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From "Uwe Schindler (Commented) (JIRA)" <>
Subject [jira] [Commented] (LUCENE-3832) Port BasicAutomata.stringUnion from Brics to Lucene
Date Tue, 28 Feb 2012 16:39:46 GMT


Uwe Schindler commented on LUCENE-3832:

In test-framework is a helper method to build a Daciuk/Mihov automaton.

With the patch, this somehow makes TermsFilter from contrib obsolete or should we maybe port
that to an AutomatonQuery / MTQWF(AutomatonQuery)? If it simply subclasses AQ it could be
more performant if the array has terms which are following each other in terms index.
> Port BasicAutomata.stringUnion from Brics to Lucene
> ---------------------------------------------------
>                 Key: LUCENE-3832
>                 URL:
>             Project: Lucene - Java
>          Issue Type: Improvement
>            Reporter: Dawid Weiss
>            Assignee: Dawid Weiss
>            Priority: Trivial
>             Fix For: 3.6, 4.0
>         Attachments: LUCENE-3832.patch
> Brics has my code to build Automaton from a set of sorted strings in one step (Daciuk/Mihov's
algorithm again). This should be easily portable to Lucene and is quite useful.

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