-- { echoOn }
SELECT
    cutURLParameter('http://bigmir.net/?a=b&c=d', []),
    cutURLParameter('http://bigmir.net/?a=b&c=d', ['a']),
    cutURLParameter('http://bigmir.net/?a=b&c=d', ['a', 'c']),
    cutURLParameter('http://bigmir.net/?a=b&c=d', ['c']),
    cutURLParameter('http://bigmir.net/?a=b&c=d#e=f', ['a', 'e']),
    cutURLParameter('http://bigmir.net/?a&c=d#e=f', ['c', 'e']),
    cutURLParameter('http://bigmir.net/?a&c=d#e=f', ['e']),
    cutURLParameter('http://bigmir.net/?a=b&c=d#e=f&g=h', ['b', 'g']),
    cutURLParameter('http://bigmir.net/?a=b&c=d#e', ['a', 'e']),
    cutURLParameter('http://bigmir.net/?a=b&c=d#e&g=h', ['c', 'g']),
    cutURLParameter('http://bigmir.net/?a=b&c=d#e&g=h', ['e', 'g']),
    cutURLParameter('http://bigmir.net/?a=b&c=d#test?e=f&g=h', ['test', 'e']),
    cutURLParameter('http://bigmir.net/?a=b&c=d#test?e=f&g=h', ['test', 'g']),
    cutURLParameter('//bigmir.net/?a=b&c=d', []),
    cutURLParameter('//bigmir.net/?a=b&c=d', ['a']),
    cutURLParameter('//bigmir.net/?a=b&c=d', ['a', 'c']),
    cutURLParameter('//bigmir.net/?a=b&c=d#e=f', ['a', 'e']),
    cutURLParameter('//bigmir.net/?a&c=d#e=f', ['a']),
    cutURLParameter('//bigmir.net/?a&c=d#e=f', ['a', 'c']),
    cutURLParameter('//bigmir.net/?a&c=d#e=f', ['a', 'e']),
    cutURLParameter('//bigmir.net/?a=b&c=d#e=f&g=h', ['c', 'g']),
    cutURLParameter('//bigmir.net/?a=b&c=d#e', ['a', 'c']),
    cutURLParameter('//bigmir.net/?a=b&c=d#e', ['a', 'e']),
    cutURLParameter('//bigmir.net/?a=b&c=d#e&g=h', ['c', 'e']),
    cutURLParameter('//bigmir.net/?a=b&c=d#e&g=h', ['e', 'g']),
    cutURLParameter('//bigmir.net/?a=b&c=d#test?e=f&g=h', ['test', 'e']),
    cutURLParameter('//bigmir.net/?a=b&c=d#test?e=f&g=h', ['test', 'g'])
    FORMAT Vertical;
Row 1:
──────
cutURLParameter('http://bigmir.net/?a=b&c=d', array()):                    http://bigmir.net/?a=b&c=d
cutURLParameter('http://bigmir.net/?a=b&c=d', ['a']):                      http://bigmir.net/?c=d
cutURLParameter('http://bigmir.net/?a=b&c=d', ['a', 'c']):                 http://bigmir.net/?
cutURLParameter('http://bigmir.net/?a=b&c=d', ['c']):                      http://bigmir.net/?a=b
cutURLParameter('http://bigmir.net/?a=b&c=d#e=f', ['a', 'e']):             http://bigmir.net/?c=d#
cutURLParameter('http://bigmir.net/?a&c=d#e=f', ['c', 'e']):               http://bigmir.net/?a#
cutURLParameter('http://bigmir.net/?a&c=d#e=f', ['e']):                    http://bigmir.net/?a&c=d#
cutURLParameter('http://bigmir.net/?a=b&c=d#e=f&g=h', ['b', 'g']):         http://bigmir.net/?a=b&c=d#e=f
cutURLParameter('http://bigmir.net/?a=b&c=d#e', ['a', 'e']):               http://bigmir.net/?c=d#e
cutURLParameter('http://bigmir.net/?a=b&c=d#e&g=h', ['c', 'g']):           http://bigmir.net/?a=b#e
cutURLParameter('http://bigmir.net/?a=b&c=d#e&g=h', ['e', 'g']):           http://bigmir.net/?a=b&c=d#e
cutURLParameter('http://bigmir.net/?a=b&c=d#test?e=f&g=h', ['test', 'e']): http://bigmir.net/?a=b&c=d#test?g=h
cutURLParameter('http://bigmir.net/?a=b&c=d#test?e=f&g=h', ['test', 'g']): http://bigmir.net/?a=b&c=d#test?e=f
cutURLParameter('//bigmir.net/?a=b&c=d', array()):                         //bigmir.net/?a=b&c=d
cutURLParameter('//bigmir.net/?a=b&c=d', ['a']):                           //bigmir.net/?c=d
cutURLParameter('//bigmir.net/?a=b&c=d', ['a', 'c']):                      //bigmir.net/?
