Added a default _delete() method to CI_DB_active_record
diff --git a/system/database/DB_active_rec.php b/system/database/DB_active_rec.php
index f921107..a5df7f3 100644
--- a/system/database/DB_active_rec.php
+++ b/system/database/DB_active_rec.php
@@ -1873,6 +1873,31 @@
// --------------------------------------------------------------------
/**
+ * Delete statement
+ *
+ * Generates a platform-specific delete string from the supplied data
+ *
+ * @param string the table name
+ * @param array the where clause
+ * @param array the like clause
+ * @param string the limit clause
+ * @return string
+ */
+ protected function _delete($table, $where = array(), $like = array(), $limit = FALSE)
+ {
+ $conditions = array();
+
+ empty($where) OR $conditions[] = implode(' ', $where);
+ empty($like) OR $conditions[] = implode(' ', $like);
+
+ return 'DELETE FROM '.$table
+ .(count($conditions) > 0 ? ' WHERE '.implode(' AND ', $conditions) : '')
+ .($limit ? ' LIMIT '.$limit : '');
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
* DB Prefix
*
* Prepends a database prefix if one exists in configuration