Db2
6 years ago
Mysqli
6 years ago
Oracle
6 years ago
Pdo
6 years ago
Sqlsrv
6 years ago
Db2.php
6 years ago
Exception.php
6 years ago
Interface.php
6 years ago
Mysqli.php
6 years ago
Oracle.php
6 years ago
Pdo.php
5 years ago
Sqlsrv.php
6 years ago
Oracle.php
578 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 Statement |
| 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: Oracle.php 23959 2011-05-03 10:45:47Z yoshida@zend.co.jp $ |
| 21 | */ |
| 22 | |
| 23 | /** |
| 24 | * @see Zend_Db_Statement |
| 25 | */ |
| 26 | // require_once 'Zend/Db/Statement.php'; |
| 27 | |
| 28 | /** |
| 29 | * Extends for Oracle. |
| 30 | * |
| 31 | * @category Zend |
| 32 | * @package Zend_Db |
| 33 | * @subpackage Statement |
| 34 | * @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com) |
| 35 | * @license http://framework.zend.com/license/new-bsd New BSD License |
| 36 | */ |
| 37 | class Zend_Db_Statement_Oracle extends Zend_Db_Statement |
| 38 | { |
| 39 | |
| 40 | /** |
| 41 | * Column names. |
| 42 | */ |
| 43 | protected $_keys; |
| 44 | |
| 45 | /** |
| 46 | * Fetched result values. |
| 47 | */ |
| 48 | protected $_values; |
| 49 | |
| 50 | /** |
| 51 | * Check if LOB field are returned as string |
| 52 | * instead of OCI-Lob object |
| 53 | * |
| 54 | * @var boolean |
| 55 | */ |
| 56 | protected $_lobAsString = false; |
| 57 | |
| 58 | /** |
| 59 | * Activate/deactivate return of LOB as string |
| 60 | * |
| 61 | * @param string $lob_as_string |
| 62 | * @return Zend_Db_Statement_Oracle |
| 63 | */ |
| 64 | public function setLobAsString($lob_as_string) |
| 65 | { |
| 66 | $this->_lobAsString = (bool) $lob_as_string; |
| 67 | return $this; |
| 68 | } |
| 69 | |
| 70 | /** |
| 71 | * Return whether or not LOB are returned as string |
| 72 | * |
| 73 | * @return boolean |
| 74 | */ |
| 75 | public function getLobAsString() |
| 76 | { |
| 77 | return $this->_lobAsString; |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * Prepares statement handle |
| 82 | * |
| 83 | * @param string $sql |
| 84 | * @return void |
| 85 | * @throws Zend_Db_Statement_Oracle_Exception |
| 86 | */ |
| 87 | protected function _prepare($sql) |
| 88 | { |
| 89 | $connection = $this->_adapter->getConnection(); |
| 90 | $this->_stmt = @oci_parse($connection, $sql); |
| 91 | if (!$this->_stmt) { |
| 92 | /** |
| 93 | * @see Zend_Db_Statement_Oracle_Exception |
| 94 | */ |
| 95 | // require_once 'Zend/Db/Statement/Oracle/Exception.php'; |
| 96 | throw new Zend_Db_Statement_Oracle_Exception(oci_error($connection)); |
| 97 | } |
| 98 | } |
| 99 | |
| 100 | /** |
| 101 | * Binds a parameter to the specified variable name. |
| 102 | * |
| 103 | * @param mixed $parameter Name the parameter, either integer or string. |
| 104 | * @param mixed $variable Reference to PHP variable containing the value. |
| 105 | * @param mixed $type OPTIONAL Datatype of SQL parameter. |
| 106 | * @param mixed $length OPTIONAL Length of SQL parameter. |