cutURLParameter('//bigmir.net/?a=b&c=d#e=f', ['a', 'e']):                  //bigmir.net/?c=d#
cutURLParameter('//bigmir.net/?a&c=d#e=f', ['a']):                         //bigmir.net/?a&c=d#e=f
cutURLParameter('//bigmir.net/?a&c=d#e=f', ['a', 'c']):                    //bigmir.net/?a#e=f
cutURLParameter('//bigmir.net/?a&c=d#e=f', ['a', 'e']):                    //bigmir.net/?a&c=d#
cutURLParameter('//bigmir.net/?a=b&c=d#e=f&g=h', ['c', 'g']):              //bigmir.net/?a=b#e=f
cutURLParameter('//bigmir.net/?a=b&c=d#e', ['a', 'c']):                    //bigmir.net/?#e
cutURLParameter('//bigmir.net/?a=b&c=d#e', ['a', 'e']):                    //bigmir.net/?c=d#e
cutURLParameter('//bigmir.net/?a=b&c=d#e&g=h', ['c', 'e']):                //bigmir.net/?a=b#e&g=h
cutURLParameter('//bigmir.net/?a=b&c=d#e&g=h', ['e', 'g']):                //bigmir.net/?a=b&c=d#e
cutURLParameter('//bigmir.net/?a=b&c=d#test?e=f&g=h', ['test', 'e']):      //bigmir.net/?a=b&c=d#test?g=h
cutURLParameter('//bigmir.net/?a=b&c=d#test?e=f&g=h', ['test', 'g']):      //bigmir.net/?a=b&c=d#test?e=f
SELECT
    cutURLParameter(materialize('http://bigmir.net/?a=b&c=d'), []),
    cutURLParameter(materialize('http://bigmir.net/?a=b&c=d'), ['a']),
    cutURLParameter(materialize('http://bigmir.net/?a=b&c=d'), ['a', 'c']),
    cutURLParameter(materialize('http://bigmir.net/?a=b&c=d'), ['c']),
    cutURLParameter(materialize('http://bigmir.net/?a=b&c=d#e=f'), ['a', 'e']),
    cutURLParameter(materialize('http://bigmir.net/?a&c=d#e=f'), ['c', 'e']),
    cutURLParameter(materialize('http://bigmir.net/?a&c=d#e=f'), ['e']),
    cutURLParameter(materialize('http://bigmir.net/?a=b&c=d#e=f&g=h'), ['b', 'g']),
    cutURLParameter(materialize('http://bigmir.net/?a=b&c=d#e'), ['a', 'e']),
    cutURLParameter(materialize('http://bigmir.net/?a=b&c=d#e&g=h'), ['c', 'g']),
    cutURLParameter(materialize('http://bigmir.net/?a=b&c=d#e&g=h'), ['e', 'g']),
    cutURLParameter(materialize('http://bigmir.net/?a=b&c=d#test?e=f&g=h'), ['test', 'e']),
    cutURLParameter(materialize('http://bigmir.net/?a=b&c=d#test?e=f&g=h'), ['test', 'g']),
    cutURLParameter(materialize('//bigmir.net/?a=b&c=d'), []),
    cutURLParameter(materialize('//bigmir.net/?a=b&c=d'), ['a']),
    cutURLParameter(materialize('//bigmir.net/?a=b&c=d'), ['a', 'c']),
    cutURLParameter(materialize('//bigmir.net/?a=b&c=d#e=f'), ['a', 'e']),
    cutURLParameter(materialize('//bigmir.net/?a&c=d#e=f'), ['a']),
    cutURLParameter(materialize('//bigmir.net/?a&c=d#e=f'), ['a', 'c']),
    cutURLParameter(materialize('//bigmir.net/?a&c=d#e=f'), ['a', 'e']),
    cutURLParameter(materialize('//bigmir.net/?a=b&c=d#e=f&g=h'), ['c', 'g']),
    cutURLParameter(materialize('//bigmir.net/?a=b&c=d#e'), ['a', 'c']),
    cutURLParameter(materialize('//bigmir.net/?a=b&c=d#e'), ['a', 'e']),
    cutURLParameter(materialize('//bigmir.net/?a=b&c=d#e&g=h'), ['c', 'e']),
    cutURLParameter(materialize('//bigmir.net/?a=b&c=d#e&g=h'), ['e', 'g']),
    cutURLParameter(materialize('//bigmir.net/?a=b&c=d#test?e=f&g=h'), ['test', 'e']),
    cutURLParameter(materialize('//bigmir.net/?a=b&c=d#test?e=f&g=h'), ['test', 'g'])
    FORMAT Vertical;
Row 1:
──────
cutURLParameter(materialize('http://bigmir.net/?a=b&c=d'), array()):                    http://bigmir.net/?a=b&c=d
cutURLParameter(materialize('http://bigmir.net/?a=b&c=d'), ['a']):                      http://bigmir.net/?c=d
cutURLParameter(materialize('http://bigmir.net/?a=b&c=d'), ['a', 'c']):                 http://bigmir.net/?
