574 lines
16 KiB
PHP
574 lines
16 KiB
PHP
<?php
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/**
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* CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
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* Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
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*
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* Licensed under The MIT License
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* For full copyright and license information, please see the LICENSE.txt
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
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* @link https://cakephp.org CakePHP(tm) Project
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* @since CakePHP(tm) v 1.2.0.5550
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* @license https://opensource.org/licenses/mit-license.php MIT License
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*/
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App::uses('AppShell', 'Console/Command');
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App::uses('File', 'Utility');
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App::uses('Folder', 'Utility');
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App::uses('CakeSchema', 'Model');
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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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* 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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* @package Cake.Console.Command
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* @link https://book.cakephp.org/2.0/en/console-and-shells/schema-management-and-migrations.html
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*/
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class SchemaShell extends AppShell {
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/**
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* Schema class being used.
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*
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* @var CakeSchema
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*/
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public $Schema;
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/**
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* is this a dry run?
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*
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* @var bool
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*/
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protected $_dry = null;
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/**
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* Override startup
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*
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* @return void
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*/
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public function startup() {
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$this->_welcome();
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$this->out('Cake Schema Shell');
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$this->hr();
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Configure::write('Cache.disable', true);
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$name = $path = $connection = $plugin = null;
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if (!empty($this->params['name'])) {
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$name = $this->params['name'];
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} elseif (!empty($this->args[0]) && $this->args[0] !== 'snapshot') {
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$name = $this->params['name'] = $this->args[0];
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}
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if (strpos($name, '.')) {
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list($this->params['plugin'], $splitName) = pluginSplit($name);
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$name = $this->params['name'] = $splitName;
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}
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if ($name && empty($this->params['file'])) {
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$this->params['file'] = Inflector::underscore($name);
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} elseif (empty($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['path'])) {
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$path = $this->params['path'];
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}
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if (!empty($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 = $this->params['plugin'];
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if (empty($name)) {
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$name = $plugin;
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}
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}
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$name = Inflector::camelize($name);
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$this->Schema = new CakeSchema(compact('name', 'path', 'file', 'connection', 'plugin'));
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}
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/**
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* 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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* @return void
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*/
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public 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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return $this->_stop();
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}
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$file = $this->Schema->path . DS . $this->params['file'];
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$this->err(__d('cake_console', 'Schema file (%s) could not be found.', $file));
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return $this->_stop();
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}
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/**
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* Read database and Write schema object
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* accepts a connection as first arg or path to save as second arg
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*
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* @return void
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*/
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public function generate() {
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$this->out(__d('cake_console', 'Generating Schema...'));
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$options = array();
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if ($this->params['force']) {
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$options['models'] = false;
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} elseif (!empty($this->params['models'])) {
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$options['models'] = CakeText::tokenize($this->params['models']);
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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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$prompt = __d('cake_console', "Schema file exists.\n [O]verwrite\n [S]napshot\n [Q]uit\nWould you like to do?");
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$result = strtolower($this->in($prompt, 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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$snapshot = false;
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}
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}
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$cacheDisable = Configure::read('Cache.disable');
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Configure::write('Cache.disable', true);
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$content = $this->Schema->read($options);
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$content['file'] = $this->params['file'];
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Configure::write('Cache.disable', $cacheDisable);
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if (!empty($this->params['exclude']) && !empty($content)) {
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$excluded = CakeText::tokenize($this->params['exclude']);
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foreach ($excluded as $table) {
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unset($content['tables'][$table]);
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}
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}
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if ($snapshot === true) {
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$fileName = basename($this->params['file'], '.php');
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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($this->params['snapshot'])) {
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$numToUse = $this->params['snapshot'];
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}
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$count = 0;
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if (!empty($result[1])) {
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foreach ($result[1] as $file) {
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if (preg_match('/' . preg_quote($fileName) . '(?:[_\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 = $numToUse;
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}
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}
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$content['file'] = $fileName . '_' . $count . '.php';
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}
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if ($this->Schema->write($content)) {
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$this->out(__d('cake_console', 'Schema file: %s generated', $content['file']));
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return $this->_stop();
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}
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$this->err(__d('cake_console', 'Schema file: %s generated'));
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return $this->_stop();
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}
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/**
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* Dump Schema object to sql file
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* Use the `write` param to enable and control SQL file output location.
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* Simply using -write will write the sql file to the same dir as the schema file.
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* If -write contains a full path name the file will be saved there. If -write only
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* contains no DS, that will be used as the file name, in the same dir as the schema file.
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*
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* @return string
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*/
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public function dump() {
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$write = false;
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$Schema = $this->Schema->load();
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if (!$Schema) {
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$this->err(__d('cake_console', 'Schema could not be loaded'));
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return $this->_stop();
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}
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if (!empty($this->params['write'])) {
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if ($this->params['write'] == 1) {
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$write = Inflector::underscore($this->Schema->name);
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} else {
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$write = $this->params['write'];
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}
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}
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$db = ConnectionManager::getDataSource($this->Schema->connection);
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$contents = "\n\n" . $db->dropSchema($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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$write .= '.sql';
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}
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if (strpos($write, DS) !== false) {
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$File = new File($write, true);
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} else {
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$File = new File($this->Schema->path . DS . $write, true);
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}
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if ($File->write($contents)) {
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$this->out(__d('cake_console', 'SQL dump file created in %s', $File->pwd()));
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return $this->_stop();
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}
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$this->err(__d('cake_console', 'SQL dump could not be created'));
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return $this->_stop();
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}
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$this->out($contents);
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return $contents;
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}
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/**
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* Run database create commands. Alias for run create.
