Squashed commit of the following:

silvakid · silvakid · commit 5939bf334725 · 2018-03-12T22:36:12.000Z
commit 91403719ba90fb61ae07ff85339fe8e8c48620cb
Author: Luís Silva &lt;luis.m.silva@oracle.com&gt;
Date:   Fri Feb 23 10:48:42 2018 +0000

    Use latest jdbc sources

commit f7f6b848905cfd171ca8087e22652325b6cdd52d
Author: Luís Silva &lt;luis.m.silva@oracle.com&gt;
Date:   Thu Feb 22 18:11:58 2018 +0000

    Update JDBC code
diff --git a/jdbc b/jdbc
@@ -1 +1 @@
-Subproject commit 714d9a71f587a643dcd91b36d473ad278ec14dfd
+Subproject commit dec48bea537c1053fd193f5c1c2cd12d96eacfa9