| 107 | * @param mixed $options OPTIONAL Other options. |
| 108 | * @return bool |
| 109 | * @throws Zend_Db_Statement_Exception |
| 110 | */ |
| 111 | protected function _bindParam($parameter, &$variable, $type = null, $length = null, $options = null) |
| 112 | { |
| 113 | // default value |
| 114 | if ($type === NULL) { |
| 115 | $type = SQLT_CHR; |
| 116 | } |
| 117 | |
| 118 | // default value |
| 119 | if ($length === NULL) { |
| 120 | $length = -1; |
| 121 | } |
| 122 | |
| 123 | $retval = @oci_bind_by_name($this->_stmt, $parameter, $variable, $length, $type); |
| 124 | if ($retval === false) { |
| 125 | /** |
| 126 | * @see Zend_Db_Adapter_Oracle_Exception |
| 127 | */ |
| 128 | // require_once 'Zend/Db/Statement/Oracle/Exception.php'; |
| 129 | throw new Zend_Db_Statement_Oracle_Exception(oci_error($this->_stmt)); |
| 130 | } |
| 131 | |
| 132 | return true; |
| 133 | } |
| 134 | |
| 135 | /** |
| 136 | * Closes the cursor, allowing the statement to be executed again. |
| 137 | * |
| 138 | * @return bool |
| 139 | */ |
| 140 | public function closeCursor() |
| 141 | { |
| 142 | if (!$this->_stmt) { |
| 143 | return false; |
| 144 | } |
| 145 | |
| 146 | oci_free_statement($this->_stmt); |
| 147 | $this->_stmt = false; |
| 148 | return true; |
| 149 | } |
| 150 | |
| 151 | /** |
| 152 | * Returns the number of columns in the result set. |
| 153 | * Returns null if the statement has no result set metadata. |
| 154 | * |
| 155 | * @return int The number of columns. |
| 156 | */ |
| 157 | public function columnCount() |
| 158 | { |
| 159 | if (!$this->_stmt) { |
| 160 | return false; |
| 161 | } |
| 162 | |
| 163 | return oci_num_fields($this->_stmt); |
| 164 | } |
| 165 | |
| 166 | |
| 167 | /** |
| 168 | * Retrieves the error code, if any, associated with the last operation on |
| 169 | * the statement handle. |
| 170 | * |
| 171 | * @return string error code. |
| 172 | */ |
| 173 | public function errorCode() |
| 174 | { |
| 175 | if (!$this->_stmt) { |
| 176 | return false; |
| 177 | } |
| 178 | |
| 179 | $error = oci_error($this->_stmt); |
| 180 | |
| 181 | if (!$error) { |
| 182 | return false; |
| 183 | } |
| 184 | |
| 185 | return $error['code']; |
| 186 | } |
| 187 | |
| 188 | |
| 189 | /** |
| 190 | * Retrieves an array of error information, if any, associated with the |
| 191 | * last operation on the statement handle. |
| 192 | * |
| 193 | * @return array |
| 194 | */ |
| 195 | public function errorInfo() |
| 196 | { |
| 197 | if (!$this->_stmt) { |
| 198 | return false; |
| 199 | } |
| 200 | |
| 201 | $error = oci_error($this->_stmt); |
| 202 | if (!$error) { |
| 203 | return false; |
| 204 | } |
| 205 | |
| 206 | if (isset($error['sqltext'])) { |
| 207 | return array( |
| 208 | $error['code'], |
| 209 | $error['message'], |
| 210 | $error['offset'], |
| 211 | $error['sqltext'], |
| 212 | ); |
| 213 | } else { |
| 214 | return array( |
| 215 | $error['code'], |
