SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function sum (children 1)
     ExpressionList (children 1)
      Identifier id
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function icebergS3Cluster (children 1)
       ExpressionList (children 3)
        Literal \'test_cluster_two_shards_localhost\'
        Identifier s3_conn
        Function equals (children 1)
         ExpressionList (children 2)
          Identifier filename
          Literal \'deletes_db/eq_deletes_table\'
