You have to check yourself. Lucene has no concept of relations *between* documents. What you're really asking for is something like a database unique key. No such luck, you have to create one yourself.
What I've done is post-process the entire index, removing duplicates. This can be done quite efficiently with TermDocs/TermEnum, and you can then institute policies like, say, LIFO or FIFO. You could also certainly check before adding a document, also using TermEnum/TermDocs. Best Erick On 7/12/07, Heba Farouk <[EMAIL PROTECTED]> wrote:
Hello i'm a newbie to lucene world and i hope that u help me. i was asking is there any options in IndexWriter to check if a document already exsits before adding it to the index or i should maintain it manually ?? thanks in advance Yours Heba --------------------------------- Choose the right car based on your needs. Check out Yahoo! Autos new Car Finder tool.
