I use to perl scripts to do something like this. But you just back and forward from the loca
tion in the string you are. You are count for word bounderies, in short, mostly white spaces
. Next you count the number of characters, and substring!
>  
>  From: Miguel Guirao <miguel.guirao@[...].com>
>  Date: 2006/11/24 Fri PM 01:19:31 EST
>  To: benmoreassynt <roland@[...].com>,  php-db@[...].net
>  Subject: RE: [PHP-DB] Fulltext SELECTing only part of a field entry
>  
>  
>  
>  I guess you will still need to get the whole texts, but do the selecting
>  befores displaying results. There are functions to to select an amount of
>  text of certain lenght, starting at certain point of the string.
>  
>  -----Original Message-----
>  From: benmoreassynt [mailto:roland@[...].com]
>  Sent: Viernes, 24 de Noviembre de 2006 11:59 a.m.
>  To: php-db@[...].net
>  Subject: [PHP-DB] Fulltext SELECTing only part of a field entry
>  
>  
>  Hi,
>  
>  Not really sure if this is possible.
>  
>  I am using a fulltext search to search through very large entries. Basically
>  an entry might contain 200,000 words, which are searched for exact matches.
>  
>  What I want to do is SELECT, say, the 300 words surrounding the exact match
>  from the 200,000 word entry and pass it to a PHP script, rather than
>  passing the entire 200,000 words to the script.
>  
>  Am I explaining myself clearly? In other words I want to limit the amount of
>  text SELECTed, so that I am not wasting memory, etc, by passing huge
>  strings to PHP.
>  
>  Is it possible? I've done a lot of looking, but the MySQL documentation is
>  pretty limited on fulltext. If it is possible, can anyone give me a rough
>  idea of how to go about it?
>  
>  The end result would be the sort of contextual search text results that you
>  get in a Google search.
>  
>  Many thanks
>  
>  BMA
>  
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