| 1 | <?php |
| 2 | /* |
| 3 | * $Id: Mysql.php 2963 2007-10-21 06:23:59Z Jonathan.Wage $ |
| 4 | * |
| 5 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 6 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 7 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 8 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 9 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 10 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 11 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 12 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 13 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 14 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 15 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 16 | * |
| 17 | * This software consists of voluntary contributions made by many individuals |
| 18 | * and is licensed under the LGPL. For more information, see |
| 19 | * <http://www.phpdoctrine.org>. |
| 20 | */ |
| 21 | Doctrine::autoload('Doctrine_Export'); |
| 22 | /** |
| 23 | * Doctrine_Export_Mysql |
| 24 | * |
| 25 | * @package Doctrine |
| 26 | * @subpackage Export |
| 27 | * @author Konsta Vesterinen <kvesteri@cc.hut.fi> |
| 28 | * @author Lukas Smith <smith@pooteeweet.org> (PEAR MDB2 library) |
| 29 | * @license http://www.opensource.org/licenses/lgpl-license.php LGPL |
| 30 | * @link www.phpdoctrine.org |
| 31 | * @since 1.0 |
| 32 | * @version $Revision: 2963 $ |
| 33 | */ |
| 34 | class Doctrine_Export_Mysql extends Doctrine_Export |
| 35 | { |
| 36 | /** |
| 37 | * create a new database |
| 38 | * |
| 39 | * @param string $name name of the database that should be created |
| 40 | * @return string |
| 41 | */ |
| 42 | public function createDatabaseSql($name) |
| 43 | { |
| 44 | return 'CREATE DATABASE ' . $this->conn->quoteIdentifier($name, true); |
| 45 | } |
| 46 | |
| 47 | /** |
| 48 | * drop an existing database |
| 49 | * |
| 50 | * @param string $name name of the database that should be dropped |
| 51 | * @return string |
| 52 | */ |
| 53 | public function dropDatabaseSql($name) |
| 54 | { |
| 55 | return 'DROP DATABASE ' . $this->conn->quoteIdentifier($name); |
| 56 | } |
| 57 | |
| 58 | /** |
| 59 | * create a new table |
| 60 | * |
| 61 | * @param string $name Name of the database that should be created |
| 62 | * @param array $fields Associative array that contains the definition of each field of the new table |
| 63 | * The indexes of the array entries are the names of the fields of the table an |
| 64 | * the array entry values are associative arrays like those that are meant to be |
| 65 | * passed with the field definitions to get[Type]Declaration() functions. |
| 66 | * array( |
| 67 | * 'id' => array( |
| 68 | * 'type' => 'integer', |
| 69 | * 'unsigned' => 1 |
| 70 | * 'notnull' => 1 |
| 71 | * 'default' => 0 |
| 72 | * ), |
| 73 | * 'name' => array( |
| 74 | * 'type' => 'text', |
| 75 | * 'length' => 12 |
| 76 | * ), |
| 77 | * 'password' => array( |
| 78 | * 'type' => 'text', |
| 79 | * 'length' => 12 |
| 80 | * ) |
| 81 | * ); |
| 82 | * @param array $options An associative array of table options: |
| 83 | * array( |
| 84 | * 'comment' => 'Foo', |
| 85 | * 'charset' => 'utf8', |
| 86 | * 'collate' => 'utf8_unicode_ci', |
| 87 | * 'type' => 'innodb', |
| 88 | * ); |
| 89 | * |
| 90 | * @return void |
| 91 | */ |
| 92 | public function createTableSql($name, array $fields, array $options = array()) |
| 93 | { |
| 94 | if ( ! $name) |
| 95 | throw new Doctrine_Export_Exception('no valid table name specified'); |
