| 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.com>. |
| 20 | */ |
| 21 | Doctrine::autoload('Doctrine_DataDict'); |
| 22 | /** |
| 23 | * @package Doctrine |
| 24 | * @subpackage DataDict |
| 25 | * @license http://www.opensource.org/licenses/lgpl-license.php LGPL |
| 26 | * @author Konsta Vesterinen <kvesteri@cc.hut.fi> |
| 27 | * @author Lukas Smith <smith@pooteeweet.org> (PEAR MDB2 library) |
| 28 | * @version $Revision: 2963 $ |
| 29 | * @link www.phpdoctrine.com |
| 30 | * @since 1.0 |
| 31 | */ |
| 32 | class Doctrine_DataDict_Mysql extends Doctrine_DataDict |
| 33 | { |
| 34 | protected $keywords = array( |
| 35 | 'ADD', 'ALL', 'ALTER', |
| 36 | 'ANALYZE', 'AND', 'AS', |
| 37 | 'ASC', 'ASENSITIVE', 'BEFORE', |
| 38 | 'BETWEEN', 'BIGINT', 'BINARY', |
| 39 | 'BLOB', 'BOTH', 'BY', |
| 40 | 'CALL', 'CASCADE', 'CASE', |
| 41 | 'CHANGE', 'CHAR', 'CHARACTER', |
| 42 | 'CHECK', 'COLLATE', 'COLUMN', |
| 43 | 'CONDITION', 'CONNECTION', 'CONSTRAINT', |
| 44 | 'CONTINUE', 'CONVERT', 'CREATE', |
| 45 | 'CROSS', 'CURRENT_DATE', 'CURRENT_TIME', |
| 46 | 'CURRENT_TIMESTAMP', 'CURRENT_USER', 'CURSOR', |
| 47 | 'DATABASE', 'DATABASES', 'DAY_HOUR', |
| 48 | 'DAY_MICROSECOND', 'DAY_MINUTE', 'DAY_SECOND', |
| 49 | 'DEC', 'DECIMAL', 'DECLARE', |
| 50 | 'DEFAULT', 'DELAYED', 'DELETE', |
| 51 | 'DESC', 'DESCRIBE', 'DETERMINISTIC', |
| 52 | 'DISTINCT', 'DISTINCTROW', 'DIV', |
| 53 | 'DOUBLE', 'DROP', 'DUAL', |
| 54 | 'EACH', 'ELSE', 'ELSEIF', |
| 55 | 'ENCLOSED', 'ESCAPED', 'EXISTS', |
| 56 | 'EXIT', 'EXPLAIN', 'FALSE', |
| 57 | 'FETCH', 'FLOAT', 'FLOAT4', |
| 58 | 'FLOAT8', 'FOR', 'FORCE', |
| 59 | 'FOREIGN', 'FROM', 'FULLTEXT', |
| 60 | 'GRANT', 'GROUP', 'HAVING', |
| 61 | 'HIGH_PRIORITY', 'HOUR_MICROSECOND', 'HOUR_MINUTE', |
| 62 | 'HOUR_SECOND', 'IF', 'IGNORE', |
| 63 | 'IN', 'INDEX', 'INFILE', |
| 64 | 'INNER', 'INOUT', 'INSENSITIVE', |
| 65 | 'INSERT', 'INT', 'INT1', |
| 66 | 'INT2', 'INT3', 'INT4', |
| 67 | 'INT8', 'INTEGER', 'INTERVAL', |
| 68 | 'INTO', 'IS', 'ITERATE', |
| 69 | 'JOIN', 'KEY', 'KEYS', |
| 70 | 'KILL', 'LEADING', 'LEAVE', |
| 71 | 'LEFT', 'LIKE', 'LIMIT', |
| 72 | 'LINES', 'LOAD', 'LOCALTIME', |
| 73 | 'LOCALTIMESTAMP', 'LOCK', 'LONG', |
| 74 | 'LONGBLOB', 'LONGTEXT', 'LOOP', |
| 75 | 'LOW_PRIORITY', 'MATCH', 'MEDIUMBLOB', |
| 76 | 'MEDIUMINT', 'MEDIUMTEXT', 'MIDDLEINT', |
| 77 | 'MINUTE_MICROSECOND', 'MINUTE_SECOND', 'MOD', |
| 78 | 'MODIFIES', 'NATURAL', 'NOT', |
| 79 | 'NO_WRITE_TO_BINLOG', 'NULL', 'NUMERIC', |
| 80 | 'ON', 'OPTIMIZE', 'OPTION', |
| 81 | 'OPTIONALLY', 'OR', 'ORDER', |
| 82 | 'OUT', 'OUTER', 'OUTFILE', |
| 83 | 'PRECISION', 'PRIMARY', 'PROCEDURE', |
| 84 | 'PURGE', 'RAID0', 'READ', |
| 85 | 'READS', 'REAL', 'REFERENCES', |
| 86 | 'REGEXP', 'RELEASE', 'RENAME', |
| 87 | 'REPEAT', 'REPLACE', 'REQUIRE', |
| 88 | 'RESTRICT', 'RETURN', 'REVOKE', |
| 89 | 'RIGHT', 'RLIKE', 'SCHEMA', |
| 90 | 'SCHEMAS', 'SECOND_MICROSECOND', 'SELECT', |
| 91 | 'SENSITIVE', 'SEPARATOR', 'SET', |
| 92 | 'SHOW', 'SMALLINT', 'SONAME', |
| 93 | 'SPATIAL', 'SPECIFIC', 'SQL', |
| 94 | 'SQLEXCEPTION', 'SQLSTATE', 'SQLWARNING', |
| 95 | 'SQL_BIG_RESULT', 'SQL_CALC_FOUND_ROWS', 'SQL_SMALL_RESULT', |
| 96 | 'SSL', 'STARTING', 'STRAIGHT_JOIN', |
