SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 7)
    Literal Float64_nan (alias x)
    Function sin (children 1)
     ExpressionList (children 1)
      Identifier x
    Function cos (children 1)
     ExpressionList (children 1)
      Identifier x
    Function tan (children 1)
     ExpressionList (children 1)
      Identifier x
    Function asin (children 1)
     ExpressionList (children 1)
      Identifier x
    Function acos (children 1)
     ExpressionList (children 1)
      Identifier x
    Function atan (children 1)
     ExpressionList (children 1)
      Identifier x