SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function cluster (children 1)
       ExpressionList (children 2)
        Identifier test_cluster_two_shards
        Function view (children 1)
         ExpressionList (children 1)
          SelectWithUnionQuery (children 1)
           ExpressionList (children 1)
            SelectQuery (children 1)
             ExpressionList (children 2)
              Literal \'Hello\' (alias all)
              Literal \'World\' (alias distinct)