| commit | author | age | ||
| c9462d | 1 | <?php |
| S | 2 | // vim: set et ts=4 sw=4 fdm=marker: |
| 3 | // +----------------------------------------------------------------------+ | |
| 4 | // | PHP versions 4 and 5 | | |
| 5 | // +----------------------------------------------------------------------+ | |
| 6 | // | Copyright (c) 1998-2004 Manuel Lemos, Tomas V.V.Cox, | | |
| 7 | // | Stig. S. Bakken, Lukas Smith | | |
| 8 | // | All rights reserved. | | |
| 9 | // +----------------------------------------------------------------------+ | |
| 10 | // | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB | | |
| 11 | // | API as well as database abstraction for PHP applications. | | |
| 12 | // | This LICENSE is in the BSD license style. | | |
| 13 | // | | | |
| 14 | // | Redistribution and use in source and binary forms, with or without | | |
| 15 | // | modification, are permitted provided that the following conditions | | |
| 16 | // | are met: | | |
| 17 | // | | | |
| 18 | // | Redistributions of source code must retain the above copyright | | |
| 19 | // | notice, this list of conditions and the following disclaimer. | | |
| 20 | // | | | |
| 21 | // | Redistributions in binary form must reproduce the above copyright | | |
| 22 | // | notice, this list of conditions and the following disclaimer in the | | |
| 23 | // | documentation and/or other materials provided with the distribution. | | |
| 24 | // | | | |
| 25 | // | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, | | |
| 26 | // | Lukas Smith nor the names of his contributors may be used to endorse | | |
| 27 | // | or promote products derived from this software without specific prior| | |
| 28 | // | written permission. | | |
| 29 | // | | | |
| 30 | // | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | | |
| 31 | // | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | | |
| 32 | // | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | | |
| 33 | // | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | | |
| 34 | // | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | | |
| 35 | // | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | | |
| 36 | // | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS| | |
| 37 | // | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | | |
| 38 | // | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | | |
| 39 | // | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY| | |
| 40 | // | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | | |
| 41 | // | POSSIBILITY OF SUCH DAMAGE. | | |
| 42 | // +----------------------------------------------------------------------+ | |
| 43 | // | Author: Lorenzo Alberton <l.alberton@quipo.it> | | |
| 44 | // +----------------------------------------------------------------------+ | |
| 45 | // | |
| 46 | // $Id$ | |
| 47 | ||
| 48 | /** | |
| 49 | * MDB2 FireBird/InterBase driver | |
| 50 | * | |
| 51 | * @package MDB2 | |
| 52 | * @category Database | |
| 53 | * @author Lorenzo Alberton <l.alberton@quipo.it> | |
| 54 | */ | |
| 55 | class MDB2_Driver_ibase extends MDB2_Driver_Common | |
| 56 | { | |
| 57 | // {{{ properties | |
| 58 | var $escape_quotes = "'"; | |
| 59 | ||
| 60 | var $transaction_id = 0; | |
| 61 | ||
| 62 | var $query_parameters = array(); | |
| 63 | var $query_parameter_values = array(); | |
| 64 | ||
| 65 | // }}} | |
| 66 | // {{{ constructor | |
| 67 | ||
| 68 | /** | |
| 69 | * Constructor | |
| 70 | */ | |
| 71 | function __construct() | |
| 72 | { | |
| 73 | parent::__construct(); | |
| 74 | ||
| 75 | $this->phptype = 'ibase'; | |
| 76 | $this->dbsyntax = 'ibase'; | |
| 77 | ||
| 78 | $this->supported['sequences'] = true; | |
| 79 | $this->supported['indexes'] = true; | |
| 80 | $this->supported['affected_rows'] = function_exists('ibase_affected_rows'); | |
| 81 | $this->supported['summary_functions'] = true; | |
| 82 | $this->supported['order_by_text'] = true; | |
| 83 | $this->supported['transactions'] = true; | |
| 84 | $this->supported['current_id'] = true; | |
| 85 | // maybe this needs different handling for ibase and firebird? | |
| 86 | $this->supported['limit_queries'] = 'emulated'; | |
| 87 | $this->supported['LOBs'] = true; | |
| 88 | $this->supported['replace'] = false; | |
| 89 | $this->supported['sub_selects'] = true; | |
| 90 | $this->supported['auto_increment'] = true; | |
| 91 | $this->supported['primary_key'] = true; | |
| 92 | ||
| 93 | $this->options['database_path'] = ''; | |
| 94 | $this->options['database_extension'] = '.gdb'; | |
| 95 | $this->options['default_text_field_length'] = 4096; | |
| 96 | } | |
| 97 | ||
| 98 | // }}} | |
| 99 | // {{{ errorInfo() | |
| 100 | ||
| 101 | /** | |
| 102 | * This method is used to collect information about an error | |
| 103 | * | |
| 104 | * @param integer $error | |
| 105 | * @return array | |
| 106 | * @access public | |
| 107 | */ | |
| 108 | function errorInfo($error = null) | |
| 109 | { | |
| 110 | $native_msg = @ibase_errmsg(); | |
| 111 | ||
| 112 | if (function_exists('ibase_errcode')) { | |
| 113 | $native_code = @ibase_errcode(); | |
| 114 | } else { | |
| 115 | // memo for the interbase php module hackers: we need something similar | |
