| commit | author | age | ||
| c9462d | 1 | <?php |
| S | 2 | // +----------------------------------------------------------------------+ |
| 3 | // | PHP versions 4 and 5 | | |
| 4 | // +----------------------------------------------------------------------+ | |
| 5 | // | Copyright (c) 1998-2004 Manuel Lemos, Tomas V.V.Cox, | | |
| 6 | // | Stig. S. Bakken, Lukas Smith | | |
| 7 | // | All rights reserved. | | |
| 8 | // +----------------------------------------------------------------------+ | |
| 9 | // | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB | | |
| 10 | // | API as well as database abstraction for PHP applications. | | |
| 11 | // | This LICENSE is in the BSD license style. | | |
| 12 | // | | | |
| 13 | // | Redistribution and use in source and binary forms, with or without | | |
| 14 | // | modification, are permitted provided that the following conditions | | |
| 15 | // | are met: | | |
| 16 | // | | | |
| 17 | // | Redistributions of source code must retain the above copyright | | |
| 18 | // | notice, this list of conditions and the following disclaimer. | | |
| 19 | // | | | |
| 20 | // | Redistributions in binary form must reproduce the above copyright | | |
| 21 | // | notice, this list of conditions and the following disclaimer in the | | |
| 22 | // | documentation and/or other materials provided with the distribution. | | |
| 23 | // | | | |
| 24 | // | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, | | |
| 25 | // | Lukas Smith nor the names of his contributors may be used to endorse | | |
| 26 | // | or promote products derived from this software without specific prior| | |
| 27 | // | written permission. | | |
| 28 | // | | | |
| 29 | // | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | | |
| 30 | // | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | | |
| 31 | // | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | | |
| 32 | // | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | | |
| 33 | // | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | | |
| 34 | // | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | | |
| 35 | // | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS| | |
| 36 | // | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | | |
| 37 | // | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | | |
| 38 | // | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY| | |
| 39 | // | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | | |
| 40 | // | POSSIBILITY OF SUCH DAMAGE. | | |
| 41 | // +----------------------------------------------------------------------+ | |
| 42 | // | Author: Frank M. Kromann <frank@kromann.info> | | |
| 43 | // +----------------------------------------------------------------------+ | |
| 44 | // | |
| 45 | // $Id$ | |
| 46 | // | |
| 47 | ||
| 48 | require_once 'MDB2/Driver/Manager/Common.php'; | |
| 49 | // {{{ class MDB2_Driver_Manager_mssql | |
| 50 | /** | |
| 51 | * MDB2 MSSQL driver for the management modules | |
| 52 | * | |
| 53 | * @package MDB2 | |
| 54 | * @category Database | |
| 55 | * @author Frank M. Kromann <frank@kromann.info> | |
| 56 | */ | |
| 57 | class MDB2_Driver_Manager_mssql extends MDB2_Driver_Manager_Common | |
| 58 | { | |
| 59 | // {{{ createDatabase() | |
| 60 | ||
| 61 | /** | |
| 62 | * create a new database | |
| 63 | * | |
| 64 | * @param string $name name of the database that should be created | |
| 65 | * @return mixed MDB2_OK on success, a MDB2 error on failure | |
| 66 | * @access public | |
| 67 | */ | |
