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anikendra |
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<?php
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/**
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* Schema database management for CakePHP.
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*
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* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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* Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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*
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* Licensed under The MIT License
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* For full copyright and license information, please see the LICENSE.txt
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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* @link http://cakephp.org CakePHP(tm) Project
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* @package Cake.Model
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* @since CakePHP(tm) v 1.2.0.5550
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* @license http://www.opensource.org/licenses/mit-license.php MIT License
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*/
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App::uses('Model', 'Model');
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App::uses('AppModel', 'Model');
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App::uses('ConnectionManager', 'Model');
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App::uses('File', 'Utility');
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/**
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* Base Class for Schema management.
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*
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* @package Cake.Model
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*/
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class CakeSchema extends Object {
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/**
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* Name of the schema.
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*
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* @var string
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*/
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public $name = null;
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/**
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* Path to write location.
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*
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* @var string
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*/
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public $path = null;
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/**
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* File to write.
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*
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* @var string
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*/
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public $file = 'schema.php';
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/**
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* Connection used for read.
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*
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* @var string
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*/
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public $connection = 'default';
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/**
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* Plugin name.
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*
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* @var string
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*/
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public $plugin = null;
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/**
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* Set of tables.
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*
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* @var array
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*/
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public $tables = array();
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/**
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* Constructor
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*
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* @param array $options Optional load object properties.
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*/
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public function __construct($options = array()) {
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parent::__construct();
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if (empty($options['name'])) {
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$this->name = preg_replace('/schema$/i', '', get_class($this));
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}
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if (!empty($options['plugin'])) {
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$this->plugin = $options['plugin'];
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}
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if (strtolower($this->name) === 'cake') {
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$this->name = 'App';
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}
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if (empty($options['path'])) {
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$this->path = APP . 'Config' . DS . 'Schema';
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}
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$options = array_merge(get_object_vars($this), $options);
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$this->build($options);
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}
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/**
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* Builds schema object properties.
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*
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* @param array $data Loaded object properties.
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* @return void
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*/
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public function build($data) {
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$file = null;
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foreach ($data as $key => $val) {
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if (!empty($val)) {
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if (!in_array($key, array('plugin', 'name', 'path', 'file', 'connection', 'tables', '_log'))) {
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if ($key[0] === '_') {
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continue;
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}
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$this->tables[$key] = $val;
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unset($this->{$key});
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} elseif ($key !== 'tables') {
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if ($key === 'name' && $val !== $this->name && !isset($data['file'])) {
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$file = Inflector::underscore($val) . '.php';
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}
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$this->{$key} = $val;
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}
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}
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}
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if (file_exists($this->path . DS . $file) && is_file($this->path . DS . $file)) {
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$this->file = $file;
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} elseif (!empty($this->plugin)) {
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$this->path = CakePlugin::path($this->plugin) . 'Config' . DS . 'Schema';
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}
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}
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/**
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* Before callback to be implemented in subclasses.
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*
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* @param array $event Schema object properties.
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* @return bool Should process continue.
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*/
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public function before($event = array()) {
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return true;
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}
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/**
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* After callback to be implemented in subclasses.
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*
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* @param array $event Schema object properties.
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* @return void
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*/
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public function after($event = array()) {
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}
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/**
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* Reads database and creates schema tables.
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*
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* @param array $options Schema object properties.
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* @return array Set of name and tables.
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*/
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public function load($options = array()) {
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if (is_string($options)) {
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$options = array('path' => $options);
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}
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$this->build($options);
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extract(get_object_vars($this));
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$class = $name . 'Schema';
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if (!class_exists($class) && !$this->_requireFile($path, $file)) {
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$class = Inflector::camelize(Inflector::slug(Configure::read('App.dir'))) . 'Schema';
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if (!class_exists($class)) {
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$this->_requireFile($path, $file);
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}
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}
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if (class_exists($class)) {
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$Schema = new $class($options);
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return $Schema;
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}
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return false;
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}
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/**
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* Reads database and creates schema tables.
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*
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* Options
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*
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* - 'connection' - the db connection to use
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* - 'name' - name of the schema
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* - 'models' - a list of models to use, or false to ignore models
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*
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* @param array $options Schema object properties.
