Add comment regarding foreign and associated keys in eloquent.

2011-07-20 09:53:05 -07:00
parent dd729886f5
commit 2b132512e8
1 changed files with 2 additions and 0 deletions
--- a/system/db/eloquent.php
+++ b/system/db/eloquent.php
@@ -285,6 +285,8 @@ abstract class Eloquent {
 			$this->relating_table = $table;
 		}

+		// Allowing the overriding of the foreign and associated keys provides the flexibility for
+		// self-referential many-to-many relationships, such as a "buddy list".
 		$this->relating_key = (is_null($foreign_key)) ? strtolower(get_class($this)).'_id' : $foreign_key;

 		$associated_key = (is_null($associated_key)) ? strtolower($model).'_id' : $associated_key;