SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function mapAll (children 1)
     ExpressionList (children 2)
      Function lambda (children 1)
       ExpressionList (children 2)
        Function tuple (children 1)
         ExpressionList (children 2)
          Identifier k
          Identifier v
        Function equals (children 1)
         ExpressionList (children 2)
          Identifier k
          Function CAST (children 1)
           ExpressionList (children 2)
            Literal \'0.1\'
            Literal \'Float32\'
      Function map (children 1)
       ExpressionList (children 4)
        Function CAST (children 1)
         ExpressionList (children 2)
          Literal \'0.1\'
          Literal \'Float32\'
        Literal UInt64_4
        Function CAST (children 1)
         ExpressionList (children 2)
          Literal \'0.2\'
          Literal \'Float32\'
        Literal UInt64_5