| 97 | 'TABLE', 'TERMINATED', 'THEN', |
| 98 | 'TINYBLOB', 'TINYINT', 'TINYTEXT', |
| 99 | 'TO', 'TRAILING', 'TRIGGER', |
| 100 | 'TRUE', 'UNDO', 'UNION', |
| 101 | 'UNIQUE', 'UNLOCK', 'UNSIGNED', |
| 102 | 'UPDATE', 'USAGE', 'USE', |
| 103 | 'USING', 'UTC_DATE', 'UTC_TIME', |
| 104 | 'UTC_TIMESTAMP', 'VALUES', 'VARBINARY', |
| 105 | 'VARCHAR', 'VARCHARACTER', 'VARYING', |
| 106 | 'WHEN', 'WHERE', 'WHILE', |
| 107 | 'WITH', 'WRITE', 'X509', |
| 108 | 'XOR', 'YEAR_MONTH', 'ZEROFILL' |
| 109 | ); |
| 110 | |
| 111 | /** |
| 112 | * Obtain DBMS specific SQL code portion needed to declare an text type |
| 113 | * field to be used in statements like CREATE TABLE. |
| 114 | * |
| 115 | * @param array $field associative array with the name of the properties |
| 116 | * of the field being declared as array indexes. Currently, the types |
| 117 | * of supported field properties are as follows: |
| 118 | * |
| 119 | * length |
| 120 | * Integer value that determines the maximum length of the text |
| 121 | * field. If this argument is missing the field should be |
| 122 | * declared to have the longest length allowed by the DBMS. |
| 123 | * |
| 124 | * default |
| 125 | * Text value to be used as default for this field. |
| 126 | * |
| 127 | * notnull |
| 128 | * Boolean flag that indicates whether this field is constrained |
| 129 | * to not be set to null. |
| 130 | * |
| 131 | * @return string DBMS specific SQL code portion that should be used to |
| 132 | * declare the specified field. |
| 133 | */ |
| 134 | public function getNativeDeclaration($field) |
| 135 | { |
| 136 | if ( ! isset($field['type'])) { |
| 137 | throw new Doctrine_DataDict_Exception('Missing column type.'); |
| 138 | } |
| 139 | |
| 140 | switch ($field['type']) { |
| 141 | case 'char': |
| 142 | $length = ( ! empty($field['length'])) ? $field['length'] : false; |
| 143 | |
| 144 | return $length ? 'CHAR('.$length.')' : 'CHAR(255)'; |
| 145 | case 'varchar': |
| 146 | case 'array': |
| 147 | case 'object': |
| 148 | case 'string': |
| 149 | case 'gzip': |
| 150 | if ( ! isset($field['length'])) { |
| 151 | if (array_key_exists('default', $field)) { |
| 152 | $field['length'] = $this->conn->varchar_max_length; |
| 153 | } else { |
| 154 | $field['length'] = false; |
| 155 | } |
| 156 | } |
| 157 | |
| 158 | $length = ($field['length'] <= $this->conn->varchar_max_length) ? $field['length'] : false; |
| 159 | $fixed = (isset($field['fixed'])) ? $field['fixed'] : false; |
| 160 | |
| 161 | return $fixed ? ($length ? 'CHAR(' . $length . ')' : 'CHAR(255)') |
| 162 | : ($length ? 'VARCHAR(' . $length . ')' : 'TEXT'); |
| 163 | case 'clob': |
| 164 | if ( ! empty($field['length'])) { |
| 165 | $length = $field['length']; |
| 166 | if ($length <= 255) { |
| 167 | return 'TINYTEXT'; |
| 168 | } elseif ($length <= 65532) { |
| 169 | return 'TEXT'; |
| 170 | } elseif ($length <= 16777215) { |
| 171 | return 'MEDIUMTEXT'; |
| 172 | } |
| 173 | } |
| 174 | return 'LONGTEXT'; |
| 175 | case 'blob': |
| 176 | if ( ! empty($field['length'])) { |
| 177 | $length = $field['length']; |
| 178 | if ($length <= 255) { |
| 179 | return 'TINYBLOB'; |
| 180 | } elseif ($length <= 65532) { |
| 181 | return 'BLOB'; |
