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-rw-r--r--system/libraries/Migration.php71
1 files changed, 50 insertions, 21 deletions
diff --git a/system/libraries/Migration.php b/system/libraries/Migration.php
index 3734e18f5..94961b568 100644
--- a/system/libraries/Migration.php
+++ b/system/libraries/Migration.php
@@ -1,15 +1,27 @@
-<?php defined('BASEPATH') OR exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
* @package CodeIgniter
* @author EllisLab Dev Team
- * @copyright Copyright (c) 2006 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @copyright Copyright (c) 2006 - 2011, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
- * @since Version 1.0
+ * @since Version 3.0
* @filesource
*/
@@ -32,6 +44,8 @@ class CI_Migration {
protected $_migration_enabled = FALSE;
protected $_migration_path = NULL;
protected $_migration_version = 0;
+ protected $_migration_table = 'migrations';
+ protected $_migration_auto_latest = FALSE;
protected $_error_string = '';
@@ -57,7 +71,7 @@ class CI_Migration {
}
// If not set, set it
- $this->_migration_path == '' AND $this->_migration_path = APPPATH . 'migrations/';
+ $this->_migration_path == '' AND $this->_migration_path = APPPATH.'migrations/';
// Add trailing slash if not set
$this->_migration_path = rtrim($this->_migration_path, '/').'/';
@@ -68,16 +82,31 @@ class CI_Migration {
// They'll probably be using dbforge
$this->load->dbforge();
+ // Make sure the migration table name was set.
+ if (empty($this->_migration_table))
+ {
+ show_error('Migrations configuration file (migration.php) must have "migration_table" set.');
+ }
+
// If the migrations table is missing, make it
- if ( ! $this->db->table_exists('migrations'))
+ if ( ! $this->db->table_exists($this->_migration_table))
{
$this->dbforge->add_field(array(
'version' => array('type' => 'INT', 'constraint' => 3),
));
- $this->dbforge->create_table('migrations', TRUE);
+ $this->dbforge->create_table($this->_migration_table, TRUE);
- $this->db->insert('migrations', array('version' => 0));
+ $this->db->insert($this->_migration_table, array('version' => 0));
+ }
+
+ // Do we auto migrate to the latest migration?
+ if ($this->_migration_auto_latest == TRUE)
+ {
+ if ( ! $this->latest() )
+ {
+ show_error($this->error_string());
+ }
}
}
@@ -111,7 +140,7 @@ class CI_Migration {
// Moving Down
$step = -1;
}
-
+
$method = $step === 1 ? 'up' : 'down';
$migrations = array();
@@ -119,7 +148,7 @@ class CI_Migration {
// But first let's make sure that everything is the way it should be
for ($i = $start; $i != $stop; $i += $step)
{
- $f = glob(sprintf($this->_migration_path . '%03d_*.php', $i));
+ $f = glob(sprintf($this->_migration_path.'%03d_*.php', $i));
// Only one migration per step is permitted
if (count($f) > 1)
@@ -160,7 +189,7 @@ class CI_Migration {
}
include $f[0];
- $class = 'Migration_' . ucfirst($match[1]);
+ $class = 'Migration_'.ucfirst($match[1]);
if ( ! class_exists($class))
{
@@ -183,7 +212,7 @@ class CI_Migration {
}
}
- log_message('debug', 'Current migration: ' . $current_version);
+ log_message('debug', 'Current migration: '.$current_version);
$version = $i + ($step == 1 ? -1 : 0);
@@ -193,13 +222,13 @@ class CI_Migration {
return TRUE;
}
- log_message('debug', 'Migrating from ' . $method . ' to version ' . $version);
+ log_message('debug', 'Migrating from '.$method.' to version '.$version);
// Loop through the migrations
foreach ($migrations AS $migration)
{
// Run the migration class
- $class = 'Migration_' . ucfirst(strtolower($migration));
+ $class = 'Migration_'.ucfirst(strtolower($migration));
call_user_func(array(new $class, $method));
$current_version += $step;
@@ -223,12 +252,12 @@ class CI_Migration {
{
if ( ! $migrations = $this->find_migrations())
{
- $this->_error_string = $this->line->lang('migration_none_found');
+ $this->_error_string = $this->lang->line('migration_none_found');
return false;
}
$last_migration = basename(end($migrations));
-
+
// Calculate the last migration step from existing migration
// filenames and procceed to the standard version migration
return $this->version((int) substr($last_migration, 0, 3));
@@ -271,9 +300,9 @@ class CI_Migration {
protected function find_migrations()
{
// Load all *_*.php files in the migrations path
- $files = glob($this->_migration_path . '*_*.php');
+ $files = glob($this->_migration_path.'*_*.php');
$file_count = count($files);
-
+
for ($i = 0; $i < $file_count; $i++)
{
// Mark wrongly formatted files as false for later filtering
@@ -283,7 +312,7 @@ class CI_Migration {
$files[$i] = FALSE;
}
}
-
+
sort($files);
return $files;
@@ -299,7 +328,7 @@ class CI_Migration {
*/
protected function _get_version()
{
- $row = $this->db->get('migrations')->row();
+ $row = $this->db->get($this->_migration_table)->row();
return $row ? $row->version : 0;
}
@@ -314,7 +343,7 @@ class CI_Migration {
*/
protected function _update_version($migrations)
{
- return $this->db->update('migrations', array(
+ return $this->db->update($this->_migration_table, array(
'version' => $migrations
));
}