| 116 | // to mysql_errno() to retrieve error codes instead of this ugly hack | |
| 117 | if (preg_match('/^([^0-9\-]+)([0-9\-]+)\s+(.*)$/', $native_msg, $m)) { | |
| 118 | $native_code = (int)$m[2]; | |
| 119 | } else { | |
| 120 | $native_code = null; | |
| 121 | } | |
| 122 | } | |
| 123 | if (is_null($error)) { | |
| 124 | $error = MDB2_ERROR; | |
| 125 | if ($native_code) { | |
| 126 | // try to interpret Interbase error code (that's why we need ibase_errno() | |
| 127 | // in the interbase module to return the real error code) | |
| 128 | switch ($native_code) { | |
| 129 | case -204: | |
| 130 | if (isset($m[3]) && is_int(strpos($m[3], 'Table unknown'))) { | |
| 131 | $errno = MDB2_ERROR_NOSUCHTABLE; | |
| 132 | } | |
| 133 | break; | |
| 134 | default: | |
| 135 | static $ecode_map; | |
| 136 | if (empty($ecode_map)) { | |
| 137 | $ecode_map = array( | |
| 138 | -104 => MDB2_ERROR_SYNTAX, | |
| 139 | -150 => MDB2_ERROR_ACCESS_VIOLATION, | |
| 140 | -151 => MDB2_ERROR_ACCESS_VIOLATION, | |
| 141 | -155 => MDB2_ERROR_NOSUCHTABLE, | |
| 142 | -157 => MDB2_ERROR_NOSUCHFIELD, | |
| 143 | -158 => MDB2_ERROR_VALUE_COUNT_ON_ROW, | |
| 144 | -170 => MDB2_ERROR_MISMATCH, | |
| 145 | -171 => MDB2_ERROR_MISMATCH, | |
| 146 | -172 => MDB2_ERROR_INVALID, | |
| 147 | // -204 => // Covers too many errors, need to use regex on msg | |
| 148 | -205 => MDB2_ERROR_NOSUCHFIELD, | |
| 149 | -206 => MDB2_ERROR_NOSUCHFIELD, | |
| 150 | -208 => MDB2_ERROR_INVALID, | |
| 151 | -219 => MDB2_ERROR_NOSUCHTABLE, | |
| 152 | -297 => MDB2_ERROR_CONSTRAINT, | |
| 153 | -303 => MDB2_ERROR_INVALID, | |
| 154 | -413 => MDB2_ERROR_INVALID_NUMBER, | |
| 155 | -530 => MDB2_ERROR_CONSTRAINT, | |
| 156 | -551 => MDB2_ERROR_ACCESS_VIOLATION, | |
| 157 | -552 => MDB2_ERROR_ACCESS_VIOLATION, | |
| 158 | // -607 => // Covers too many errors, need to use regex on msg | |
| 159 | -625 => MDB2_ERROR_CONSTRAINT_NOT_NULL, | |
| 160 | -803 => MDB2_ERROR_CONSTRAINT, | |
| 161 | -804 => MDB2_ERROR_VALUE_COUNT_ON_ROW, | |
| 162 | -904 => MDB2_ERROR_CONNECT_FAILED, | |
| 163 | -922 => MDB2_ERROR_NOSUCHDB, | |
| 164 | -923 => MDB2_ERROR_CONNECT_FAILED, | |
| 165 | -924 => MDB2_ERROR_CONNECT_FAILED | |
| 166 | ); | |
| 167 | } | |
| 168 | if (isset($ecode_map[$native_code])) { | |
| 169 | $error = $ecode_map[$native_code]; | |
| 170 | } | |
| 171 | break; | |
| 172 | } | |
| 173 | } else { | |
| 174 | static $error_regexps; | |
| 175 | if (!isset($error_regexps)) { | |
| 176 | $error_regexps = array( | |
| 177 | '/generator .* is not defined/' | |
| 178 | => MDB2_ERROR_SYNTAX, // for compat. w ibase_errcode() | |
| 179 | '/table.*(not exist|not found|unknown)/i' | |
| 180 | => MDB2_ERROR_NOSUCHTABLE, | |
| 181 | '/table .* already exists/i' | |
| 182 | => MDB2_ERROR_ALREADY_EXISTS, | |
| 183 | '/unsuccessful metadata update .* failed attempt to store duplicate value/i' | |
| 184 | => MDB2_ERROR_ALREADY_EXISTS, | |
| 185 | '/unsuccessful metadata update .* not found/i' | |
| 186 | => MDB2_ERROR_NOT_FOUND, | |
| 187 | '/validation error for column .* value "\*\*\* null/i' | |
| 188 | => MDB2_ERROR_CONSTRAINT_NOT_NULL, | |
| 189 | '/violation of [\w ]+ constraint/i' | |
| 190 | => MDB2_ERROR_CONSTRAINT, | |
| 191 | '/conversion error from string/i' | |
| 192 | => MDB2_ERROR_INVALID_NUMBER, | |
| 193 | '/no permission for/i' | |
| 194 | => MDB2_ERROR_ACCESS_VIOLATION, | |
| 195 | '/arithmetic exception, numeric overflow, or string truncation/i' | |
| 196 | => MDB2_ERROR_INVALID, | |
| 197 | ); | |
| 198 | } | |
| 199 | foreach ($error_regexps as $regexp => $code) { | |
| 200 | if (preg_match($regexp, $native_msg, $m)) { | |
| 201 | $error = $code; | |
| 202 | break; | |
| 203 | } | |
| 204 | } | |
| 205 | } | |
| 206 | } | |
| 207 | return array($error, $native_code, $native_msg); | |
| 208 | } | |
| 209 | ||
| 210 | // }}} | |
| 211 | // {{{ beginTransaction() | |
| 212 | ||
| 213 | /** | |
| 214 | * Start a transaction. | |
| 215 | * | |
| 216 | * @return mixed MDB2_OK on success, a MDB2 error on failure | |
| 217 | * @access public | |
| 218 | */ | |
| 219 | function beginTransaction() | |
| 220 | { | |
| 221 | $this->debug('starting transaction', 'beginTransaction'); | |
| 222 | if ($this->in_transaction) { | |
| 223 | return MDB2_OK; //nothing to do | |
| 224 | } | |
| 225 | if (!$this->destructor_registered && $this->opened_persistent) { | |
| 226 | $this->destructor_registered = true; | |
| 227 | register_shutdown_function('MDB2_closeOpenTransactions'); | |
| 228 | } | |
| 229 | $result = ibase_trans(); | |
| 230 | if (!$result) { | |
| 231 | return $this->raiseError(MDB2_ERROR, null, null, | |
| 232 | 'beginTransaction: could not start a transaction'); | |
| 233 | } | |
| 234 | $this->transaction_id = $result; | |
| 235 | $this->in_transaction = true; | |
| 236 | return MDB2_OK; | |
| 237 | } | |
| 238 | ||
| 239 | // }}} | |
| 240 | // {{{ commit() | |
| 241 | ||
| 242 | /** | |
| 243 | * Commit the database changes done during a transaction that is in | |
| 244 | * progress. | |
| 245 | * | |
| 246 | * @return mixed MDB2_OK on success, a MDB2 error on failure | |
| 247 | * @access public | |
| 248 | */ | |
| 249 | function commit() | |
| 250 | { | |