| 182 | } elseif ($length <= 16777215) { |
| 183 | return 'MEDIUMBLOB'; |
| 184 | } |
| 185 | } |
| 186 | return 'LONGBLOB'; |
| 187 | case 'enum': |
| 188 | if ($this->conn->getAttribute(Doctrine::ATTR_USE_NATIVE_ENUM)) { |
| 189 | $values = array(); |
| 190 | foreach ($field['values'] as $value) { |
| 191 | $values[] = $this->conn->quote($value, 'varchar'); |
| 192 | } |
| 193 | return 'ENUM('.implode(', ', $values).')'; |
| 194 | } |
| 195 | // fall back to integer |
| 196 | case 'integer': |
| 197 | case 'int': |
| 198 | if ( ! empty($field['length'])) { |
| 199 | $length = $field['length']; |
| 200 | if ($length <= 1) { |
| 201 | return 'TINYINT'; |
| 202 | } elseif ($length == 2) { |
| 203 | return 'SMALLINT'; |
| 204 | } elseif ($length == 3) { |
| 205 | return 'MEDIUMINT'; |
| 206 | } elseif ($length == 4) { |
| 207 | return 'INT'; |
| 208 | } elseif ($length > 4) { |
| 209 | return 'BIGINT'; |
| 210 | } |
| 211 | } |
| 212 | return 'INT'; |
| 213 | case 'boolean': |
| 214 | return 'TINYINT(1)'; |
| 215 | case 'date': |
| 216 | return 'DATE'; |
| 217 | case 'time': |
| 218 | return 'TIME'; |
| 219 | case 'timestamp': |
| 220 | return 'DATETIME'; |
| 221 | case 'float': |
| 222 | case 'double': |
| 223 | return 'DOUBLE'; |
| 224 | case 'decimal': |
| 225 | $length = !empty($field['length']) ? $field['length'] : 18; |
| 226 | $scale = !empty($field['scale']) ? $field['scale'] : $this->conn->getAttribute(Doctrine::ATTR_DECIMAL_PLACES); |
| 227 | return 'DECIMAL('.$length.','.$scale.')'; |
| 228 | } |
| 229 | throw new Doctrine_DataDict_Exception('Unknown field type \'' . $field['type'] . '\'.'); |
| 230 | } |
| 231 | |
| 232 | /** |
| 233 | * Maps a native array description of a field to a MDB2 datatype and length |
| 234 | * |
| 235 | * @param array $field native field description |
| 236 | * @return array containing the various possible types, length, sign, fixed |
| 237 | */ |
| 238 | public function getPortableDeclaration(array $field) |
| 239 | { |
| 240 | $dbType = strtolower($field['type']); |
| 241 | $dbType = strtok($dbType, '(), '); |
| 242 | if ($dbType == 'national') { |
| 243 | $dbType = strtok('(), '); |
| 244 | } |
| 245 | if (isset($field['length'])) { |
| 246 | $length = $field['length']; |
| 247 | $decimal = ''; |
| 248 | } else { |
| 249 | $length = strtok('(), '); |
| 250 | $decimal = strtok('(), '); |
| 251 | } |
| 252 | $type = array(); |
| 253 | $unsigned = $fixed = null; |
| 254 | |
| 255 | if ( ! isset($field['name'])) { |
| 256 | $field['name'] = ''; |
| 257 | } |
| 258 | |
| 259 | $values = null; |
| 260 | |
| 261 | switch ($dbType) { |
| 262 | case 'tinyint': |
| 263 | $type[] = 'integer'; |
| 264 | $type[] = 'boolean'; |
| 265 | if (preg_match('/^(is|has)/', $field['name'])) { |
| 266 | $type = array_reverse($type); |
| 267 | } |
| 268 | $unsigned = preg_match('/ unsigned/i', $field['type']); |
| 269 | $length = 1; |
| 270 | break; |
| 271 | case 'smallint': |
| 272 | $type[] = 'integer'; |
| 273 | $unsigned = preg_match('/ unsigned/i', $field['type']); |
| 274 | $length = 2; |
| 275 | break; |
| 276 | case 'mediumint': |
| 277 | $type[] = 'integer'; |
| 278 | $unsigned = preg_match('/ unsigned/i', $field['type']); |
