cake/libs/model/cake_schema.php
| 1 | <?php |
|---|---|
| 2 | /** |
| 3 | * Schema database management for CakePHP. |
| 4 | * |
| 5 | * PHP versions 4 and 5 |
| 6 | * |
| 7 | * CakePHP(tm) : Rapid Development Framework (http://cakephp.org) |
| 8 | * Copyright 2005-2011, Cake Software Foundation, Inc. (http://cakefoundation.org) |
| 9 | * |
| 10 | * Licensed under The MIT License |
| 11 | * Redistributions of files must retain the above copyright notice. |
| 12 | * |
| 13 | * @copyright Copyright 2005-2011, Cake Software Foundation, Inc. (http://cakefoundation.org) |
| 14 | * @link http://cakephp.org CakePHP(tm) Project |
| 15 | * @package cake |
| 16 | * @subpackage cake.cake.libs.model |
| 17 | * @since CakePHP(tm) v 1.2.0.5550 |
| 18 | * @license MIT License (http://www.opensource.org/licenses/mit-license.php) |
| 19 | */ |
| 20 | App::import('Core', array('Model', 'ConnectionManager')); |
| 21 | |
| 22 | /** |
| 23 | * Base Class for Schema management |
| 24 | * |
| 25 | * @package cake |
| 26 | * @subpackage cake.cake.libs.model |
| 27 | */ |
| 28 | class CakeSchema extends Object { |
| 29 | |
| 30 | /** |
| 31 | * Name of the App Schema |
| 32 | * |
| 33 | * @var string |
| 34 | * @access public |
| 35 | */ |
| 36 | var $name = null; |
| 37 | |
| 38 | /** |
| 39 | * Path to write location |
| 40 | * |
| 41 | * @var string |
| 42 | * @access public |
| 43 | */ |
| 44 | var $path = null; |
| 45 | |
| 46 | /** |
| 47 | * File to write |
| 48 | * |
| 49 | * @var string |
| 50 | * @access public |
| 51 | */ |
| 52 | var $file = 'schema.php'; |
| 53 | |
| 54 | /** |
| 55 | * Connection used for read |
| 56 | * |
| 57 | * @var string |
| 58 | * @access public |
| 59 | */ |
| 60 | var $connection = 'default'; |
| 61 | |
| 62 | /** |
| 63 | * plugin name. |
| 64 | * |
| 65 | * @var string |
| 66 | */ |
| 67 | var $plugin = null; |
| 68 | |
| 69 | /** |
| 70 | * Set of tables |
| 71 | * |
| 72 | * @var array |
| 73 | * @access public |
| 74 | */ |
| 75 | var $tables = array(); |
| 76 | |
| 77 | /** |
| 78 | * Constructor |
| 79 | * |
| 80 | * @param array $options optional load object properties |
| 81 | */ |
| 82 | function __construct($options = array()) { |
| 83 | parent::__construct(); |
| 84 | |
| 85 | if (empty($options['name'])) { |
| 86 | $this->name = preg_replace('/schema$/i', '', get_class($this)); |
| 87 | } |
| 88 | if (!empty($options['plugin'])) { |
| 89 | $this->plugin = $options['plugin']; |
| 90 | } |
| 91 | |
| 92 | if (strtolower($this->name) === 'cake') { |
| 93 | $this->name = Inflector::camelize(Inflector::slug(Configure::read('App.dir'))); |
| 94 | } |
| 95 | |
| 96 | if (empty($options['path'])) { |
| 97 | if (is_dir(CONFIGS . 'schema')) { |
| 98 | $this->path = CONFIGS . 'schema'; |
| 99 | } else { |
| 100 | $this->path = CONFIGS . 'sql'; |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | $options = array_merge(get_object_vars($this), $options); |
| 105 | $this->_build($options); |
| 106 | } |
| 107 | |
| 108 | /** |
| 109 | * Builds schema object properties |
| 110 | * |
| 111 | * @param array $data loaded object properties |
| 112 | * @return void |
| 113 | * @access protected |
| 114 | */ |
| 115 | function _build($data) { |
| 116 | $file = null; |
| 117 | foreach ($data as $key => $val) { |
| 118 | if (!empty($val)) { |
| 119 | if (!in_array($key, array('plugin', 'name', 'path', 'file', 'connection', 'tables', '_log'))) { |
| 120 | $this->tables[$key] = $val; |
