If so, indeed the best way to do it is to add a hidden bit column, or an int column if you want to cheaply store changed flags for several columns.
metadata field refers to a specific instance pairing a metadata element to a value.
As with Item Importer, the idea behind the DSpace's simple archive format is to create an archive directory with a subdirectory per item.
class to identify files for deletion or one of the aliases (e.g.
ORIGINAL, ORIGINAL_AND_DERIVATIVES, TEXT, THUMBNAIL) which reference existing filters based on membership in a bundle of that name.
There are a few additional features added to this format specifically for Item Update.
Note that in the simple archive format, the item directories are merely local references and only used by Item Update in the log output.
The user is referred to the previous section DSpace Simple Archive Format.
Additionally, the use of a delete_contents is now available.
Is there a reason why do you want to use the Item Updated receiver specifically?