diff -r 30b840ed8c0e -r 822b7e3d064d src/main/java/de/uapcore/lightpit/dao/Functions.java
--- a/src/main/java/de/uapcore/lightpit/dao/Functions.java	Fri Oct 23 18:40:50 2020 +0200
+++ b/src/main/java/de/uapcore/lightpit/dao/Functions.java	Fri Oct 23 20:34:57 2020 +0200
@@ -39,6 +39,10 @@
  */
 public final class Functions {
 
+    public static String getSafeString(ResultSet rs, String column) throws SQLException {
+        return Optional.ofNullable(rs.getString(column)).orElse("");
+    }
+
     public static void setStringOrNull(PreparedStatement stmt, int index, String str) throws SQLException {
         if (str == null || str.isBlank()) {
             stmt.setNull(index, Types.VARCHAR);