| 279 | $length = 3; |
| 280 | break; |
| 281 | case 'int': |
| 282 | case 'integer': |
| 283 | $type[] = 'integer'; |
| 284 | $unsigned = preg_match('/ unsigned/i', $field['type']); |
| 285 | $length = 4; |
| 286 | break; |
| 287 | case 'bigint': |
| 288 | $type[] = 'integer'; |
| 289 | $unsigned = preg_match('/ unsigned/i', $field['type']); |
| 290 | $length = 8; |
| 291 | break; |
| 292 | case 'tinytext': |
| 293 | case 'mediumtext': |
| 294 | case 'longtext': |
| 295 | case 'text': |
| 296 | case 'text': |
| 297 | case 'varchar': |
| 298 | $fixed = false; |
| 299 | case 'string': |
| 300 | case 'char': |
| 301 | $type[] = 'string'; |
| 302 | if ($length == '1') { |
| 303 | $type[] = 'boolean'; |
| 304 | if (preg_match('/^(is|has)/', $field['name'])) { |
| 305 | $type = array_reverse($type); |
| 306 | } |
| 307 | } elseif (strstr($dbType, 'text')) { |
| 308 | $type[] = 'clob'; |
| 309 | if ($decimal == 'binary') { |
| 310 | $type[] = 'blob'; |
| 311 | } |
| 312 | } |
| 313 | if ($fixed !== false) { |
| 314 | $fixed = true; |
| 315 | } |
| 316 | break; |
| 317 | case 'enum': |
| 318 | $type[] = 'enum'; |
| 319 | preg_match_all('/\'.+\'/U', $field['type'], $matches); |
| 320 | $length = 0; |
| 321 | $fixed = false; |
| 322 | if (is_array($matches)) { |
| 323 | foreach ($matches[0] as $value) { |
| 324 | $length = max($length, strlen($value)-2); |
| 325 | } |
| 326 | if ($length == '1' && count($matches[0]) == 2) { |
| 327 | $type[] = 'boolean'; |
| 328 | if (preg_match('/^(is|has)/', $field['name'])) { |
| 329 | $type = array_reverse($type); |
| 330 | } |
| 331 | } else { |
| 332 | $values = $matches[0]; |
| 333 | } |
| 334 | } |
| 335 | $type[] = 'integer'; |
| 336 | case 'set': |
| 337 | $fixed = false; |
| 338 | $type[] = 'text'; |
| 339 | $type[] = 'integer'; |
| 340 | break; |
| 341 | case 'date': |
| 342 | $type[] = 'date'; |
| 343 | $length = null; |
| 344 | break; |
| 345 | case 'datetime': |
| 346 | case 'timestamp': |
| 347 | $type[] = 'timestamp'; |
| 348 | $length = null; |
| 349 | break; |
| 350 | case 'time': |
| 351 | $type[] = 'time'; |
| 352 | $length = null; |
| 353 | break; |
| 354 | case 'float': |
| 355 | case 'double': |
| 356 | case 'real': |
| 357 | $type[] = 'float'; |
| 358 | $unsigned = preg_match('/ unsigned/i', $field['type']); |
| 359 | break; |
| 360 | case 'unknown': |
| 361 | case 'decimal': |
| 362 | case 'numeric': |
| 363 | $type[] = 'decimal'; |
| 364 | $unsigned = preg_match('/ unsigned/i', $field['type']); |
| 365 | break; |
| 366 | case 'tinyblob': |
| 367 | case 'mediumblob': |
| 368 | case 'longblob': |
| 369 | case 'blob': |
| 370 | $type[] = 'blob'; |
| 371 | $length = null; |
| 372 | break; |
| 373 | case 'year': |
| 374 | $type[] = 'integer'; |
| 375 | $type[] = 'date'; |
| 376 | $length = null; |
| 377 | break; |
| 378 | default: |
| 379 | throw new Doctrine_DataDict_Exception('unknown database attribute type: ' . $dbType); |
| 380 | } |
| 381 | |
| 382 | $length = ((int) $length == 0) ? null : (int) $length; |
| 383 | |
| 384 | if ($values === null) { |
| 385 | return array('type' => $type, 'length' => $length, 'unsigned' => $unsigned, 'fixed' => $fixed); |
| 386 | } else { |
