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From Erick Erickson <erickerick...@gmail.com>
Subject Re: Stored fields access
Date Thu, 25 Feb 2010 16:05:40 GMT
Does LazyLoading address this? I'm assuming your issue is
that the default behavior loads the entire document regardless
of whether you actually want all the fields.....

Erick

On Thu, Feb 25, 2010 at 7:52 AM, Earwin Burrfoot <earwin@gmail.com> wrote:

> I'm thinking, should Lucene introduce new interface to read stored
> document fields?
>
> Current 'Document document(int n)' mechanism is barely usable due to
> overhead involved. While I believe underlying index structure works
> pretty fast (if it fits in memory, as is the case for most
> performance-concerned installations), there's no adequate access to it
> and people are forced to introduce contraptions like LinkedIn's
> payload-assisted luceneId<->appId mapping or similar caches we employ.
>
> What I am thinking about is something along the lines of existing
> iterators like TermDocs/TermPositions. Iterate over docs, then iterate
> over fields stored for each, extract data, ???, profit.
> Comments?
>
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> Kirill Zakharenko/Кирилл Захаренко (earwin@gmail.com)
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