gistfile1.sh

$ utils/roqet 
Rasqal RDF query utility 0.9.29 GIT 4c2eadf209c7ec13e5ec2e2835a5baef3b7a1503
Rasqal home page: http://librdf.org/rasqal/
Copyright (C) 2003-2011 David Beckett - http://www.dajobe.org/
Copyright (C) 2003-2005 University of Bristol - http://www.bristol.ac.uk/
License: LGPL 2.1 or newer, GPL 2 or newer, Apache 2.0 or newer.
See http://librdf.org/rasqal/LICENSE.html for full terms.

Try `roqet --help' for more information.

$ utils/roqet -d debug -e 'SELECT * WHERE { {} UNION {} }'  2>/dev/nullquery verb: SELECT
data graphs: []
named variables: []
anonymous variables: []
triples: []
prefixes: []
query graph pattern: graph pattern[0] Union(over 2 graph patterns[
    graph pattern[1] Group(over 0 graph patterns[
        
      ]
    ) ,
    graph pattern[2] Group(over 0 graph patterns[
        
      ]
    )
  ]
)
result: []
result: []