| 251 | $this->debug('commit transaction', 'commit'); | |
| 252 | if (!$this->in_transaction) { | |
| 253 | return $this->raiseError(MDB2_ERROR, null, null, | |
| 254 | 'commit: transaction changes are being auto committed'); | |
| 255 | } | |
| 256 | if (!ibase_commit($this->transaction_id)) { | |
| 257 | return $this->raiseError(MDB2_ERROR, null, null, | |
| 258 | 'commit: could not commit a transaction'); | |
| 259 | } | |
| 260 | $this->in_transaction = false; | |
| 261 | //$this->transaction_id = 0; | |
| 262 | return MDB2_OK; | |
| 263 | } | |
| 264 | ||
| 265 | // }}} | |
| 266 | // {{{ rollback() | |
| 267 | ||
| 268 | /** | |
| 269 | * Cancel any database changes done during a transaction that is in | |
| 270 | * progress. | |
| 271 | * | |
| 272 | * @return mixed MDB2_OK on success, a MDB2 error on failure | |
| 273 | * @access public | |
| 274 | */ | |
| 275 | function rollback() | |
| 276 | { | |
| 277 | $this->debug('rolling back transaction', 'rollback'); | |
| 278 | if (!$this->in_transaction) { | |
| 279 | return $this->raiseError(MDB2_ERROR, null, null, | |
| 280 | 'rollback: transactions can not be rolled back when changes are auto committed'); | |
| 281 | } | |
| 282 | if ($this->transaction_id && !ibase_rollback($this->transaction_id)) { | |
| 283 | return $this->raiseError(MDB2_ERROR, null, null, | |
| 284 | 'rollback: Could not rollback a pending transaction: '.ibase_errmsg()); | |
| 285 | } | |
| 286 | $this->in_transaction = false; | |
| 287 | $this->transaction_id = 0; | |
| 288 | return MDB2_OK; | |
| 289 | } | |
| 290 | ||
| 291 | // }}} | |
| 292 | // {{{ getDatabaseFile() | |
| 293 | ||
| 294 | /** | |
| 295 | * Builds the string with path+dbname+extension | |
| 296 | * | |
| 297 | * @return string full database path+file | |
| 298 | * @access protected | |
| 299 | */ | |
| 300 | function _getDatabaseFile($database_name) | |
| 301 | { | |
| 302 | if ($database_name == '') { | |
| 303 | return $database_name; | |
| 304 | } | |
| 305 | return $this->options['database_path'].$database_name.$this->options['database_extension']; | |
| 306 | } | |
| 307 | ||
| 308 | // }}} | |
| 309 | // {{{ _doConnect() | |
| 310 | ||
| 311 | /** | |
| 312 | * Does the grunt work of connecting to the database | |
| 313 | * | |
| 314 | * @return mixed connection resource on success, MDB2 Error Object on failure | |
| 315 | * @access protected | |
| 316 | */ | |
| 317 | function _doConnect($database_name, $persistent = false) | |
| 318 | { | |
| 319 | $user = $this->dsn['username']; | |
| 320 | $pw = $this->dsn['password']; | |
| 321 | $dbhost = $this->dsn['hostspec'] ? | |
| 322 | ($this->dsn['hostspec'].':'.$database_name) : $database_name; | |
| 323 | ||
| 324 | $params = array(); | |
| 325 | $params[] = $dbhost; | |
| 326 | $params[] = !empty($user) ? $user : null; | |
| 327 | $params[] = !empty($pw) ? $pw : null; | |
| 328 | $params[] = isset($this->dsn['charset']) ? $this->dsn['charset'] : null; | |
| 329 | $params[] = isset($this->dsn['buffers']) ? $this->dsn['buffers'] : null; | |
| 330 | $params[] = isset($this->dsn['dialect']) ? $this->dsn['dialect'] : null; | |
| 331 | $params[] = isset($this->dsn['role']) ? $this->dsn['role'] : null; | |
| 332 | ||
| 333 | $connect_function = $persistent ? 'ibase_pconnect' : 'ibase_connect'; | |
| 334 | ||
| 335 | $connection = @call_user_func_array($connect_function, $params); | |
| 336 | if ($connection <= 0) { | |
| 337 | return $this->raiseError(MDB2_ERROR_CONNECT_FAILED); | |
| 338 | } | |
| 339 | if (function_exists('ibase_timefmt')) { | |
| 340 | @ibase_timefmt("%Y-%m-%d %H:%M:%S", IBASE_TIMESTAMP); | |
| 341 | @ibase_timefmt("%Y-%m-%d", IBASE_DATE); | |
| 342 | } else { | |
| 343 | @ini_set("ibase.timestampformat", "%Y-%m-%d %H:%M:%S"); | |
| 344 | //@ini_set("ibase.timeformat", "%H:%M:%S"); | |
| 345 | @ini_set("ibase.dateformat", "%Y-%m-%d"); | |
| 346 | } | |
| 347 | ||
| 348 | return $connection; | |
| 349 | } | |
| 350 | ||
| 351 | // }}} | |
| 352 | // {{{ connect() | |
| 353 | ||
| 354 | /** | |
| 355 | * Connect to the database | |
| 356 | * | |
| 357 | * @return true on success, MDB2 Error Object on failure | |
| 358 | * @access public | |
| 359 | */ | |
| 360 | function connect() | |
| 361 | { | |
| 362 | $database_file = $this->_getDatabaseFile($this->database_name); | |
| 363 | if (is_resource($this->connection)) { | |
| 364 | if (count(array_diff($this->connected_dsn, $this->dsn)) == 0 | |
| 365 | && $this->connected_database_name == $database_file | |
| 366 | && $this->opened_persistent == $this->options['persistent'] | |
| 367 | ) { | |
| 368 | return MDB2_OK; | |
| 369 | } | |
| 370 | $this->disconnect(false); | |
| 371 | } | |
| 372 | ||
| 373 | if (!PEAR::loadExtension('interbase')) { | |
| 374 | return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null, | |
| 375 | 'connect: extension '.$this->phptype.' is not compiled into PHP'); | |
| 376 | } | |
| 377 | ||
| 378 | if (!empty($this->database_name)) { | |
| 379 | $connection = $this->_doConnect($database_file, $this->options['persistent']); | |
| 380 | if (PEAR::isError($connection)) { | |
| 381 | return $connection; | |
| 382 | } | |
| 383 | $this->connection =& $connection; | |