| 121 | unset($this->{$key}); |
| 122 | } elseif ($key !== 'tables') { |
| 123 | if ($key === 'name' && $val !== $this->name && !isset($data['file'])) { |
| 124 | $file = Inflector::underscore($val) . '.php'; |
| 125 | } |
| 126 | $this->{$key} = $val; |
| 127 | } |
| 128 | } |
| 129 | } |
| 130 | if (file_exists($this->path . DS . $file) && is_file($this->path . DS . $file)) { |
| 131 | $this->file = $file; |
| 132 | } elseif (!empty($this->plugin)) { |
| 133 | $this->path = App::pluginPath($this->plugin) . 'config' . DS . 'schema'; |
| 134 | } |
| 135 | } |
| 136 | |
| 137 | /** |
| 138 | * Before callback to be implemented in subclasses |
| 139 | * |
| 140 | * @param array $events schema object properties |
| 141 | * @return boolean Should process continue |
| 142 | * @access public |
| 143 | */ |
| 144 | function before($event = array()) { |
| 145 | return true; |
| 146 | } |
| 147 | |
| 148 | /** |
| 149 | * After callback to be implemented in subclasses |
| 150 | * |
| 151 | * @param array $events schema object properties |
| 152 | * @access public |
| 153 | */ |
| 154 | function after($event = array()) { |
| 155 | } |
| 156 | |
| 157 | /** |
| 158 | * Reads database and creates schema tables |
| 159 | * |
| 160 | * @param array $options schema object properties |
| 161 | * @return array Set of name and tables |
| 162 | * @access public |
| 163 | */ |
| 164 | function &load($options = array()) { |
| 165 | if (is_string($options)) { |
| 166 | $options = array('path' => $options); |
| 167 | } |
| 168 | |
| 169 | $this->_build($options); |
| 170 | extract(get_object_vars($this)); |
| 171 | |
| 172 | $class = $name .'Schema'; |
| 173 | |
| 174 | if (!class_exists($class)) { |
| 175 | if (file_exists($path . DS . $file) && is_file($path . DS . $file)) { |
| 176 | require_once($path . DS . $file); |
| 177 | } elseif (file_exists($path . DS . 'schema.php') && is_file($path . DS . 'schema.php')) { |
| 178 | require_once($path . DS . 'schema.php'); |
| 179 | } |
| 180 | } |
| 181 | |
| 182 | if (class_exists($class)) { |
| 183 | $Schema =& new $class($options); |
| 184 | return $Schema; |
| 185 | } |
| 186 | $false = false; |
| 187 | return $false; |
| 188 | } |
| 189 | |
| 190 | /** |
| 191 | * Reads database and creates schema tables |
| 192 | * |
| 193 | * Options |
| 194 | * |
| 195 | * - 'connection' - the db connection to use |
| 196 | * - 'name' - name of the schema |
| 197 | * - 'models' - a list of models to use, or false to ignore models |
| 198 | * |
| 199 | * @param array $options schema object properties |
| 200 | * @return array Array indexed by name and tables |
| 201 | * @access public |
| 202 | */ |
| 203 | function read($options = array()) { |
| 204 | extract(array_merge( |
| 205 | array( |
| 206 | 'connection' => $this->connection, |
| 207 | 'name' => $this->name, |
| 208 | 'models' => true, |
| 209 | ), |
| 210 | $options |
| 211 | )); |
| 212 | $db =& ConnectionManager::getDataSource($connection); |
| 213 | |
| 214 | App::import('Model', 'AppModel'); |
| 215 | if (isset($this->plugin)) { |
| 216 | App::import('Model', Inflector::camelize($this->plugin) . 'AppModel'); |
| 217 | } |
| 218 | |
| 219 | $tables = array(); |
| 220 | $currentTables = $db->listSources(); |
| 221 | |
| 222 | $prefix = null; |
| 223 | if (isset($db->config['prefix'])) { |
| 224 | $prefix = $db->config['prefix']; |
| 225 | } |
| 226 | |
| 227 | if (!is_array($models) && $models !== false) { |
| 228 | if (isset($this->plugin)) { |
