SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function equals (children 1)
     ExpressionList (children 2)
      Function xxHash32 (children 1)
       ExpressionList (children 1)
        Function toUInt16 (children 1)
         ExpressionList (children 1)
          Literal UInt64_2
      Function toUInt32 (children 1)
       ExpressionList (children 1)
        Literal UInt64_332955956