wu fox wrote on 05/21/2006 03:02 AM: > I have several indices and each index describe part of a document. > For example ,a index contains dublin core information of a document, > and another index contains some classification information of the same > document. If I have a query "title:lucene AND classification:project", > First how can I adjust the query so that I can search title on the > first index and classification on the second index. Second each doc of > search results contains a field "uuid",so I need to combine the docs > of the two search results which contain the same uuid. The final > result contains docs satisfy the original query. Can anybody help me?
If your indices meet the constraints of ParallelReader then that could be your answer. You can only use this if the doc-id's in the different indices are maintained such that documents with the same uuid always have the same doc-id. This is trickier than it might sound. E.g., if you have multi-threaded writes or deletes, they need to be synchronized properly. Also, if you get an error updating one of the indices after having updated another for the same new doc, you have to recover properly. If you can manage these issues in your app, then ParallelReader does exactly what you want. Chuck --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
