Db2
2 years ago
Mysqli
2 years ago
Oracle
2 years ago
Pdo
2 years ago
Sqlsrv
2 years ago
Abstract.php
2 years ago
Db2.php
2 years ago
Exception.php
2 years ago
Mysqli.php
2 years ago
Oracle.php
2 years ago
Sqlsrv.php
2 years ago
Sqlsrv.php
580 lines
| 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: Sqlsrv.php 23775 2011-03-01 17:25:24Z ralph $ |
| 23 | */ |
| 24 | /** |
| 25 | * @see Zend_Db_Adapter_Abstract |
| 26 | */ |
| 27 | // require_once 'Zend/Db/Adapter/Abstract.php'; |
| 28 | /** |
| 29 | * @see Zend_Db_Statement_Sqlsrv |
| 30 | */ |
| 31 | // require_once 'Zend/Db/Statement/Sqlsrv.php'; |
| 32 | /** |
| 33 | * @category Zend |
| 34 | * @package Zend_Db |
| 35 | * @subpackage Adapter |
| 36 | * @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com) |
| 37 | * @license http://framework.zend.com/license/new-bsd New BSD License |
| 38 | */ |
| 39 | class Zend_Db_Adapter_Sqlsrv extends \Zend_Db_Adapter_Abstract |
| 40 | { |
| 41 | /** |
| 42 | * User-provided configuration. |
| 43 | * |
| 44 | * Basic keys are: |
| 45 | * |
| 46 | * username => (string) Connect to the database as this username. |
| 47 | * password => (string) Password associated with the username. |
| 48 | * dbname => The name of the local SQL Server instance |
| 49 | * |
| 50 | * @var array |
| 51 | */ |
| 52 | protected $_config = array('dbname' => null, 'username' => null, 'password' => null); |
| 53 | /** |
| 54 | * Last insert id from INSERT query |
| 55 | * |
| 56 | * @var int |
| 57 | */ |
| 58 | protected $_lastInsertId; |
| 59 | /** |
| 60 | * Query used to fetch last insert id |
| 61 | * |
| 62 | * @var string |
| 63 | */ |
| 64 | protected $_lastInsertSQL = 'SELECT SCOPE_IDENTITY() as Current_Identity'; |
| 65 | /** |
| 66 | * Keys are UPPERCASE SQL datatypes or the constants |
| 67 | * Zend_Db::INT_TYPE, Zend_Db::BIGINT_TYPE, or Zend_Db::FLOAT_TYPE. |
| 68 | * |
| 69 | * Values are: |
| 70 | * 0 = 32-bit integer |
| 71 | * 1 = 64-bit integer |
| 72 | * 2 = float or decimal |
| 73 | * |
| 74 | * @var array Associative array of datatypes to values 0, 1, or 2. |
| 75 | */ |
| 76 | 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, 'INT' => \Zend_Db::INT_TYPE, 'SMALLINT' => \Zend_Db::INT_TYPE, 'TINYINT' => \Zend_Db::INT_TYPE, 'BIGINT' => \Zend_Db::BIGINT_TYPE, 'DECIMAL' => \Zend_Db::FLOAT_TYPE, 'FLOAT' => \Zend_Db::FLOAT_TYPE, 'MONEY' => \Zend_Db::FLOAT_TYPE, 'NUMERIC' => \Zend_Db::FLOAT_TYPE, 'REAL' => \Zend_Db::FLOAT_TYPE, 'SMALLMONEY' => \Zend_Db::FLOAT_TYPE); |
| 77 | /** |
| 78 | * Default class name for a DB statement. |
| 79 | * |
| 80 | * @var string |
| 81 | */ |
| 82 | protected $_defaultStmtClass = 'Zend_Db_Statement_Sqlsrv'; |
| 83 | /** |
| 84 | * Creates a connection resource. |
| 85 | * |
| 86 | * @return void |
| 87 | * @throws Zend_Db_Adapter_Sqlsrv_Exception |
| 88 | */ |
| 89 | protected function _connect() |
| 90 | { |
| 91 | if (\is_resource($this->_connection)) { |
| 92 | // connection already exists |
| 93 | return; |
| 94 | } |
| 95 | if (!\extension_loaded('sqlsrv')) { |
| 96 | /** |
| 97 | * @see Zend_Db_Adapter_Sqlsrv_Exception |
| 98 | */ |
