SET LOG 2 was not effective if executed after opening the database.

h2/src/main/org/h2/engine/Database.java

@@ -1857,6 +1857,7 @@ public class Database implements DataHandler {
         if (fileIndex != null) {
             fileIndex.setLogChanges(logIndex);
         }
+        logIndexChanges = logIndex;
         if (log != null) {
             log.setDisabled(!logData);
             log.checkpoint();