| 96 | |
| 97 | if (empty($fields)) { |
| 98 | throw new Doctrine_Export_Exception('no fields specified for table "'.$name.'"'); |
| 99 | } |
| 100 | $queryFields = $this->getFieldDeclarationList($fields); |
| 101 | |
| 102 | // build indexes for all foreign key fields (needed in MySQL!!) |
| 103 | if (isset($options['foreignKeys'])) { |
| 104 | foreach ($options['foreignKeys'] as $fk) { |
| 105 | $local = $fk['local']; |
| 106 | $found = false; |
| 107 | if (isset($options['indexes'])) { |
| 108 | foreach ($options['indexes'] as $definition) { |
| 109 | if (is_string($definition['fields'])) { |
| 110 | // Check if index already exists on the column |
| 111 | $found = ($local == $definition['fields']); |
| 112 | } else if (in_array($local, $definition['fields']) && count($definition['fields']) === 1) { |
| 113 | // Index already exists on the column |
| 114 | $found = true; |
| 115 | } |
| 116 | } |
| 117 | } |
| 118 | if (isset($options['primary']) && !empty($options['primary']) && |
| 119 | in_array($local, $options['primary'])) { |
| 120 | // field is part of the PK and therefore already indexed |
| 121 | $found = true; |
| 122 | } |
| 123 | |
| 124 | if ( ! $found) { |
| 125 | $options['indexes'][$local] = array('fields' => array($local => array())); |
| 126 | } |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | // add all indexes |
| 131 | if (isset($options['indexes']) && ! empty($options['indexes'])) { |
| 132 | foreach($options['indexes'] as $index => $definition) { |
| 133 | $queryFields .= ', ' . $this->getIndexDeclaration($index, $definition); |
| 134 | } |
| 135 | } |
| 136 | |
| 137 | // attach all primary keys |
| 138 | if (isset($options['primary']) && ! empty($options['primary'])) { |
| 139 | $keyColumns = array_values($options['primary']); |
| 140 | $keyColumns = array_map(array($this->conn, 'quoteIdentifier'), $keyColumns); |
| 141 | $queryFields .= ', PRIMARY KEY(' . implode(', ', $keyColumns) . ')'; |
| 142 | } |
| 143 | |
| 144 | $query = 'CREATE TABLE ' . $this->conn->quoteIdentifier($name, true) . ' (' . $queryFields . ')'; |
| 145 | |
| 146 | $optionStrings = array(); |
| 147 | |
| 148 | if (isset($options['comment'])) { |
| 149 | $optionStrings['comment'] = 'COMMENT = ' . $this->dbh->quote($options['comment'], 'text'); |
| 150 | } |
| 151 | if (isset($options['charset'])) { |
| 152 | $optionStrings['charset'] = 'DEFAULT CHARACTER SET ' . $options['charset']; |
| 153 | if (isset($options['collate'])) { |
| 154 | $optionStrings['charset'] .= ' COLLATE ' . $options['collate']; |
| 155 | } |
| 156 | } |
| 157 | |
| 158 | $type = false; |
| 159 | |
| 160 | // get the type of the table |
| 161 | if (isset($options['type'])) { |
| 162 | $type = $options['type']; |
| 163 | } else { |
| 164 | $type = $this->conn->getAttribute(Doctrine::ATTR_DEFAULT_TABLE_TYPE); |
| 165 | } |
| 166 | |
| 167 | if ($type) { |
| 168 | $optionStrings[] = 'ENGINE = ' . $type; |
| 169 | } |
| 170 | |
| 171 | if ( ! empty($optionStrings)) { |
| 172 | $query.= ' '.implode(' ', $optionStrings); |
| 173 | } |
| 174 | $sql[] = $query; |
| 175 | |
| 176 | if (isset($options['foreignKeys'])) { |
| 177 | |
| 178 | foreach ((array) $options['foreignKeys'] as $k => $definition) { |
| 179 | if (is_array($definition)) { |
| 180 | $sql[] = $this->createForeignKeySql($name, $definition); |
| 181 | } |
| 182 | } |
| 183 | } |
| 184 | return $sql; |
| 185 | } |
| 186 | |
| 187 | /** |
| 188 | * alter an existing table |
| 189 | * |
