SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 4)
    Function toDecimal64 (alias x) (children 1)
     ExpressionList (children 2)
      Literal \'1.0\'
      Literal UInt64_2
    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