| 99 | // require_once 'Zend/Db/Adapter/Sqlsrv/Exception.php'; |
| 100 | throw new \Zend_Db_Adapter_Sqlsrv_Exception('The Sqlsrv extension is required for this adapter but the extension is not loaded'); |
| 101 | } |
| 102 | $serverName = $this->_config['host']; |
| 103 | if (isset($this->_config['port'])) { |
| 104 | $port = (int) $this->_config['port']; |
| 105 | $serverName .= ', ' . $port; |
| 106 | } |
| 107 | $connectionInfo = array('Database' => $this->_config['dbname']); |
| 108 | if (isset($this->_config['username']) && isset($this->_config['password'])) { |
| 109 | $connectionInfo += array('UID' => $this->_config['username'], 'PWD' => $this->_config['password']); |
| 110 | } |
| 111 | // else - windows authentication |
| 112 | if (!empty($this->_config['driver_options'])) { |
| 113 | foreach ($this->_config['driver_options'] as $option => $value) { |
| 114 | // A value may be a constant. |
| 115 | if (\is_string($value)) { |
| 116 | $constantName = \strtoupper($value); |
| 117 | if (\defined($constantName)) { |
| 118 | $connectionInfo[$option] = \constant($constantName); |
| 119 | } else { |
| 120 | $connectionInfo[$option] = $value; |
| 121 | } |
| 122 | } |
| 123 | } |
| 124 | } |
| 125 | $this->_connection = \sqlsrv_connect($serverName, $connectionInfo); |
| 126 | if (!$this->_connection) { |
| 127 | /** |
| 128 | * @see Zend_Db_Adapter_Sqlsrv_Exception |
| 129 | */ |
| 130 | // require_once 'Zend/Db/Adapter/Sqlsrv/Exception.php'; |
| 131 | throw new \Zend_Db_Adapter_Sqlsrv_Exception(\sqlsrv_errors()); |
| 132 | } |
| 133 | } |
| 134 | /** |
| 135 | * Check for config options that are mandatory. |
| 136 | * Throw exceptions if any are missing. |
| 137 | * |
| 138 | * @param array $config |
| 139 | * @throws Zend_Db_Adapter_Exception |
| 140 | */ |
| 141 | protected function _checkRequiredOptions(array $config) |
| 142 | { |
| 143 | // we need at least a dbname |
| 144 | if (!\array_key_exists('dbname', $config)) { |
| 145 | /** @see Zend_Db_Adapter_Exception */ |
| 146 | // require_once 'Zend/Db/Adapter/Exception.php'; |
| 147 | throw new \Zend_Db_Adapter_Exception("Configuration array must have a key for 'dbname' that names the database instance"); |
| 148 | } |
| 149 | if (!\array_key_exists('password', $config) && \array_key_exists('username', $config)) { |
| 150 | /** |
| 151 | * @see Zend_Db_Adapter_Exception |
| 152 | */ |
| 153 | // require_once 'Zend/Db/Adapter/Exception.php'; |
| 154 | throw new \Zend_Db_Adapter_Exception("Configuration array must have a key for 'password' for login credentials.\n If Windows Authentication is desired, both keys 'username' and 'password' should be ommited from config."); |
| 155 | } |
| 156 | if (\array_key_exists('password', $config) && !\array_key_exists('username', $config)) { |
| 157 | /** |
| 158 | * @see Zend_Db_Adapter_Exception |
| 159 | */ |
| 160 | // require_once 'Zend/Db/Adapter/Exception.php'; |
| 161 | throw new \Zend_Db_Adapter_Exception("Configuration array must have a key for 'username' for login credentials.\n If Windows Authentication is desired, both keys 'username' and 'password' should be ommited from config."); |
