SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 4)
    Function toDecimal32 (alias x) (children 1)
     ExpressionList (children 2)
      Function pi (children 1)
       ExpressionList
      Literal UInt64_8
    Function round (children 1)
     ExpressionList (children 2)
      Function sin (children 1)
       ExpressionList (children 1)
        Identifier x
      Literal UInt64_8
    Function round (children 1)
     ExpressionList (children 2)
      Function cos (children 1)
       ExpressionList (children 1)
        Identifier x
      Literal UInt64_8
    Function round (children 1)
     ExpressionList (children 2)
      Function tan (children 1)
       ExpressionList (children 1)
        Identifier x
      Literal UInt64_8