| 190 | * @param string $name name of the table that is intended to be changed. |
| 191 | * @param array $changes associative array that contains the details of each type |
| 192 | * of change that is intended to be performed. The types of |
| 193 | * changes that are currently supported are defined as follows: |
| 194 | * |
| 195 | * name |
| 196 | * |
| 197 | * New name for the table. |
| 198 | * |
| 199 | * add |
| 200 | * |
| 201 | * Associative array with the names of fields to be added as |
| 202 | * indexes of the array. The value of each entry of the array |
| 203 | * should be set to another associative array with the properties |
| 204 | * of the fields to be added. The properties of the fields should |
| 205 | * be the same as defined by the Metabase parser. |
| 206 | * |
| 207 | * |
| 208 | * remove |
| 209 | * |
| 210 | * Associative array with the names of fields to be removed as indexes |
| 211 | * of the array. Currently the values assigned to each entry are ignored. |
| 212 | * An empty array should be used for future compatibility. |
| 213 | * |
| 214 | * rename |
| 215 | * |
| 216 | * Associative array with the names of fields to be renamed as indexes |
| 217 | * of the array. The value of each entry of the array should be set to |
| 218 | * another associative array with the entry named name with the new |
| 219 | * field name and the entry named Declaration that is expected to contain |
| 220 | * the portion of the field declaration already in DBMS specific SQL code |
| 221 | * as it is used in the CREATE TABLE statement. |
| 222 | * |
| 223 | * change |
| 224 | * |
| 225 | * Associative array with the names of the fields to be changed as indexes |
| 226 | * of the array. Keep in mind that if it is intended to change either the |
| 227 | * name of a field and any other properties, the change array entries |
| 228 | * should have the new names of the fields as array indexes. |
| 229 | * |
| 230 | * The value of each entry of the array should be set to another associative |
| 231 | * array with the properties of the fields to that are meant to be changed as |
| 232 | * array entries. These entries should be assigned to the new values of the |
| 233 | * respective properties. The properties of the fields should be the same |
| 234 | * as defined by the Metabase parser. |
| 235 | * |
| 236 | * Example |
| 237 | * array( |
| 238 | * 'name' => 'userlist', |
| 239 | * 'add' => array( |
| 240 | * 'quota' => array( |
| 241 | * 'type' => 'integer', |
| 242 | * 'unsigned' => 1 |
| 243 | * ) |
| 244 | * ), |
| 245 | * 'remove' => array( |
| 246 | * 'file_limit' => array(), |
| 247 | * 'time_limit' => array() |
| 248 | * ), |
| 249 | * 'change' => array( |
| 250 | * 'name' => array( |
| 251 | * 'length' => '20', |
| 252 | * 'definition' => array( |
| 253 | * 'type' => 'text', |
| 254 | * 'length' => 20, |
| 255 | * ), |
| 256 | * ) |
| 257 | * ), |
| 258 | * 'rename' => array( |
| 259 | * 'sex' => array( |
| 260 | * 'name' => 'gender', |
| 261 | * 'definition' => array( |
| 262 | * 'type' => 'text', |
| 263 | * 'length' => 1, |
| 264 | * 'default' => 'M', |
| 265 | * ), |
| 266 | * ) |
| 267 | * ) |
| 268 | * ) |
| 269 | * |
| 270 | * @param boolean $check indicates whether the function should just check if the DBMS driver |
| 271 | * can perform the requested table alterations if the value is true or |
| 272 | * actually perform them otherwise. |
| 273 | * @return boolean |
| 274 | */ |
| 275 | public function alterTableSql($name, array $changes, $check = false) |
