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From Karl Wettin <karl.wet...@gmail.com>
Subject Re: Case Sensitivity
Date Thu, 28 Aug 2008 09:52:54 GMT

28 aug 2008 kl. 11.46 skrev Andrzej Bialecki:

> Karl Wettin wrote:
>> 28 aug 2008 kl. 10.58 skrev Dino Korah:
>>> Document doc = new Document();
>>> Field f = new Field("body", bodyText, Field.Store.NO,
>>> Field.Index.TOKENIZED);
>>> f.setOmitNorms(true);
>>>
>>> Would that be equivalent to
>>>
>>> Document doc = new Document();
>>> Field f = new Field("body", bodyText,  
>>> Field.Store.NO ,Field.Index.NO_NORMS);
>>>
>>> And Field.Index.TOKENIZED has no effect after  
>>> f.setOmitNorms(true); ?
>> Yes, those two have the same effect.
>
> I don't think so - these two scenarios are different.
>
> When you create a Field using Index.NO_NORMS, the constructor makes  
> sure that:
>      isIndexed = true;
>      isTokenized = false;
>      omitNorms = true;
>
> When you create a Field using Index.TOKENIZED, the constructor sets  
> these flags:
>      isIndexed = true;
>      isTokenized = true;
>
> Then, when you call setOmitNorms(true), it does NOT affect  
> isTokenized, it sets only omitNorms. So the flags are set now like  
> this:
>      isIndexed = true;
>      isTokenized = true;
>      omitNorms = true;
>
> The end result of processing such a field is (I believe)  
> conceptually equivalent to adding as many Fields as there are  
> tokens, each with omitNorms=true.

Oh, you are of course right, I was too quick to read. Sorry.


       karl


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