| 162 | } |
| 163 | } |
| 164 | /** |
| 165 | * Set the transaction isoltion level. |
| 166 | * |
| 167 | * @param integer|null $level A fetch mode from SQLSRV_TXN_*. |
| 168 | * @return true |
| 169 | * @throws Zend_Db_Adapter_Sqlsrv_Exception |
| 170 | */ |
| 171 | public function setTransactionIsolationLevel($level = null) |
| 172 | { |
| 173 | $this->_connect(); |
| 174 | $sql = null; |
| 175 | // Default transaction level in sql server |
| 176 | if ($level === null) { |
| 177 | $level = \SQLSRV_TXN_READ_COMMITTED; |
| 178 | } |
| 179 | switch ($level) { |
| 180 | case \SQLSRV_TXN_READ_UNCOMMITTED: |
| 181 | $sql = "READ UNCOMMITTED"; |
| 182 | break; |
| 183 | case \SQLSRV_TXN_READ_COMMITTED: |
| 184 | $sql = "READ COMMITTED"; |
| 185 | break; |
| 186 | case \SQLSRV_TXN_REPEATABLE_READ: |
| 187 | $sql = "REPEATABLE READ"; |
| 188 | break; |
| 189 | case \SQLSRV_TXN_SNAPSHOT: |
| 190 | $sql = "SNAPSHOT"; |
| 191 | break; |
| 192 | case \SQLSRV_TXN_SERIALIZABLE: |
| 193 | $sql = "SERIALIZABLE"; |
| 194 | break; |
| 195 | default: |
| 196 | // require_once 'Zend/Db/Adapter/Sqlsrv/Exception.php'; |
| 197 | throw new \Zend_Db_Adapter_Sqlsrv_Exception("Invalid transaction isolation level mode '{$level}' specified"); |
| 198 | } |
| 199 | if (!\sqlsrv_query($this->_connection, "SET TRANSACTION ISOLATION LEVEL {$sql};")) { |
| 200 | // require_once 'Zend/Db/Adapter/Sqlsrv/Exception.php'; |
| 201 | throw new \Zend_Db_Adapter_Sqlsrv_Exception("Transaction cannot be changed to '{$level}'"); |
| 202 | } |
| 203 | return \true; |
| 204 | } |
| 205 | /** |
| 206 | * Test if a connection is active |
| 207 | * |
| 208 | * @return boolean |
| 209 | */ |
| 210 | public function isConnected() |
| 211 | { |
| 212 | return \is_resource($this->_connection) && \get_resource_type($this->_connection) == 'SQL Server Connection'; |
| 213 | } |
| 214 | /** |
| 215 | * Force the connection to close. |
| 216 | * |
| 217 | * @return void |
| 218 | */ |
| 219 | public function closeConnection() |
| 220 | { |
| 221 | if ($this->isConnected()) { |
| 222 | \sqlsrv_close($this->_connection); |
| 223 | } |
| 224 | $this->_connection = null; |
| 225 | } |
| 226 | /** |
| 227 | * Returns an SQL statement for preparation. |
| 228 | * |
| 229 | * @param string $sql The SQL statement with placeholders. |
| 230 | * @return Zend_Db_Statement_Sqlsrv |
| 231 | */ |
| 232 | public function prepare($sql) |
| 233 | { |
| 234 | $this->_connect(); |
| 235 | $stmtClass = $this->_defaultStmtClass; |
| 236 | if (!\class_exists($stmtClass)) { |
| 237 | /** |
| 238 | * @see Zend_Loader |
| 239 | */ |
| 240 | // require_once 'Zend/Loader.php'; |
| 241 | \Zend_Loader::loadClass($stmtClass); |
| 242 | } |
| 243 | $stmt = new $stmtClass($this, $sql); |
| 244 | $stmt->setFetchMode($this->_fetchMode); |
| 245 | return $stmt; |
| 246 | } |
| 247 | /** |
| 248 | * Quote a raw string. |
| 249 | * |
| 250 | * @param string $value Raw string |
| 251 | * @return string Quoted string |
| 252 | */ |
| 253 | protected function _quote($value) |
| 254 | { |
| 255 | if (\is_int($value)) { |
| 256 | return $value; |