| 216 | $error['message'], |
| 217 | ); |
| 218 | } |
| 219 | } |
| 220 | |
| 221 | |
| 222 | /** |
| 223 | * Executes a prepared statement. |
| 224 | * |
| 225 | * @param array $params OPTIONAL Values to bind to parameter placeholders. |
| 226 | * @return bool |
| 227 | * @throws Zend_Db_Statement_Exception |
| 228 | */ |
| 229 | public function _execute(array $params = null) |
| 230 | { |
| 231 | $connection = $this->_adapter->getConnection(); |
| 232 | |
| 233 | if (!$this->_stmt) { |
| 234 | return false; |
| 235 | } |
| 236 | |
| 237 | if ($params !== null) { |
| 238 | if (!is_array($params)) { |
| 239 | $params = array($params); |
| 240 | } |
| 241 | $error = false; |
| 242 | foreach (array_keys($params) as $name) { |
| 243 | if (!@oci_bind_by_name($this->_stmt, $name, $params[$name], -1)) { |
| 244 | $error = true; |
| 245 | break; |
| 246 | } |
| 247 | } |
| 248 | if ($error) { |
| 249 | /** |
| 250 | * @see Zend_Db_Adapter_Oracle_Exception |
| 251 | */ |
| 252 | // require_once 'Zend/Db/Statement/Oracle/Exception.php'; |
| 253 | throw new Zend_Db_Statement_Oracle_Exception(oci_error($this->_stmt)); |
| 254 | } |
| 255 | } |
| 256 | |
| 257 | $retval = @oci_execute($this->_stmt, $this->_adapter->_getExecuteMode()); |
| 258 | if ($retval === false) { |
| 259 | /** |
| 260 | * @see Zend_Db_Adapter_Oracle_Exception |
| 261 | */ |
| 262 | // require_once 'Zend/Db/Statement/Oracle/Exception.php'; |
| 263 | throw new Zend_Db_Statement_Oracle_Exception(oci_error($this->_stmt)); |
| 264 | } |
| 265 | |
| 266 | $this->_keys = Array(); |
| 267 | if ($field_num = oci_num_fields($this->_stmt)) { |
| 268 | for ($i = 1; $i <= $field_num; $i++) { |
| 269 | $name = oci_field_name($this->_stmt, $i); |
| 270 | $this->_keys[] = $name; |
| 271 | } |
| 272 | } |
| 273 | |
| 274 | $this->_values = Array(); |
| 275 | if ($this->_keys) { |
| 276 | $this->_values = array_fill(0, count($this->_keys), null); |
| 277 | } |
| 278 | |
| 279 | return $retval; |
| 280 | } |
| 281 | |
| 282 | /** |
| 283 | * Fetches a row from the result set. |
| 284 | * |
| 285 | * @param int $style OPTIONAL Fetch mode for this fetch operation. |
| 286 | * @param int $cursor OPTIONAL Absolute, relative, or other. |
| 287 | * @param int $offset OPTIONAL Number for absolute or relative cursors. |
| 288 | * @return mixed Array, object, or scalar depending on fetch mode. |
| 289 | * @throws Zend_Db_Statement_Exception |
| 290 | */ |
| 291 | public function fetch($style = null, $cursor = null, $offset = null) |
| 292 | { |
| 293 | if (!$this->_stmt) { |
| 294 | return false; |
| 295 | } |
| 296 | |
| 297 | if ($style === null) { |
| 298 | $style = $this->_fetchMode; |
| 299 | } |
| 300 | |
| 301 | $lob_as_string = $this->getLobAsString() ? OCI_RETURN_LOBS : 0; |
| 302 | |
| 303 | switch ($style) { |
| 304 | case Zend_Db::FETCH_NUM: |
| 305 | $row = oci_fetch_array($this->_stmt, OCI_NUM | OCI_RETURN_NULLS | $lob_as_string); |
| 306 | break; |
