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From Lance Norskog <>
Subject Re: Dynamic analyzers
Date Thu, 27 May 2010 04:01:44 GMT
If you want to OR a search across many language inputs, you can copy
all of the text into an all-languages field. A pan-language search
would just hit that field.

On Mon, May 24, 2010 at 9:28 AM, dan sutton <> wrote:
> Hi,
> I have a requirement to dynamically choose a fieldType to analyze text in
> multiple languages. I will know the language (in a separate field) at index
> and query time.
> I've tried implementing this with a custom UpdateRequestProcessorFactory and
> custom DocumentBuilder.toDocument to change the FieldType, but this dosen't
> work.
> I realize I can have e.g. text_en, text_de,... and dynamically populate this
> with a custom UpdateRequestProcessorFactory, but we are worried with all the
> languages (lets say 50+) that effectively doing an OR with 50 fields will be
> a performance issue, is this true?
> Many thanks in advance,
> Dan

Lance Norskog

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