| 384 | $this->connected_dsn = $this->dsn; | |
| 385 | $this->connected_database_name = $database_file; | |
| 386 | $this->opened_persistent = $this->options['persistent']; | |
| 387 | $this->dbsyntax = $this->dsn['dbsyntax'] ? $this->dsn['dbsyntax'] : $this->phptype; | |
| 388 | } | |
| 389 | return MDB2_OK; | |
| 390 | } | |
| 391 | ||
| 392 | // }}} | |
| 393 | // {{{ disconnect() | |
| 394 | ||
| 395 | /** | |
| 396 | * Log out and disconnect from the database. | |
| 397 | * | |
| 398 | * @return mixed true on success, false if not connected and error | |
| 399 | * object on error | |
| 400 | * @access public | |
| 401 | */ | |
| 402 | function disconnect($force = true) | |
| 403 | { | |
| 404 | if (is_resource($this->connection)) { | |
| 405 | if (!$this->opened_persistent || $force) { | |
| 406 | @ibase_close($this->connection); | |
| 407 | } | |
| 408 | $this->connection = 0; | |
| 409 | } | |
| 410 | return MDB2_OK; | |
| 411 | } | |
| 412 | ||
| 413 | // }}} | |
| 414 | // {{{ _doQuery() | |
| 415 | ||
| 416 | /** | |
| 417 | * Execute a query | |
| 418 | * @param string $query query | |
| 419 | * @param boolean $isManip if the query is a manipulation query | |
| 420 | * @param resource $connection | |
| 421 | * @param string $database_name | |
| 422 | * @return result or error object | |
| 423 | * @access protected | |
| 424 | */ | |
| 425 | function _doQuery($query, $isManip = false, $connection = null, $database_name = null) | |
| 426 | { | |
| 427 | $this->last_query = $query; | |
| 428 | $this->debug($query, 'query'); | |
| 429 | if ($this->getOption('disable_query')) { | |
| 430 | if ($isManip) { | |
| 431 | return 0; | |
| 432 | } | |
| 433 | return null; | |
| 434 | } | |
| 435 | ||
| 436 | if (is_null($connection)) { | |
| 437 | if ($this->in_transaction) { | |
| 438 | $connection = $this->transaction_id; | |
| 439 | } else { | |
| 440 | $err = $this->connect(); | |
| 441 | if (PEAR::isError($err)) { | |
| 442 | return $err; | |
| 443 | } | |
| 444 | $connection = $this->connection; | |
| 445 | } | |
| 446 | } | |
| 447 | $result = ibase_query($connection, $query); | |
| 448 | ||
| 449 | if ($result === false) { | |
| 450 | return $this->raiseError(); | |
| 451 | } | |
| 452 | ||
| 453 | if ($isManip) { | |
| 454 | //return $result; | |
| 455 | return (function_exists('ibase_affected_rows') ? ibase_affected_rows($connection) : 0); | |
| 456 | } | |
| 457 | return $result; | |
| 458 | } | |
| 459 | ||
| 460 | // }}} | |
| 461 | // {{{ _modifyQuery() | |
| 462 | ||
| 463 | /** | |
| 464 | * Changes a query string for various DBMS specific reasons | |
| 465 | * | |
| 466 | * @param string $query query to modify | |
| 467 | * @return the new (modified) query | |
| 468 | * @access protected | |
| 469 | */ | |
| 470 | function _modifyQuery($query, $isManip, $limit, $offset) | |
| 471 | { | |
| 472 | if ($limit > 0 && $this->dsn['dbsyntax'] == 'firebird') { | |
| 473 | $query = preg_replace('/^([\s(])*SELECT(?!\s*FIRST\s*\d+)/i', | |
| 474 | "SELECT FIRST $limit SKIP $offset", $query); | |
| 475 | } | |
| 476 | return $query; | |
| 477 | } | |
| 478 | ||
| 479 | // }}} | |
| 480 | // {{{ prepare() | |
| 481 | ||
| 482 | /** | |
| 483 | * Prepares a query for multiple execution with execute(). | |
| 484 | * With some database backends, this is emulated. | |
| 485 | * prepare() requires a generic query as string like | |
| 486 | * 'INSERT INTO numbers VALUES(?,?)' or | |
| 487 | * 'INSERT INTO numbers VALUES(:foo,:bar)'. | |
| 488 | * The ? and :[a-zA-Z] and are placeholders which can be set using | |
| 489 | * bindParam() and the query can be send off using the execute() method. | |
| 490 | * | |
| 491 | * @param string $query the query to prepare | |
| 492 | * @param mixed $types array that contains the types of the placeholders | |
| 493 | * @param mixed $result_types array that contains the types of the columns in | |
| 494 | * the result set | |
| 495 | * @return mixed resource handle for the prepared query on success, a MDB2 | |
| 496 | * error on failure | |
| 497 | * @access public | |
| 498 | * @see bindParam, execute | |
| 499 | */ | |
| 500 | function &prepare($query, $types = null, $result_types = null) | |
| 501 | { | |
| 502 | $this->debug($query, 'prepare'); | |
| 503 | $placeholder_type_guess = $placeholder_type = null; | |
| 504 | $question = '?'; | |
| 505 | $colon = ':'; | |
| 506 | $position = 0; | |
| 507 | while ($position < strlen($query)) { | |
| 508 | $q_position = strpos($query, $question, $position); | |
| 509 | $c_position = strpos($query, $colon, $position); | |
| 510 | if ($q_position && $c_position) { | |
| 511 | $p_position = min($q_position, $c_position); | |
| 512 | } elseif ($q_position) { | |
| 513 | $p_position = $q_position; | |
| 514 | } elseif ($c_position) { | |
| 515 | $p_position = $c_position; | |
| 516 | } else { | |
| 517 | break; | |
| 518 | } | |
| 519 | if (is_null($placeholder_type)) { | |
| 520 | $placeholder_type_guess = $query[$p_position]; | |
| 521 | } | |
| 522 | if (is_int($quote = strpos($query, "'", $position)) && $quote < $p_position) { | |
| 523 | if (!is_int($end_quote = strpos($query, "'", $quote + 1))) { | |
| 524 | $err =& $this->raiseError(MDB2_ERROR_SYNTAX, null, null, | |
