[jira] Commented: (LUCENE-914) Scorer.skipTo(current) remains on current for some scorers

["Michael McCandless (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LUCENE-914?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12629115#action_12629115 ] 

Michael McCandless commented on LUCENE-914:
-------------------------------------------

How about we change the spec for all skipTo's to require n must be > doc() else what happens is undefined (ie, may or may not advance)?  This would resolve this issue and LUCENE-1327.

> Scorer.skipTo(current) remains on current for some scorers
> ----------------------------------------------------------
>
>                 Key: LUCENE-914
>                 URL: https://issues.apache.org/jira/browse/LUCENE-914
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: Search
>            Reporter: Doron Cohen
>            Priority: Minor
>         Attachments: lucene-914.patch
>
>
> Background in http://www.nabble.com/scorer.skipTo%28%29-contr-tf3880986.html
> It appears that several scorers do not strictly follow the spec of Scorer.skipTo(n), and skip to current location remain in current location whereas the spec says: "beyond current". 
> We should (probably) either relax the spec or fix the implementations.

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