988 | * when returning result sets in FETCH_ASSOC and FETCH_BOTH |
| 989 | * modes. |
| 990 | * |
| 991 | * This is not intended to be used by application code, |
| 992 | * but the method must be public so the Statement class |
| 993 | * can invoke it. |
| 994 | * |
| 995 | * @param string $key |
| 996 | * @return string |
| 997 | */ |
| 998 | public function foldCase($key) |
| 999 | { |
| 1000 | switch ($this->_caseFolding) { |
| 1001 | case \Zend_Db::CASE_LOWER: |
| 1002 | $value = \strtolower((string) $key); |
| 1003 | break; |
| 1004 | case \Zend_Db::CASE_UPPER: |
| 1005 | $value = \strtoupper((string) $key); |
| 1006 | break; |
| 1007 | case \Zend_Db::CASE_NATURAL: |
| 1008 | default: |
| 1009 | $value = (string) $key; |
| 1010 | } |
| 1011 | return $value; |
| 1012 | } |
| 1013 | /** |
| 1014 | * called when object is getting serialized |
| 1015 | * This disconnects the DB object that cant be serialized |
| 1016 | * |
| 1017 | * @throws Zend_Db_Adapter_Exception |
| 1018 | * @return array |
| 1019 | */ |
| 1020 | public function __sleep() |
| 1021 | { |
| 1022 | if ($this->_allowSerialization == \false) { |
| 1023 | /** @see Zend_Db_Adapter_Exception */ |
| 1024 | // require_once 'Zend/Db/Adapter/Exception.php'; |
| 1025 | throw new \Zend_Db_Adapter_Exception(\get_class($this) . " is not allowed to be serialized"); |
| 1026 | } |
| 1027 | $this->_connection = \false; |
| 1028 | return \array_keys(\array_diff_key(\get_object_vars($this), array('_connection' => \false))); |
| 1029 | } |
| 1030 | /** |
| 1031 | * called when object is getting unserialized |
| 1032 | * |
| 1033 | * @return void |
| 1034 | */ |
| 1035 | public function __wakeup() |
| 1036 | { |
| 1037 | if ($this->_autoReconnectOnUnserialize == \true) { |
| 1038 | $this->getConnection(); |
| 1039 | } |
| 1040 | } |
| 1041 | /** |
| 1042 | * Abstract Methods |
| 1043 | */ |
| 1044 | /** |
| 1045 | * Returns a list of the tables in the database. |
| 1046 | * |
| 1047 | * @return array |
| 1048 | */ |
| 1049 | public abstract function listTables(); |
| 1050 | /** |
| 1051 | * Returns the column descriptions for a table. |
| 1052 | * |
| 1053 | * The return value is an associative array keyed by the column name, |
| 1054 | * as returned by the RDBMS. |
| 1055 | * |
| 1056 | * The value of each array element is an associative array |
| 1057 | * with the following keys: |
| 1058 | * |
| 1059 | * SCHEMA_NAME => string; name of database or schema |
| 1060 | * TABLE_NAME => string; |
| 1061 | * COLUMN_NAME => string; column name |
| 1062 | * COLUMN_POSITION => number; ordinal position of column in table |
| 1063 | * DATA_TYPE => string; SQL datatype name of column |
| 1064 | * DEFAULT => string; default expression of column, null if none |
| 1065 | * NULLABLE => boolean; true if column can have nulls |
| 1066 | * LENGTH => number; length of CHAR/VARCHAR |
| 1067 | * SCALE => number; scale of NUMERIC/DECIMAL |
| 1068 | * PRECISION => number; precision of NUMERIC/DECIMAL |
| 1069 | * UNSIGNED => boolean; unsigned property of an integer type |
| 1070 | * PRIMARY => boolean; true if column is part of the primary key |
| 1071 | * PRIMARY_POSITION => integer; position of column in primary key |
| 1072 | * |
| 1073 | * @param string $tableName |
| 1074 | * @param string $schemaName OPTIONAL |
| 1075 | * @return array |
| 1076 | */ |
| 1077 | public abstract function describeTable($tableName, $schemaName = null); |
| 1078 | /** |
| 1079 | * Creates a connection to the database. |
| 1080 | * |
| 1081 | * @return void |
| 1082 | */ |
| 1083 | protected abstract function _connect(); |
| 1084 | /** |
| 1085 | * Test if a connection is active |
| 1086 | * |
| 1087 | * @return boolean |
| 1088 | */ |
| 1089 | public abstract function isConnected(); |
| 1090 | /** |
| 1091 | * Force the connection to close. |
| 1092 | * |
| 1093 | * @return void |
| 1094 | */ |
| 1095 | public abstract function closeConnection(); |
| 1096 | /** |
| 1097 | * Prepare a statement and return a PDOStatement-like object. |
| 1098 | * |
| 1099 | * @param string|Zend_Db_Select $sql SQL query |
| 1100 | * @return Zend_Db_Statement|PDOStatement |
| 1101 | */ |
| 1102 | public abstract function prepare($sql); |
| 1103 | /** |
| 1104 | * Gets the last ID generated automatically by an IDENTITY/AUTOINCREMENT column. |
| 1105 | * |
| 1106 | * As a convention, on RDBMS brands that support sequences |
| 1107 | * (e.g. Oracle, PostgreSQL, DB2), this method forms the name of a sequence |
| 1108 | * from the arguments and returns the last id generated by that sequence. |
| 1109 | * On RDBMS brands that support IDENTITY/AUTOINCREMENT columns, this method |
| 1110 | * returns the last value generated for such a column, and the table name |
| 1111 | * argument is disregarded. |
| 1112 | * |
| 1113 | * @param string $tableName OPTIONAL Name of table. |
| 1114 | * @param string $primaryKey OPTIONAL Name of primary key column. |
| 1115 | * @return string |
| 1116 | */ |
| 1117 | public abstract function lastInsertId($tableName = null, $primaryKey = null); |
| 1118 | /** |
| 1119 | * Begin a transaction. |
| 1120 | */ |
| 1121 | protected abstract function _beginTransaction(); |
| 1122 | /** |
| 1123 | * Commit a transaction. |
| 1124 | */ |
| 1125 | protected abstract function _commit(); |
| 1126 | /** |
| 1127 | * Roll-back a transaction. |
| 1128 | */ |
| 1129 | protected abstract function _rollBack(); |
| 1130 | /** |
| 1131 | * Set the fetch mode. |
| 1132 | * |
| 1133 | * @param integer $mode |
| 1134 | * @return void |
| 1135 | * @throws Zend_Db_Adapter_Exception |
| 1136 | */ |
| 1137 | public abstract function setFetchMode($mode); |
| 1138 | /** |
| 1139 | * Adds an adapter-specific LIMIT clause to the SELECT statement. |
| 1140 | * |
| 1141 | * @param mixed $sql |
| 1142 | * @param integer $count |
| 1143 | * @param integer $offset |
| 1144 | * @return string |
| 1145 | */ |
| 1146 | public abstract function limit($sql, $count, $offset = 0); |
| 1147 | /** |
| 1148 | * Check if the adapter supports real SQL parameters. |
| 1149 | * |
| 1150 | * @param string $type 'positional' or 'named' |
| 1151 | * @return bool |
| 1152 | */ |
| 1153 | public abstract function supportsParameters($type); |
| 1154 | /** |
| 1155 | * Retrieve server version in PHP style |
| 1156 | * |
| 1157 | * @return string |
| 1158 | */ |
| 1159 | public abstract function getServerVersion(); |
| 1160 | } |
| 1161 | } |
| 1162 |