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Hello,<br>
<br>
On 2/16/12 2:51 PM, Javier Gallart wrote:
<blockquote
cite="mid:CACviLGYKuacLRV32zCXaJSTc-+bZePHAdTOrdXoapB_4nzcBEw@mail.gmail.com"
type="cite">Hello Uri
<div><br>
</div>
<div>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 <span
style="">$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.</span></div>
</blockquote>
<br>
for hash tables in config, the alternative is using htable module.
Then the selection is done on exact match, no prefix matching. mtree
is suitable for storing keys that are composed from a limited set of
characters (like numbers, 0-9 digits only), otherwise becomes too
memory consuming. For keys that are composed from any character and
need exact match, hash table structures are more suitable, no matter
if it is via htable module or something else like redis.<br>
<br>
Cheers,<br>
Daniel<br>
<br>
<blockquote
cite="mid:CACviLGYKuacLRV32zCXaJSTc-+bZePHAdTOrdXoapB_4nzcBEw@mail.gmail.com"
type="cite">
<div><span style="">Hope it helps.</span></div>
<div><span style=""><br>
</span></div>
<div><span style="">Regards</span></div>
<div><span style=""><br>
</span></div>
<div><span style="">Javi</span></div>
<div><br>
<div class="gmail_quote">On Thu, Feb 16, 2012 at 12:00 PM, <span
dir="ltr"><<a moz-do-not-send="true"
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wrote:<br>
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Today's Topics:<br>
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1. how to match exact string value in mtree (Uri Shacked)<br>
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----------------------------------------------------------------------<br>
<br>
Message: 1<br>
Date: Thu, 16 Feb 2012 12:54:50 +0200<br>
From: Uri Shacked <<a moz-do-not-send="true"
href="mailto:ushacked@gmail.com">ushacked@gmail.com</a>><br>
Subject: [SR-Users] how to match exact string value in mtree<br>
To: "SIP Router - Kamailio (OpenSER) and SIP Express Router
(SER) -<br>
Users Mailing List" <<a moz-do-not-send="true"
href="mailto:sr-users@lists.sip-router.org">sr-users@lists.sip-router.org</a>><br>
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<br>
Hi,<br>
<br>
I am using Mtree to match prefix numbers, some of them
starts with 0 or<br>
characters like D for example.<br>
so, the mtree param is like this:<br>
<br>
modparam("mtree", "db_url", CFGDB)<br>
modparam("mtree", "mtree",
"name=nts;dbtable=service_numbers_view;type=0;")<br>
modpmodparam("mtree", "char_list",
"0123456789*+#YMDabcdefgh")<br>
modparam("mtree", "pv_value", "$avp(mtval)")<br>
modparam("mtree", "pv_values", "$avp(mtvals)")<br>
<br>
The thing is, that i tried all:<br>
<br>
if(!mt_match("nts", "$avp(DID)","1"))<br>
if(!mt_match("nts", "$avp(DID)","2"))<br>
if(!mt_match("nts", "$avp(DID)","0"))<br>
<br>
and lets say i have the both prefix in the nts mtree:<br>
09555<br>
09555333<br>
<br>
And the prefix i search for is $avp(DID)=09555444<br>
<br>
I allwasy get the 09555 because it is the longest match.<br>
I need exact match.....<br>
<br>
how do i do that?<br>
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<br>
<pre class="moz-signature" cols="72">--
Daniel-Constantin Mierla -- <a class="moz-txt-link-freetext" href="http://www.asipto.com">http://www.asipto.com</a>
<a class="moz-txt-link-freetext" href="http://linkedin.com/in/miconda">http://linkedin.com/in/miconda</a> -- <a class="moz-txt-link-freetext" href="http://twitter.com/miconda">http://twitter.com/miconda</a></pre>
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