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*
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* @return void
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*/
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public function create() {
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list($Schema, $table) = $this->_loadSchema();
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$this->_create($Schema, $table);
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}
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/**
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* Run database create commands. Alias for run create.
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*
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* @return void
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*/
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public function update() {
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list($Schema, $table) = $this->_loadSchema();
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$this->_update($Schema, $table);
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}
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/**
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* Prepares the Schema objects for database operations.
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*
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* @return void
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*/
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protected function _loadSchema() {
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$name = $plugin = null;
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if (!empty($this->params['name'])) {
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$name = $this->params['name'];
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}
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if (!empty($this->params['plugin'])) {
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$plugin = $this->params['plugin'];
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}
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if (!empty($this->params['dry'])) {
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$this->_dry = true;
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$this->out(__d('cake_console', 'Performing a dry run.'));
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}
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$options = array(
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'name' => $name,
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'plugin' => $plugin,
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'connection' => $this->params['connection'],
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);
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if (!empty($this->params['snapshot'])) {
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$fileName = basename($this->Schema->file, '.php');
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$options['file'] = $fileName . '_' . $this->params['snapshot'] . '.php';
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}
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$Schema = $this->Schema->load($options);
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if (!$Schema) {
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$this->err(__d('cake_console', '<error>Error</error>: The chosen schema could not be loaded. Attempted to load:'));
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$this->err(__d('cake_console', '- file: %s', $this->Schema->path . DS . $this->Schema->file));
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$this->err(__d('cake_console', '- name: %s', $this->Schema->name));
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return $this->_stop(2);
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}
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$table = null;
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if (isset($this->args[1])) {
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$table = $this->args[1];
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}
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return array(&$Schema, $table);
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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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* @param CakeSchema $Schema The schema instance to create.
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* @param string $table The table name.
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* @return void
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*/
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protected function _create(CakeSchema $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(__d('cake_console', 'Schema is up to date.'));
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return $this->_stop();
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}
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$this->out("\n" . __d('cake_console', 'The following table(s) will be dropped.'));
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$this->out(array_keys($drop));
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if (!empty($this->params['yes']) ||
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$this->in(__d('cake_console', 'Are you sure you want to drop the table(s)?'), array('y', 'n'), 'n') === 'y'
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) {
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$this->out(__d('cake_console', 'Dropping table(s).'));
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$this->_run($drop, 'drop', $Schema);
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}
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$this->out("\n" . __d('cake_console', 'The following table(s) will be created.'));
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$this->out(array_keys($create));
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if (!empty($this->params['yes']) ||
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$this->in(__d('cake_console', 'Are you sure you want to create the table(s)?'), array('y', 'n'), 'y') === 'y'
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) {
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$this->out(__d('cake_console', 'Creating table(s).'));
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$this->_run($create, 'create', $Schema);
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}
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$this->out(__d('cake_console', 'End create.'));
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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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* @param CakeSchema &$Schema The schema instance
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* @param string $table The table name.
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* @return void
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*/
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protected function _update(&$Schema, $table = null) {
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$db = ConnectionManager::getDataSource($this->Schema->connection);
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$this->out(__d('cake_console', 'Comparing Database to Schema...'));
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$options = array();
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if (isset($this->params['force'])) {
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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 => $changes) {
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if (isset($compare[$table]['create'])) {
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$contents[$table] = $db->createSchema($Schema, $table);
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} else {
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$contents[$table] = $db->alterSchema(array($table => $compare[$table]), $table);
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}
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}
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} elseif (isset($compare[$table])) {
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if (isset($compare[$table]['create'])) {
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$contents[$table] = $db->createSchema($Schema, $table);
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} else {
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$contents[$table] = $db->alterSchema(array($table => $compare[$table]), $table);
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}
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}
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if (empty($contents)) {
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$this->out(__d('cake_console', 'Schema is up to date.'));
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return $this->_stop();
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}
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$this->out("\n" . __d('cake_console', 'The following statements will run.'));
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$this->out(array_map('trim', $contents));
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if (!empty($this->params['yes']) ||
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$this->in(__d('cake_console', 'Are you sure you want to alter the tables?'), array('y', 'n'), 'n') === 'y'
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) {
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$this->out();
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$this->out(__d('cake_console', 'Updating Database...'));
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$this->_run($contents, 'update', $Schema);
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Configure::write('Cache.disable', false);
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Cache::clear(false, '_cake_model_');
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}
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$this->out(__d('cake_console', 'End update.'));
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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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* @param array $contents The contents to execute.
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* @param string $event The event to fire
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* @param CakeSchema $Schema The schema instance.
