AppDbUpdater: Update db version to 16

Elwig/Helpers/AppDbUpdater.cs

@@ -9,7 +9,7 @@ namespace Elwig.Helpers {
     public static class AppDbUpdater {
 
         // Don't forget to update value in Tests/fetch-resources.bat!
-        public static readonly int RequiredSchemaVersion = 15;
+        public static readonly int RequiredSchemaVersion = 16;
 
         private static int VersionOffset = 0;
 

Elwig/Resources/Sql/15-16.sql

@@ -0,0 +1,9 @@
+-- schema version 15 to 16
+
+INSERT INTO AT_plz_dest (plz, okz, dest)
+VALUES (2560,  3388, 'Grillenberg');
+
+DELETE FROM AT_plz_dest WHERE (plz, okz) = (2561, 3388);
+
+UPDATE AT_ort SET kgnr = 23351 WHERE okz = 5280;
+UPDATE AT_ort SET kgnr = 4311 WHERE okz = 3388;