Correctly handles insertions
Correctly handles insertions

The SQLSource doesn't try to return a table if this query didn't get
any.

Nikea/VisTrails,hjanime/VisTrails,Nikea/VisTrails,VisTrails/VisTrails,Nikea/VisTrails,minesense/VisTrails,celiafish/VisTrails,VisTrails/VisTrails,VisTrails/VisTrails,celiafish/VisTrails,Nikea/VisTrails,minesense/VisTrails,celiafish/VisTrails,hjanime/VisTrails,minesense/VisTrails,minesense/VisTrails,minesense/VisTrails,celiafish/VisTrails,hjanime/VisTrails,VisTrails/VisTrails,VisTrails/VisTrails,hjanime/VisTrails,hjanime/VisTrails