It fixes the issue that one could not call getXXX on a result set
on which next() method was never called before.

Change-Id: I972bb9d475d192a14ba1534dcbdac81c20f211d0
Reviewed-on: https://gerrit.libreoffice.org/66404
Tested-by: Jenkins
Reviewed-by: Tamás Bunth <btomi96@gmail.com>