Hi Thomas,
> Is it possible to update fields in an existing index.
> If yes how to proceed.
>
I think you can only delete a document and then reindex the updated
document:
public static int delTitle(String ID) {
try {
return writer.deleteDocuments(new Term("ID",ID));
} catch (IOException e) {
e.printStackTrace();
}
return -1;
}
and then add the new document.
The prerequisite will be that you need a unique Identifier for that
Document to use for the deleteDocuments function (normally you won't
know the lucene's index document-id for the specific doc). The downside
of this is that the lucene-index document-id will change.
hth,
martin
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