| 68 | function createDatabase($name) | |
| 69 | { | |
| 70 | $db =& $this->getDBInstance(); | |
| 71 | if (PEAR::isError($db)) { | |
| 72 | return $db; | |
| 73 | } | |
| 74 | ||
| 75 | $query = "CREATE DATABASE $name"; | |
| 76 | if($db->options['database_device']) { | |
| 77 | $query.= ' ON '.$db->options['database_device']; | |
| 78 | $query.= $db->options['database_size'] ? '='.$db->options['database_size'] : ''; | |
| 79 | } | |
| 80 | return $db->standaloneQuery($query); | |
| 81 | } | |
| 82 | ||
| 83 | // }}} | |
| 84 | // {{{ dropDatabase() | |
| 85 | ||
| 86 | /** | |
| 87 | * drop an existing database | |
| 88 | * | |
| 89 | * @param string $name name of the database that should be dropped | |
| 90 | * @return mixed MDB2_OK on success, a MDB2 error on failure | |
| 91 | * @access public | |
| 92 | */ | |
| 93 | function dropDatabase($name) | |
| 94 | { | |
| 95 | $db =& $this->getDBInstance(); | |
| 96 | if (PEAR::isError($db)) { | |
| 97 | return $db; | |
| 98 | } | |
| 99 | ||
| 100 | return $db->standaloneQuery("DROP DATABASE $name"); | |
| 101 | } | |
| 102 | ||
| 103 | // }}} | |
| 104 | // {{{ alterTable() | |
| 105 | ||
| 106 | /** | |
| 107 | * alter an existing table | |
| 108 | * | |
| 109 | * @param string $name name of the table that is intended to be changed. | |
| 110 | * @param array $changes associative array that contains the details of each type | |
| 111 | * of change that is intended to be performed. The types of | |
| 112 | * changes that are currently supported are defined as follows: | |
| 113 | * | |
| 114 | * name | |
| 115 | * | |
| 116 | * New name for the table. | |
| 117 | * | |
| 118 | * add | |
| 119 | * | |
| 120 | * Associative array with the names of fields to be added as | |
| 121 | * indexes of the array. The value of each entry of the array | |
| 122 | * should be set to another associative array with the properties | |
| 123 | * of the fields to be added. The properties of the fields should | |
| 124 | * be the same as defined by the Metabase parser. | |
| 125 | * | |
| 126 | * | |
| 127 | * remove | |
| 128 | * | |
| 129 | * Associative array with the names of fields to be removed as indexes | |
| 130 | * of the array. Currently the values assigned to each entry are ignored. | |
| 131 | * An empty array should be used for future compatibility. | |
| 132 | * | |
| 133 | * rename | |
| 134 | * | |
| 135 | * Associative array with the names of fields to be renamed as indexes | |
| 136 | * of the array. The value of each entry of the array should be set to | |
| 137 | * another associative array with the entry named name with the new | |
| 138 | * field name and the entry named Declaration that is expected to contain | |
| 139 | * the portion of the field declaration already in DBMS specific SQL code | |
| 140 | * as it is used in the CREATE TABLE statement. | |
| 141 | * | |
| 142 | * change | |
| 143 | * | |
| 144 | * Associative array with the names of the fields to be changed as indexes | |
| 145 | * of the array. Keep in mind that if it is intended to change either the | |
| 146 | * name of a field and any other properties, the change array entries | |
| 147 | * should have the new names of the fields as array indexes. | |
| 148 | * | |
| 149 | * The value of each entry of the array should be set to another associative | |
| 150 | * array with the properties of the fields to that are meant to be changed as | |
| 151 | * array entries. These entries should be assigned to the new values of the | |