| 525 | 'prepare: query with an unterminated text string specified'); | |
| 526 | return $err; | |
| 527 | } | |
| 528 | switch ($this->escape_quotes) { | |
| 529 | case '': | |
| 530 | case "'": | |
| 531 | $position = $end_quote + 1; | |
| 532 | break; | |
| 533 | default: | |
| 534 | if ($end_quote == $quote + 1) { | |
| 535 | $position = $end_quote + 1; | |
| 536 | } else { | |
| 537 | if ($query[$end_quote-1] == $this->escape_quotes) { | |
| 538 | $position = $end_quote; | |
| 539 | } else { | |
| 540 | $position = $end_quote + 1; | |
| 541 | } | |
| 542 | } | |
| 543 | break; | |
| 544 | } | |
| 545 | } elseif ($query[$position] == $placeholder_type_guess) { | |
| 546 | if ($placeholder_type_guess == '?') { | |
| 547 | break; | |
| 548 | } | |
| 549 | if (is_null($placeholder_type)) { | |
| 550 | $placeholder_type = $query[$p_position]; | |
| 551 | $question = $colon = $placeholder_type; | |
| 552 | } | |
| 553 | $name = preg_replace('/^.{'.($position+1).'}([a-z0-9_]+).*$/si', '\\1', $query); | |
| 554 | if ($name === '') { | |
| 555 | $err =& $this->raiseError(MDB2_ERROR_SYNTAX, null, null, | |
| 556 | 'prepare: named parameter with an empty name'); | |
| 557 | return $err; | |
| 558 | } | |
| 559 | $query = substr_replace($query, '?', $position, strlen($name)+1); | |
| 560 | $position = $p_position + 1; | |
| 561 | } else { | |
| 562 | $position = $p_position; | |
| 563 | } | |
| 564 | } | |
| 565 | $connection = ($this->in_transaction ? $this->transaction_id : $this->connection); | |
| 566 | $statement = ibase_prepare($connection, $query); | |
| 567 | ||
| 568 | $class_name = 'MDB2_Statement_'.$this->phptype; | |
| 569 | $obj =& new $class_name($this, $statement, $query, $types, $result_types, $this->row_limit, $this->row_offset); | |
| 570 | return $obj; | |
| 571 | } | |
| 572 | ||
| 573 | // }}} | |
| 574 | // {{{ nextID() | |
| 575 | ||
| 576 | /** | |
| 577 | * returns the next free id of a sequence | |
| 578 | * | |
| 579 | * @param string $seq_name name of the sequence | |
| 580 | * @param boolean $ondemand when true the seqence is | |
| 581 | * automatic created, if it | |
| 582 | * not exists | |
| 583 | * @return mixed MDB2 Error Object or id | |
| 584 | * @access public | |
| 585 | */ | |
| 586 | function nextID($seq_name, $ondemand = true) | |
| 587 | { | |
| 588 | $sequence_name = $this->getSequenceName($seq_name); | |
| 589 | $query = 'SELECT GEN_ID('.strtoupper($sequence_name).', 1) as the_value FROM RDB$DATABASE'; | |
| 590 | $this->expectError('*'); | |
| 591 | $result = $this->queryOne($query, 'integer'); | |
| 592 | $this->popExpect(); | |
| 593 | if (PEAR::isError($result)) { | |
| 594 | if ($ondemand) { | |
| 595 | $this->loadModule('Manager'); | |
| 596 | // Since we are creating the sequence on demand | |
| 597 | // we know the first id = 1 so initialize the | |
| 598 | // sequence at 2 | |
| 599 | $result = $this->manager->createSequence($seq_name, 2); | |
| 600 | if (PEAR::isError($result)) { | |
| 601 | return $this->raiseError(MDB2_ERROR, null, null, | |
| 602 | 'nextID: on demand sequence could not be created'); | |
| 603 | } else { | |
| 604 | // First ID of a newly created sequence is 1 | |
| 605 | // return 1; | |
| 606 | // BUT generators are not always reset, so return the actual value | |
| 607 | return $this->currID($seq_name); | |
| 608 | } | |
| 609 | } | |
| 610 | } | |
| 611 | return $result; | |
| 612 | } | |
| 613 | ||
| 614 | // }}} | |
| 615 | // {{{ currID() | |
| 616 | ||
| 617 | /** | |
| 618 | * returns the current id of a sequence | |
| 619 | * | |
| 620 | * @param string $seq_name name of the sequence | |
| 621 | * @return mixed MDB2 Error Object or id | |
| 622 | * @access public | |
| 623 | */ | |
| 624 | function currID($seq_name) | |
| 625 | { | |
| 626 | $sequence_name = $this->getSequenceName($seq_name); | |
| 627 | $query = 'SELECT GEN_ID('.strtoupper($sequence_name).', 0) as the_value FROM RDB$DATABASE'; | |
| 628 | $value = @$this->queryOne($query); | |
| 629 | if (PEAR::isError($value)) { | |
| 630 | return $this->raiseError(MDB2_ERROR, null, null, | |
| 631 | 'currID: Unable to select from ' . $seq_name) ; | |
| 632 | } | |
| 633 | if (!is_numeric($value)) { | |
| 634 | return $this->raiseError(MDB2_ERROR, null, null, | |
| 635 | 'currID: could not find value in sequence table'); | |
| 636 | } | |
| 637 | return $value; | |
| 638 | } | |
| 639 | ||
| 640 | // }}} | |
| 641 | } | |
| 642 | ||
| 643 | class MDB2_Result_ibase extends MDB2_Result_Common | |
| 644 | { | |
| 645 | // {{{ _skipLimitOffset() | |
| 646 | ||
| 647 | /** | |
| 648 | * Skip the first row of a result set. | |
| 649 | * | |
| 650 | * @param resource $result | |
| 651 | * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure | |
| 652 | * @access protected | |
| 653 | */ | |
| 654 | function _skipLimitOffset() | |
| 655 | { | |
| 656 | if ($this->db->dsn['dbsyntax'] == 'firebird') { | |
| 657 | return true; | |
| 658 | } | |
| 659 | if ($this->limit) { | |
| 660 | if ($this->rownum > $this->limit) { | |
| 661 | return false; | |
| 662 | } | |
| 663 | } | |
| 664 | if ($this->offset) { | |
| 665 | while ($this->offset_count < $this->offset) { | |