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* @return array Array indexed by name and tables.
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*/
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public function read($options = array()) {
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extract(array_merge(
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array(
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'connection' => $this->connection,
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'name' => $this->name,
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'models' => true,
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),
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$options
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));
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$db = ConnectionManager::getDataSource($connection);
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if (isset($this->plugin)) {
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App::uses($this->plugin . 'AppModel', $this->plugin . '.Model');
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}
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$tables = array();
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$currentTables = (array)$db->listSources();
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$prefix = null;
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if (isset($db->config['prefix'])) {
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$prefix = $db->config['prefix'];
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}
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if (!is_array($models) && $models !== false) {
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if (isset($this->plugin)) {
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$models = App::objects($this->plugin . '.Model', null, false);
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} else {
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$models = App::objects('Model');
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}
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}
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if (is_array($models)) {
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foreach ($models as $model) {
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$importModel = $model;
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$plugin = null;
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if ($model === 'AppModel') {
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continue;
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}
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if (isset($this->plugin)) {
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if ($model === $this->plugin . 'AppModel') {
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continue;
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}
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$importModel = $model;
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$plugin = $this->plugin . '.';
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}
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App::uses($importModel, $plugin . 'Model');
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if (!class_exists($importModel)) {
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continue;
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}
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$vars = get_class_vars($model);
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if (empty($vars['useDbConfig']) || $vars['useDbConfig'] != $connection) {
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continue;
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}
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try {
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$Object = ClassRegistry::init(array('class' => $model, 'ds' => $connection));
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} catch (CakeException $e) {
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continue;
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}
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if (!is_object($Object) || $Object->useTable === false) {
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continue;
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}
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$db = $Object->getDataSource();
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$fulltable = $table = $db->fullTableName($Object, false, false);
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if ($prefix && strpos($table, $prefix) !== 0) {
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continue;
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}
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if (!in_array($fulltable, $currentTables)) {
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continue;
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}
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$table = $this->_noPrefixTable($prefix, $table);
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$key = array_search($fulltable, $currentTables);
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if (empty($tables[$table])) {
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$tables[$table] = $this->_columns($Object);
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$tables[$table]['indexes'] = $db->index($Object);
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$tables[$table]['tableParameters'] = $db->readTableParameters($fulltable);
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unset($currentTables[$key]);
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}
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if (empty($Object->hasAndBelongsToMany)) {
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continue;
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}
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foreach ($Object->hasAndBelongsToMany as $assocData) {
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if (isset($assocData['with'])) {
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$class = $assocData['with'];
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}
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if (!is_object($Object->$class)) {
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continue;
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}
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$withTable = $db->fullTableName($Object->$class, false, false);
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if ($prefix && strpos($withTable, $prefix) !== 0) {
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continue;
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}
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if (in_array($withTable, $currentTables)) {
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$key = array_search($withTable, $currentTables);
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$noPrefixWith = $this->_noPrefixTable($prefix, $withTable);
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$tables[$noPrefixWith] = $this->_columns($Object->$class);
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$tables[$noPrefixWith]['indexes'] = $db->index($Object->$class);
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$tables[$noPrefixWith]['tableParameters'] = $db->readTableParameters($withTable);
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unset($currentTables[$key]);
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}
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}
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}
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}
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if (!empty($currentTables)) {
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foreach ($currentTables as $table) {
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if ($prefix) {
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if (strpos($table, $prefix) !== 0) {
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continue;
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}
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$table = $this->_noPrefixTable($prefix, $table);
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}
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$Object = new AppModel(array(
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'name' => Inflector::classify($table), 'table' => $table, 'ds' => $connection
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));
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$systemTables = array(
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'aros', 'acos', 'aros_acos', Configure::read('Session.table'), 'i18n'
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);
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$fulltable = $db->fullTableName($Object, false, false);
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if (in_array($table, $systemTables)) {
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$tables[$Object->table] = $this->_columns($Object);
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324 |
$tables[$Object->table]['indexes'] = $db->index($Object);
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$tables[$Object->table]['tableParameters'] = $db->readTableParameters($fulltable);
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326 |
} elseif ($models === false) {
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$tables[$table] = $this->_columns($Object);
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328 |
$tables[$table]['indexes'] = $db->index($Object);
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329 |
$tables[$table]['tableParameters'] = $db->readTableParameters($fulltable);
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330 |
} else {
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331 |
$tables['missing'][$table] = $this->_columns($Object);
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332 |
$tables['missing'][$table]['indexes'] = $db->index($Object);
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333 |
$tables['missing'][$table]['tableParameters'] = $db->readTableParameters($fulltable);
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334 |
}
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335 |
}
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336 |
}
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337 |
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338 |
ksort($tables);
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339 |
return compact('name', 'tables');
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340 |
}
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341 |
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342 |
/**
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343 |
* Writes schema file from object or options.
