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)
        Literal \'
\'
      Function toUInt64 (children 1)
       ExpressionList (children 1)
        Literal UInt64_9962287286179718960