Why do you care? That is, what do you want to accomplish that makes document ID renumbering relevant?
In general, it is unwise to rely on Lucene-assigned document IDs. If you need an invariant document ID, assign it yourself. If this is off base, could you supply your use-case? Best Erick On Thu, May 13, 2010 at 9:38 PM, Nigel <nigelspl...@gmail.com> wrote: > The FAQ clearly states that document IDs will not be re-assigned unless > something was deleted. > > http://wiki.apache.org/lucene-java/LuceneFAQ#When_is_it_possible_for_document_IDs_to_change.3F > > However, a number of other emails and posts I've read mention that > renumbering occurs when segments are merged. Maybe what people mean > is simply that when something is deleted, nothing is immediately > renumbered, > and it's not until merge time that the renumbering happens. (This is my > understanding of how it works.) > > Just so I'm 100% clear, if I never delete anything, will the IDs ever > change? > > Thanks, > Chris >
