diff --git a/model/Database.php b/model/Database.php
index b82887d7d..a223d16e4 100755
--- a/model/Database.php
+++ b/model/Database.php
@@ -141,6 +141,14 @@ abstract class SS_Database {
 	 */
 	abstract function enumValuesForField($tableName, $fieldName);
 	
+	/**
+	 * Returns an escaped string.
+	 *
+	 * @param string
+	 * @return string - escaped string
+	 */
+	abstract function addslashes($val);
+	
 	/**
 	 * The table list, generated by the tableList() function.
 	 * Used by the requireTable() function.