Thanks simon
How I do get the unique ID ? will it be added to the index?
Simon Willnauer wrote:
>
> You need some kind of unique ID for you documents like a primary key in a
> RDB.
> If you have something like that you can call
> IndexWriter#updateDocument(uniqueIDTerm, document) this will delete
> the old document and add the new one.
>
> simon
>
> On Tue, Nov 10, 2009 at 10:05 AM, m.harig <m.ha...@gmail.com> wrote:
>>
>> hello all,
>>
>> This is my situation , i've multiple indexes , for example , index1 ,
>> index2 , index3 ... i've to update the indexes every night . If i open my
>> IndexWriter create=false (since i want to update the existing index) ,
>> am
>> getting duplicate documents appends with the existing indexes , anyone
>> help
>> how do i remove duplicate documents by updating the existing index??????
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