| 666 | ++$this->offset_count; | |
| 667 | if (!is_array(@ibase_fetch_row($this->result))) { | |
| 668 | $this->offset_count = $this->offset; | |
| 669 | return false; | |
| 670 | } | |
| 671 | } | |
| 672 | } | |
| 673 | return true; | |
| 674 | } | |
| 675 | ||
| 676 | // }}} | |
| 677 | // {{{ fetchRow() | |
| 678 | ||
| 679 | /** | |
| 680 | * Fetch a row and insert the data into an existing array. | |
| 681 | * | |
| 682 | * @param int $fetchmode how the array data should be indexed | |
| 683 | * @param int $rownum number of the row where the data can be found | |
| 684 | * @return int data array on success, a MDB2 error on failure | |
| 685 | * @access public | |
| 686 | */ | |
| 687 | function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null) | |
| 688 | { | |
| 689 | if ($this->result === true) { | |
| 690 | //query successfully executed, but without results... | |
| 691 | $null = null; | |
| 692 | return $null; | |
| 693 | } | |
| 694 | if (!$this->_skipLimitOffset()) { | |
| 695 | $null = null; | |
| 696 | return $null; | |
| 697 | } | |
| 698 | if (!is_null($rownum)) { | |
| 699 | $seek = $this->seek($rownum); | |
| 700 | if (PEAR::isError($seek)) { | |
| 701 | return $seek; | |
| 702 | } | |
| 703 | } | |
| 704 | if ($fetchmode == MDB2_FETCHMODE_DEFAULT) { | |
| 705 | $fetchmode = $this->db->fetchmode; | |
| 706 | } | |
| 707 | if ($fetchmode & MDB2_FETCHMODE_ASSOC) { | |
| 708 | $row = @ibase_fetch_assoc($this->result); | |
| 709 | if (is_array($row) | |
| 710 | && $this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE | |
| 711 | ) { | |
| 712 | $row = array_change_key_case($row, $this->db->options['field_case']); | |
| 713 | } | |
| 714 | } else { | |
| 715 | $row = @ibase_fetch_row($this->result); | |
| 716 | } | |
| 717 | if (!$row) { | |
| 718 | if (is_null($this->result)) { | |
| 719 | $err =& $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, | |
| 720 | 'fetchRow: resultset has already been freed'); | |
| 721 | return $err; | |
| 722 | } | |
| 723 | $null = null; | |
| 724 | return $null; | |
| 725 | } | |
| 726 | if (($mode = ($this->db->options['portability'] & MDB2_PORTABILITY_RTRIM) | |
| 727 | + ($this->db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL)) | |
| 728 | ) { | |
| 729 | $this->db->_fixResultArrayValues($row, $mode); | |
| 730 | } | |
| 731 | if (!empty($this->values)) { | |
| 732 | $this->_assignBindColumns($row); | |
| 733 | } | |
| 734 | if (!empty($this->types)) { | |
| 735 | $row = $this->db->datatype->convertResultRow($this->types, $row); | |
| 736 | } | |
| 737 | if ($fetchmode === MDB2_FETCHMODE_OBJECT) { | |
| 738 | $object_class = $this->db->options['fetch_class']; | |
| 739 | if ($object_class == 'stdClass') { | |
| 740 | $row = (object) $row; | |
| 741 | } else { | |
| 742 | $row = &new $object_class($row); | |
| 743 | } | |
| 744 | } | |
| 745 | ++$this->rownum; | |
| 746 | return $row; | |
| 747 | } | |
| 748 | ||
| 749 | // }}} | |
| 750 | // {{{ _getColumnNames() | |
| 751 | ||
| 752 | /** | |
| 753 | * Retrieve the names of columns returned by the DBMS in a query result. | |
| 754 | * | |
| 755 | * @return mixed associative array variable | |
| 756 | * that holds the names of columns. The indexes of the array are | |
| 757 | * the column names mapped to lower case and the values are the | |
| 758 | * respective numbers of the columns starting from 0. Some DBMS may | |
| 759 | * not return any columns when the result set does not contain any | |
| 760 | * rows. | |
| 761 | * @access private | |
| 762 | */ | |
| 763 | function _getColumnNames() | |
| 764 | { | |
| 765 | $columns = array(); | |
| 766 | $numcols = $this->numCols(); | |
| 767 | if (PEAR::isError($numcols)) { | |
| 768 | return $numcols; | |
| 769 | } | |
| 770 | for ($column = 0; $column < $numcols; $column++) { | |
| 771 | $column_info = @ibase_field_info($this->result, $column); | |
| 772 | $columns[$column_info['alias']] = $column; | |
| 773 | } | |
| 774 | if ($this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { | |
| 775 | $columns = array_change_key_case($columns, $this->db->options['field_case']); | |
| 776 | } | |
| 777 | return $columns; | |
| 778 | } | |
| 779 | ||
| 780 | // }}} | |
| 781 | // {{{ numCols() | |
| 782 | ||
| 783 | /** | |
| 784 | * Count the number of columns returned by the DBMS in a query result. | |
| 785 | * | |
| 786 | * @return mixed integer value with the number of columns, a MDB2 error | |
| 787 | * on failure | |
| 788 | * @access public | |
| 789 | */ | |
| 790 | function numCols() | |
| 791 | { | |
| 792 | if ($this->result === true) { | |
| 793 | //query successfully executed, but without results... | |
| 794 | return 0; | |
| 795 | } | |
| 796 | ||
| 797 | if (!is_resource($this->result)) { | |
| 798 | return $this->db->raiseError('numCols(): not a valid ibase resource'); | |
| 799 | } | |
| 800 | $cols = @ibase_num_fields($this->result); | |
| 801 | if (is_null($cols)) { | |
| 802 | if (is_null($this->result)) { | |
| 803 | return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, | |
| 804 | 'numCols: resultset has already been freed'); | |
| 805 | } | |
| 806 | return $this->db->raiseError(); | |
| 807 | } | |