| 229 | $models = App::objects('model', App::pluginPath($this->plugin) . 'models' . DS, false); |
| 230 | } else { |
| 231 | $models = App::objects('model'); |
| 232 | } |
| 233 | } |
| 234 | |
| 235 | if (is_array($models)) { |
| 236 | foreach ($models as $model) { |
| 237 | $importModel = $model; |
| 238 | if (isset($this->plugin)) { |
| 239 | $importModel = $this->plugin . '.' . $model; |
| 240 | } |
| 241 | if (!App::import('Model', $importModel)) { |
| 242 | continue; |
| 243 | } |
| 244 | $vars = get_class_vars($model); |
| 245 | if (empty($vars['useDbConfig']) || $vars['useDbConfig'] != $connection) { |
| 246 | continue; |
| 247 | } |
| 248 | |
| 249 | if (PHP5) { |
| 250 | $Object = ClassRegistry::init(array('class' => $model, 'ds' => $connection)); |
| 251 | } else { |
| 252 | $Object =& ClassRegistry::init(array('class' => $model, 'ds' => $connection)); |
| 253 | } |
| 254 | |
| 255 | if (is_object($Object) && $Object->useTable !== false) { |
| 256 | $fulltable = $table = $db->fullTableName($Object, false); |
| 257 | if ($prefix && strpos($table, $prefix) !== 0) { |
| 258 | continue; |
| 259 | } |
| 260 | $table = $this->_noPrefixTable($prefix, $table); |
| 261 | |
| 262 | if (in_array($fulltable, $currentTables)) { |
| 263 | $key = array_search($fulltable, $currentTables); |
| 264 | if (empty($tables[$table])) { |
| 265 | $tables[$table] = $this->__columns($Object); |
| 266 | $tables[$table]['indexes'] = $db->index($Object); |
| 267 | $tables[$table]['tableParameters'] = $db->readTableParameters($fulltable); |
| 268 | unset($currentTables[$key]); |
| 269 | } |
| 270 | if (!empty($Object->hasAndBelongsToMany)) { |
| 271 | foreach ($Object->hasAndBelongsToMany as $Assoc => $assocData) { |
| 272 | if (isset($assocData['with'])) { |
| 273 | $class = $assocData['with']; |
| 274 | } |
| 275 | if (is_object($Object->$class)) { |
| 276 | $withTable = $db->fullTableName($Object->$class, false); |
| 277 | if ($prefix && strpos($withTable, $prefix) !== 0) { |
| 278 | continue; |
| 279 | } |
| 280 | if (in_array($withTable, $currentTables)) { |
| 281 | $key = array_search($withTable, $currentTables); |
| 282 | $noPrefixWith = $this->_noPrefixTable($prefix, $withTable); |
| 283 | |
| 284 | $tables[$noPrefixWith] = $this->__columns($Object->$class); |
| 285 | $tables[$noPrefixWith]['indexes'] = $db->index($Object->$class); |
| 286 | $tables[$noPrefixWith]['tableParameters'] = $db->readTableParameters($withTable); |
| 287 | unset($currentTables[$key]); |
| 288 | } |
| 289 | } |
| 290 | } |
| 291 | } |
| 292 | } |
| 293 | } |
| 294 | } |
| 295 | } |
| 296 | |
| 297 | if (!empty($currentTables)) { |
| 298 | foreach ($currentTables as $table) { |
| 299 | if ($prefix) { |
| 300 | if (strpos($table, $prefix) !== 0) { |
| 301 | continue; |
| 302 | } |
| 303 | $table = $this->_noPrefixTable($prefix, $table); |
| 304 | } |
| 305 | $Object = new AppModel(array( |
| 306 | 'name' => Inflector::classify($table), 'table' => $table, 'ds' => $connection |
| 307 | )); |
| 308 | |
| 309 | $systemTables = array( |
| 310 | 'aros', 'acos', 'aros_acos', Configure::read('Session.table'), 'i18n' |
| 311 | ); |
| 312 | |
| 313 | if (in_array($table, $systemTables)) { |
| 314 | $tables[$Object->table] = $this->__columns($Object); |
| 315 | $tables[$Object->table]['indexes'] = $db->index($Object); |
| 316 | $tables[$Object->table]['tableParameters'] = $db->readTableParameters($table); |
| 317 | } elseif ($models === false) { |
