mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
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431f2c2a88
git-svn-id: https://svn.cakephp.org/repo/branches/1.2.x.x@5969 3807eeeb-6ff5-0310-8944-8be069107fe0
350 lines
No EOL
9.9 KiB
PHP
350 lines
No EOL
9.9 KiB
PHP
<?php
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/* SVN FILE: $Id$ */
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/**
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* Command-line database management utility to automate programmer chores.
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*
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* Schema is CakePHP's database management utility. This helps you maintain versions of
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* of your database.
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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.console.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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uses('file', 'model' . DS . 'schema');
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/**
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* Schema is a command-line database management utility for automating programmer chores.
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*
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* @package cake
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* @subpackage cake.cake.console.libs
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*/
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class SchemaShell extends Shell {
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/**
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* is this a dry run?
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*
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* @var boolean
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* @access private
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*/
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var $__dry = null;
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/**
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* Override initialize
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*
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* @access public
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*/
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function initialize() {
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$this->out('Cake Schema Shell');
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$this->hr();
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}
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/**
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* Override startup
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*
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* @access public
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*/
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function startup() {
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$settings = am(array('path'=> CONFIGS .'sql'), $this->params);
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$this->Schema =& new CakeSchema($settings);
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}
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/**
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* Override main
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*
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* @access public
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*/
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function main() {
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$this->help();
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}
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/**
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* Read and output contents od schema object
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* path to read as second arg
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*
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* @access public
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*/
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function view() {
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$File = new File($this->Schema->path . DS .'schema.php');
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if ($File->exists()) {
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$this->out($File->read());
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exit();
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} else {
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$this->err(__('Schema could not be found', true));
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exit();
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}
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}
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/**
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* Read database and Write schema object
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* accepts a connection as first arg or path to save as second arg
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*
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* @access public
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*/
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function generate() {
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$this->out('Generating Schema...');
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$options = array();
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if (isset($this->params['f'])) {
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$options = array('models' => false);
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}
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$snapshot = false;
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if (isset($this->args[0]) && $this->args[0] === 'snapshot') {
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$snapshot = true;
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}
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if(!$snapshot && file_exists($this->Schema->path . DS . 'schema.php')) {
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$snapshot = true;
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$result = $this->in("Schema file exists.\n [O]verwrite\n [S]napshot\n [Q]uit\nWould you like to do?", array('o', 's', 'q'), 's');
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if($result === 'q') {
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exit();
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}
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if($result === 'o') {
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$snapshot = false;
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}
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}
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$content = $this->Schema->read($options);
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$content['file'] = 'schema.php';
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if($snapshot === true) {
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$Folder =& new Folder($this->Schema->path);
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$result = $Folder->read();
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$count = 1;
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if(!empty($result[1])) {
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foreach ($result[1] as $file) {
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if (preg_match('/schema/', $file)) {
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$count++;
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}
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}
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}
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$content['file'] = 'schema_'.$count.'.php';
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}
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if ($this->Schema->write($content)) {
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$this->out(sprintf(__('Schema file: %s generated', true), $content['file']));
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exit();
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} else {
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$this->err(__('Schema file: %s generated', true));
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exit();
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}
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}
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/**
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* Dump Schema object to sql file
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* if first arg == write, file will be written to sql file
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* or it will output sql
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*
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* @access public
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*/
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function dump() {
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$write = false;
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$Schema = $this->Schema->load();
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if (!empty($this->args[0])) {
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if($this->args[0] == 'true') {
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$write = Inflector::underscore($this->Schema->name);
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} else {
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$write = $this->args[0];
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}
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}
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$db =& ConnectionManager::getDataSource($this->Schema->connection);
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$contents = "#". $Schema->name ." sql generated on: " . date('Y-m-d H:m:s') . " : ". time()."\n\n";
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$contents .= $db->dropSchema($Schema) . "\n\n". $db->createSchema($Schema);
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if($write) {
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if(strpos($write, '.sql') === false) {
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$write .= '.sql';
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}
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$File = new File($this->Schema->path . DS . $write, true);
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if($File->write($contents)) {
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$this->out(sprintf(__('SQL dump file created in %s', true), $File->pwd()));
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exit();
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} else {
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$this->err(__('SQL dump could not be created', true));
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exit();
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}
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}
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$this->out($contents);
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return $contents;
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}
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/**
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* Run database commands: create, update
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*
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* @access public
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*/
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function run() {
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if (!isset($this->args[0])) {
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$this->err('command not found');
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exit();
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}
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$command = $this->args[0];
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$this->Dispatch->shiftArgs();
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if(isset($this->params['dry'])) {
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$this->__dry = true;
