SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 2)
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Identifier f32
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Identifier f64
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function generateRandom (children 1)
       ExpressionList (children 1)
        Literal \'f32 Float32, f64 Float64\'
   Literal UInt64_1