| 307 | case Zend_Db::FETCH_ASSOC: |
| 308 | $row = oci_fetch_array($this->_stmt, OCI_ASSOC | OCI_RETURN_NULLS | $lob_as_string); |
| 309 | break; |
| 310 | case Zend_Db::FETCH_BOTH: |
| 311 | $row = oci_fetch_array($this->_stmt, OCI_BOTH | OCI_RETURN_NULLS | $lob_as_string); |
| 312 | break; |
| 313 | case Zend_Db::FETCH_OBJ: |
| 314 | $row = oci_fetch_object($this->_stmt); |
| 315 | break; |
| 316 | case Zend_Db::FETCH_BOUND: |
| 317 | $row = oci_fetch_array($this->_stmt, OCI_BOTH | OCI_RETURN_NULLS | $lob_as_string); |
| 318 | if ($row !== false) { |
| 319 | return $this->_fetchBound($row); |
| 320 | } |
| 321 | break; |
| 322 | default: |
| 323 | /** |
| 324 | * @see Zend_Db_Adapter_Oracle_Exception |
| 325 | */ |
| 326 | // require_once 'Zend/Db/Statement/Oracle/Exception.php'; |
| 327 | throw new Zend_Db_Statement_Oracle_Exception( |
| 328 | array( |
| 329 | 'code' => 'HYC00', |
| 330 | 'message' => "Invalid fetch mode '$style' specified" |
| 331 | ) |
| 332 | ); |
| 333 | break; |
| 334 | } |
| 335 | |
| 336 | if (! $row && $error = oci_error($this->_stmt)) { |
| 337 | /** |
| 338 | * @see Zend_Db_Adapter_Oracle_Exception |
| 339 | */ |
| 340 | // require_once 'Zend/Db/Statement/Oracle/Exception.php'; |
| 341 | throw new Zend_Db_Statement_Oracle_Exception($error); |
| 342 | } |
| 343 | |
| 344 | if (is_array($row) && array_key_exists('zend_db_rownum', $row)) { |
| 345 | unset($row['zend_db_rownum']); |
| 346 | } |
| 347 | |
| 348 | return $row; |
| 349 | } |
| 350 | |
| 351 | /** |
| 352 | * Returns an array containing all of the result set rows. |
| 353 | * |
| 354 | * @param int $style OPTIONAL Fetch mode. |
| 355 | * @param int $col OPTIONAL Column number, if fetch mode is by column. |
| 356 | * @return array Collection of rows, each in a format by the fetch mode. |
| 357 | * @throws Zend_Db_Statement_Exception |
| 358 | */ |
| 359 | public function fetchAll($style = null, $col = 0) |
| 360 | { |
| 361 | if (!$this->_stmt) { |
| 362 | return false; |
| 363 | } |
| 364 | |
| 365 | // make sure we have a fetch mode |
| 366 | if ($style === null) { |
| 367 | $style = $this->_fetchMode; |
| 368 | } |
| 369 | |
| 370 | $flags = OCI_FETCHSTATEMENT_BY_ROW; |
| 371 | |
| 372 | switch ($style) { |
| 373 | case Zend_Db::FETCH_BOTH: |
| 374 | /** |
| 375 | * @see Zend_Db_Adapter_Oracle_Exception |
| 376 | */ |
| 377 | // require_once 'Zend/Db/Statement/Oracle/Exception.php'; |
| 378 | throw new Zend_Db_Statement_Oracle_Exception( |
| 379 | array( |
| 380 | 'code' => 'HYC00', |
| 381 | 'message' => "OCI8 driver does not support fetchAll(FETCH_BOTH), use fetch() in a loop instead" |
| 382 | ) |
| 383 | ); |
| 384 | // notreached |
| 385 | $flags |= OCI_NUM; |
| 386 | $flags |= OCI_ASSOC; |
| 387 | break; |
| 388 | case Zend_Db::FETCH_NUM: |
| 389 | $flags |= OCI_NUM; |
| 390 | break; |
| 391 | case Zend_Db::FETCH_ASSOC: |
| 392 | $flags |= OCI_ASSOC; |
| 393 | break; |
| 394 | case Zend_Db::FETCH_OBJ: |