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* @return void
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*/
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protected function _run($contents, $event, CakeSchema $Schema) {
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if (empty($contents)) {
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$this->err(__d('cake_console', 'Sql could not be run'));
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return;
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}
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Configure::write('debug', 2);
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$db = ConnectionManager::getDataSource($this->Schema->connection);
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foreach ($contents as $table => $sql) {
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if (empty($sql)) {
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$this->out(__d('cake_console', '%s is up to date.', $table));
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} else {
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if ($this->_dry === true) {
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$this->out(__d('cake_console', 'Dry run for %s :', $table));
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$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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try {
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$db->execute($sql);
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} catch (PDOException $e) {
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$error = $table . ': ' . $e->getMessage();
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}
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$Schema->after(array($event => $table, 'errors' => $error));
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if (!empty($error)) {
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$this->err($error);
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} else {
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$this->out(__d('cake_console', '%s updated.', $table));
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}
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}
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}
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}
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}
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/**
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* Gets the option parser instance and configures it.
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*
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* @return ConsoleOptionParser
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*/
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public function getOptionParser() {
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$parser = parent::getOptionParser();
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$plugin = array(
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'short' => 'p',
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'help' => __d('cake_console', 'The plugin to use.'),
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);
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$connection = array(
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'short' => 'c',
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'help' => __d('cake_console', 'Set the db config to use.'),
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'default' => 'default'
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);
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$path = array(
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'help' => __d('cake_console', 'Path to read and write schema.php'),
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'default' => CONFIG . 'Schema'
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);
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$file = array(
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'help' => __d('cake_console', 'File name to read and write.'),
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);
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$name = array(
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'help' => __d('cake_console',
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'Classname to use. If its Plugin.class, both name and plugin options will be set.'
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)
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);
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$snapshot = array(
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'short' => 's',
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'help' => __d('cake_console', 'Snapshot number to use/make.')
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);
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$models = array(
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'short' => 'm',
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'help' => __d('cake_console', 'Specify models as comma separated list.'),
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);
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$dry = array(
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'help' => __d('cake_console',
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'Perform a dry run on create and update commands. Queries will be output instead of run.'
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),
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'boolean' => true
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);
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$force = array(
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'short' => 'f',
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'help' => __d('cake_console', 'Force "generate" to create a new schema'),
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'boolean' => true
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);
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$write = array(
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'help' => __d('cake_console', 'Write the dumped SQL to a file.')
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);
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$exclude = array(
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'help' => __d('cake_console', 'Tables to exclude as comma separated list.')
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);
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$yes = array(
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'short' => 'y',
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'help' => __d('cake_console', 'Do not prompt for confirmation. Be careful!'),
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'boolean' => true
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);
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$parser->description(
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__d('cake_console', 'The Schema Shell generates a schema object from the database and updates the database from the schema.')
|
|
)->addSubcommand('view', array(
|
|
'help' => __d('cake_console', 'Read and output the contents of a schema file'),
|
|
'parser' => array(
|
|
'options' => compact('plugin', 'path', 'file', 'name', 'connection'),
|
|
'arguments' => compact('name')
|
|
)
|
|
))->addSubcommand('generate', array(
|
|
'help' => __d('cake_console', 'Reads from --connection and writes to --path. Generate snapshots with -s'),
|
|
'parser' => array(
|
|
'options' => compact('plugin', 'path', 'file', 'name', 'connection', 'snapshot', 'force', 'models', 'exclude'),
|
|
'arguments' => array(
|
|
'snapshot' => array('help' => __d('cake_console', 'Generate a snapshot.'))
|
|
)
|
|
)
|
|
))->addSubcommand('dump', array(
|
|
'help' => __d('cake_console', 'Dump database SQL based on a schema file to stdout.'),
|
|
'parser' => array(
|
|
'options' => compact('plugin', 'path', 'file', 'name', 'connection', 'write'),
|
|
'arguments' => compact('name')
|
|
)
|
|
))->addSubcommand('create', array(
|
|
'help' => __d('cake_console', 'Drop and create tables based on the schema file.'),
|
|
'parser' => array(
|
|
'options' => compact('plugin', 'path', 'file', 'name', 'connection', 'dry', 'snapshot', 'yes'),
|
|
'args' => array(
|
|
'name' => array(
|
|
'help' => __d('cake_console', 'Name of schema to use.')
|
|
),
|
|
'table' => array(
|
|
'help' => __d('cake_console', 'Only create the specified table.')
|
|
)
|
|
)
|
|
)
|
|
))->addSubcommand('update', array(
|
|
'help' => __d('cake_console', 'Alter the tables based on the schema file.'),
|
|
'parser' => array(
|
|
'options' => compact('plugin', 'path', 'file', 'name', 'connection', 'dry', 'snapshot', 'force', 'yes'),
|
|
'args' => array(
|
|
'name' => array(
|
|
'help' => __d('cake_console', 'Name of schema to use.')
|
|
),
|
|
'table' => array(
|
|
'help' => __d('cake_console', 'Only create the specified table.')
|
|
)
|
|
)
|
|
)
|
|
));
|
|
|
|
return $parser;
|
|
}
|
|
|
|
}
|