mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
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caefdbb6d7
git-svn-id: https://svn.cakephp.org/repo/branches/1.2.x.x@6073 3807eeeb-6ff5-0310-8944-8be069107fe0
482 lines
No EOL
12 KiB
PHP
482 lines
No EOL
12 KiB
PHP
<?php
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/* SVN FILE: $Id$ */
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/**
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* Schema database management for CakePHP.
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*
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* PHP versions 4 and 5
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*
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* CakePHP(tm) : Rapid Development Framework <http://www.cakephp.org/>
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* Copyright 2005-2007, Cake Software Foundation, Inc.
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* 1785 E. Sahara Avenue, Suite 490-204
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* Las Vegas, Nevada 89104
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*
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* Licensed under The MIT License
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* Redistributions of files must retain the above copyright notice.
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*
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* @filesource
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* @copyright Copyright 2005-2007, Cake Software Foundation, Inc.
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* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP(tm) Project
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* @package cake
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* @subpackage cake.cake.libs
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* @since CakePHP(tm) v 1.2.0.5550
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* @version $Revision$
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* @modifiedby $LastChangedBy$
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* @lastmodified $Date$
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* @license http://www.opensource.org/licenses/mit-license.php The MIT License
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*/
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if (!class_exists('connectionmanager')) {
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uses('model' . DS . 'connection_manager');
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}
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/**
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* Base Class for Schema management
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*
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* @package cake.libs
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* @subpackage cake.libs
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*/
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class CakeSchema extends Object {
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/**
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* Name of the App Schema
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*
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* @var string
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* @access public
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*/
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var $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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* @access public
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*/
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var $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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* @access public
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*/
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var $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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* @access public
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*/
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var $connection = 'default';
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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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* @access public
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*/
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var $tables = array();
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/**
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* Constructor
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*
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* @param array $data optional load object properties
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*/
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function __construct($data = array()) {
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parent::__construct();
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if (empty($data['name'])) {
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$this->name = preg_replace('/schema$/i', '', get_class($this));
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}
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if ($this->name === 'Cake') {
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$this->name = Inflector::camelize(Configure::read('App.dir'));
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}
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if (empty($data['path'])) {
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$this->path = CONFIGS . 'sql';
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}
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$data = am(get_object_vars($this), $data);
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$this->_build($data);
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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 $data loaded object properties
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* @access protected
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*/
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function _build($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($key, array('name', 'path', 'file', 'connection', 'tables', '_log'))) {
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$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 !== $this->name) {
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$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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}
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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 $events schema object properties
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* @return boolean Should process continue
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* @access public
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*/
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function before($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 $events schema object properties
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* @access public
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*/
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function after($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 $options schema object properties
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* @return array Set of name and tables
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* @access public
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*/
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function load($options = array()) {
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if (is_string($options)) {
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$options = array('path'=> $options);
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}
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$options = am(
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get_object_vars($this), $options
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);
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extract($options);
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$class = $name .'Schema';
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if (!class_exists($class)) {
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if (file_exists($path . DS . $file) && is_file($path . DS . $file)) {
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require_once($path . DS . $file);
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} elseif (file_exists($path . DS . 'schema.php') && is_file($path . DS . 'schema.php')) {
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require_once($path . DS . 'schema.php');
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}
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}
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if (class_exists($class)) {
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$Schema =& new $class();
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$this->_build($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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* @param array $options schema object properties
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* @return array Array indexed by name and tables
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* @access public
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*/
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function read($options = array()) {
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extract(am(
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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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$prefix = null;
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App::import('Model', 'AppModel');
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$tables = array();
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$currentTables = $db->sources();
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if (isset($db->config['prefix'])) {
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$prefix = $db->config['prefix'];
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}
