vte.addVirtualTableGeometry(vtGeom);
vte.addVirtualTableParameter(vtParam1);
vte.addVirtualTableParameter(vtParam2);
// modif the vte
vte.delVirtualTableGeometry("the_geom");
vte.addVirtualTableGeometry("the_geom", "MultiPolygon", "4326");
final VTParameterEncoder vtParam3 = new VTParameterEncoder("state", "FL", "^[\\w\\d\\s]+$");
vte.addVirtualTableParameter(vtParam3);
vte.addKeyColumn("gid");