| 318 | $tables[$table] = $this->__columns($Object); |
| 319 | $tables[$table]['indexes'] = $db->index($Object); |
| 320 | $tables[$table]['tableParameters'] = $db->readTableParameters($table); |
| 321 | } else { |
| 322 | $tables['missing'][$table] = $this->__columns($Object); |
| 323 | $tables['missing'][$table]['indexes'] = $db->index($Object); |
| 324 | $tables['missing'][$table]['tableParameters'] = $db->readTableParameters($table); |
| 325 | } |
| 326 | } |
| 327 | } |
| 328 | |
| 329 | ksort($tables); |
| 330 | return compact('name', 'tables'); |
| 331 | } |
| 332 | |
| 333 | /** |
| 334 | * Writes schema file from object or options |
| 335 | * |
| 336 | * @param mixed $object schema object or options array |
| 337 | * @param array $options schema object properties to override object |
| 338 | * @return mixed false or string written to file |
| 339 | * @access public |
| 340 | */ |
| 341 | function write($object, $options = array()) { |
| 342 | if (is_object($object)) { |
| 343 | $object = get_object_vars($object); |
| 344 | $this->_build($object); |
| 345 | } |
| 346 | |
| 347 | if (is_array($object)) { |
| 348 | $options = $object; |
| 349 | unset($object); |
| 350 | } |
| 351 | |
| 352 | extract(array_merge( |
| 353 | get_object_vars($this), $options |
| 354 | )); |
| 355 | |
| 356 | $out = "class {$name}Schema extends CakeSchema {\n"; |
| 357 | |
| 358 | $out .= "\tvar \$name = '{$name}';\n\n"; |
| 359 | |
| 360 | if ($path !== $this->path) { |
| 361 | $out .= "\tvar \$path = '{$path}';\n\n"; |
| 362 | } |
| 363 | |
| 364 | if ($file !== $this->file) { |
| 365 | $out .= "\tvar \$file = '{$file}';\n\n"; |
| 366 | } |
| 367 | |
| 368 | if ($connection !== 'default') { |
| 369 | $out .= "\tvar \$connection = '{$connection}';\n\n"; |
| 370 | } |
| 371 | |
| 372 | $out .= "\tfunction before(\$event = array()) {\n\t\treturn true;\n\t}\n\n\tfunction after(\$event = array()) {\n\t}\n\n"; |
| 373 | |
| 374 | if (empty($tables)) { |
| 375 | $this->read(); |
| 376 | } |
| 377 | |
| 378 | foreach ($tables as $table => $fields) { |
| 379 | if (!is_numeric($table) && $table !== 'missing') { |
| 380 | $out .= $this->generateTable($table, $fields); |
| 381 | } |
| 382 | } |
| 383 | $out .= "}\n"; |
| 384 | |
| 385 | $File =& new File($path . DS . $file, true); |
| 386 | $header = '$Id'; |
| 387 | $content = "<?php \n/* {$name} schema generated on: " . date('Y-m-d H:i:s') . " : ". time() . "*/\n{$out}?>"; |
| 388 | $content = $File->prepare($content); |
| 389 | if ($File->write($content)) { |
| 390 | return $content; |
| 391 | } |
| 392 | return false; |
| 393 | } |
| 394 | |
| 395 | /** |
| 396 | * Generate the code for a table. Takes a table name and $fields array |
| 397 | * Returns a completed variable declaration to be used in schema classes |
| 398 | * |
| 399 | * @param string $table Table name you want returned. |
| 400 | * @param array $fields Array of field information to generate the table with. |
| 401 | * @return string Variable declaration for a schema class |
| 402 | */ |
| 403 | function generateTable($table, $fields) { |
| 404 | $out = "\tvar \${$table} = array(\n"; |
| 405 | if (is_array($fields)) { |
| 406 | $cols = array(); |
| 407 | foreach ($fields as $field => $value) { |
| 408 | if ($field != 'indexes' && $field != 'tableParameters') { |
| 409 | if (is_string($value)) { |
| 410 | $type = $value; |
| 411 | $value = array('type'=> $type); |
| 412 | } |