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344 |
*
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345 |
* @param array|object $object Schema object or options array.
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346 |
* @param array $options Schema object properties to override object.
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347 |
* @return mixed False or string written to file.
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348 |
*/
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349 |
public function write($object, $options = array()) {
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350 |
if (is_object($object)) {
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351 |
$object = get_object_vars($object);
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352 |
$this->build($object);
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}
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354 |
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355 |
if (is_array($object)) {
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356 |
$options = $object;
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unset($object);
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358 |
}
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359 |
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360 |
extract(array_merge(
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get_object_vars($this), $options
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362 |
));
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363 |
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364 |
$out = "class {$name}Schema extends CakeSchema {\n\n";
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365 |
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366 |
if ($path !== $this->path) {
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367 |
$out .= "\tpublic \$path = '{$path}';\n\n";
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368 |
}
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369 |
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370 |
if ($file !== $this->file) {
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371 |
$out .= "\tpublic \$file = '{$file}';\n\n";
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372 |
}
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373 |
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374 |
if ($connection !== 'default') {
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375 |
$out .= "\tpublic \$connection = '{$connection}';\n\n";
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376 |
}
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377 |
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378 |
$out .= "\tpublic function before(\$event = array()) {\n\t\treturn true;\n\t}\n\n\tpublic function after(\$event = array()) {\n\t}\n\n";
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379 |
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380 |
if (empty($tables)) {
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381 |
$this->read();
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382 |
}
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383 |
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|
384 |
foreach ($tables as $table => $fields) {
|
|
|
385 |
if (!is_numeric($table) && $table !== 'missing') {
|
|
|
386 |
$out .= $this->generateTable($table, $fields);
|
|
|
387 |
}
|
|
|
388 |
}
|
|
|
389 |
$out .= "}\n";
|
|
|
390 |
|
|
|
391 |
$file = new File($path . DS . $file, true);
|
|
|
392 |
$content = "<?php \n{$out}";
|
|
|
393 |
if ($file->write($content)) {
|
|
|
394 |
return $content;
|
|
|
395 |
}
|
|
|
396 |
return false;
|
|
|
397 |
}
|
|
|
398 |
|
|
|
399 |
/**
|
|
|
400 |
* Generate the schema code for a table.
|
|
|
401 |
*
|
|
|
402 |
* Takes a table name and $fields array and returns a completed,
|
|
|
403 |
* escaped variable declaration to be used in schema classes.
|
|
|
404 |
*
|
|
|
405 |
* @param string $table Table name you want returned.
|
|
|
406 |
* @param array $fields Array of field information to generate the table with.
|
|
|
407 |
* @return string Variable declaration for a schema class.
