If all you want is to flag a document "dirty" you could hash the
fields in the document and and check for an update.
On Sun, Jan 31, 2010 at 11:51 AM, Robert Koberg <r...@koberg.com> wrote:
> Hi,
>
> Just coming back to Lucene after a few years.
>
> Is there some convenient way to compare Lucene Documents?
>
> I want to check if I should update a document based on whether field values
> have changed and whether fields have been added or removed.
>
> Is it as simple as:
>
> newDoc.equals(oldDoc)
>
> ?
>
> I don't need to create the newDoc first, so I could compare by field. I am
> creating Fields like so:
>
> new Field("modified", modified, Field.Store.YES, Field.Index.NOT_ANALYZED)
>
> So, would it be better to:
> * check oldDoc's fields count against the to be created documents desired
> fields count, and
> * loop through the fields and compare values
>
> ?
>
> Is there a better way to create Fields and/or Documents for this type of
> thing?
>
> thanks,
> -Rob
>
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org
> For additional commands, e-mail: java-user-h...@lucene.apache.org
>
>
---------------------------------------------------------------------
To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org
For additional commands, e-mail: java-user-h...@lucene.apache.org