| 395 | break; |
| 396 | case Zend_Db::FETCH_COLUMN: |
| 397 | $flags = $flags &~ OCI_FETCHSTATEMENT_BY_ROW; |
| 398 | $flags |= OCI_FETCHSTATEMENT_BY_COLUMN; |
| 399 | $flags |= OCI_NUM; |
| 400 | break; |
| 401 | default: |
| 402 | /** |
| 403 | * @see Zend_Db_Adapter_Oracle_Exception |
| 404 | */ |
| 405 | // require_once 'Zend/Db/Statement/Oracle/Exception.php'; |
| 406 | throw new Zend_Db_Statement_Oracle_Exception( |
| 407 | array( |
| 408 | 'code' => 'HYC00', |
| 409 | 'message' => "Invalid fetch mode '$style' specified" |
| 410 | ) |
| 411 | ); |
| 412 | break; |
| 413 | } |
| 414 | |
| 415 | $result = Array(); |
| 416 | if ($flags != OCI_FETCHSTATEMENT_BY_ROW) { /* not Zend_Db::FETCH_OBJ */ |
| 417 | if (! ($rows = oci_fetch_all($this->_stmt, $result, 0, -1, $flags) )) { |
| 418 | if ($error = oci_error($this->_stmt)) { |
| 419 | /** |
| 420 | * @see Zend_Db_Adapter_Oracle_Exception |
| 421 | */ |
| 422 | // require_once 'Zend/Db/Statement/Oracle/Exception.php'; |
| 423 | throw new Zend_Db_Statement_Oracle_Exception($error); |
| 424 | } |
| 425 | if (!$rows) { |
| 426 | return array(); |
| 427 | } |
| 428 | } |
| 429 | if ($style == Zend_Db::FETCH_COLUMN) { |
| 430 | $result = $result[$col]; |
| 431 | } |
| 432 | foreach ($result as &$row) { |
| 433 | if (is_array($row) && array_key_exists('zend_db_rownum', $row)) { |
| 434 | unset($row['zend_db_rownum']); |
| 435 | } |
| 436 | } |
| 437 | } else { |
| 438 | while (($row = oci_fetch_object($this->_stmt)) !== false) { |
| 439 | $result [] = $row; |
| 440 | } |
| 441 | if ($error = oci_error($this->_stmt)) { |
| 442 | /** |
| 443 | * @see Zend_Db_Adapter_Oracle_Exception |
| 444 | */ |
| 445 | // require_once 'Zend/Db/Statement/Oracle/Exception.php'; |
| 446 | throw new Zend_Db_Statement_Oracle_Exception($error); |
| 447 | } |
| 448 | } |
| 449 | |
| 450 | return $result; |
| 451 | } |
| 452 | |
| 453 | |
| 454 | /** |
| 455 | * Returns a single column from the next row of a result set. |
| 456 | * |
| 457 | * @param int $col OPTIONAL Position of the column to fetch. |
| 458 | * @return string |
| 459 | * @throws Zend_Db_Statement_Exception |
| 460 | */ |
| 461 | public function fetchColumn($col = 0) |
| 462 | { |
| 463 | if (!$this->_stmt) { |
| 464 | return false; |
| 465 | } |
| 466 | |
| 467 | if (!oci_fetch($this->_stmt)) { |
| 468 | // if no error, there is simply no record |
| 469 | if (!$error = oci_error($this->_stmt)) { |
| 470 | return false; |
| 471 | } |
| 472 | /** |
| 473 | * @see Zend_Db_Adapter_Oracle_Exception |
| 474 | */ |
| 475 | // require_once 'Zend/Db/Statement/Oracle/Exception.php'; |
| 476 | throw new Zend_Db_Statement_Oracle_Exception($error); |
| 477 | } |
| 478 | |
| 479 | $data = oci_result($this->_stmt, $col+1); //1-based |
| 480 | if ($data === false) { |
| 481 | /** |
| 482 | * @see Zend_Db_Adapter_Oracle_Exception |
| 483 | */ |
| 484 | // require_once 'Zend/Db/Statement/Oracle/Exception.php'; |