|
|
|
408 |
*/
|
|
|
409 |
public function generateTable($table, $fields) {
|
|
|
410 |
$out = "\tpublic \${$table} = array(\n";
|
|
|
411 |
if (is_array($fields)) {
|
|
|
412 |
$cols = array();
|
|
|
413 |
foreach ($fields as $field => $value) {
|
|
|
414 |
if ($field !== 'indexes' && $field !== 'tableParameters') {
|
|
|
415 |
if (is_string($value)) {
|
|
|
416 |
$type = $value;
|
|
|
417 |
$value = array('type' => $type);
|
|
|
418 |
}
|
|
|
419 |
$col = "\t\t'{$field}' => array('type' => '" . $value['type'] . "', ";
|
|
|
420 |
unset($value['type']);
|
|
|
421 |
$col .= implode(', ', $this->_values($value));
|
|
|
422 |
} elseif ($field === 'indexes') {
|
|
|
423 |
$col = "\t\t'indexes' => array(\n\t\t\t";
|
|
|
424 |
$props = array();
|
|
|
425 |
foreach ((array)$value as $key => $index) {
|
|
|
426 |
$props[] = "'{$key}' => array(" . implode(', ', $this->_values($index)) . ")";
|
|
|
427 |
}
|
|
|
428 |
$col .= implode(",\n\t\t\t", $props) . "\n\t\t";
|
|
|
429 |
} elseif ($field === 'tableParameters') {
|
|
|
430 |
$col = "\t\t'tableParameters' => array(";
|
|
|
431 |
$props = $this->_values($value);
|
|
|
432 |
$col .= implode(', ', $props);
|
|
|
433 |
}
|
|
|
434 |
$col .= ")";
|
|
|
435 |
$cols[] = $col;
|
|
|
436 |
}
|
|
|
437 |
$out .= implode(",\n", $cols);
|
|
|
438 |
}
|
|
|
439 |
$out .= "\n\t);\n\n";
|
|
|
440 |
return $out;
|
|
|
441 |
}
|
|
|
442 |
|
|
|
443 |
/**
|
|
|
444 |
* Compares two sets of schemas.
|
|
|
445 |
*
|
|
|
446 |
* @param array|object $old Schema object or array.
|
|
|
447 |
* @param array|object $new Schema object or array.
|
|
|
448 |
* @return array Tables (that are added, dropped, or changed.)
|
|
|
449 |
*/
|
|
|
450 |
public function compare($old, $new = null) {
|
|
|
451 |
if (empty($new)) {
|
|
|
452 |
$new = $this;
|
|
|
453 |
}
|
|
|
454 |
if (is_array($new)) {
|
|
|
455 |
if (isset($new['tables'])) {
|
|
|
456 |
$new = $new['tables'];
|
|
|
457 |
}
|
|
|
458 |
} else {
|
|
|
459 |
$new = $new->tables;
|
|
|
460 |
}
|
|
|
461 |
|
|
|
462 |
if (is_array($old)) {
|
|
|
463 |
if (isset($old['tables'])) {
|
|
|
464 |
$old = $old['tables'];
|
|
|
465 |
}
|
|
|
466 |
} else {
|
|
|
467 |
$old = $old->tables;
|
|
|
468 |
}
|
|
|
469 |
$tables = array();
|
|
|
470 |
foreach ($new as $table => $fields) {
|
|
|
471 |
if ($table === 'missing') {
|
|
|
472 |
continue;
|
|
|
473 |
}
|
|
|
474 |
if (!array_key_exists($table, $old)) {
|
|
|
475 |
$tables[$table]['create'] = $fields;
|
|
|
476 |
} else {
|
|
|
477 |
$diff = $this->_arrayDiffAssoc($fields, $old[$table]);
|
|
|
478 |
if (!empty($diff)) {
|
|
|
479 |
$tables[$table]['add'] = $diff;
|
|
|
480 |
}
|
|
|
481 |
$diff = $this->_arrayDiffAssoc($old[$table], $fields);
|
|
|
482 |
if (!empty($diff)) {
|
|
|
483 |
$tables[$table]['drop'] = $diff;
|
|
|
484 |
}
|
|
|
485 |
}
|
|
|
486 |
|
|
|
487 |
foreach ($fields as $field => $value) {
|
|
|
488 |
if (!empty($old[$table][$field])) {
|
|
|
489 |
$diff = $this->_arrayDiffAssoc($value, $old[$table][$field]);
|
|
|
490 |
if (!empty($diff) && $field !== 'indexes' && $field !== 'tableParameters') {
|
|
|
491 |
