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Posted to dev@lucene.apache.org by "Robert Muir (JIRA)" <ji...@apache.org> on 2013/08/06 18:00:49 UTC
[jira] [Resolved] (LUCENE-5156) CompressingTermVectors termsEnum
should probably not support seek-by-ord
[ https://issues.apache.org/jira/browse/LUCENE-5156?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Robert Muir resolved LUCENE-5156.
---------------------------------
Resolution: Fixed
Fix Version/s: 4.5
5.0
> CompressingTermVectors termsEnum should probably not support seek-by-ord
> ------------------------------------------------------------------------
>
> Key: LUCENE-5156
> URL: https://issues.apache.org/jira/browse/LUCENE-5156
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Robert Muir
> Fix For: 5.0, 4.5
>
> Attachments: LUCENE-5156.patch
>
>
> Just like term vectors before it, it has a O(n) seek-by-term.
> But this one also advertises a seek-by-ord, only this is also O(n).
> This could cause e.g. checkindex to be very slow, because if termsenum supports ord it does a bunch of seeking tests. (Another solution would be to leave it, and add a boolean so checkindex never does seeking tests for term vectors, only real fields).
> However, I think its also kinda a trap, in my opinion if seek-by-ord is supported anywhere, you kinda expect it to be faster than linear time...?
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