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$this->out(__('Performing a dry run.', true));
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}
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$options = array('file' => $this->Schema->file);
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if(isset($this->params['s'])) {
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$options = array('file' => 'schema_'.$this->params['s'].'.php');
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}
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$Schema = $this->Schema->load($options);
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if(!$Schema) {
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$this->err(sprintf(__('%s could not be loaded', true), $options['file']));
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exit();
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}
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$table = null;
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if(isset($this->args[1])) {
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$table = $this->args[1];
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}
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switch($command) {
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case 'create':
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$this->__create($Schema, $table);
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break;
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case 'update':
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$this->__update($Schema, $table);
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break;
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default:
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$this->err('command not found');
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exit();
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}
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}
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/**
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* Create database from Schema object
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* Should be called via the run method
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*
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* @access private
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*/
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function __create($Schema, $table = null) {
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$options = array();
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$table = null;
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$event = array_keys($Schema->tables);
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if($table) {
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$event = array($table);
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}
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$errors = array();
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Configure::write('debug', 2);
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$db =& ConnectionManager::getDataSource($this->Schema->connection);
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$db->fullDebug = true;
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$drop = $db->dropSchema($Schema, $table);
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$this->out($drop);
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if('y' == $this->in('Are you sure you want to drop tables and create your database?', array('y', 'n'), 'n')) {
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$create = $db->createSchema($Schema, $table);
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$this->out('Updating Database...');
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$contents = array_map('trim', explode(";", $drop. $create));
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foreach($contents as $sql) {
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if($this->__dry === true) {
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$this->out($sql);
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} else {
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if(!empty($sql)) {
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if(!$this->Schema->before(array('created'=> $event))) {
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return false;
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}
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if (!$db->_execute($sql)) {
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$errors[] = $db->lastError();
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}
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$this->Schema->after(array('created'=> $event, 'errors'=> $errors));
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}
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}
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}
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if(!empty($errors)) {
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$this->err($errors);
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} elseif ($this->__dry !== true) {
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$this->out(__('Database updated', true));
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exit();
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}
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}
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$this->out(__('End', true));
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exit();
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}
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/**
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* Update database with Schema object
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* Should be called via the run method
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*
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* @access private
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*/
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function __update($Schema, $table = null) {
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$this->out('Comparing Database to Schema...');
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$Old = $this->Schema->read();
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$compare = $this->Schema->compare($Old, $Schema);
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if(isset($compare[$table])) {
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$compare = array($table => $compare[$table]);
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}
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Configure::write('debug', 2);
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$db =& ConnectionManager::getDataSource($this->Schema->connection);
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$db->fullDebug = true;
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$contents = $db->alterSchema($compare, $table);
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if(empty($contents)) {
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$this->out(__('Schema is up to date.', true));
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exit();
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} elseif($this->__dry === true || 'y' == $this->in('Would you like to see the changes?', array('y', 'n'), 'y')) {
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$this->out($contents);
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}
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if($this->__dry !== true) {
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if('y' == $this->in('Are you sure you want to update your database?', array('y', 'n'), 'n')) {
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$this->out('Updating Database...');
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if(!$this->Schema->before($compare)) {
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return false;
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}
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if ($db->_execute($contents)) {
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$this->Schema->after($compare);
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$this->out(__('Database updated', true));
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} else {
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$this->err(__('Database could not be updated', true));
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$this->err($db->lastError());
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}
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exit();
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}
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}
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$this->out(__('End', true));
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exit();
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}
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/**
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* Displays help contents
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*
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* @access public
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*/
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function help() {
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$this->out("The Schema Shell generates a schema object from \n\t\tthe database and updates the database from the schema.");
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$this->hr();
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$this->out("Usage: cake schema <command> <arg1> <arg2>...");
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$this->hr();
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$this->out('Params:');
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$this->out("\n\t-connection <config>\n\t\tset db config <config>. uses 'default' if none is specified");
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$this->out("\n\t-path <dir>\n\t\tpath <dir> to read and write schema.php.\n\t\tdefault path: ". $this->Schema->path);
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$this->out("\n\t-file <name>\n\t\tfile <name> to read and write.\n\t\tdefault file: ". $this->Schema->file);
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$this->out("\n\t-s <number>\n\t\tsnapshot <number> to use for run.");
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$this->out("\n\t-dry\n\t\tPerform a dry run on 'run' commands.\n\t\tQueries will be output to window instead of executed.");
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$this->out("\n\t-f\n\t\tforce 'generate' to create a new schema.");
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$this->out('Commands:');
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$this->out("\n\tschema help\n\t\tshows this help message.");
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$this->out("\n\tschema view\n\t\tread and output contents of schema file");
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$this->out("\n\tschema generate\n\t\treads from 'connection' writes to 'path'\n\t\tTo force genaration of all tables into the schema, use the -f param.");
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$this->out("\n\tschema dump <filename>\n\t\tdump database sql based on schema file to filename in schema path. \n\t\tif filename is true, default will use the app directory name.");
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$this->out("\n\tschema run create <table>\n\t\tdrop tables and create database based on schema file\n\t\toptional <table> arg for creating only one table\n\t\tpass the -s param with a number to use a snapshot\n\t\tTo see the changes, perform a dry run with the -dry param");
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$this->out("\n\tschema run update <table>\n\t\talter tables based on schema file\n\t\toptional <table> arg for altering only one table.\n\t\tTo use a snapshot, pass the -s param with the snapshot number\n\t\tTo see the changes, perform a dry run with the -dry param");
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$this->out("");
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exit();
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}
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}
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?>
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