SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 2)
    Function cityHash64 (children 1)
     ExpressionList (children 1)
      Function array (alias c) (children 1)
       ExpressionList (children 2)
        Function tuple (children 1)
         ExpressionList (children 2)
          Literal UInt64_1
          Function array (children 1)
           ExpressionList (children 1)
            Function tuple (children 1)
             ExpressionList (children 2)
              Literal UInt64_1
              Function tuple (children 1)
               ExpressionList (children 3)
                Literal UInt64_3
                Literal UInt64_4
                Function array (children 1)
                 ExpressionList (children 2)
                  Literal Tuple_(UInt64_5, UInt64_6)
                  Literal Tuple_(UInt64_7, UInt64_8)
        Function tuple (children 1)
         ExpressionList (children 2)
          Literal UInt64_2
          Function array (children 1)
           ExpressionList
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Identifier c