| 257 | } elseif (\is_float($value)) { |
| 258 | return \sprintf('%F', $value); |
| 259 | } |
| 260 | return "'" . \str_replace("'", "''", $value) . "'"; |
| 261 | } |
| 262 | /** |
| 263 | * Gets the last ID generated automatically by an IDENTITY/AUTOINCREMENT column. |
| 264 | * |
| 265 | * As a convention, on RDBMS brands that support sequences |
| 266 | * (e.g. Oracle, PostgreSQL, DB2), this method forms the name of a sequence |
| 267 | * from the arguments and returns the last id generated by that sequence. |
| 268 | * On RDBMS brands that support IDENTITY/AUTOINCREMENT columns, this method |
| 269 | * returns the last value generated for such a column, and the table name |
| 270 | * argument is disregarded. |
| 271 | * |
| 272 | * @param string $tableName OPTIONAL Name of table. |
| 273 | * @param string $primaryKey OPTIONAL Name of primary key column. |
| 274 | * @return string |
| 275 | */ |
| 276 | public function lastInsertId($tableName = null, $primaryKey = null) |
| 277 | { |
| 278 | if ($tableName) { |
| 279 | $tableName = $this->quote($tableName); |
| 280 | $sql = 'SELECT IDENT_CURRENT (' . $tableName . ') as Current_Identity'; |
| 281 | return (string) $this->fetchOne($sql); |
| 282 | } |
| 283 | if ($this->_lastInsertId > 0) { |
| 284 | return (string) $this->_lastInsertId; |
| 285 | } |
| 286 | $sql = $this->_lastInsertSQL; |
| 287 | return (string) $this->fetchOne($sql); |
| 288 | } |
| 289 | /** |
| 290 | * Inserts a table row with specified data. |
| 291 | * |
| 292 | * @param mixed $table The table to insert data into. |
| 293 | * @param array $bind Column-value pairs. |
| 294 | * @return int The number of affected rows. |
| 295 | */ |
| 296 | public function insert($table, array $bind) |
| 297 | { |
| 298 | // extract and quote col names from the array keys |
| 299 | $cols = array(); |
| 300 | $vals = array(); |
| 301 | foreach ($bind as $col => $val) { |
| 302 | $cols[] = $this->quoteIdentifier($col, \true); |
| 303 | if ($val instanceof \Zend_Db_Expr) { |
| 304 | $vals[] = $val->__toString(); |
| 305 | unset($bind[$col]); |
| 306 | } else { |
| 307 | $vals[] = '?'; |
| 308 | } |
| 309 | } |
| 310 | // build the statement |
| 311 | $sql = "INSERT INTO " . $this->quoteIdentifier($table, \true) . ' (' . \implode(', ', $cols) . ') ' . 'VALUES (' . \implode(', ', $vals) . ')' . ' ' . $this->_lastInsertSQL; |
| 312 | // execute the statement and return the number of affected rows |
| 313 | $stmt = $this->query($sql, \array_values($bind)); |
| 314 | $result = $stmt->rowCount(); |
| 315 | $stmt->nextRowset(); |
| 316 | $this->_lastInsertId = $stmt->fetchColumn(); |
| 317 | return $result; |
| 318 | } |
| 319 | /** |
| 320 | * Returns a list of the tables in the database. |
| 321 | * |
| 322 | * @return array |
| 323 | */ |
| 324 | public function listTables() |
| 325 | { |
| 326 | $this->_connect(); |
| 327 | $sql = "SELECT name FROM sysobjects WHERE type = 'U' ORDER BY name"; |
| 328 | return $this->fetchCol($sql); |
| 329 | } |
| 330 | /** |
| 331 | * Returns the column descriptions for a table. |
| 332 | * |
