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Date: Sat, 6 Mar 2010 12:58:27 +0000 (UTC)
From: "Michael McCandless (JIRA)" <jira@apache.org>
To: java-dev@lucene.apache.org
Subject: [jira] Commented: (LUCENE-2111) Wrapup flexible indexing
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    [ https://issues.apache.org/jira/browse/LUCENE-2111?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12842255#action_12842255 ] 

Michael McCandless commented on LUCENE-2111:
--------------------------------------------

bq. But... we now need a way to determine that a codec does not store positions.

Thinking more about this... I think we should switch back to a null return from .docsAndPositionsEnum if the codec doesn't support positions.  We only return .EMPTY if the enum is really just empty.

> Wrapup flexible indexing
> ------------------------
>
>                 Key: LUCENE-2111
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2111
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Index
>    Affects Versions: Flex Branch
>            Reporter: Michael McCandless
>            Assignee: Michael McCandless
>             Fix For: 3.1
>
>         Attachments: flex_backwards_merge_912395.patch, flex_merge_916543.patch, LUCENE-2111-EmptyTermsEnum.patch, LUCENE-2111-EmptyTermsEnum.patch, LUCENE-2111.patch, LUCENE-2111.patch, LUCENE-2111.patch, LUCENE-2111.patch, LUCENE-2111.patch, LUCENE-2111.patch, LUCENE-2111.patch, LUCENE-2111.patch, LUCENE-2111.patch, LUCENE-2111.patch, LUCENE-2111.patch, LUCENE-2111_bytesRef.patch, LUCENE-2111_experimental.patch, LUCENE-2111_fuzzy.patch, LUCENE-2111_toString.patch
>
>
> Spinoff from LUCENE-1458.
> The flex branch is in fairly good shape -- all tests pass, initial search performance testing looks good, it survived several visits from the Unicode policeman ;)
> But it still has a number of nocommits, could use some more scrutiny especially on the "emulate old API on flex index" and vice/versa code paths, and still needs some more performance testing.  I'll do these under this issue, and we should open separate issues for other self contained fixes.
> The end is in sight!

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