| 276 | { |
| 277 | if ( ! $name) { |
| 278 | throw new Doctrine_Export_Exception('no valid table name specified'); |
| 279 | } |
| 280 | foreach ($changes as $changeName => $change) { |
| 281 | switch ($changeName) { |
| 282 | case 'add': |
| 283 | case 'remove': |
| 284 | case 'change': |
| 285 | case 'rename': |
| 286 | case 'name': |
| 287 | break; |
| 288 | default: |
| 289 | throw new Doctrine_Export_Exception('change type "' . $changeName . '" not yet supported'); |
| 290 | } |
| 291 | } |
| 292 | |
| 293 | if ($check) { |
| 294 | return true; |
| 295 | } |
| 296 | |
| 297 | $query = ''; |
| 298 | if ( ! empty($changes['name'])) { |
| 299 | $change_name = $this->conn->quoteIdentifier($changes['name']); |
| 300 | $query .= 'RENAME TO ' . $change_name; |
| 301 | } |
| 302 | |
| 303 | if ( ! empty($changes['add']) && is_array($changes['add'])) { |
| 304 | foreach ($changes['add'] as $fieldName => $field) { |
| 305 | if ($query) { |
| 306 | $query.= ', '; |
| 307 | } |
| 308 | $query.= 'ADD ' . $this->getDeclaration($fieldName, $field); |
| 309 | } |
| 310 | } |
| 311 | |
| 312 | if ( ! empty($changes['remove']) && is_array($changes['remove'])) { |
| 313 | foreach ($changes['remove'] as $fieldName => $field) { |
| 314 | if ($query) { |
| 315 | $query .= ', '; |
| 316 | } |
| 317 | $fieldName = $this->conn->quoteIdentifier($fieldName); |
| 318 | $query .= 'DROP ' . $fieldName; |
| 319 | } |
| 320 | } |
| 321 | |
| 322 | $rename = array(); |
| 323 | if ( ! empty($changes['rename']) && is_array($changes['rename'])) { |
| 324 | foreach ($changes['rename'] as $fieldName => $field) { |
| 325 | $rename[$field['name']] = $fieldName; |
| 326 | } |
| 327 | } |
| 328 | |
| 329 | if ( ! empty($changes['change']) && is_array($changes['change'])) { |
| 330 | foreach ($changes['change'] as $fieldName => $field) { |
| 331 | if ($query) { |
| 332 | $query.= ', '; |
| 333 | } |
| 334 | if (isset($rename[$fieldName])) { |
| 335 | $oldFieldName = $rename[$fieldName]; |
| 336 | unset($rename[$fieldName]); |
| 337 | } else { |
| 338 | $oldFieldName = $fieldName; |
| 339 | } |
| 340 | $oldFieldName = $this->conn->quoteIdentifier($oldFieldName, true); |
| 341 | $query .= 'CHANGE ' . $oldFieldName . ' ' |
| 342 | . $this->getDeclaration($fieldName, $field['definition']); |
| 343 | } |
| 344 | } |
| 345 | |
| 346 | if ( ! empty($rename) && is_array($rename)) { |
| 347 | foreach ($rename as $renameName => $renamedField) { |
| 348 | if ($query) { |
| 349 | $query.= ', '; |
| 350 | } |
| 351 | $field = $changes['rename'][$renamedField]; |
| 352 | $renamedField = $this->conn->quoteIdentifier($renamedField, true); |
| 353 | $query .= 'CHANGE ' . $renamedField . ' ' |
| 354 | . $this->getDeclaration($field['name'], $field['definition']); |
| 355 | } |
| 356 | } |
| 357 | |
| 358 | if ( ! $query) { |
| 359 | return false; |
| 360 | } |
| 361 | |
| 362 | $name = $this->conn->quoteIdentifier($name, true); |
| 363 | |
| 364 | return 'ALTER TABLE ' . $name . ' ' . $query; |
| 365 | } |
| 366 | |
| 367 | /** |
| 368 | * create sequence |
| 369 | * |
| 370 | * @param string $sequenceName name of the sequence to be created |
| 371 | * @param string $start start value of the sequence; default is 1 |
| 372 | * @param array $options An associative array of table options: |
| 373 | * array( |
| 374 | * 'comment' => 'Foo', |
| 375 | * 'charset' => 'utf8', |
| 376 | * 'collate' => 'utf8_unicode_ci', |
| 377 | * 'type' => 'innodb', |
| 378 | * ); |