| 333 | * The return value is an associative array keyed by the column name, |
| 334 | * as returned by the RDBMS. |
| 335 | * |
| 336 | * The value of each array element is an associative array |
| 337 | * with the following keys: |
| 338 | * |
| 339 | * SCHEMA_NAME => string; name of schema |
| 340 | * TABLE_NAME => string; |
| 341 | * COLUMN_NAME => string; column name |
| 342 | * COLUMN_POSITION => number; ordinal position of column in table |
| 343 | * DATA_TYPE => string; SQL datatype name of column |
| 344 | * DEFAULT => string; default expression of column, null if none |
| 345 | * NULLABLE => boolean; true if column can have nulls |
| 346 | * LENGTH => number; length of CHAR/VARCHAR |
| 347 | * SCALE => number; scale of NUMERIC/DECIMAL |
| 348 | * PRECISION => number; precision of NUMERIC/DECIMAL |
| 349 | * UNSIGNED => boolean; unsigned property of an integer type |
| 350 | * PRIMARY => boolean; true if column is part of the primary key |
| 351 | * PRIMARY_POSITION => integer; position of column in primary key |
| 352 | * IDENTITY => integer; true if column is auto-generated with unique values |
| 353 | * |
| 354 | * @todo Discover integer unsigned property. |
| 355 | * |
| 356 | * @param string $tableName |
| 357 | * @param string $schemaName OPTIONAL |
| 358 | * @return array |
| 359 | */ |
| 360 | public function describeTable($tableName, $schemaName = null) |
| 361 | { |
| 362 | /** |
| 363 | * Discover metadata information about this table. |
| 364 | */ |
| 365 | $sql = "exec sp_columns @table_name = " . $this->quoteIdentifier($tableName, \true); |
| 366 | $stmt = $this->query($sql); |
| 367 | $result = $stmt->fetchAll(\Zend_Db::FETCH_NUM); |
| 368 | // ZF-7698 |
| 369 | $stmt->closeCursor(); |
| 370 | if (\count($result) == 0) { |
| 371 | return array(); |
| 372 | } |
| 373 | $owner = 1; |
| 374 | $table_name = 2; |
| 375 | $column_name = 3; |
| 376 | $type_name = 5; |
| 377 | $precision = 6; |
| 378 | $length = 7; |
| 379 | $scale = 8; |
| 380 | $nullable = 10; |
| 381 | $column_def = 12; |
| 382 | $column_position = 16; |
| 383 | /** |
| 384 | * Discover primary key column(s) for this table. |
| 385 | */ |
| 386 | $tableOwner = $result[0][$owner]; |
| 387 | $sql = "exec sp_pkeys @table_owner = " . $tableOwner . ", @table_name = " . $this->quoteIdentifier($tableName, \true); |
| 388 | $stmt = $this->query($sql); |
| 389 | $primaryKeysResult = $stmt->fetchAll(\Zend_Db::FETCH_NUM); |
| 390 | $primaryKeyColumn = array(); |
| 391 | // Per http://msdn.microsoft.com/en-us/library/ms189813.aspx, |
| 392 | // results from sp_keys stored procedure are: |
| 393 | // 0=TABLE_QUALIFIER 1=TABLE_OWNER 2=TABLE_NAME 3=COLUMN_NAME 4=KEY_SEQ 5=PK_NAME |
| 394 | $pkey_column_name = 3; |
| 395 | $pkey_key_seq = 4; |
| 396 | foreach ($primaryKeysResult as $pkeysRow) { |
| 397 | $primaryKeyColumn[$pkeysRow[$pkey_column_name]] = $pkeysRow[$pkey_key_seq]; |
| 398 | } |
| 399 | $desc = array(); |
| 400 | $p = 1; |
| 401 | foreach ($result as $key => $row) { |
| 402 | $identity = \false; |
| 403 | $words = \explode(' ', $row[$type_name], 2); |
| 404 | if (isset($words[0])) { |
| 405 | $type = $words[0]; |
