[SR-Users] how to match exact string value in mtree (Uri Shacked)

[Daniel-Constantin Mierla]

Hello Javier,

one question about redis, can it do longest prefix matching or all 
prefixes match?

Cheers,
Daniel

On 2/16/12 2:51 PM, Javier Gallart wrote:
> Hello Uri
>
> I had similar needs and I found the ndb_redis module more suited for 
> that type of task. Instead of a tree you have a hash like this: tname 
> tprefix tvalue. If you do a hget nts $avp(DID) and you get a not null 
> value you have found your exact match. It works very  well for me and 
> the time it takes for that "query" is barely noticeable. Of course 
> redis does not address items like persistence, etc the same way a 
> rdbms does.
> Hope it helps.
>
> Regards
>
> Javi
>
> On Thu, Feb 16, 2012 at 12:00 PM, 
> <sr-users-request at lists.sip-router.org 
> <mailto:sr-users-request at lists.sip-router.org>> wrote:
>
>     Send sr-users mailing list submissions to
>     sr-users at lists.sip-router.org <mailto:sr-users at lists.sip-router.org>
>
>     To subscribe or unsubscribe via the World Wide Web, visit
>     http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>     or, via email, send a message with subject or body 'help' to
>     sr-users-request at lists.sip-router.org
>     <mailto:sr-users-request at lists.sip-router.org>
>
>     You can reach the person managing the list at
>     sr-users-owner at lists.sip-router.org
>     <mailto:sr-users-owner at lists.sip-router.org>
>
>     When replying, please edit your Subject line so it is more specific
>     than "Re: Contents of sr-users digest..."
>
>
>     Today's Topics:
>
>       1. how to match exact string value in mtree (Uri Shacked)
>
>
>     ----------------------------------------------------------------------
>
>     Message: 1
>     Date: Thu, 16 Feb 2012 12:54:50 +0200
>     From: Uri Shacked <ushacked at gmail.com <mailto:ushacked at gmail.com>>
>     Subject: [SR-Users] how to match exact string value in mtree
>     To: "SIP Router - Kamailio (OpenSER) and SIP Express Router (SER) -
>            Users   Mailing List" <sr-users at lists.sip-router.org
>     <mailto:sr-users at lists.sip-router.org>>
>     Message-ID:
>     <CAMMbDhTFNXAE-K88=AeMjO7AnA_QJV3Ajj3AH-AxemXN3ze6HQ at mail.gmail.com <mailto:AeMjO7AnA_QJV3Ajj3AH-AxemXN3ze6HQ at mail.gmail.com>>
>     Content-Type: text/plain; charset="iso-8859-1"
>
>     Hi,
>
>     I am using Mtree to match prefix numbers, some of them starts with
>     0 or
>     characters like D for example.
>     so, the mtree param is like this:
>
>     modparam("mtree", "db_url", CFGDB)
>     modparam("mtree", "mtree",
>     "name=nts;dbtable=service_numbers_view;type=0;")
>     modpmodparam("mtree", "char_list", "0123456789*+#YMDabcdefgh")
>     modparam("mtree", "pv_value", "$avp(mtval)")
>     modparam("mtree", "pv_values", "$avp(mtvals)")
>
>     The thing is, that i tried all:
>
>     if(!mt_match("nts", "$avp(DID)","1"))
>     if(!mt_match("nts", "$avp(DID)","2"))
>     if(!mt_match("nts", "$avp(DID)","0"))
>
>     and lets say i have the both prefix in the nts mtree:
>     09555
>     09555333
>
>     And the prefix i search for is  $avp(DID)=09555444
>
>     I allwasy get the 09555 because it is the longest match.
>     I need exact match.....
>
>     how do i do that?
>     -------------- next part --------------
>     An HTML attachment was scrubbed...
>     URL:
>     <http://lists.sip-router.org/pipermail/sr-users/attachments/20120216/9d2eb778/attachment.html>
>
>     ------------------------------
>
>     _______________________________________________
>     sr-users mailing list
>     sr-users at lists.sip-router.org <mailto:sr-users at lists.sip-router.org>
>     http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>
>
>     End of sr-users Digest, Vol 81, Issue 40
>     ****************************************
>
>
>
>
> _______________________________________________
> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
> sr-users at lists.sip-router.org
> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users

-- 
Daniel-Constantin Mierla -- http://www.asipto.com
http://linkedin.com/in/miconda -- http://twitter.com/miconda

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.sip-router.org/pipermail/sr-users/attachments/20120217/cc43cc8b/attachment.htm>