lucene-java-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Scott Smith <>
Subject RE: Lucene 4.0 delete by ID
Date Mon, 29 Oct 2012 20:19:37 GMT
I understand the issue of the lucene doc id changing.  I'll probably look to see if I can delete
stuff just based on some field that I have that I know won't change.  I've used the doc id
for a long time, but maybe it's time for a change.  

Thanks for all of the input.


-----Original Message-----
From: [] On Behalf Of Martijn v
Sent: Sunday, October 28, 2012 3:24 PM
Subject: Re: Lucene 4.0 delete by ID

A top level document ID can change over time. For that reason you shouldn't rely on it. However
if you know your index is stable or you keep track when a merge happes, you can use the IndexWriter#tryDeleteDocument
method to delete a document by Lucene id. Deleting a document via a IndexReader is no longer


On 27 October 2012 01:47, Mossaab Bagdouri <> wrote:
> Lucene document IDs are not stable. You could add a field with an ID 
> that you maintain. Your query would then be just a TermQuery on the ID.
> Regards,
> Mossaab
> 2012/10/26 Scott Smith <>
>> I'm currently converting some lucene code to 4.0.  It appears that 
>> you are no longer allowed to delete a document by its ID.  Is that 
>> correct?  Is my only option to figure some kind of query (which 
>> obviously isn't based on
>> ID) and do the delete from there?

Met vriendelijke groet,

Martijn van Groningen

To unsubscribe, e-mail:
For additional commands, e-mail:

To unsubscribe, e-mail:
For additional commands, e-mail:

View raw message