| 379 | * @return boolean |
| 380 | */ |
| 381 | public function createSequence($sequenceName, $start = 1, array $options = array()) |
| 382 | { |
| 383 | $sequenceName = $this->conn->quoteIdentifier($this->conn->getSequenceName($sequenceName), true); |
| 384 | $seqcolName = $this->conn->quoteIdentifier($this->conn->getAttribute(Doctrine::ATTR_SEQCOL_NAME), true); |
| 385 | |
| 386 | $optionsStrings = array(); |
| 387 | |
| 388 | if (isset($options['comment']) && ! empty($options['comment'])) { |
| 389 | $optionsStrings['comment'] = 'COMMENT = ' . $this->conn->quote($options['comment'], 'string'); |
| 390 | } |
| 391 | |
| 392 | if (isset($options['charset']) && ! empty($options['charset'])) { |
| 393 | $optionsStrings['charset'] = 'DEFAULT CHARACTER SET ' . $options['charset']; |
| 394 | |
| 395 | if (isset($options['collate'])) { |
| 396 | $optionsStrings['collate'] .= ' COLLATE ' . $options['collate']; |
| 397 | } |
| 398 | } |
| 399 | |
| 400 | $type = false; |
| 401 | |
| 402 | if (isset($options['type'])) { |
| 403 | $type = $options['type']; |
| 404 | } else { |
| 405 | $type = $this->conn->default_table_type; |
| 406 | } |
| 407 | if ($type) { |
| 408 | $optionsStrings[] = 'ENGINE = ' . $type; |
| 409 | } |
| 410 | |
| 411 | |
| 412 | try { |
| 413 | $query = 'CREATE TABLE ' . $sequenceName |
| 414 | . ' (' . $seqcolName . ' INT NOT NULL AUTO_INCREMENT, PRIMARY KEY (' |
| 415 | . $seqcolName . '))' |
| 416 | . strlen($this->conn->default_table_type) ? ' TYPE = ' |
| 417 | . $this->conn->default_table_type : ''; |
| 418 | |
| 419 | $res = $this->conn->exec($query); |
| 420 | } catch(Doctrine_Connection_Exception $e) { |
| 421 | throw new Doctrine_Export_Exception('could not create sequence table'); |
| 422 | } |
| 423 | |
| 424 | if ($start == 1) |
| 425 | return true; |
| 426 | |
| 427 | $query = 'INSERT INTO ' . $sequenceName |
| 428 | . ' (' . $seqcolName . ') VALUES (' . ($start - 1) . ')'; |
| 429 | |
| 430 | $res = $this->conn->exec($query); |
| 431 | |
| 432 | // Handle error |
| 433 | try { |
| 434 | $result = $this->conn->exec('DROP TABLE ' . $sequenceName); |
| 435 | } catch(Doctrine_Connection_Exception $e) { |
| 436 | throw new Doctrine_Export_Exception('could not drop inconsistent sequence table'); |
| 437 | } |
| 438 | |
| 439 | |
| 440 | } |
| 441 | |
| 442 | /** |
| 443 | * Get the stucture of a field into an array |
| 444 | * |
| 445 | * @author Leoncx |
| 446 | * @param string $table name of the table on which the index is to be created |
| 447 | * @param string $name name of the index to be created |
| 448 | * @param array $definition associative array that defines properties of the index to be created. |
| 449 | * Currently, only one property named FIELDS is supported. This property |
| 450 | * is also an associative with the names of the index fields as array |
| 451 | * indexes. Each entry of this array is set to another type of associative |
| 452 | * array that specifies properties of the index that are specific to |
| 453 | * each field. |
| 454 | * |
| 455 | * Currently, only the sorting property is supported. It should be used |
| 456 | * to define the sorting direction of the index. It may be set to either |
| 457 | * ascending or descending. |
| 458 | * |
| 459 | * Not all DBMS support index sorting direction configuration. The DBMS |
| 460 | * drivers of those that do not support it ignore this property. Use the |
| 461 | * function supports() to determine whether the DBMS driver can manage indexes. |
| 462 | * |
