MongoDB::UpdateResult - MongoDB update result object

matched_count
       The number of documents that matched the filter.

   modified_count
       The number of documents that were modified.  Note: this is only available from MongoDB version 2.6 or
       later.  It will return "undef" from earlier servers.

       You can call "has_modified_count" to find out if this attribute is defined or not.

   upserted_id
       The identifier of the inserted document if an upsert took place.  If no upsert took place, it returns
       "undef".

       •   David Golden <david@mongodb.com>

       •   Rassi <rassi@mongodb.com>

       •   Mike Friedman <friedo@friedo.com>

       •   Kristina Chodorow <k.chodorow@gmail.com>

       •   Florian Ragwitz <rafl@debian.org>

       This software is Copyright (c) 2020 by MongoDB, Inc.

       This is free software, licensed under:

         The Apache License, Version 2.0, January 2004

perl v5.40.1                                       2025-04-03                         MongoDB::UpdateResult(3pm)

       This class encapsulates the results from an update or replace operations.

acknowledged
       Indicates whether this write result was acknowledged.  Always true for this class.

   assert
       Throws an error if write errors or write concern errors occurred.  Otherwise, returns the invocant.

   assert_no_write_error
       Throws a MongoDB::WriteError if write errors occurred.  Otherwise, returns the invocant.

   assert_no_write_concern_error
       Throws a MongoDB::WriteConcernError if write concern errors occurred.  Otherwise, returns the invocant.

       MongoDB::UpdateResult - MongoDB update result object

           my $result = $coll->update( @parameters );

           if ( $result->acknowledged ) {
               ...
           }

       version v2.2.2