Hi George,
What I was trying to say was simply:
IndexSearcher sr = new IndexSearcher(@"c:\temp\blabla");
for (int i = 0; i < sr.Reader.NumDocs(); i++)
{
Document d = sr.Reader.Document(i);
//Create NewDoc
//Write NewDoc to Second Index
}
DIGY
-----Original Message-----
From: George Aroush [mailto:[EMAIL PROTECTED]
Sent: Thursday, August 30, 2007 5:30 AM
To: [email protected]
Subject: RE: Can a Lucene field be renamed in a Lucene index?
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
>
