ResultSet
result variable: b
result variable: y
size: 4
solution: ResultSolution
  binding: ResultBinding
    variable: b
  binding: ResultBinding
    variable: y
    value: 11
solution: ResultSolution
  binding: ResultBinding
    variable: b
  binding: ResultBinding
    variable: y
    value: 12
solution: ResultSolution
  binding: ResultBinding
    variable: b
    value: bag
  binding: ResultBinding
    variable: y
    value: 21
solution: ResultSolution
  binding: ResultBinding
    variable: b
    value: bag
  binding: ResultBinding
    variable: y
    value: 22