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From Naveen Kumar <id.n...@gmail.com>
Subject Re: Adding a new field to existing Index
Date Wed, 07 Jul 2010 13:08:45 GMT
Thanks for the quick reply!
I will go ahead with reindexing of all the data.

On Wed, Jul 7, 2010 at 6:27 PM, Andrzej Bialecki <ab@getopt.org> wrote:

> On 2010-07-07 14:49, Naveen Kumar wrote:
>
>> Hi Andrzej Bialecki
>>
>> When you suggested -
>>     "There are some other low-level ways to do this, but the easiest is to
>>       use a FilterIndexReader, especially since you just want to add a
>> stored
>>       field - implement a subclass of FilterIndexReader that adds a new
>> field
>>       in getFieldNames() and document(int). Then use
>>       IndexWriter.addIndexes(IndexReader[]) to create the output index."
>> I believe you assumed that all the existing fields are stored. I have a
>> few
>> fields which are only indexed, not stored. Is there a way to add a new
>> Field(stored, not indexed) to document in such an index, without
>> reindexing
>> the whole index.
>> Any suggestions will be very helpful!
>>
>
> Unfortunately no - my previous advice still applies:
>
>
>  I would also like to know, if data or term vector, of a field
>>>> indexed without storing, can somehow be retrieved. This would enable
>>>> a work around solution to my problem.
>>>>
>>>
>>> Not really, and the re-construction is very costly. Indexing is a lossy
>>> process, so not all content can be recovered. See the "Reconstruct&
>>> Edit" functionality in Luke (http://www.getopt.org/luke).
>>>
>>
> At this point it will be less costly to reindex.
>
> --
> Best regards,
> Andrzej Bialecki     <><
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