Would http://lucene.apache.org/core/5_5_0/core/org/apache/lucene/index/IndexReader.html#document(int,%20java.util.Set) be what you are looking for?
-- Ian. On Mon, May 16, 2016 at 1:39 PM, <ankit.mura...@ril.com> wrote: > Hello, > > I am storing close to 100 fields in a single document which is being > indexed. There are million such documents. Lucene version is 5.5.0 > > During search, I wish to get only 1 field out of these 100 fields as a > result. The conventional approach is to get the required hits and get the > selected field by iterating over each Document. > > Problem with conventional approach is, the document so retrieved contains > all the fields bloating my memory. (i.e. I get 100 fields in each document > whereas I should get only 1 field to save on resource and memory) > > I would like to have only 1 particular field in the output document. > > Is there any approach for this ? I have looked into the api docs and stuff > but could not find anything related to this. > > Appreciate your guidance. Thanks in advance. > > Regards, > Ankit > "Confidentiality Warning: This message and any attachments are intended > only for the use of the intended recipient(s). > are confidential and may be privileged. If you are not the intended > recipient. you are hereby notified that any > review. re-transmission. conversion to hard copy. copying. circulation or > other use of this message and any attachments is > strictly prohibited. If you are not the intended recipient. please notify > the sender immediately by return email. > and delete this message and any attachments from your system. > > Virus Warning: Although the company has taken reasonable precautions to > ensure no viruses are present in this email. > The company cannot accept responsibility for any loss or damage arising > from the use of this email or attachment." >
