Hi DIGY, I don't understand. How can one read documents from the source index? Yes, this would be possible if my source index also contains the raw-text (for each field).
Regards, -- George > -----Original Message----- > From: DIGY [mailto:[EMAIL PROTECTED] > Sent: Wednesday, August 29, 2007 10:14 PM > To: [email protected] > Subject: RE: Can a Lucene field be renamed in a Lucene index? > > Hi George, > > I haven't seen any API to do that thing, but one possibility can be: > Reading the all docs from source index > And writing the new values to the second one (Of course this > is re-index but does not require the original documents) > > DIGY > > -----Original Message----- > From: George Aroush [mailto:[EMAIL PROTECTED] > Sent: Thursday, August 30, 2007 5:03 AM > To: [email protected] > Subject: Can a Lucene field be renamed in a Lucene index? > > Hi everyone, > > I have the following need and I wander what are my options or > if anyone run into it and has a solution / suggestion. > > I'm indexing a SQL database. Each table is a Lucene index. > Now, in table "A", I have a field called "Foo". When I index > it into Lucene, I also end up with a field called "Foo". > Later on, the SQL database administrator, will change the > field name from "Foo" to "Bar". Once this happens, any new > records added to table "A" will be indexed into Lucene as "Bar". > > The issue is this, Lucene index for table "A" now has > documents with some having a field called "Foo" and others > with "Bar". This is problematic because now a user can't > just search for "Foo:dog", but must search for "Foo:dog Bar:dog". > > So, what are my options here? No, I can't re-index. > Ideally, I would like to be able to say to Lucene, "rename > the field 'Foo' to 'Bar' in the index 'A'" (even if it means > using private APIs). Is this possible? Have you run into > this problem? What was your solution? > > Regards, > > -- George >