| 413 | $col = "\t\t'{$field}' => array('type' => '" . $value['type'] . "', "; |
| 414 | unset($value['type']); |
| 415 | $col .= join(', ', $this->__values($value)); |
| 416 | } elseif ($field == 'indexes') { |
| 417 | $col = "\t\t'indexes' => array("; |
| 418 | $props = array(); |
| 419 | foreach ((array)$value as $key => $index) { |
| 420 | $props[] = "'{$key}' => array(" . join(', ', $this->__values($index)) . ")"; |
| 421 | } |
| 422 | $col .= join(', ', $props); |
| 423 | } elseif ($field == 'tableParameters') { |
| 424 | //@todo add charset, collate and engine here |
| 425 | $col = "\t\t'tableParameters' => array("; |
| 426 | $props = array(); |
| 427 | foreach ((array)$value as $key => $param) { |
| 428 | $props[] = "'{$key}' => '$param'"; |
| 429 | } |
| 430 | $col .= join(', ', $props); |
| 431 | } |
| 432 | $col .= ")"; |
| 433 | $cols[] = $col; |
| 434 | } |
| 435 | $out .= join(",\n", $cols); |
| 436 | } |
| 437 | $out .= "\n\t);\n"; |
| 438 | return $out; |
| 439 | } |
| 440 | |
| 441 | /** |
| 442 | * Compares two sets of schemas |
| 443 | * |
| 444 | * @param mixed $old Schema object or array |
| 445 | * @param mixed $new Schema object or array |
| 446 | * @return array Tables (that are added, dropped, or changed) |
| 447 | * @access public |
| 448 | */ |
| 449 | function compare($old, $new = null) { |
| 450 | if (empty($new)) { |
| 451 | $new =& $this; |
| 452 | } |
| 453 | if (is_array($new)) { |
| 454 | if (isset($new['tables'])) { |
| 455 | $new = $new['tables']; |
| 456 | } |
| 457 | } else { |
| 458 | $new = $new->tables; |
| 459 | } |
| 460 | |
| 461 | if (is_array($old)) { |
| 462 | if (isset($old['tables'])) { |
| 463 | $old = $old['tables']; |
| 464 | } |
| 465 | } else { |
| 466 | $old = $old->tables; |
| 467 | } |
| 468 | $tables = array(); |
| 469 | foreach ($new as $table => $fields) { |
| 470 | if ($table == 'missing') { |
| 471 | continue; |
| 472 | } |
| 473 | if (!array_key_exists($table, $old)) { |
| 474 | $tables[$table]['add'] = $fields; |
| 475 | } else { |
| 476 | $diff = $this->_arrayDiffAssoc($fields, $old[$table]); |
| 477 | if (!empty($diff)) { |
| 478 | $tables[$table]['add'] = $diff; |
| 479 | } |
| 480 | $diff = $this->_arrayDiffAssoc($old[$table], $fields); |
| 481 | if (!empty($diff)) { |
| 482 | $tables[$table]['drop'] = $diff; |
| 483 | } |
| 484 | } |
| 485 | |
| 486 | foreach ($fields as $field => $value) { |
| 487 | if (isset($old[$table][$field])) { |
| 488 | $diff = $this->_arrayDiffAssoc($value, $old[$table][$field]); |
| 489 | if (!empty($diff) && $field !== 'indexes' && $field !== 'tableParameters') { |
| 490 | $tables[$table]['change'][$field] = array_merge($old[$table][$field], $diff); |
| 491 | } |
| 492 | } |
| 493 | |
| 494 | if (isset($add[$table][$field])) { |
| 495 | $wrapper = array_keys($fields); |
| 496 | if ($column = array_search($field, $wrapper)) { |
| 497 | if (isset($wrapper[$column - 1])) { |
| 498 | $tables[$table]['add'][$field]['after'] = $wrapper[$column - 1]; |
| 499 | } |
| 500 | } |
| 501 | } |
| 502 | } |
| 503 | |
| 504 | if (isset($old[$table]['indexes']) && isset($new[$table]['indexes'])) { |
| 505 | $diff = $this->_compareIndexes($new[$table]['indexes'], $old[$table]['indexes']); |
| 506 | if ($diff) { |
| 507 | if (!isset($tables[$table])) { |
| 508 | $tables[$table] = array(); |
| 509 | } |
| 510 | if (isset($diff['drop'])) { |
| 511 | $tables[$table]['drop']['indexes'] = $diff['drop']; |
| 512 | } |
| 513 | if ($diff && isset($diff['add'])) { |
