mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
synced 2024-11-15 19:38:26 +00:00
482 lines
No EOL
14 KiB
PHP
482 lines
No EOL
14 KiB
PHP
<?php
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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 2005-2009, Cake Software Foundation, Inc. (http://www.cakefoundation.org)
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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 2005-2009, Cake Software Foundation, Inc. (http://www.cakefoundation.org)
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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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* @license http://www.opensource.org/licenses/mit-license.php The MIT License
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*/
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App::import('Core', 'File', false);
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App::import('Model', 'CakeSchema', false);
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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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* @link http://book.cakephp.org/view/734/Schema-management-and-migrations
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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->_welcome();
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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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$name = $file = $path = $connection = $plugin = null;
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if (!empty($this->params['name'])) {
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$name = $this->params['name'];
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$this->params['file'] = Inflector::underscore($name);
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}
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$path = $this->_getPath();
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if (empty($this->params['file'])) {
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$this->params['file'] = 'schema.php';
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}
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if (strpos($this->params['file'], '.php') === false) {
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$this->params['file'] .= '.php';
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}
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$file = $this->params['file'];
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if (!empty($this->params['connection'])) {
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$connection = $this->params['connection'];
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}
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if (!empty($this->params['plugin'])) {
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$plugin = $this->params['plugin'];
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}
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$this->Schema =& new CakeSchema(compact('name', 'path', 'file', 'connection', 'plugin'));
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}
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/**
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* Get the correct path for the params. Uses path, and plugin to find the correct path.
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* path param takes precedence over any plugins specified.
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*
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* @return mixed string to correct path or null.
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**/
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function _getPath() {
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if (!empty($this->params['path'])) {
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return $this->params['path'];
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}
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if (!empty($this->params['plugin'])) {
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$pluginPath = $this->_pluginPath($this->params['plugin']);
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return $pluginPath . 'config' . DS . 'schema' . DS;
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}
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return null;
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}
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/**
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* Override main
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*
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* @access public
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*/
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function main() {
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$this->help();
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}
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/**
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* Read and output contents of 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 . $this->params['file']);
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if ($File->exists()) {
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$this->out($File->read());
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$this->_stop();
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} else {
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$file = $this->Schema->path . DS . $this->params['file'];
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$this->err(sprintf(__('Schema file (%s) could not be found.', true), $file));
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$this->_stop();
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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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$this->out(__('Generating Schema...', true));
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$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 . $this->params['file'])) {
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$snapshot = true;
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$result = strtolower($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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return $this->_stop();
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}
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if ($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'] = $this->params['file'];
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if ($snapshot === true) {
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$Folder =& new Folder($this->Schema->path);
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$result = $Folder->read();
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$numToUse = false;
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if (isset($this->params['s'])) {
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$numToUse = $this->params['s'];
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}
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$count = 1;
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if (!empty($result[1])) {
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foreach ($result[1] as $file) {
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if (preg_match('/schema(?:[_\d]*)?\.php$/', $file)) {
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$count++;
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}
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}
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}
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if ($numToUse !== false) {
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if ($numToUse > $count) {
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$count = $numToUse;
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}
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}
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$fileName = rtrim($this->params['file'], '.php');
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$content['file'] = $fileName . '_' . $count . '.php';
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}
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if ($this->Schema->write($content)) {
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$this->out(sprintf(__('Schema file: %s generated', true), $content['file']));
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$this->_stop();
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} else {
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$this->err(__('Schema file: %s generated', true));
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$this->_stop();
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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 = $this->Schema->load();
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if (!$Schema) {
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$this->err(__('Schema could not be loaded', true));
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$this->_stop();
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}
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if (!empty($this->args[0])) {
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if ($this->args[0] == 'write') {
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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 = "#" . $Schema->name . " sql generated on: " . date('Y-m-d H:i:s') . " : " . time() . "\n\n";
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$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), $File->pwd()));
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$this->_stop();
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} else {
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$this->err(__('SQL dump could not be created', true));
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$this->_stop();
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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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$this->err(__('Command not found', true));
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$this->_stop();
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}
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$command = $this->args[0];
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$this->Dispatch->shiftArgs();
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$name = null;
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if (isset($this->args[0])) {
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$name = $this->args[0];
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}
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if (isset($this->params['name'])) {
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$name = $this->params['name'];
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}
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if (isset($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('name' => $name);
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if (isset($this->params['s'])) {
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$fileName = rtrim($this->Schema->file, '.php');
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$options['file'] = $fileName . '_' . $this->params['s'] . '.php';
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}
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$Schema = $this->Schema->load($options);
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if (!$Schema) {
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$this->err(sprintf(__('%s could not be loaded', true), $this->Schema->file));
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$this->_stop();
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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', true));
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$this->_stop();
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}
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}
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/**
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* Create database from Schema object
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* Should be called via the run method
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*
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* @access private
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*/
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function __create(&$Schema, $table = null) {
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$db =& ConnectionManager::getDataSource($this->Schema->connection);
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$drop = $create = array();
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if (!$table) {