| 406 | if (isset($words[1])) { |
| 407 | $identity = (bool) \preg_match('/identity/', $words[1]); |
| 408 | } |
| 409 | } |
| 410 | $isPrimary = \array_key_exists($row[$column_name], $primaryKeyColumn); |
| 411 | if ($isPrimary) { |
| 412 | $primaryPosition = $primaryKeyColumn[$row[$column_name]]; |
| 413 | } else { |
| 414 | $primaryPosition = null; |
| 415 | } |
| 416 | $desc[$this->foldCase($row[$column_name])] = array( |
| 417 | 'SCHEMA_NAME' => null, |
| 418 | // @todo |
| 419 | 'TABLE_NAME' => $this->foldCase($row[$table_name]), |
| 420 | 'COLUMN_NAME' => $this->foldCase($row[$column_name]), |
| 421 | 'COLUMN_POSITION' => (int) $row[$column_position], |
| 422 | 'DATA_TYPE' => $type, |
| 423 | 'DEFAULT' => $row[$column_def], |
| 424 | 'NULLABLE' => (bool) $row[$nullable], |
| 425 | 'LENGTH' => $row[$length], |
| 426 | 'SCALE' => $row[$scale], |
| 427 | 'PRECISION' => $row[$precision], |
| 428 | 'UNSIGNED' => null, |
| 429 | // @todo |
| 430 | 'PRIMARY' => $isPrimary, |
| 431 | 'PRIMARY_POSITION' => $primaryPosition, |
| 432 | 'IDENTITY' => $identity, |
| 433 | ); |
| 434 | } |
| 435 | return $desc; |
| 436 | } |
| 437 | /** |
| 438 | * Leave autocommit mode and begin a transaction. |
| 439 | * |
| 440 | * @return void |
| 441 | * @throws Zend_Db_Adapter_Sqlsrv_Exception |
| 442 | */ |
| 443 | protected function _beginTransaction() |
| 444 | { |
| 445 | if (!\sqlsrv_begin_transaction($this->_connection)) { |
| 446 | // require_once 'Zend/Db/Adapter/Sqlsrv/Exception.php'; |
| 447 | throw new \Zend_Db_Adapter_Sqlsrv_Exception(\sqlsrv_errors()); |
| 448 | } |
| 449 | } |
| 450 | /** |
| 451 | * Commit a transaction and return to autocommit mode. |
| 452 | * |
| 453 | * @return void |
| 454 | * @throws Zend_Db_Adapter_Sqlsrv_Exception |
| 455 | */ |
| 456 | protected function _commit() |
| 457 | { |
| 458 | if (!\sqlsrv_commit($this->_connection)) { |
| 459 | // require_once 'Zend/Db/Adapter/Sqlsrv/Exception.php'; |
| 460 | throw new \Zend_Db_Adapter_Sqlsrv_Exception(\sqlsrv_errors()); |
| 461 | } |
| 462 | } |
| 463 | /** |
| 464 | * Roll back a transaction and return to autocommit mode. |
| 465 | * |
| 466 | * @return void |
| 467 | * @throws Zend_Db_Adapter_Sqlsrv_Exception |
| 468 | */ |
| 469 | protected function _rollBack() |
| 470 | { |
| 471 | if (!\sqlsrv_rollback($this->_connection)) { |
| 472 | // require_once 'Zend/Db/Adapter/Sqlsrv/Exception.php'; |
| 473 | throw new \Zend_Db_Adapter_Sqlsrv_Exception(\sqlsrv_errors()); |
| 474 | } |
| 475 | } |
| 476 | /** |
| 477 | * Set the fetch mode. |
| 478 | * |
| 479 | * @todo Support FETCH_CLASS and FETCH_INTO. |
| 480 | * |
| 481 | * @param integer $mode A fetch mode. |
| 482 | * @return void |
| 483 | * @throws Zend_Db_Adapter_Sqlsrv_Exception |
| 484 | */ |
| 485 | public function setFetchMode($mode) |
| 486 | { |
| 487 | switch ($mode) { |
| 488 | case \Zend_Db::FETCH_NUM: |
| 489 | // seq array |
| 490 | case \Zend_Db::FETCH_ASSOC: |
| 491 | // assoc array |
| 492 | case \Zend_Db::FETCH_BOTH: |
| 493 | // seq+assoc array |
| 494 | case \Zend_Db::FETCH_OBJ: |
| 495 | // object |
| 496 | $this->_fetchMode = $mode; |
