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From Nicolas Lalevée (JIRA) <>
Subject [jira] Commented: (LUCENE-958) MultiSearcher Filtering with more than one index is broken
Date Sat, 14 Jul 2007 11:35:07 GMT


Nicolas Lalevée commented on LUCENE-958:

I don't understand the invalid status of this issue. If the filter provided to the multisearcher
have to implement itself the document offset handling, then there an API issue : MultiSearcher
implements Searchable.

> MultiSearcher Filtering with more than one index is broken
> ----------------------------------------------------------
>                 Key: LUCENE-958
>                 URL:
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: Search
>    Affects Versions: 2.2
>            Reporter: Ion Badita
> Using filtering on MultiSarcher with more than one index is not working right.
> Probable the best way to describe the problem is to give a small example:
> Suppose we have 2 Indexes with two documents each:
> Index1 {Doc(id:"A", content:".."), Doc(id:"B", content:"..")}
> Index2 {Doc(id:"C", content:".."), Doc(id:"D", content:"..")}
> When executing a query that returns all the documents and applying a QueryFilter that
generated the following BitSet (1, 0, 0, 0), it should filter all the documents but first;
the real results are: Doc(id:"A") and Doc(id:"B"), this because the MultiSearcher applies
the BitSet filter from the bitset's position 0 for each Index.
> The right way is to split the bitset in peaces: Index1 to get the bites form 0-1 and
Index2 bites from 2-3.

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