SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function equals (children 1)
     ExpressionList (children 2)
      Function xxHash64 (children 1)
       ExpressionList (children 1)
        Function toUInt16 (children 1)
         ExpressionList (children 1)
          Literal UInt64_2
      Function toUInt64 (children 1)
       ExpressionList (children 1)
        Literal UInt64_6482051057365497128