Issue 354: when using the multi-threaded kernel option, and multiple threads…

Issue 354: when using the multi-threaded kernel option, and multiple threads concurrently prepared SQL statements that use the same view or the same index of a view, then in some cases an infinite loop could occur.

h2/src/test/org/h2/test/db/TestMultiThread.java

@@ -58,6 +58,9 @@ public class TestMultiThread extends TestBase implements Runnable {
     }
 
     private void testConcurrentView() throws Exception {
+        if (config.mvcc) {
+            return;
+        }
         String db = "concurrentView";
         deleteDb(db);
         final String url = getURL(db + ";MULTI_THREADED=1", true);