| 463 | * Example |
| 464 | * array( |
| 465 | * 'fields' => array( |
| 466 | * 'user_name' => array( |
| 467 | * 'sorting' => 'ASC' |
| 468 | * 'length' => 10 |
| 469 | * ), |
| 470 | * 'last_login' => array() |
| 471 | * ) |
| 472 | * ) |
| 473 | * @throws PDOException |
| 474 | * @return void |
| 475 | */ |
| 476 | public function createIndexSql($table, $name, array $definition) |
| 477 | { |
| 478 | $table = $table; |
| 479 | $name = $this->conn->formatter->getIndexName($name); |
| 480 | $name = $this->conn->quoteIdentifier($name); |
| 481 | $type = ''; |
| 482 | if (isset($definition['type'])) { |
| 483 | switch (strtolower($definition['type'])) { |
| 484 | case 'fulltext': |
| 485 | case 'unique': |
| 486 | $type = strtoupper($definition['type']) . ' '; |
| 487 | break; |
| 488 | default: |
| 489 | throw new Doctrine_Export_Exception('Unknown index type ' . $definition['type']); |
| 490 | } |
| 491 | } |
| 492 | $query = 'CREATE ' . $type . 'INDEX ' . $name . ' ON ' . $table; |
| 493 | $query .= ' (' . $this->getIndexFieldDeclarationList($definition['fields']) . ')'; |
| 494 | |
| 495 | return $query; |
| 496 | } |
| 497 | |
| 498 | /** |
| 499 | * getDefaultDeclaration |
| 500 | * Obtain DBMS specific SQL code portion needed to set a default value |
| 501 | * declaration to be used in statements like CREATE TABLE. |
| 502 | * |
| 503 | * @param array $field field definition array |
| 504 | * @return string DBMS specific SQL code portion needed to set a default value |
| 505 | */ |
| 506 | public function getDefaultFieldDeclaration($field) |
| 507 | { |
| 508 | $default = ''; |
| 509 | if (isset($field['default']) && ( ! isset($field['length']) || $field['length'] <= 255)) { |
| 510 | if ($field['default'] === '') { |
| 511 | $field['default'] = empty($field['notnull']) |
| 512 | ? null : $this->valid_default_values[$field['type']]; |
| 513 | |
| 514 | if ($field['default'] === '' |
| 515 | && ($this->conn->getAttribute(Doctrine::ATTR_PORTABILITY) & Doctrine::PORTABILITY_EMPTY_TO_NULL) |
| 516 | ) { |
| 517 | $field['default'] = ' '; |
| 518 | } |
| 519 | } |
| 520 | |
| 521 | $default = ' DEFAULT ' . $this->conn->quote($field['default'], $field['type']); |
| 522 | } |
| 523 | return $default; |
| 524 | } |
| 525 | |
| 526 | /** |
| 527 | * Obtain DBMS specific SQL code portion needed to set an index |
| 528 | * declaration to be used in statements like CREATE TABLE. |
| 529 | * |
| 530 | * @param string $charset name of the index |
| 531 | * @param array $definition index definition |
| 532 | * @return string DBMS specific SQL code portion needed to set an index |
| 533 | */ |
| 534 | public function getIndexDeclaration($name, array $definition) |
| 535 | { |
| 536 | $name = $this->conn->formatter->getIndexName($name); |
| 537 | $type = ''; |
| 538 | if (isset($definition['type'])) { |
| 539 | switch (strtolower($definition['type'])) { |
| 540 | case 'fulltext': |
| 541 | case 'unique': |
| 542 | $type = strtoupper($definition['type']) . ' '; |
| 543 | break; |
| 544 | default: |
| 545 | throw new Doctrine_Export_Exception('Unknown index type ' . $definition['type']); |
| 546 | } |
| 547 | } |
| 548 | |
| 549 | if ( ! isset($definition['fields'])) { |
| 550 | throw new Doctrine_Export_Exception('No index columns given.'); |
| 551 | } |
| 552 | if ( ! is_array($definition['fields'])) { |
| 553 | $definition['fields'] = array($definition['fields']); |
| 554 | } |
| 555 | |
| 556 | $query = $type . 'INDEX ' . $this->conn->quoteIdentifier($name); |
