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From Paul Libbrecht <p...@activemath.org>
Subject Re: updating an index... with existing documents ?
Date Thu, 28 Jul 2005 12:36:50 GMT
Dare I ask wether this implies that the fields are stored ?

thanks

paul


Le 28 juil. 05, à 14:26, Erik Hatcher a écrit :
> It is possible to reconstruct a document from the index, but it is a 
> potentially lossy proposition, since stemming and other manglings 
> might have gone on.  Look at Luke and see how it does it (you can 
> "reconstruct and edit" a document from its UI).
>
> On Jul 28, 2005, at 5:37 AM, Paul Libbrecht wrote:
>> My mission is currently to update an index by marking adding a flag 
>> field on some documents.
>> For this, I seem to have the only following possibility:
>> - search for the documents in question, store them, filter them
>> - modify the documents in accordance
>> - delete the modified documents
>> - put back the documents
>>
>> However, I seem to experiment and fear that unstored-fields will be 
>> lost underway... I, of course, do not wish to re-run the analysis 
>> process here (which is complex because of the xml-nature on the 
>> back).
>>
>> Will these fields indeed be lost ?
>> Is there no way to "copy the token-streams" (as it's anyways stored 
>> in the index in some way) ?
>>
>> thanks
>>
>> paul
>>
>>
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>
>
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