On Dec 8, 2009, at 12:24 PM, J. King wrote:

> On Tue, 08 Dec 2009 12:11:13 -0500, li...@mgreg.com <li...@mgreg.com>  
> wrote:
> 
>> Hi All,
>> 
>> I'm currently using SQLITE in a few production apps.  I'm using various  
>> languages such as Ruby, PERL, RB, etc.  I have need to use regular  
>> expressions in some of my queries, but I'm not sure how to implement  
>> "user defined functionality".  Where are the hooks?  Is there a  
>> particular mechanism/language I must use to create them?  Is this  
>> something I'm required to recompile SQLITE for?
> 
> You do so by defining a user function called 'regexp'.  The means by which  
> one defines a user function depends on the language.  See, for instance,  
> [1] for Ruby.  For a 'regexp' function you would specify two arguments,  
> pattern and string to match against.
> 
> [1]  
> <http://sqlite-ruby.rubyforge.org/sqlite3/classes/SQLite3/Database.html#M000115>
> 
> -- 
> J. King


What if you're making calls to SQLITE directly, and not via the language's API? 
 Is there any way to make the support "native"?  Can I drop a script of some 
sort that SQLITE will call (no matter what language I'm using to perform the 
call)?  I guess I'm looking for a more abstract understanding of the hows and 
whys first.

Thanks,
Michael
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