| 557 | |
| 558 | $query .= ' (' . $this->getIndexFieldDeclarationList($definition['fields']) . ')'; |
| 559 | |
| 560 | return $query; |
| 561 | } |
| 562 | |
| 563 | /** |
| 564 | * getIndexFieldDeclarationList |
| 565 | * Obtain DBMS specific SQL code portion needed to set an index |
| 566 | * declaration to be used in statements like CREATE TABLE. |
| 567 | * |
| 568 | * @return string |
| 569 | */ |
| 570 | public function getIndexFieldDeclarationList(array $fields) |
| 571 | { |
| 572 | $declFields = array(); |
| 573 | |
| 574 | foreach ($fields as $fieldName => $field) { |
| 575 | $fieldString = $this->conn->quoteIdentifier($fieldName); |
| 576 | |
| 577 | if (is_array($field)) { |
| 578 | if (isset($field['length'])) { |
| 579 | $fieldString .= '(' . $field['length'] . ')'; |
| 580 | } |
| 581 | |
| 582 | if (isset($field['sorting'])) { |
| 583 | $sort = strtoupper($field['sorting']); |
| 584 | switch ($sort) { |
| 585 | case 'ASC': |
| 586 | case 'DESC': |
| 587 | $fieldString .= ' ' . $sort; |
| 588 | break; |
| 589 | default: |
| 590 | throw new Doctrine_Export_Exception('Unknown index sorting option given.'); |
| 591 | } |
| 592 | } |
| 593 | } else { |
| 594 | $fieldString = $this->conn->quoteIdentifier($field); |
| 595 | } |
| 596 | $declFields[] = $fieldString; |
| 597 | } |
| 598 | return implode(', ', $declFields); |
| 599 | } |
| 600 | |
| 601 | /** |
| 602 | * getAdvancedForeignKeyOptions |
| 603 | * Return the FOREIGN KEY query section dealing with non-standard options |
| 604 | * as MATCH, INITIALLY DEFERRED, ON UPDATE, ... |
| 605 | * |
| 606 | * @param array $definition |
| 607 | * @return string |
| 608 | */ |
| 609 | public function getAdvancedForeignKeyOptions(array $definition) |
| 610 | { |
| 611 | $query = ''; |
| 612 | if ( ! empty($definition['match'])) { |
| 613 | $query .= ' MATCH ' . $definition['match']; |
| 614 | } |
| 615 | if ( ! empty($definition['onUpdate'])) { |
| 616 | $query .= ' ON UPDATE ' . $this->getForeignKeyReferentialAction($definition['onUpdate']); |
| 617 | } |
| 618 | if ( ! empty($definition['onDelete'])) { |
| 619 | $query .= ' ON DELETE ' . $this->getForeignKeyReferentialAction($definition['onDelete']); |
| 620 | } |
| 621 | return $query; |
| 622 | } |
| 623 | |
| 624 | /** |
| 625 | * drop existing index |
| 626 | * |
| 627 | * @param string $table name of table that should be used in method |
| 628 | * @param string $name name of the index to be dropped |
| 629 | * @return void |
| 630 | */ |
| 631 | public function dropIndexSql($table, $name) |
| 632 | { |
| 633 | $table = $this->conn->quoteIdentifier($table, true); |
| 634 | $name = $this->conn->quoteIdentifier($this->conn->formatter->getIndexName($name), true); |
| 635 | return 'DROP INDEX ' . $name . ' ON ' . $table; |
| 636 | } |
| 637 | |
| 638 | /** |
| 639 | * dropTable |
| 640 | * |
| 641 | * @param string $table name of table that should be dropped from the database |
| 642 | * @throws PDOException |
| 643 | * @return void |
| 644 | */ |
| 645 | public function dropTableSql($table) |
| 646 | { |
| 647 | $table = $this->conn->quoteIdentifier($table, true); |
| 648 | return 'DROP TABLE ' . $table; |
| 649 | } |
| 650 | |
| 651 | public function dropForeignKey($table, $name) |
| 652 | { |
| 653 | $table = $this->conn->quoteIdentifier($table); |
| 654 | $name = $this->conn->quoteIdentifier($name); |
| 655 | return $this->conn->exec('ALTER TABLE ' . $table . ' DROP FOREIGN KEY ' . $name); |
| 656 | } |
| 657 | } |