| 485 | throw new Zend_Db_Statement_Oracle_Exception(oci_error($this->_stmt)); |
| 486 | } |
| 487 | |
| 488 | if ($this->getLobAsString()) { |
| 489 | // instanceof doesn't allow '-', we must use a temporary string |
| 490 | $type = 'OCI-Lob'; |
| 491 | if ($data instanceof $type) { |
| 492 | $data = $data->read($data->size()); |
| 493 | } |
| 494 | } |
| 495 | |
| 496 | return $data; |
| 497 | } |
| 498 | |
| 499 | /** |
| 500 | * Fetches the next row and returns it as an object. |
| 501 | * |
| 502 | * @param string $class OPTIONAL Name of the class to create. |
| 503 | * @param array $config OPTIONAL Constructor arguments for the class. |
| 504 | * @return mixed One object instance of the specified class. |
| 505 | * @throws Zend_Db_Statement_Exception |
| 506 | */ |
| 507 | public function fetchObject($class = 'stdClass', array $config = array()) |
| 508 | { |
| 509 | if (!$this->_stmt) { |
| 510 | return false; |
| 511 | } |
| 512 | |
| 513 | $obj = oci_fetch_object($this->_stmt); |
| 514 | |
| 515 | if ($error = oci_error($this->_stmt)) { |
| 516 | /** |
| 517 | * @see Zend_Db_Adapter_Oracle_Exception |
| 518 | */ |
| 519 | // require_once 'Zend/Db/Statement/Oracle/Exception.php'; |
| 520 | throw new Zend_Db_Statement_Oracle_Exception($error); |
| 521 | } |
| 522 | |
| 523 | /* @todo XXX handle parameters */ |
| 524 | |
| 525 | return $obj; |
| 526 | } |
| 527 | |
| 528 | /** |
| 529 | * Retrieves the next rowset (result set) for a SQL statement that has |
| 530 | * multiple result sets. An example is a stored procedure that returns |
| 531 | * the results of multiple queries. |
| 532 | * |
| 533 | * @return bool |
| 534 | * @throws Zend_Db_Statement_Exception |
| 535 | */ |
| 536 | public function nextRowset() |
| 537 | { |
| 538 | /** |
| 539 | * @see Zend_Db_Statement_Oracle_Exception |
| 540 | */ |
| 541 | // require_once 'Zend/Db/Statement/Oracle/Exception.php'; |
| 542 | throw new Zend_Db_Statement_Oracle_Exception( |
| 543 | array( |
| 544 | 'code' => 'HYC00', |
| 545 | 'message' => 'Optional feature not implemented' |
| 546 | ) |
| 547 | ); |
| 548 | } |
| 549 | |
| 550 | /** |
| 551 | * Returns the number of rows affected by the execution of the |
| 552 | * last INSERT, DELETE, or UPDATE statement executed by this |
| 553 | * statement object. |
| 554 | * |
| 555 | * @return int The number of rows affected. |
| 556 | * @throws Zend_Db_Statement_Exception |
| 557 | */ |
| 558 | public function rowCount() |
| 559 | { |
| 560 | if (!$this->_stmt) { |
| 561 | return false; |
| 562 | } |
| 563 | |
| 564 | $num_rows = oci_num_rows($this->_stmt); |
| 565 | |
| 566 | if ($num_rows === false) { |
| 567 | /** |
| 568 | * @see Zend_Db_Adapter_Oracle_Exception |
| 569 | */ |
| 570 | // require_once 'Zend/Db/Statement/Oracle/Exception.php'; |
| 571 | throw new Zend_Db_Statement_Oracle_Exception(oci_error($this->_stmt)); |
| 572 | } |
| 573 | |
| 574 | return $num_rows; |
| 575 | } |
| 576 | |
| 577 | } |
| 578 |