| 808 | return $cols; | |
| 809 | } | |
| 810 | ||
| 811 | // }}} | |
| 812 | // {{{ free() | |
| 813 | ||
| 814 | /** | |
| 815 | * Free the internal resources associated with $result. | |
| 816 | * | |
| 817 | * @return boolean true on success, false if $result is invalid | |
| 818 | * @access public | |
| 819 | */ | |
| 820 | function free() | |
| 821 | { | |
| 822 | if (is_resource($this->result)) { | |
| 823 | $free = @ibase_free_result($this->result); | |
| 824 | if (!$free) { | |
| 825 | if (is_null($this->result)) { | |
| 826 | return MDB2_OK; | |
| 827 | } | |
| 828 | return $this->db->raiseError(); | |
| 829 | } | |
| 830 | } | |
| 831 | $this->result = null; | |
| 832 | return MDB2_OK; | |
| 833 | } | |
| 834 | ||
| 835 | // }}} | |
| 836 | } | |
| 837 | ||
| 838 | class MDB2_BufferedResult_ibase extends MDB2_Result_ibase | |
| 839 | { | |
| 840 | // {{{ class vars | |
| 841 | ||
| 842 | var $buffer; | |
| 843 | var $buffer_rownum = - 1; | |
| 844 | ||
| 845 | // }}} | |
| 846 | // {{{ _fillBuffer() | |
| 847 | ||
| 848 | /** | |
| 849 | * Fill the row buffer | |
| 850 | * | |
| 851 | * @param int $rownum row number upto which the buffer should be filled | |
| 852 | * if the row number is null all rows are ready into the buffer | |
| 853 | * @return boolean true on success, false on failure | |
| 854 | * @access protected | |
| 855 | */ | |
| 856 | function _fillBuffer($rownum = null) | |
| 857 | { | |
| 858 | if (isset($this->buffer) && is_array($this->buffer)) { | |
| 859 | if (is_null($rownum)) { | |
| 860 | if (!end($this->buffer)) { | |
| 861 | return false; | |
| 862 | } | |
| 863 | } elseif (isset($this->buffer[$rownum])) { | |
| 864 | return (bool) $this->buffer[$rownum]; | |
| 865 | } | |
| 866 | } | |
| 867 | ||
| 868 | if (!$this->_skipLimitOffset()) { | |
| 869 | return false; | |
| 870 | } | |
| 871 | ||
| 872 | $buffer = true; | |
| 873 | while ((is_null($rownum) || $this->buffer_rownum < $rownum) | |
| 874 | && (!$this->limit || $this->buffer_rownum < $this->limit) | |
| 875 | && ($buffer = @ibase_fetch_row($this->result)) | |
| 876 | ) { | |
| 877 | ++$this->buffer_rownum; | |
| 878 | $this->buffer[$this->buffer_rownum] = $buffer; | |
| 879 | } | |
| 880 | ||
| 881 | if (!$buffer) { | |
| 882 | ++$this->buffer_rownum; | |
| 883 | $this->buffer[$this->buffer_rownum] = false; | |
| 884 | return false; | |
| 885 | } elseif ($this->limit && $this->buffer_rownum >= $this->limit) { | |
| 886 | ++$this->buffer_rownum; | |
| 887 | $this->buffer[$this->buffer_rownum] = false; | |
| 888 | } | |
| 889 | return true; | |
| 890 | } | |
| 891 | ||
| 892 | // }}} | |
| 893 | // {{{ fetchRow() | |
| 894 | ||
| 895 | /** | |
| 896 | * Fetch a row and insert the data into an existing array. | |
| 897 | * | |
| 898 | * @param int $fetchmode how the array data should be indexed | |
| 899 | * @param int $rownum number of the row where the data can be found | |
| 900 | * @return int data array on success, a MDB2 error on failure | |
| 901 | * @access public | |
| 902 | */ | |
| 903 | function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null) | |
| 904 | { | |
| 905 | if ($this->result === true) { | |
| 906 | //query successfully executed, but without results... | |
| 907 | $null = null; | |
| 908 | return $null; | |
| 909 | } | |
| 910 | if (is_null($this->result)) { | |
| 911 | $err =& $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, | |
| 912 | 'fetchRow: resultset has already been freed'); | |
| 913 | return $err; | |
| 914 | } | |
| 915 | if (!is_null($rownum)) { | |
| 916 | $seek = $this->seek($rownum); | |
| 917 | if (PEAR::isError($seek)) { | |
| 918 | return $seek; | |
| 919 | } | |
| 920 | } | |
| 921 | $target_rownum = $this->rownum + 1; | |
| 922 | if ($fetchmode == MDB2_FETCHMODE_DEFAULT) { | |
| 923 | $fetchmode = $this->db->fetchmode; | |
| 924 | } | |
| 925 | if (!$this->_fillBuffer($target_rownum)) { | |
| 926 | $null = null; | |
| 927 | return $null; | |
| 928 | } | |
| 929 | $row = $this->buffer[$target_rownum]; | |
| 930 | if ($fetchmode & MDB2_FETCHMODE_ASSOC) { | |
| 931 | $column_names = $this->getColumnNames(); | |
| 932 | foreach ($column_names as $name => $i) { | |
| 933 | $column_names[$name] = $row[$i]; | |
| 934 | } | |
| 935 | $row = $column_names; | |
| 936 | } | |
| 937 | if (($mode = ($this->db->options['portability'] & MDB2_PORTABILITY_RTRIM) | |
| 938 | + ($this->db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL)) | |
| 939 | ) { | |
| 940 | $this->db->_fixResultArrayValues($row, $mode); | |
| 941 | } | |
| 942 | if (!empty($this->values)) { | |
| 943 | $this->_assignBindColumns($row); | |
| 944 | } | |
| 945 | if (!empty($this->types)) { | |
| 946 | $row = $this->db->datatype->convertResultRow($this->types, $row); | |
| 947 | } | |
| 948 | if ($fetchmode === MDB2_FETCHMODE_OBJECT) { | |
| 949 | $object_class = $this->db->options['fetch_class']; | |
| 950 | if ($object_class == 'stdClass') { | |
| 951 | $row = (object) $row; | |
| 952 | } else { | |
| 953 | $row = &new $object_class($row); | |
| 954 | } | |
| 955 | } | |
| 956 | ++$this->rownum; | |
| 957 | return $row; | |
| 958 | } | |
| 959 | ||
| 960 | // }}} | |
| 961 | // {{{ seek() | |
| 962 | ||
| 963 | /** | |
