From 539dcb0b2968a2d83c16b42a20252011152f2e65 Mon Sep 17 00:00:00 2001
From: "Cloudmanic Labs, LLC" <github@cloudmanic.com>
Date: Sun, 18 Sep 2011 12:08:56 -0700
Subject: Added support to select the name of the database table you are going
 to use in Migrations

---
 application/config/migration.php | 13 +++++++++++++
 system/libraries/Migration.php   | 19 +++++++++++++------
 2 files changed, 26 insertions(+), 6 deletions(-)

diff --git a/application/config/migration.php b/application/config/migration.php
index dba870010..aca052d0c 100644
--- a/application/config/migration.php
+++ b/application/config/migration.php
@@ -11,6 +11,19 @@
 */
 $config['migration_enabled'] = FALSE;
 
+/*
+|--------------------------------------------------------------------------
+| Migrations table
+|--------------------------------------------------------------------------
+|
+| This is the name of the table that will store the current migrations state.
+| When migrations runs it will store in a database table which migration 
+| level the system is at. It then compares the migration level in the this
+| table to the $config['migration_version'] if they are not the same it
+| will migrate up. This must be set.
+|
+*/
+$config['migration_table'] = 'migrations';
 
 /*
 |--------------------------------------------------------------------------
diff --git a/system/libraries/Migration.php b/system/libraries/Migration.php
index 3734e18f5..682d90752 100644
--- a/system/libraries/Migration.php
+++ b/system/libraries/Migration.php
@@ -32,7 +32,8 @@ class CI_Migration {
 	protected $_migration_enabled = FALSE;
 	protected $_migration_path = NULL;
 	protected $_migration_version = 0;
-
+	protected $_migration_table = 'migrations';
+	
 	protected $_error_string = '';
 
 	public function __construct($config = array())
@@ -68,16 +69,22 @@ class CI_Migration {
 		// They'll probably be using dbforge
 		$this->load->dbforge();
 
+		// Make sure the migration table name was set.
+		if ( (! isset($this->_migration_table)) OR (empty($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));
 		}
 	}
 
@@ -299,7 +306,7 @@ 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 +321,7 @@ class CI_Migration {
 	 */
 	protected function _update_version($migrations)
 	{
-		return $this->db->update('migrations', array(
+		return $this->db->update($this->_migration_table, array(
 			'version' => $migrations
 		));
 	}
-- 
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