| 152 | * respective properties. The properties of the fields should be the same | |
| 153 | * as defined by the Metabase parser. | |
| 154 | * | |
| 155 | * Example | |
| 156 | * array( | |
| 157 | * 'name' => 'userlist', | |
| 158 | * 'add' => array( | |
| 159 | * 'quota' => array( | |
| 160 | * 'type' => 'integer', | |
| 161 | * 'unsigned' => 1 | |
| 162 | * ) | |
| 163 | * ), | |
| 164 | * 'remove' => array( | |
| 165 | * 'file_limit' => array(), | |
| 166 | * 'time_limit' => array() | |
| 167 | * ), | |
| 168 | * 'change' => array( | |
| 169 | * 'gender' => array( | |
| 170 | * 'default' => 'M', | |
| 171 | * ) | |
| 172 | * ), | |
| 173 | * 'rename' => array( | |
| 174 | * 'sex' => array( | |
| 175 | * 'name' => 'gender', | |
| 176 | * ) | |
| 177 | * ), | |
| 178 | * ) | |
| 179 | * | |
| 180 | * @param boolean $check indicates whether the function should just check if the DBMS driver | |
| 181 | * can perform the requested table alterations if the value is true or | |
| 182 | * actually perform them otherwise. | |
| 183 | * @access public | |
| 184 | * | |
| 185 | * @return mixed MDB2_OK on success, a MDB2 error on failure | |
| 186 | */ | |
| 187 | function alterTable($name, $changes, $check) | |
| 188 | { | |
| 189 | $db =& $this->getDBInstance(); | |
| 190 | if (PEAR::isError($db)) { | |
| 191 | return $db; | |
| 192 | } | |
| 193 | ||
| 194 | foreach ($changes as $change_name => $change) { | |
| 195 | switch ($change_name) { | |
| 196 | case 'add': | |
| 197 | break; | |
| 198 | case 'remove': | |
| 199 | break; | |
| 200 | case 'name': | |
| 201 | case 'rename': | |
| 202 | case 'change': | |
| 203 | default: | |
| 204 | return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null, | |
| 205 | 'alterTable: change type "'.$change_name.'" not yet supported'); | |
| 206 | } | |
| 207 | } | |
| 208 | ||
| 209 | if ($check) { | |
| 210 | return MDB2_OK; | |
| 211 | } | |
| 212 | ||
| 213 | $query = ''; | |
| 214 | if (array_key_exists('add', $changes)) { | |
| 215 | if ($query) { | |
| 216 | $query.= ', '; | |
| 217 | } | |
| 218 | $query.= 'ADD '; | |
| 219 | foreach ($changes['add'] as $field_name => $field) { | |
| 220 | if ($query) { | |
| 221 | $query.= ', '; | |
| 222 | } | |
| 223 | $query.= $db->getDeclaration($field['type'], $field_name, $field); | |
| 224 | } | |
| 225 | } | |
| 226 | if(array_key_exists('remove', $changes)) { | |
| 227 | if ($query) { | |
| 228 | $query.= ', '; | |
| 229 | } | |
| 230 | $query.= 'DROP COLUMN'; | |
| 231 | foreach ($changes['remove'] as $field_name => $field) { | |
| 232 | if ($query) { | |
| 233 | $query.= ', '; | |
| 234 | } | |
| 235 | $query.= $db->getDeclaration($field['type'], $field_name, $field); | |
| 236 | } | |
| 237 | } | |
| 238 | ||
| 239 | ||
| 240 | if (!$query) { | |
| 241 | return MDB2_OK; | |
| 242 | } | |
| 243 | ||
| 244 | return $db->query("ALTER TABLE $name $query"); | |
| 245 | } | |
| 246 | ||
| 247 | // }}} | |
| 248 | // {{{ listTables() | |
| 249 | ||
| 250 | /** | |
| 251 | * list all tables in the current database | |
| 252 | * | |
| 253 | * @return mixed data array on success, a MDB error on failure | |
| 254 | * @access public | |
| 255 | */ | |
| 256 | function listTables() | |
| 257 | { | |
| 258 | $db =& $this->getDBInstance(); | |
| 259 | ||
| 260 | if (PEAR::isError($db)) { | |
| 261 | return $db; | |
| 262 | } | |
| 263 | ||
| 264 | $query = 'EXEC sp_tables @table_type = "\'TABLE\'"'; | |
| 265 | $table_names = $db->queryCol($query, null, 2); | |
| 266 | if (PEAR::isError($table_names)) { | |