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if (!is_array($models) && $models !== false) {
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$models = Configure::listObjects('model');
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}
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if (is_array($models)) {
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foreach ($models as $model) {
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if (!class_exists($model)) {
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App::import('Model', $model);
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}
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if (class_exists($model)) {
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$Object =& new $model();
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$Object->setDataSource($connection);
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$table = $db->fullTableName($Object, false);
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if (is_object($Object)) {
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$table = $db->fullTableName($Object, false);
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if (in_array($table, $currentTables)) {
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$key = array_search($table, $currentTables);
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if (empty($tables[$Object->table])) {
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$tables[$Object->table] = $this->__columns($Object);
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$tables[$Object->table]['indexes'] = $db->index($Object);
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unset($currentTables[$key]);
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}
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if (!empty($Object->hasAndBelongsToMany)) {
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foreach($Object->hasAndBelongsToMany as $Assoc => $assocData) {
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if (isset($assocData['with'])) {
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$class = $assocData['with'];
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} elseif ($assocData['_with']) {
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$class = $assocData['_with'];
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}
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if (is_object($Object->$class)) {
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$table = $db->fullTableName($Object->$class, false);
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if (in_array($table, $currentTables)) {
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$key = array_search($table, $currentTables);
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$tables[$Object->$class->table] = $this->__columns($Object->$class);
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$tables[$Object->$class->table]['indexes'] = $db->index($Object->$class);
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unset($currentTables[$key]);
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}
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}
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}
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}
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}
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}
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}
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}
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}
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if (!empty($currentTables)) {
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foreach($currentTables as $table) {
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if ($prefix) {
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$table = str_replace($prefix, '', $table);
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}
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$Object = new AppModel(array('name'=> Inflector::classify($table), 'table'=> $table, 'ds'=> $connection));
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if (in_array($table, array('aros', 'acos', 'aros_acos', Configure::read('Session.table'), 'i18n'))) {
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$tables[$Object->table] = $this->__columns($Object);
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$tables[$Object->table]['indexes'] = $db->index($Object);
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} else {
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$tables['missing'][$table] = $this->__columns($Object);
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$tables['missing'][$table]['indexes'] = $db->index($Object);
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}
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}
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}
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ksort($tables);
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return compact('name', 'tables');
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}
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/**
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* Writes schema file from object or options
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*
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* @param mixed $object schema object or options array
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* @param array $options schema object properties to override object
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* @return mixed false or string written to file
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* @access public
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*/
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function write($object, $options = array()) {
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if (is_object($object)) {
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$object = get_object_vars($object);
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$this->_build($object);
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}
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if (is_array($object)) {
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$options = $object;
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unset($object);
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}
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extract(am(
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get_object_vars($this), $options
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));
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$out = "\n\nclass {$name}Schema extends CakeSchema {\n\n";
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$out .= "\tvar \$name = '{$name}';\n\n";
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if ($path !== $this->path) {
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$out .= "\tvar \$path = '{$path}';\n\n";
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}
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if ($file !== $this->file) {
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$out .= "\tvar \$file = '{$file}';\n\n";
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}
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if ($connection !== 'default') {
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$out .= "\tvar \$connection = '{$connection}';\n\n";
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}
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$out .= "\tfunction before(\$event = array()) {\n\t\treturn true;\n\t}\n\n\tfunction after(\$event = array()) {\n\t}\n\n";
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if (empty($tables)) {
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$this->read();
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}
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foreach ($tables as $table => $fields) {
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if (!is_numeric($table) && $table !== 'missing') {
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$out .= "\tvar \${$table} = array(\n";
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if (is_array($fields)) {
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$cols = array();
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foreach ($fields as $field => $value) {
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if ($field != 'indexes') {
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if (is_string($value)) {
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$type = $value;
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$value = array('type'=> $type);
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}
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$col = "\t\t\t'{$field}' => array('type'=>'" . $value['type'] . "', ";
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unset($value['type']);
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$col .= join(', ', $this->__values($value));
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} else {
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$col = "\t\t\t'indexes' => array(";
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$props = array();
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foreach ($value as $key => $index) {
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$props[] = "'{$key}' => array(".join(', ', $this->__values($index)).")";
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}
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$col .= join(', ', $props);
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}
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$col .= ")";
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$cols[] = $col;
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}
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$out .= join(",\n", $cols);
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}
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$out .= "\n\t\t);\n";
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$out .="\n";
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}
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}
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$out .="}\n";