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foreach ($Schema->tables as $table => $fields) {
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$drop[$table] = $db->dropSchema($Schema, $table);
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$create[$table] = $db->createSchema($Schema, $table);
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}
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} elseif (isset($Schema->tables[$table])) {
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$drop[$table] = $db->dropSchema($Schema, $table);
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$create[$table] = $db->createSchema($Schema, $table);
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}
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if (empty($drop) || empty($create)) {
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$this->out(__('Schema is up to date.', true));
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$this->_stop();
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}
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$this->out("\n" . __('The following table(s) will be dropped.', true));
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$this->out(array_keys($drop));
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if ('y' == $this->in(__('Are you sure you want to drop the table(s)?', true), array('y', 'n'), 'n')) {
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$this->out(__('Dropping table(s).', true));
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$this->__run($drop, 'drop', $Schema);
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}
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$this->out("\n" . __('The following table(s) will be created.', true));
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$this->out(array_keys($create));
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if ('y' == $this->in(__('Are you sure you want to create the table(s)?', true), array('y', 'n'), 'y')) {
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$this->out(__('Creating table(s).', true));
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$this->__run($create, 'create', $Schema);
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}
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$this->out(__('End create.', true));
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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, $table = null) {
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$db =& ConnectionManager::getDataSource($this->Schema->connection);
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$this->out(__('Comparing Database to Schema...', true));
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$options = array();
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if (isset($this->params['f'])) {
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$options['models'] = false;
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}
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$Old = $this->Schema->read($options);
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$compare = $this->Schema->compare($Old, $Schema);
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$contents = array();
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if (empty($table)) {
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foreach ($compare as $table => $changes) {
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$contents[$table] = $db->alterSchema(array($table => $changes), $table);
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}
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} elseif (isset($compare[$table])) {
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$contents[$table] = $db->alterSchema(array($table => $compare[$table]), $table);
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}
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if (empty($contents)) {
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$this->out(__('Schema is up to date.', true));
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$this->_stop();
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}
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$this->out("\n" . __('The following statements will run.', true));
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$this->out(array_map('trim', $contents));
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if ('y' == $this->in(__('Are you sure you want to alter the tables?', true), array('y', 'n'), 'n')) {
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$this->out();
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$this->out(__('Updating Database...', true));
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$this->__run($contents, 'update', $Schema);
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}
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$this->out(__('End update.', true));
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}
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/**
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* Runs sql from __create() or __update()
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*
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* @access private
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*/
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function __run($contents, $event, &$Schema) {
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if (empty($contents)) {
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$this->err(__('Sql could not be run', true));
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return;
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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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$db->fullDebug = true;
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foreach ($contents as $table => $sql) {
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if (empty($sql)) {
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$this->out(sprintf(__('%s is up to date.', true), $table));
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} else {
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if ($this->__dry === true) {
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$this->out(sprintf(__('Dry run for %s :', true), $table));
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$this->out($sql);
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} else {
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if (!$Schema->before(array($event => $table))) {
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return false;
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}
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$error = null;
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if (!$db->execute($sql)) {
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$error = $table . ': ' . $db->lastError();
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}
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$Schema->after(array($event => $table, 'errors' => $error));
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if (!empty($error)) {
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$this->out($error);
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} else {
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$this->out(sprintf(__('%s updated.', true), $table));
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}
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}
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}
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}
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}
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/**
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* Displays help contents
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*
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* @access public
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*/
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function help() {
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$this->out("The Schema Shell generates a schema object from");
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$this->out("the database and updates the database from the schema.");
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$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();
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$this->out("\t-connection <config>");
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$this->out("\t\tset db config <config>. uses 'default' if none is specified");
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$this->out();
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$this->out("\t-path <dir>");
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$this->out("\t\tpath <dir> to read and write schema.php.");
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$this->out("\t\tdefault path: ". $this->Schema->path);
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$this->out();
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$this->out("\t-name <name>");
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$this->out("\t\tclassname to use.");
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$this->out();
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$this->out("\t-file <name>");
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$this->out("\t\tfile <name> to read and write.");
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$this->out("\t\tdefault file: ". $this->Schema->file);
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$this->out();
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$this->out("\t-s <number>");
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$this->out("\t\tsnapshot <number> to use for run.");
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$this->out();
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$this->out("\t-dry");
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$this->out("\t\tPerform a dry run on 'run' commands.");
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$this->out("\t\tQueries will be output to window instead of executed.");
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$this->out();
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$this->out("\t-f");
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$this->out("\t\tforce 'generate' to create a new schema.");
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$this->out();
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$this->out('Commands:');
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$this->out();
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$this->out("\tschema help\n\t\tshows this help message.");
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$this->out();
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$this->out("\tschema view\n\t\tread and output contents of schema file");
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$this->out();
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$this->out("\tschema generate\n\t\treads from 'connection' writes to 'path'\n\t\tTo force generation of all tables into the schema, use the -f param.\n\t\tUse 'schema generate snapshot <number>' to generate snapshots\n\t\twhich you can use with the -s parameter in the other operations.");
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$this->out();
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$this->out("\tschema dump <filename>\n\t\tDump database sql based on schema file to <filename>. \n\t\tIf <filename> is write, schema dump will be written to a file\n\t\tthat has the same name as the app directory.");
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$this->out();
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$this->out("\tschema run create <schema> <table>\n\t\tDrop and create tables based on schema file\n\t\toptional <schema> arg for selecting schema name\n\t\toptional <table> arg for creating only one table\n\t\tpass the -s param with a number to use a snapshot\n\t\tTo see the changes, perform a dry run with the -dry param");
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$this->out();
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$this->out("\tschema run update <schema> <table>\n\t\talter tables based on schema file\n\t\toptional <schema> arg for selecting schema name.\n\t\toptional <table> arg for altering only one table.\n\t\tTo use a snapshot, pass the -s param with the snapshot number\n\t\tTo see the changes, perform a dry run with the -dry param");
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$this->out();
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$this->_stop();
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}
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}
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?>
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