mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
synced 2025-02-07 12:36:25 +00:00
a7499be154
Adding tests for run update. Adding -f param to schema run update to allow for testing and forcing of table comparison. Skips model checks and uses tables only instead.
443 lines
No EOL
12 KiB
PHP
443 lines
No EOL
12 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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$name = null;
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if (!empty($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 = null;
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if (!empty($this->params['path'])) {
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$path = $this->params['path'];
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}
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$file = null;
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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 = $this->params['file'];
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$connection = null;
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if (!empty($this->params['connection'])) {
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$connection = $this->params['connection'];
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}
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$this->Schema =& new CakeSchema(compact('name', 'path', 'file', 'connection'));
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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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$this->_stop();
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} else {
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$this->err(__('Schema could not be found', true));
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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 = $this->in("Schema file exists.\n [O]verwrite\n [S]napshot\n [Q]uit\nWould you like to do?", array('o', 's', 'q'), 's');
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if ($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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$db->fullDebug = true;
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$errors = array();
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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 => $table))) {
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return false;
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}
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if (!$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'=> $errors));
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if (isset($error)) {
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$this->out($error);
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} elseif ($this->__dry !== true) {
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$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("\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-name <name>\n\t\tclassname to use.");
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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 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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$this->out("\n\tschema dump <filename>\n\t\tDump database sql based on schema file to <filename>. \n\t\tIf <filename> is write, schema dump will be written to a file\n\t\tthat has the same name as the app directory.");
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$this->out("\n\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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$this->out("\n\tschema run update <schema> <table>\n\t\talter tables based on schema file\n\t\toptional <schema> arg for selecting schema name.\n\t\toptional <table> arg for altering only one table.\n\t\tTo use a snapshot, pass the -s param with the snapshot number\n\t\tTo see the changes, perform a dry run with the -dry param");
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$this->out("");
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$this->_stop();
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}
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}
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?>
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