$tables[$table]['change'][$field] = $value;
|
|
|
492 |
}
|
|
|
493 |
}
|
|
|
494 |
|
|
|
495 |
if (isset($tables[$table]['add'][$field]) && $field !== 'indexes' && $field !== 'tableParameters') {
|
|
|
496 |
$wrapper = array_keys($fields);
|
|
|
497 |
if ($column = array_search($field, $wrapper)) {
|
|
|
498 |
if (isset($wrapper[$column - 1])) {
|
|
|
499 |
$tables[$table]['add'][$field]['after'] = $wrapper[$column - 1];
|
|
|
500 |
}
|
|
|
501 |
}
|
|
|
502 |
}
|
|
|
503 |
}
|
|
|
504 |
|
|
|
505 |
if (isset($old[$table]['indexes']) && isset($new[$table]['indexes'])) {
|
|
|
506 |
$diff = $this->_compareIndexes($new[$table]['indexes'], $old[$table]['indexes']);
|
|
|
507 |
if ($diff) {
|
|
|
508 |
if (!isset($tables[$table])) {
|
|
|
509 |
$tables[$table] = array();
|
|
|
510 |
}
|
|
|
511 |
if (isset($diff['drop'])) {
|
|
|
512 |
$tables[$table]['drop']['indexes'] = $diff['drop'];
|
|
|
513 |
}
|
|
|
514 |
if ($diff && isset($diff['add'])) {
|
|
|
515 |
$tables[$table]['add']['indexes'] = $diff['add'];
|
|
|
516 |
}
|
|
|
517 |
}
|
|
|
518 |
}
|
|
|
519 |
if (isset($old[$table]['tableParameters']) && isset($new[$table]['tableParameters'])) {
|
|
|
520 |
$diff = $this->_compareTableParameters($new[$table]['tableParameters'], $old[$table]['tableParameters']);
|
|
|
521 |
if ($diff) {
|
|
|
522 |
$tables[$table]['change']['tableParameters'] = $diff;
|
|
|
523 |
}
|
|
|
524 |
}
|
|
|
525 |
}
|
|
|
526 |
return $tables;
|
|
|
527 |
}
|
|
|
528 |
|
|
|
529 |
/**
|
|
|
530 |
* Extended array_diff_assoc noticing change from/to NULL values.
|
|
|
531 |
*
|
|
|
532 |
* It behaves almost the same way as array_diff_assoc except for NULL values: if
|
|
|
533 |
* one of the values is not NULL - change is detected. It is useful in situation
|
|
|
534 |
* where one value is strval('') ant other is strval(null) - in string comparing
|
|
|
535 |
* methods this results as EQUAL, while it is not.
|
|
|
536 |
*
|
|
|
537 |
* @param array $array1 Base array.
|
|
|
538 |
* @param array $array2 Corresponding array checked for equality.
|
|
|
539 |
* @return array Difference as array with array(keys => values) from input array
|
|
|
540 |
* where match was not found.
|
|
|
541 |
*/
|
|
|
542 |
protected function _arrayDiffAssoc($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 (($value === null) !== ($correspondingValue === null)) {
|
|
|
551 |
$difference[$key] = $value;
|
|
|
552 |
continue;
|
|
|
553 |
}
|
|
|
554 |
if (is_bool($value) !== is_bool($correspondingValue)) {
|
|
|
555 |
$difference[$key] = $value;
|
|
|
556 |
continue;
|
|
|
557 |
}
|
|
|
558 |
if (is_array($value) && is_array($correspondingValue)) {
|
|
|
559 |
continue;
|
|
|
560 |
}
|
|
|
561 |
if ($value === $correspondingValue) {
|
|
|
562 |
continue;
|
|
|
563 |
}
|
|
|
564 |
$difference[$key] = $value;
|
|
|
565 |
}
|
|
|
566 |
return $difference;
|
|
|
567 |
}
|
|
|
568 |
|
|
|
569 |
/**
|
|
|
570 |
* Formats Schema columns from Model Object.
|
|
|
571 |
*
|
|
|
572 |
* @param array $values Options keys(type, null, default, key, length, extra).
|
|
|
573 |
* @return array Formatted values.
