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https://issues.apache.org/jira/browse/LUCENE-3638?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13167131#comment-13167131
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Uwe Schindler edited comment on LUCENE-3638 at 12/11/11 4:36 PM:
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bq. 3. i do not think i can store only the interesting part because i do not
know which is interesting part at index time. For example, the digest part of
the search results is generated according to the query of somebody's.
Digest is the wrong word, this confused here lots of people. The use case you
talk about is "highlighting". I agree for very large fields this is expensive.
In fact your patch does not handle this case and I agree with the others as
it's to heavy to implement and adds back the crazy complexity we had with lazy
fields & co.
was (Author: thetaphi):
bq. 3. i do not think i can store only the interesting part because i do
not know which is interesting part at index time. For example, the digest part
of the search results is generated according to the query of somebody's.
Digest is the wrong word, this confused here lots of people. The use case you
talk about is "highlighting". I agree for very large fields this is expensive.
In fact your patch does not handle this case and I agree it's to heavy to
implement and adds back the crazy complexity we had with lazy fields & co.
> IndexReader.document always return a doc with all the stored fields loaded.
> And this can be slow for the indexed document contain huge fields
> ---------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: LUCENE-3638
> URL: https://issues.apache.org/jira/browse/LUCENE-3638
> Project: Lucene - Java
> Issue Type: Improvement
> Components: core/index, core/search
> Affects Versions: 4.0
> Environment: 64bit linux java 1.6
> Reporter: peter chang
> Priority: Minor
> Labels: patch
> Fix For: 4.0
>
> Attachments: doc.fields.patch
>
>
> when generating digest for some documents with huge fields, it should be
> unnecessary to load the field but just interesting part of the field with the
> offset information. but indexreader always return the whole field content.
> afterward, the customized storedfieldsreader will got a repeated loading
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