| 514 | $tables[$table]['add']['indexes'] = $diff['add']; |
| 515 | } |
| 516 | } |
| 517 | } |
| 518 | if (isset($old[$table]['tableParameters']) && isset($new[$table]['tableParameters'])) { |
| 519 | $diff = $this->_compareTableParameters($new[$table]['tableParameters'], $old[$table]['tableParameters']); |
| 520 | if ($diff) { |
| 521 | $tables[$table]['change']['tableParameters'] = $diff; |
| 522 | } |
| 523 | } |
| 524 | } |
| 525 | return $tables; |
| 526 | } |
| 527 | |
| 528 | /** |
| 529 | * Extended array_diff_assoc noticing change from/to NULL values |
| 530 | * |
| 531 | * It behaves almost the same way as array_diff_assoc except for NULL values: if |
| 532 | * one of the values is not NULL - change is detected. It is useful in situation |
| 533 | * where one value is strval('') ant other is strval(null) - in string comparing |
| 534 | * methods this results as EQUAL, while it is not. |
| 535 | * |
| 536 | * @param array $array1 Base array |
| 537 | * @param array $array2 Corresponding array checked for equality |
| 538 | * @return array Difference as array with array(keys => values) from input array |
| 539 | * where match was not found. |
| 540 | * @access protected |
| 541 | */ |
| 542 | function _arrayDiffAssoc($array1, $array2) { |
| 543 | $difference = array(); |
| 544 | foreach ($array1 as $key => $value) { |
| 545 | if (!array_key_exists($key, $array2)) { |
| 546 | $difference[$key] = $value; |
| 547 | continue; |
| 548 | } |
| 549 | $correspondingValue = $array2[$key]; |
| 550 | if (is_null($value) !== is_null($correspondingValue)) { |
| 551 | $difference[$key] = $value; |
| 552 | continue; |
| 553 | } |
| 554 | if (is_bool($value) !== is_bool($correspondingValue)) { |
| 555 | $difference[$key] = $value; |
| 556 | continue; |
| 557 | } |
| 558 | $compare = strval($value); |
| 559 | $correspondingValue = strval($correspondingValue); |
| 560 | if ($compare === $correspondingValue) { |
| 561 | continue; |
| 562 | } |
| 563 | $difference[$key] = $value; |
| 564 | } |
| 565 | return $difference; |
| 566 | } |
| 567 | |
| 568 | /** |
| 569 | * Formats Schema columns from Model Object |
| 570 | * |
| 571 | * @param array $values options keys(type, null, default, key, length, extra) |
| 572 | * @return array Formatted values |
| 573 | * @access public |
| 574 | */ |
| 575 | function __values($values) { |
| 576 | $vals = array(); |
| 577 | if (is_array($values)) { |
| 578 | foreach ($values as $key => $val) { |
| 579 | if (is_array($val)) { |
| 580 | $vals[] = "'{$key}' => array('" . implode("', '", $val) . "')"; |
| 581 | } else if (!is_numeric($key)) { |
| 582 | $val = var_export($val, true); |
| 583 | $vals[] = "'{$key}' => {$val}"; |
| 584 | } |
| 585 | } |
| 586 | } |
| 587 | return $vals; |
| 588 | } |
| 589 | |
| 590 | /** |
| 591 | * Formats Schema columns from Model Object |
| 592 | * |
| 593 | * @param array $Obj model object |
| 594 | * @return array Formatted columns |
| 595 | * @access public |
| 596 | */ |
| 597 | function __columns(&$Obj) { |
| 598 | $db =& ConnectionManager::getDataSource($Obj->useDbConfig); |
| 599 | $fields = $Obj->schema(true); |
| 600 | $columns = $props = array(); |
| 601 | foreach ($fields as $name => $value) { |
| 602 | if ($Obj->primaryKey == $name) { |
| 603 | $value['key'] = 'primary'; |
| 604 | } |
| 605 | if (!isset($db->columns[$value['type']])) { |
| 606 | trigger_error(sprintf(__('Schema generation error: invalid column type %s does not exist in DBO', true), $value['type']), E_USER_NOTICE); |
