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From Michael McCandless <luc...@mikemccandless.com>
Subject Re: GroupingSearch return 0 when setAllGroups(true)
Date Wed, 28 Nov 2012 14:28:45 GMT
That sure looks like a bug!  Could you open a Jira issue (
https://issues.apache.org/jira/browse/LUCENE ) and post a patch / test
case?  Thanks!

Mike McCandless

http://blog.mikemccandless.com

On Wed, Nov 28, 2012 at 7:53 AM, dizh@neusoft.com <dizh@neusoft.com> wrote:
> Is this a bugļ¼Ÿ
>
> when using group function, I set "groupingSearch.setAllGroups(true);", but it return
groupCount = 0
>
> I saw the source , I found that :
>
> if (allGroupHeads) {
>                                 collectors.add(allGroupsCollector);
> }
> if (allGroupHeads) {
>                                 collectors.add(allGroupHeadsCollector);
> }
>
> It seemed that it should use allGroup flag, not allGroupHeads.
>
> I am a newbie to Lucene, so I want to ask whether it is right?
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