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From "Jack Krupansky (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-4182) MoreLikeThisHandler ignores mlt.count
Date Sat, 29 Dec 2012 20:54:12 GMT

    [ https://issues.apache.org/jira/browse/SOLR-4182?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13540995#comment-13540995
] 

Jack Krupansky commented on SOLR-4182:
--------------------------------------

I found this comment in MoreLikeThisParams.java:

{code}
  // the /mlt request handler uses 'rows'
  public final static String DOC_COUNT = mlt.count";
{code}

In other words, you're SUPPOSED to use &rows=n with the /mlt handler rather than &mlt.count=n.

So, it's not really a bug per se, more of an inconsistency that could be improved. For example,
maybe the default for &rows in the mlt handler should be &mlt.count.

And maybe the doc could be improved a little. I would note that mlt.count is ONLY listed under
the MLT search component and NOT mentioned in the handler. The doc for the handler shoulder
probably explicitly say that it uses &rows rather than &mlt.count.

                
> MoreLikeThisHandler ignores mlt.count
> -------------------------------------
>
>                 Key: SOLR-4182
>                 URL: https://issues.apache.org/jira/browse/SOLR-4182
>             Project: Solr
>          Issue Type: Bug
>          Components: MoreLikeThis
>    Affects Versions: 4.1
>         Environment: solr-impl 4.1-SNAPSHOT 1421381 - ncindex - 2012-12-13 10:16:41
>            Reporter: Shawn Heisey
>             Fix For: 4.2, 5.0
>
>
> MoreLikeThisHandler ignores the mlt.count parameter.  This seems to be the case whether
it's on the URL path or in the handler definition.
> When using MoreLikeThisComponent in a search handler, mlt.count works.

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