Re: Creating a new index from an existing index

2006-08-30 Thread Xiaocheng Luan
Thanks Erick, it looks like we'll have to recreate from the sources ... Erick Erickson <[EMAIL PROTECTED]> wrote: This just in from the thread "*Re-created fields consistently indexed" *Erik Hatcher replied as below, and believe me, Erik knows waay more about this than I do . On Aug 30

Re: Creating a new index from an existing index

2006-08-30 Thread Erick Erickson
This just in from the thread "*Re-created fields consistently indexed" *Erik Hatcher replied as below, and believe me, Erik knows waay more about this than I do . On Aug 30, 2006, at 11:07 AM, Jason Polites wrote: I understand that it is possible to "re-create" fields which are indexed

Re: Creating a new index from an existing index

2006-08-30 Thread Erick Erickson
Well, assuming you can get all the information you need out of your index, you really only have two choices that I see. 1> iterate through your documents and delete and re-add each document to that same index. 2> iterate through your documents and add the doc to a *new* index, then replace your ol

Re: Creating a new index from an existing index

2006-08-29 Thread Xiaocheng Luan
Thanks, Erick. I agree that it might be unlikely to reconstruct from an existing index, but I think document boosting (that is, one document has a higher boost factor than other documents) as well as field boosting is specified during indexing. Our use case is performancce/results tuning. We hav

Re: Creating a new index from an existing index

2006-08-29 Thread Erick Erickson
A couple of things.. 1> I don't think you set the boost when indexing. You set the boost when querying, so you don't need to re-index for boosting. 2> A recurring theme is that you can't do an update-in-place for a lucene document. You might search the mail archive for a discussion of this. The

Creating a new index from an existing index

2006-08-29 Thread Xiaocheng Luan
Hi, Got a question. Here is what I want to achieve: Create a new index from an existing index, to change the boosting factor for some of the documents (and potentially some other tweaks), without reindexing it from the source. Is there any tools or ways to do this? Thanks! Xiaocheng Luan