SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 2)
    Function CAST (children 1)
     ExpressionList (children 2)
      Literal Float64_1.9
      Literal \'Int64\'
    Function CAST (children 1)
     ExpressionList (children 2)
      Literal Float64_-1.9
      Literal \'Int64\'
