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From Doug Cutting <>
Subject Re: MultiReader and MultiSearcher
Date Tue, 11 Apr 2006 21:13:41 GMT
Peter Keegan wrote:
> Oops. I meant to say: Does this mean that an IndexSearcher constructed from
> a MultiReader doesn't merge the search results and sort the results as if
> there was only one index?

It doesn't have to, since a MultiReader *is* a single index.

> A quick test indicates that it does merge the results properly, however
> there is a difference in the order of documents with equal score. The
> MultiSearcher returns the higher doc first, but the IndexSearcher returns
> the lowest doc first. I think docs of equal score are supposed to be
> returned in the order they were indexed (lower doc id first).

If that's the case it is a bug.  If you can reproduce this in a 
standalone test, please submit it to Jira.


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