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https://issues.apache.org/jira/browse/LUCENE-2694?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12980748#action_12980748
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Robert Muir commented on LUCENE-2694:
-------------------------------------
bq. seems like this time perf rules out purity in the interface.
I know i didn't like this aspect of the patch, but I am ok with it for now as
long as we keep things experimental and try to keep an eye on improving the
'purity' of TermsEnum a bit.
we are making a lot of progress on the terms handling with flexible indexing
and i could easily see more interesting implementations being available other
than just PrefixCoded...
In some ideal world I guess i'd prefer if TermsEnum was an attributesource with
seek() and next(), FilteredTermsEnum was like tokenFilter, and TermState was
just captureState/restoreState...
but I agree we should just lean towards whatever works for now.
definitely like it better now that things such as docFreq() are pulled out of
termstate and its completely opaque, i think this is the right way to go.
> MTQ rewrite + weight/scorer init should be single pass
> ------------------------------------------------------
>
> Key: LUCENE-2694
> URL: https://issues.apache.org/jira/browse/LUCENE-2694
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Search
> Reporter: Michael McCandless
> Assignee: Simon Willnauer
> Fix For: 4.0
>
> Attachments: LUCENE-2694-FTE.patch, LUCENE-2694.patch,
> LUCENE-2694.patch, LUCENE-2694.patch, LUCENE-2694.patch, LUCENE-2694.patch,
> LUCENE-2694.patch, LUCENE-2694.patch, LUCENE-2694.patch, LUCENE-2694.patch,
> LUCENE-2694.patch, LUCENE-2694_hack.patch
>
>
> Spinoff of LUCENE-2690 (see the hacked patch on that issue)...
> Once we fix MTQ rewrite to be per-segment, we should take it further and make
> weight/scorer init also run in the same single pass as rewrite.
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