| 387 | return array('type' => $type, 'length' => $length, 'unsigned' => $unsigned, 'fixed' => $fixed, 'values' => $values); |
| 388 | } |
| 389 | } |
| 390 | |
| 391 | /** |
| 392 | * Obtain DBMS specific SQL code portion needed to set the CHARACTER SET |
| 393 | * of a field declaration to be used in statements like CREATE TABLE. |
| 394 | * |
| 395 | * @param string $charset name of the charset |
| 396 | * @return string DBMS specific SQL code portion needed to set the CHARACTER SET |
| 397 | * of a field declaration. |
| 398 | */ |
| 399 | public function getCharsetFieldDeclaration($charset) |
| 400 | { |
| 401 | return 'CHARACTER SET ' . $charset; |
| 402 | } |
| 403 | |
| 404 | /** |
| 405 | * Obtain DBMS specific SQL code portion needed to set the COLLATION |
| 406 | * of a field declaration to be used in statements like CREATE TABLE. |
| 407 | * |
| 408 | * @param string $collation name of the collation |
| 409 | * @return string DBMS specific SQL code portion needed to set the COLLATION |
| 410 | * of a field declaration. |
| 411 | */ |
| 412 | public function getCollationFieldDeclaration($collation) |
| 413 | { |
| 414 | return 'COLLATE ' . $collation; |
| 415 | } |
| 416 | |
| 417 | /** |
| 418 | * Obtain DBMS specific SQL code portion needed to declare an integer type |
| 419 | * field to be used in statements like CREATE TABLE. |
| 420 | * |
| 421 | * @param string $name name the field to be declared. |
| 422 | * @param string $field associative array with the name of the properties |
| 423 | * of the field being declared as array indexes. |
| 424 | * Currently, the types of supported field |
| 425 | * properties are as follows: |
| 426 | * |
| 427 | * unsigned |
| 428 | * Boolean flag that indicates whether the field |
| 429 | * should be declared as unsigned integer if |
| 430 | * possible. |
| 431 | * |
| 432 | * default |
| 433 | * Integer value to be used as default for this |
| 434 | * field. |
| 435 | * |
| 436 | * notnull |
| 437 | * Boolean flag that indicates whether this field is |
| 438 | * constrained to not be set to null. |
| 439 | * @return string DBMS specific SQL code portion that should be used to |
| 440 | * declare the specified field. |
| 441 | */ |
| 442 | public function getIntegerDeclaration($name, $field) |
| 443 | { |
| 444 | $default = $autoinc = ''; |
| 445 | if ( ! empty($field['autoincrement'])) { |
| 446 | $autoinc = ' AUTO_INCREMENT'; |
| 447 | } elseif (array_key_exists('default', $field)) { |
| 448 | if ($field['default'] === '') { |
| 449 | $field['default'] = empty($field['notnull']) ? null : 0; |
| 450 | } |
| 451 | $default = ' DEFAULT '.$this->conn->quote($field['default']); |
| 452 | } |
| 453 | /** |
| 454 | elseif (empty($field['notnull'])) { |
| 455 | $default = ' DEFAULT NULL'; |
| 456 | } |
| 457 | */ |
| 458 | |
| 459 | $notnull = (isset($field['notnull']) && $field['notnull']) ? ' NOT NULL' : ''; |
| 460 | $unsigned = (isset($field['unsigned']) && $field['unsigned']) ? ' UNSIGNED' : ''; |
| 461 | |
| 462 | $name = $this->conn->quoteIdentifier($name, true); |
| 463 | |
| 464 | return $name . ' ' . $this->getNativeDeclaration($field) . $unsigned . $default . $notnull . $autoinc; |
| 465 | } |
| 466 | } |