1 files changed, 2 insertions, 2 deletions
diff --git a/include/SQL.h b/include/SQL.h
index 4d794d5..120d022 100644
--- a/include/SQL.h
+++ b/include/SQL.h
@@ -9,9 +9,9 @@ typedef std::map<String, String> AssocArray;
 
 class SQLConnection : public Base {
   public:
-      SQLConnection(String host, String user, String passwd, String db, int port = 3306, String socket = "", unsigned long clags = 0) throw (GeneralException);
+      SQLConnection(const String & host, const String & user, const String & passwd, const String & db, int port = 3306, const String & socket = "", unsigned long clags = 0) throw (GeneralException);
       ~SQLConnection();
-    int query(String);
+    int query(const String &);
     int numrows();
     int numfields();
     AssocArray fetchrow();