|
|
|
574 |
*/
|
|
|
575 |
protected function _values($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(", ", $this->_values($val)) . ")";
|
|
|
581 |
} else {
|
|
|
582 |
$val = var_export($val, true);
|
|
|
583 |
if ($val === 'NULL') {
|
|
|
584 |
$val = 'null';
|
|
|
585 |
}
|
|
|
586 |
if (!is_numeric($key)) {
|
|
|
587 |
$vals[] = "'{$key}' => {$val}";
|
|
|
588 |
} else {
|
|
|
589 |
$vals[] = "{$val}";
|
|
|
590 |
}
|
|
|
591 |
}
|
|
|
592 |
}
|
|
|
593 |
}
|
|
|
594 |
return $vals;
|
|
|
595 |
}
|
|
|
596 |
|
|
|
597 |
/**
|
|
|
598 |
* Formats Schema columns from Model Object.
|
|
|
599 |
*
|
|
|
600 |
* @param array &$Obj model object.
|
|
|
601 |
* @return array Formatted columns.
|
|
|
602 |
*/
|
|
|
603 |
protected function _columns(&$Obj) {
|
|
|
604 |
$db = $Obj->getDataSource();
|
|
|
605 |
$fields = $Obj->schema(true);
|
|
|
606 |
|
|
|
607 |
$columns = array();
|
|
|
608 |
foreach ($fields as $name => $value) {
|
|
|
609 |
if ($Obj->primaryKey === $name) {
|
|
|
610 |
$value['key'] = 'primary';
|
|
|
611 |
}
|
|
|
612 |
if (!isset($db->columns[$value['type']])) {
|
|
|
613 |
trigger_error(__d('cake_dev', 'Schema generation error: invalid column type %s for %s.%s does not exist in DBO', $value['type'], $Obj->name, $name), E_USER_NOTICE);
|
|
|
614 |
continue;
|
|
|
615 |
} else {
|
|
|
616 |
$defaultCol = $db->columns[$value['type']];
|
|
|
617 |
if (isset($defaultCol['limit']) && $defaultCol['limit'] == $value['length']) {
|
|
|
618 |
unset($value['length']);
|
|
|
619 |
} elseif (isset($defaultCol['length']) && $defaultCol['length'] == $value['length']) {
|
|
|
620 |
unset($value['length']);
|
|
|
621 |
}
|
|
|
622 |
unset($value['limit']);
|
|
|
623 |
}
|
|
|
624 |
|
|
|
625 |
if (isset($value['default']) && ($value['default'] === '' || ($value['default'] === false && $value['type'] !== 'boolean'))) {
|
|
|
626 |
unset($value['default']);
|
|
|
627 |
}
|
|
|
628 |
if (empty($value['length'])) {
|
|
|
629 |
unset($value['length']);
|
|
|
630 |
}
|
|
|
631 |
if (empty($value['key'])) {
|
|
|
632 |
unset($value['key']);
|
|
|
633 |
}
|
|
|
634 |
$columns[$name] = $value;
|
|
|
635 |
}
|
|
|
636 |
|
|
|
637 |
return $columns;
|
|
|
638 |
}
|
|
|
639 |
|
|
|
640 |
/**
|
|
|
641 |
* Compare two schema files table Parameters.
|
|
|
642 |
*
|
|
|
643 |
* @param array $new New indexes.
|
|
|
644 |
* @param array $old Old indexes.
|
|
|
645 |
* @return mixed False on failure, or an array of parameters to add & drop.
|
|
|
646 |
*/
|
|
|
647 |
protected function _compareTableParameters($new, $old) {
|
|
|
648 |
if (!is_array($new) || !is_array($old)) {
|
|
|
649 |
return false;
|
|
|
650 |
}
|
|
|
651 |
$change = $this->_arrayDiffAssoc($new, $old);
|
|
|
652 |
return $change;
|
|
|
653 |
}
|
|
|
654 |
|
|
|
655 |
/**
|
|
|
656 |
* Compare two schema indexes.
|
|
|
657 |
*
|
|
|
658 |
* @param array $new New indexes.
|
|
|
659 |
* @param array $old Old indexes.