cutURLParameter(materialize('http://bigmir.net/?a=b&c=d'), ['c']):                      http://bigmir.net/?a=b
cutURLParameter(materialize('http://bigmir.net/?a=b&c=d#e=f'), ['a', 'e']):             http://bigmir.net/?c=d#
cutURLParameter(materialize('http://bigmir.net/?a&c=d#e=f'), ['c', 'e']):               http://bigmir.net/?a#
cutURLParameter(materialize('http://bigmir.net/?a&c=d#e=f'), ['e']):                    http://bigmir.net/?a&c=d#
cutURLParameter(materialize('http://bigmir.net/?a=b&c=d#e=f&g=h'), ['b', 'g']):         http://bigmir.net/?a=b&c=d#e=f
cutURLParameter(materialize('http://bigmir.net/?a=b&c=d#e'), ['a', 'e']):               http://bigmir.net/?c=d#e
cutURLParameter(materialize('http://bigmir.net/?a=b&c=d#e&g=h'), ['c', 'g']):           http://bigmir.net/?a=b#e
cutURLParameter(materialize('http://bigmir.net/?a=b&c=d#e&g=h'), ['e', 'g']):           http://bigmir.net/?a=b&c=d#e
cutURLParameter(materialize('http://bigmir.net/?a=b&c=d#test?e=f&g=h'), ['test', 'e']): http://bigmir.net/?a=b&c=d#test?g=h
cutURLParameter(materialize('http://bigmir.net/?a=b&c=d#test?e=f&g=h'), ['test', 'g']): http://bigmir.net/?a=b&c=d#test?e=f
cutURLParameter(materialize('//bigmir.net/?a=b&c=d'), array()):                         //bigmir.net/?a=b&c=d
cutURLParameter(materialize('//bigmir.net/?a=b&c=d'), ['a']):                           //bigmir.net/?c=d
cutURLParameter(materialize('//bigmir.net/?a=b&c=d'), ['a', 'c']):                      //bigmir.net/?
cutURLParameter(materialize('//bigmir.net/?a=b&c=d#e=f'), ['a', 'e']):                  //bigmir.net/?c=d#
cutURLParameter(materialize('//bigmir.net/?a&c=d#e=f'), ['a']):                         //bigmir.net/?a&c=d#e=f
cutURLParameter(materialize('//bigmir.net/?a&c=d#e=f'), ['a', 'c']):                    //bigmir.net/?a#e=f
cutURLParameter(materialize('//bigmir.net/?a&c=d#e=f'), ['a', 'e']):                    //bigmir.net/?a&c=d#
cutURLParameter(materialize('//bigmir.net/?a=b&c=d#e=f&g=h'), ['c', 'g']):              //bigmir.net/?a=b#e=f
cutURLParameter(materialize('//bigmir.net/?a=b&c=d#e'), ['a', 'c']):                    //bigmir.net/?#e
cutURLParameter(materialize('//bigmir.net/?a=b&c=d#e'), ['a', 'e']):                    //bigmir.net/?c=d#e
cutURLParameter(materialize('//bigmir.net/?a=b&c=d#e&g=h'), ['c', 'e']):                //bigmir.net/?a=b#e&g=h
cutURLParameter(materialize('//bigmir.net/?a=b&c=d#e&g=h'), ['e', 'g']):                //bigmir.net/?a=b&c=d#e
cutURLParameter(materialize('//bigmir.net/?a=b&c=d#test?e=f&g=h'), ['test', 'e']):      //bigmir.net/?a=b&c=d#test?g=h
cutURLParameter(materialize('//bigmir.net/?a=b&c=d#test?e=f&g=h'), ['test', 'g']):      //bigmir.net/?a=b&c=d#test?e=f