| 497 | break; |
| 498 | case \Zend_Db::FETCH_BOUND: |
| 499 | // bound to PHP variable |
| 500 | // require_once 'Zend/Db/Adapter/Sqlsrv/Exception.php'; |
| 501 | throw new \Zend_Db_Adapter_Sqlsrv_Exception('FETCH_BOUND is not supported yet'); |
| 502 | break; |
| 503 | default: |
| 504 | // require_once 'Zend/Db/Adapter/Sqlsrv/Exception.php'; |
| 505 | throw new \Zend_Db_Adapter_Sqlsrv_Exception("Invalid fetch mode '{$mode}' specified"); |
| 506 | break; |
| 507 | } |
| 508 | } |
| 509 | /** |
| 510 | * Adds an adapter-specific LIMIT clause to the SELECT statement. |
| 511 | * |
| 512 | * @param string $sql |
| 513 | * @param integer $count |
| 514 | * @param integer $offset OPTIONAL |
| 515 | * @return string |
| 516 | * @throws Zend_Db_Adapter_Sqlsrv_Exception |
| 517 | */ |
| 518 | public function limit($sql, $count, $offset = 0) |
| 519 | { |
| 520 | $count = \intval($count); |
| 521 | if ($count <= 0) { |
| 522 | // require_once 'Zend/Db/Adapter/Exception.php'; |
| 523 | throw new \Zend_Db_Adapter_Exception("LIMIT argument count={$count} is not valid"); |
| 524 | } |
| 525 | $offset = \intval($offset); |
| 526 | if ($offset < 0) { |
| 527 | /** @see Zend_Db_Adapter_Exception */ |
| 528 | // require_once 'Zend/Db/Adapter/Exception.php'; |
| 529 | throw new \Zend_Db_Adapter_Exception("LIMIT argument offset={$offset} is not valid"); |
| 530 | } |
| 531 | if ($offset == 0) { |
| 532 | $sql = \preg_replace('/^SELECT\\s/i', 'SELECT TOP ' . $count . ' ', $sql); |
| 533 | } else { |
| 534 | $orderby = \stristr($sql, 'ORDER BY'); |
| 535 | if (!$orderby) { |
| 536 | $over = 'ORDER BY (SELECT 0)'; |
| 537 | } else { |
| 538 | $over = \preg_replace('/\\"[^,]*\\".\\"([^,]*)\\"/i', '"inner_tbl"."$1"', $orderby); |
| 539 | } |
| 540 | // Remove ORDER BY clause from $sql |
| 541 | $sql = \preg_replace('/\\s+ORDER BY(.*)/', '', $sql); |
| 542 | // Add ORDER BY clause as an argument for ROW_NUMBER() |
| 543 | $sql = "SELECT ROW_NUMBER() OVER ({$over}) AS \"ZEND_DB_ROWNUM\", * FROM ({$sql}) AS inner_tbl"; |
| 544 | $start = $offset + 1; |
| 545 | $end = $offset + $count; |
| 546 | $sql = "WITH outer_tbl AS ({$sql}) SELECT * FROM outer_tbl WHERE \"ZEND_DB_ROWNUM\" BETWEEN {$start} AND {$end}"; |
| 547 | } |
| 548 | return $sql; |
| 549 | } |
| 550 | /** |
| 551 | * Check if the adapter supports real SQL parameters. |
| 552 | * |
| 553 | * @param string $type 'positional' or 'named' |
| 554 | * @return bool |
| 555 | */ |
| 556 | public function supportsParameters($type) |
| 557 | { |
| 558 | if ($type == 'positional') { |
| 559 | return \true; |
| 560 | } |
| 561 | // if its 'named' or anything else |
| 562 | return \false; |
| 563 | } |
| 564 | /** |
| 565 | * Retrieve server version in PHP style |
| 566 | * |
| 567 | * @return string |
| 568 | */ |
| 569 | public function getServerVersion() |
| 570 | { |
| 571 | $this->_connect(); |
| 572 | $serverInfo = \sqlsrv_server_info($this->_connection); |
| 573 | if ($serverInfo !== \false) { |
| 574 | return $serverInfo['SQLServerVersion']; |
| 575 | } |
| 576 | return null; |
| 577 | } |
| 578 | } |
| 579 | } |
| 580 |