| 964 | * seek to a specific row in a result set | |
| 965 | * | |
| 966 | * @param int $rownum number of the row where the data can be found | |
| 967 | * @return mixed MDB2_OK on success, a MDB2 error on failure | |
| 968 | * @access public | |
| 969 | */ | |
| 970 | function seek($rownum = 0) | |
| 971 | { | |
| 972 | if (is_null($this->result)) { | |
| 973 | return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, | |
| 974 | 'seek: resultset has already been freed'); | |
| 975 | } | |
| 976 | $this->rownum = $rownum - 1; | |
| 977 | return MDB2_OK; | |
| 978 | } | |
| 979 | ||
| 980 | // }}} | |
| 981 | // {{{ valid() | |
| 982 | ||
| 983 | /** | |
| 984 | * check if the end of the result set has been reached | |
| 985 | * | |
| 986 | * @return mixed true or false on sucess, a MDB2 error on failure | |
| 987 | * @access public | |
| 988 | */ | |
| 989 | function valid() | |
| 990 | { | |
| 991 | if (is_null($this->result)) { | |
| 992 | return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, | |
| 993 | 'valid: resultset has already been freed'); | |
| 994 | } | |
| 995 | if ($this->_fillBuffer($this->rownum + 1)) { | |
| 996 | return true; | |
| 997 | } | |
| 998 | return false; | |
| 999 | } | |
| 1000 | ||
| 1001 | // }}} | |
| 1002 | // {{{ numRows() | |
| 1003 | ||
| 1004 | /** | |
| 1005 | * returns the number of rows in a result object | |
| 1006 | * | |
| 1007 | * @return mixed MDB2 Error Object or the number of rows | |
| 1008 | * @access public | |
| 1009 | */ | |
| 1010 | function numRows() | |
| 1011 | { | |
| 1012 | if (is_null($this->result)) { | |
| 1013 | return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, | |
| 1014 | 'seek: resultset has already been freed'); | |
| 1015 | } | |
| 1016 | $this->_fillBuffer(); | |
| 1017 | return $this->buffer_rownum; | |
| 1018 | } | |
| 1019 | ||
| 1020 | // }}} | |
| 1021 | // {{{ free() | |
| 1022 | ||
| 1023 | /** | |
| 1024 | * Free the internal resources associated with $result. | |
| 1025 | * | |
| 1026 | * @return boolean true on success, false if $result is invalid | |
| 1027 | * @access public | |
| 1028 | */ | |
| 1029 | function free() | |
| 1030 | { | |
| 1031 | $this->buffer = null; | |
| 1032 | $this->buffer_rownum = null; | |
| 1033 | $free = parent::free(); | |
| 1034 | } | |
| 1035 | ||
| 1036 | // }}} | |
| 1037 | } | |
| 1038 | ||
| 1039 | class MDB2_Statement_ibase extends MDB2_Statement_Common | |
| 1040 | { | |
| 1041 | // {{{ _execute() | |
| 1042 | ||
| 1043 | /** | |
| 1044 | * Execute a prepared query statement helper method. | |
| 1045 | * | |
| 1046 | * @param mixed $result_class string which specifies which result class to use | |
| 1047 | * @param mixed $result_wrap_class string which specifies which class to wrap results in | |
| 1048 | * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure | |
| 1049 | * @access private | |
| 1050 | */ | |
| 1051 | function &_execute($result_class = true, $result_wrap_class = false) | |
| 1052 | { | |
| 1053 | $isManip = MDB2::isManip($this->query); | |
| 1054 | $this->db->last_query = $this->query; | |
| 1055 | $this->db->debug($this->query, 'execute'); | |
| 1056 | if ($this->db->getOption('disable_query')) { | |
| 1057 | if ($isManip) { | |
| 1058 | $return = 0; | |
| 1059 | return $return; | |
| 1060 | } | |
| 1061 | $null = null; | |
| 1062 | return $null; | |
| 1063 | } | |
| 1064 | ||
| 1065 | $connected = $this->db->connect(); | |
| 1066 | if (PEAR::isError($connected)) { | |
| 1067 | return $connected; | |
| 1068 | } | |
| 1069 | $connection = $this->db->in_transaction | |
| 1070 | ? $this->db->transaction_id : $this->db->connection; | |
| 1071 | ||
| 1072 | $parameters = array(0 => $this->statement); | |
| 1073 | $i = 0; | |
| 1074 | foreach ($this->values as $parameter => $value) { | |
| 1075 | $type = array_key_exists($parameter, $this->types) ? $this->types[$parameter] : null; | |
| 1076 | $parameters[] = $this->db->quote($value, $type, false); | |
| 1077 | ++$i; | |
| 1078 | } | |
| 1079 | ||
| 1080 | $result = call_user_func_array('ibase_execute', $parameters); | |
| 1081 | if ($result === false) { | |
| 1082 | $err =& $this->db->raiseError(); | |
| 1083 | return $err; | |
| 1084 | } | |
| 1085 | ||
| 1086 | if ($isManip) { | |
| 1087 | $affected_rows = (function_exists('ibase_affected_rows') ? ibase_affected_rows($connection) : 0); | |
| 1088 | return $affected_rows; | |
| 1089 | } | |
| 1090 | ||
| 1091 | $result =& $this->db->_wrapResult($result, $this->types, | |
| 1092 | $result_class, $result_wrap_class, $this->row_limit, $this->row_offset); | |
| 1093 | return $result; | |
| 1094 | } | |
| 1095 | ||
| 1096 | // }}} | |
| 1097 | ||
| 1098 | // }}} | |
| 1099 | // {{{ free() | |
| 1100 | ||
| 1101 | /** | |
| 1102 | * Release resources allocated for the specified prepared query. | |
| 1103 | * | |
| 1104 | * @return mixed MDB2_OK on success, a MDB2 error on failure | |
| 1105 | * @access public | |
| 1106 | */ | |
| 1107 | function free() | |
| 1108 | { | |
| 1109 | if (!@ibase_free_query($this->statement)) { | |
| 1110 | return $this->db->raiseError(); | |
| 1111 | } | |
| 1112 | return MDB2_OK; | |
| 1113 | } | |
| 1114 | } | |
| 1115 | ?> | |