| 267 | return $table_names; | |
| 268 | } | |
| 269 | ||
| 270 | $tables = array(); | |
| 271 | for ($i = 0, $j = count($table_names); $i <$j; ++$i) { | |
| 272 | if (!$this->_isSequenceName($db, $table_names[$i])) { | |
| 273 | $tables[] = $table_names[$i]; | |
| 274 | } | |
| 275 | } | |
| 276 | return $tables; | |
| 277 | } | |
| 278 | ||
| 279 | // }}} | |
| 280 | // {{{ listTableFields() | |
| 281 | ||
| 282 | /** | |
| 283 | * list all fields in a tables in the current database | |
| 284 | * | |
| 285 | * @param string $table name of table that should be used in method | |
| 286 | * @return mixed data array on success, a MDB error on failure | |
| 287 | * @access public | |
| 288 | */ | |
| 289 | function listTableFields($table) | |
| 290 | { | |
| 291 | $db =& $this->getDBInstance(); | |
| 292 | if (PEAR::isError($db)) { | |
| 293 | return $db; | |
| 294 | } | |
| 295 | ||
| 296 | $result = $db->query("SELECT * FROM [$table]"); | |
| 297 | if (PEAR::isError($result)) { | |
| 298 | return $result; | |
| 299 | } | |
| 300 | $columns = $result->getColumnNames(); | |
| 301 | $result->free(); | |
| 302 | if (PEAR::isError($columns)) { | |
| 303 | return $columns; | |
| 304 | } | |
| 305 | return array_flip($columns); | |
| 306 | } | |
| 307 | ||
| 308 | // }}} | |
| 309 | // {{{ listTableIndexes() | |
| 310 | ||
| 311 | /** | |
| 312 | * list all indexes in a table | |
| 313 | * | |
| 314 | * @param string $table name of table that should be used in method | |
| 315 | * @return mixed data array on success, a MDB error on failure | |
| 316 | * @access public | |
| 317 | */ | |
| 318 | function listTableIndexes($table) | |
| 319 | { | |
| 320 | $db =& $this->getDBInstance(); | |
| 321 | if (PEAR::isError($db)) { | |
| 322 | return $db; | |
| 323 | } | |
| 324 | ||
| 325 | $key_name = 'INDEX_NAME'; | |
| 326 | $pk_name = 'PK_NAME'; | |
| 327 | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { | |
| 328 | if ($db->options['field_case'] == CASE_LOWER) { | |
| 329 | $key_name = strtolower($key_name); | |
| 330 | $pk_name = strtolower($pk_name); | |
| 331 | } else { | |
| 332 | $key_name = strtoupper($key_name); | |
| 333 | $pk_name = strtoupper($pk_name); | |
| 334 | } | |
| 335 | } | |
| 336 | $query = "EXEC sp_statistics @table_name='$table'"; | |
| 337 | $indexes_all = $db->queryCol($query, 'text', $key_name); | |
| 338 | if (PEAR::isError($indexes_all)) { | |
| 339 | return $indexes_all; | |
| 340 | } | |
| 341 | $query = "EXEC sp_pkeys @table_name='$table'"; | |
| 342 | $pk_all = $db->queryCol($query, 'text', $pk_name); | |
| 343 | $found = $indexes = array(); | |
| 344 | for ($index = 0, $j = count($indexes_all); $index < $j; ++$index) { | |
| 345 | if (!in_array($indexes_all[$index], $pk_all) | |
| 346 | && $indexes_all[$index] != null | |
| 347 | && !isset($found[$indexes_all[$index]]) | |
| 348 | ) { | |
| 349 | $indexes[] = $indexes_all[$index]; | |
| 350 | $found[$indexes_all[$index]] = 1; | |
| 351 | } | |
| 352 | } | |
| 353 | return $indexes; | |
| 354 | } | |
| 355 | ||
| 356 | // }}} | |
| 357 | // {{{ createSequence() | |
| 358 | ||
| 359 | /** | |
| 360 | * create sequence | |
| 361 | * | |
| 362 | * @param string $seq_name name of the sequence to be created | |
| 363 | * @param string $start start value of the sequence; default is 1 | |
| 364 | * @return mixed MDB2_OK on success, a MDB2 error on failure | |
| 365 | * @access public | |
| 366 | */ | |
| 367 | function createSequence($seq_name, $start = 1) | |
| 368 | { | |
| 369 | ||