| 607 | continue; |
| 608 | } else { |
| 609 | $defaultCol = $db->columns[$value['type']]; |
| 610 | if (isset($defaultCol['limit']) && $defaultCol['limit'] == $value['length']) { |
| 611 | unset($value['length']); |
| 612 | } elseif (isset($defaultCol['length']) && $defaultCol['length'] == $value['length']) { |
| 613 | unset($value['length']); |
| 614 | } |
| 615 | unset($value['limit']); |
| 616 | } |
| 617 | |
| 618 | if (isset($value['default']) && ($value['default'] === '' || $value['default'] === false)) { |
| 619 | unset($value['default']); |
| 620 | } |
| 621 | if (empty($value['length'])) { |
| 622 | unset($value['length']); |
| 623 | } |
| 624 | if (empty($value['key'])) { |
| 625 | unset($value['key']); |
| 626 | } |
| 627 | $columns[$name] = $value; |
| 628 | } |
| 629 | |
| 630 | return $columns; |
| 631 | } |
| 632 | |
| 633 | /** |
| 634 | * Compare two schema files table Parameters |
| 635 | * |
| 636 | * @param array $new New indexes |
| 637 | * @param array $old Old indexes |
| 638 | * @return mixed False on failure, or an array of parameters to add & drop. |
| 639 | */ |
| 640 | function _compareTableParameters($new, $old) { |
| 641 | if (!is_array($new) || !is_array($old)) { |
| 642 | return false; |
| 643 | } |
| 644 | $change = $this->_arrayDiffAssoc($new, $old); |
| 645 | return $change; |
| 646 | } |
| 647 | |
| 648 | /** |
| 649 | * Compare two schema indexes |
| 650 | * |
| 651 | * @param array $new New indexes |
| 652 | * @param array $old Old indexes |
| 653 | * @return mixed false on failure or array of indexes to add and drop |
| 654 | */ |
| 655 | function _compareIndexes($new, $old) { |
| 656 | if (!is_array($new) || !is_array($old)) { |
| 657 | return false; |
| 658 | } |
| 659 | |
| 660 | $add = $drop = array(); |
| 661 | |
| 662 | $diff = $this->_arrayDiffAssoc($new, $old); |
| 663 | if (!empty($diff)) { |
| 664 | $add = $diff; |
| 665 | } |
| 666 | |
| 667 | $diff = $this->_arrayDiffAssoc($old, $new); |
| 668 | if (!empty($diff)) { |
| 669 | $drop = $diff; |
| 670 | } |
| 671 | |
| 672 | foreach ($new as $name => $value) { |
| 673 | if (isset($old[$name])) { |
| 674 | $newUnique = isset($value['unique']) ? $value['unique'] : 0; |
| 675 | $oldUnique = isset($old[$name]['unique']) ? $old[$name]['unique'] : 0; |
| 676 | $newColumn = $value['column']; |
| 677 | $oldColumn = $old[$name]['column']; |
| 678 | |
| 679 | $diff = false; |
| 680 | |
| 681 | if ($newUnique != $oldUnique) { |
| 682 | $diff = true; |
| 683 | } elseif (is_array($newColumn) && is_array($oldColumn)) { |
| 684 | $diff = ($newColumn !== $oldColumn); |
| 685 | } elseif (is_string($newColumn) && is_string($oldColumn)) { |
| 686 | $diff = ($newColumn != $oldColumn); |
| 687 | } else { |
| 688 | $diff = true; |
| 689 | } |
| 690 | if ($diff) { |
| 691 | $drop[$name] = null; |
| 692 | $add[$name] = $value; |
| 693 | } |
| 694 | } |
| 695 | } |
| 696 | return array_filter(compact('add', 'drop')); |
| 697 | } |
| 698 | |
| 699 | /** |
| 700 | * Trim the table prefix from the full table name, and return the prefix-less table |
| 701 | * |
| 702 | * @param string $prefix Table prefix |
| 703 | * @param string $table Full table name |
| 704 | * @return string Prefix-less table name |
| 705 | */ |
| 706 | function _noPrefixTable($prefix, $table) { |
| 707 | return preg_replace('/^' . preg_quote($prefix) . '/', '', $table); |
| 708 | } |
| 709 | } |
| 710 | |
| 711 |