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$File =& new File($path . DS . $file, true);
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$content = "<?php \n/* SVN FILE: \$Id$ */\n/*". $name ." schema generated on: " . date('Y-m-d H:m:s') . " : ". time() . "*/\n{$out}?>";
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$content = $File->prepare($content);
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if ($File->write($content)) {
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return $content;
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}
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return false;
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}
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/**
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* Compares two sets of schemas
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*
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* @param mixed $old Schema object or array
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* @param mixed $new Schema object or array
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* @return array Tables (that are added, dropped, or changed)
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* @access public
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*/
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function compare($old, $new = null) {
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if (empty($new)) {
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$new = $this;
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}
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if (is_array($new)) {
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if (isset($new['tables'])) {
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$new = $new['tables'];
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}
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} else {
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$new = $new->tables;
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}
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if (is_array($old)) {
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if (isset($old['tables'])) {
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$old = $old['tables'];
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}
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} else {
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$old = $old->tables;
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}
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$tables = array();
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foreach ($new as $table => $fields) {
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if ($table == 'missing') {
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break;
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}
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if (!array_key_exists($table, $old)) {
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$tables[$table]['add'] = $fields;
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} else {
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$diff = array_diff_assoc($fields, $old[$table]);
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if (!empty($diff)) {
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$tables[$table]['add'] = $diff;
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}
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$diff = array_diff_assoc($old[$table], $fields);
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if (!empty($diff)) {
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$tables[$table]['drop'] = $diff;
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}
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}
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foreach ($fields as $field => $value) {
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if (isset($old[$table][$field])) {
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$diff = array_diff_assoc($value, $old[$table][$field]);
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if (!empty($diff)) {
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$tables[$table]['change'][$field] = am($old[$table][$field], $diff);
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}
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}
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if (isset($add[$table][$field])) {
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$wrapper = array_keys($fields);
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if ($column = array_search($field, $wrapper)) {
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if (isset($wrapper[$column - 1])) {
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$tables[$table]['add'][$field]['after'] = $wrapper[$column - 1];
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}
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}
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}
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}
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}
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return $tables;
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}
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/**
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* Formats Schema columns from Model Object
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*
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* @param array $values options keys(type, null, default, key, length, extra)
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* @return array Formatted values
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* @access public
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*/
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function __values($values) {
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$vals = array();
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if (is_array($values)) {
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foreach ($values as $key => $val) {
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if (is_array($val)) {
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$vals[] = "'{$key}' => array('".join("', '", $val)."')";
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} else if (!is_numeric($key)) {
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$val = var_export($val, true);
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$vals[] = "'{$key}' => {$val}";
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}
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}
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}
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return $vals;
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}
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/**
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* Formats Schema columns from Model Object
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*
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* @param array $Obj model object
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* @return array Formatted columns
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* @access public
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*/
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function __columns(&$Obj) {
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$db =& ConnectionManager::getDataSource($Obj->useDbConfig);
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$fields = $Obj->schema(true);
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$columns = $props = array();
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foreach ($fields as $name => $value) {
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if ($Obj->primaryKey == $name) {
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$value['key'] = 'primary';
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}
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if (!isset($db->columns[$value['type']])) {
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trigger_error('Schema generation error: invalid column type ' . $value['type'] . ' does not exist in DBO', E_USER_NOTICE);
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continue;
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} else {
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$defaultCol = $db->columns[$value['type']];
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if (isset($defaultCol['limit']) && $defaultCol['limit'] == $value['length']) {
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unset($value['length']);
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} elseif (isset($defaultCol['length']) && $defaultCol['length'] == $value['length']) {
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unset($value['length']);
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}
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unset($value['limit']);
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}
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if (isset($value['default']) && ($value['default'] === '' || $value['default'] === false)) {
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unset($value['default']);
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}
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if (empty($value['length'])) {
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unset($value['length']);
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}
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if (empty($value['key'])) {
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unset($value['key']);
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}
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if (empty($value['extra'])) {
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unset($value['extra']);
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}
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$columns[$name] = $value;
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}
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return $columns;
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}
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}
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?>
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