| 370 | $db =& $this->getDBInstance(); | |
| 371 | if (PEAR::isError($db)) { | |
| 372 | return $db; | |
| 373 | } | |
| 374 | ||
| 375 | $sequence_name = $db->getSequenceName($seq_name); | |
| 376 | $seqcol_name = $db->options['seqcol_name']; | |
| 377 | $query = "CREATE TABLE $sequence_name ($seqcol_name " . | |
| 378 | "INT PRIMARY KEY CLUSTERED IDENTITY($start,1) NOT NULL)"; | |
| 379 | ||
| 380 | $res = $db->query($query); | |
| 381 | if(PEAR::isError($res)) { | |
| 382 | return $res; | |
| 383 | } | |
| 384 | ||
| 385 | if ($start == 1) { | |
| 386 | return MDB2_OK; | |
| 387 | } | |
| 388 | ||
| 389 | $query = "SET IDENTITY_INSERT $sequence_name ON ". | |
| 390 | "INSERT INTO $sequence_name ($seqcol_name) VALUES ($start)"; | |
| 391 | $res = $db->query($query); | |
| 392 | ||
| 393 | if(!PEAR::isError($res)) { | |
| 394 | return MDB2_OK; | |
| 395 | } | |
| 396 | ||
| 397 | $result = $db->query("DROP TABLE $sequence_name"); | |
| 398 | if(PEAR::isError($result)) { | |
| 399 | return $db->raiseError(MDB2_ERROR, null, null, | |
| 400 | 'createSequence: could not drop inconsistent sequence table ('. | |
| 401 | $result->getMessage().' ('.$result->getUserInfo(). '))'); | |
| 402 | } | |
| 403 | ||
| 404 | return $db->raiseError(MDB2_ERROR, null, null, | |
| 405 | 'createSequence: could not create sequence table ('. | |
| 406 | $res->getMessage(). ' ('.$res->getUserInfo(). '))'); | |
| 407 | } | |
| 408 | ||
| 409 | // }}} | |
| 410 | // {{{ createIndex() | |
| 411 | /** | |
| 412 | * Adds an index to a table. | |
| 413 | * | |
| 414 | * @param string $table The name of the table | |
| 415 | * @param string $name The name of the field | |
| 416 | * @param array $definition The definition of the new field. | |
| 417 | */ | |
| 418 | function createIndex($table, $name, $definition) | |
| 419 | { | |
| 420 | } | |
| 421 | ||
| 422 | // }}} | |
| 423 | // {{{ dropSequence() | |
| 424 | ||
| 425 | /** | |
| 426 | * drop existing sequence | |
| 427 | * | |
| 428 | * @param string $seq_name name of the sequence to be dropped | |
| 429 | * @return mixed MDB2_OK on success, a MDB2 error on failure | |
| 430 | * @access public | |
| 431 | */ | |
| 432 | function dropSequence($seq_name) | |
| 433 | { | |
| 434 | $db =& $this->getDBInstance(); | |
| 435 | if (PEAR::isError($db)) { | |
| 436 | return $db; | |
| 437 | } | |
| 438 | ||
| 439 | $sequence_name = $db->getSequenceName($seq_name); | |
| 440 | return $db->query("DROP TABLE $sequence_name"); | |
| 441 | } | |
| 442 | ||
| 443 | // }}} | |
| 444 | // {{{ listSequences() | |
| 445 | ||
| 446 | /** | |
| 447 | * list all sequences in the current database | |
| 448 | * | |
| 449 | * @return mixed data array on success, a MDB2 error on failure | |
| 450 | * @access public | |
| 451 | */ | |
| 452 | function listSequences() | |
| 453 | { | |
| 454 | $db =& $this->getDBInstance(); | |
| 455 | if (PEAR::isError($db)) { | |
| 456 | return $db; | |
| 457 | } | |
| 458 | ||
| 459 | $query = "SELECT name FROM sysobjects WHERE xtype = 'U'"; | |
| 460 | $table_names = $db->queryCol($query); | |
| 461 | if (PEAR::isError($table_names)) { | |
| 462 | return $table_names; | |
| 463 | } | |
| 464 | $sequences = array(); | |
| 465 | for ($i = 0, $j = count($table_names); $i <$j; ++$i) { | |
| 466 | if ($this->_isSequenceName($db, $table_names[$i])) { | |
| 467 | $sequences[] = $table_names[$i]; | |
| 468 | } | |
| 469 | } | |
| 470 | return $sequences; | |
| 471 | } | |
| 472 | // }}} | |
| 473 | } | |
| 474 | // }}} | |
| 475 | ?> | |