|
|
|
660 |
* @return mixed False on failure or array of indexes to add and drop.
|
|
|
661 |
*/
|
|
|
662 |
protected function _compareIndexes($new, $old) {
|
|
|
663 |
if (!is_array($new) || !is_array($old)) {
|
|
|
664 |
return false;
|
|
|
665 |
}
|
|
|
666 |
|
|
|
667 |
$add = $drop = array();
|
|
|
668 |
|
|
|
669 |
$diff = $this->_arrayDiffAssoc($new, $old);
|
|
|
670 |
if (!empty($diff)) {
|
|
|
671 |
$add = $diff;
|
|
|
672 |
}
|
|
|
673 |
|
|
|
674 |
$diff = $this->_arrayDiffAssoc($old, $new);
|
|
|
675 |
if (!empty($diff)) {
|
|
|
676 |
$drop = $diff;
|
|
|
677 |
}
|
|
|
678 |
|
|
|
679 |
foreach ($new as $name => $value) {
|
|
|
680 |
if (isset($old[$name])) {
|
|
|
681 |
$newUnique = isset($value['unique']) ? $value['unique'] : 0;
|
|
|
682 |
$oldUnique = isset($old[$name]['unique']) ? $old[$name]['unique'] : 0;
|
|
|
683 |
$newColumn = $value['column'];
|
|
|
684 |
$oldColumn = $old[$name]['column'];
|
|
|
685 |
|
|
|
686 |
$diff = false;
|
|
|
687 |
|
|
|
688 |
if ($newUnique != $oldUnique) {
|
|
|
689 |
$diff = true;
|
|
|
690 |
} elseif (is_array($newColumn) && is_array($oldColumn)) {
|
|
|
691 |
$diff = ($newColumn !== $oldColumn);
|
|
|
692 |
} elseif (is_string($newColumn) && is_string($oldColumn)) {
|
|
|
693 |
$diff = ($newColumn != $oldColumn);
|
|
|
694 |
} else {
|
|
|
695 |
$diff = true;
|
|
|
696 |
}
|
|
|
697 |
if ($diff) {
|
|
|
698 |
$drop[$name] = null;
|
|
|
699 |
$add[$name] = $value;
|
|
|
700 |
}
|
|
|
701 |
}
|
|
|
702 |
}
|
|
|
703 |
return array_filter(compact('add', 'drop'));
|
|
|
704 |
}
|
|
|
705 |
|
|
|
706 |
/**
|
|
|
707 |
* Trim the table prefix from the full table name, and return the prefix-less
|
|
|
708 |
* table.
|
|
|
709 |
*
|
|
|
710 |
* @param string $prefix Table prefix.
|
|
|
711 |
* @param string $table Full table name.
|
|
|
712 |
* @return string Prefix-less table name.
|
|
|
713 |
*/
|
|
|
714 |
protected function _noPrefixTable($prefix, $table) {
|
|
|
715 |
return preg_replace('/^' . preg_quote($prefix) . '/', '', $table);
|
|
|
716 |
}
|
|
|
717 |
|
|
|
718 |
/**
|
|
|
719 |
* Attempts to require the schema file specified.
|
|
|
720 |
*
|
|
|
721 |
* @param string $path Filesystem path to the file.
|
|
|
722 |
* @param string $file Filesystem basename of the file.
|
|
|
723 |
* @return bool True when a file was successfully included, false on failure.
|
|
|
724 |
*/
|
|
|
725 |
protected function _requireFile($path, $file) {
|
|
|
726 |
if (file_exists($path . DS . $file) && is_file($path . DS . $file)) {
|
|
|
727 |
require_once $path . DS . $file;
|
|
|
728 |
return true;
|
|
|
729 |
} elseif (file_exists($path . DS . 'schema.php') && is_file($path . DS . 'schema.php')) {
|
|
|
730 |
require_once $path . DS . 'schema.php';
|
|
|
731 |
return true;
|
|
|
732 |
}
|
|
|
733 |
return false;
|
|
|
734 |
}
|
|
|
735 |
|
|
|
736 |
}
|