Hi Alex,
the default table structure for htable is defined by sql:
CREATE TABLE htable (
id INT(10) UNSIGNED AUTO_INCREMENT PRIMARY KEY NOT NULL,
key_name VARCHAR(64) DEFAULT '' NOT NULL,
key_type INT DEFAULT 0 NOT NULL,
value_type INT DEFAULT 0 NOT NULL,
key_value VARCHAR(128) DEFAULT '' NOT NULL
) ENGINE=MyISAM;
If you map over another table, then you must have at least four columns
there (id is for generic purpose). See here descriptions of the columns:
http://kamailio.org/docs/modules/3.0.x/modules_k/htable.html#id2529061
Cheers,
Daniel
On 12/23/09 6:13 PM, alex pappas wrote:
Hi Daniel,
My problem is how to define the hash table in Kamailio.cfg. Especially
I don't understand how to define :
|key_name_column: here I understand that is the name of the key
= fist col (phonenumber)
|
|key_type_column == string ?
|
|value_type_column == string ?
|
|key_value_column == second col(prefix)?
|
I get the following errors:
ERROR:db_mysql:db_mysql_submit_query: driver error on query: Unknown
column 'key_type' in 'field list'
ERROR:core:db_do_query: error while submitting query
ERROR:htable:ht_db_load_table: Error while querying db
ERROR:core:init_mod: failed to initialize module htable
ERROR:core:main: error while initializing modules
Thank you
Alex
On Wed, Dec 23, 2009 at 6:43 PM, Daniel-Constantin Mierla
<mico...@gmail.com <mailto:mico...@gmail.com>> wrote:
Hello,
On 12/23/09 4:28 PM, alex pappas wrote:
Hi all,
It is possible to have some help in defining the hash table?
I'm giving some parameters but some of them i don't really
understand them. my configuration is:
# --------- Htable ---------
modparam("htable", "htable", "a=>dbtable=ported1;")
modparam("htable", "db_url",
"mysql://pskoul:pskoul...@localhost/openser")
modparam("htable", "key_name_column", "phonenumber")
modparam("htable", "key_value", "prefix")
modparam("htable", "fetch_rows", 1000)
The table I want to htable is a 2 cols table (phonenumber,prefix)
In mysql they are defined as varchar(10). All the phonenumber
values are unique so the key in htable is phonenumber with value
in prefix.
what don't you understand? I do not know what to explain. Is there
any error you get? At least the parameter key_value is wrong,
should be key_value_column.
Cheers,
Daniel
Thanks All,
Alex
On Wed, Dec 23, 2009 at 1:04 PM, alex pappas
<rebel.pap...@gmail.com <mailto:rebel.pap...@gmail.com>> wrote:
Thank you Daniel,
I will try first oracle db and then htable which is also very
interesting. When I'm done I will get back with the results.
Cheers
Alex
On Wed, Dec 23, 2009 at 11:44 AM, Daniel-Constantin Mierla
<mico...@gmail.com <mailto:mico...@gmail.com>> wrote:
Hello,
On 12/22/09 1:25 PM, alex pappas wrote:
Hi all,
Concerning portability again :-)
Is there any way I can add in the memory all the numbers
with portability? (2.000.000 rows)?
And also reload these data a few times a day and access
this data from the Kamailio script?
while I advise usage of sqlops/sql_query() instead of
avpops/avp_db_query(), if you want to load such data in
memory should be in shared memory. For that look at
htable or maybe you can re-use pdt.
Cheers,
Daniel
Cheers
Alex
On Tue, Dec 22, 2009 at 12:56 AM, Henning Westerholt
<henning.westerh...@1und1.de
<mailto:henning.westerh...@1und1.de>> wrote:
On Mon, December 21, 2009 9:50 pm, Alex Balashov wrote:
> [..]
> Having said that, AVPs are still very useful and
necessary because they
> persist across the lifetime of a transaction, so
you can access them in
> subsequent reply and failure routes. This is not
true of user
> pseudovariables ($var(...)), nor, as far as I
know, of any other class
> of pseudovariable at this point except special
transaction-persistent
> ones exported by modules.
>
> As a result, it is often necessary for me to take
data from $dbr
> (sqlops) and load it into arrays of AVPs, such as
for example when doing
> custom fail-over in failure_route that uses logic
for which dispatcher
> is not suitable. I store a set of gateways in an
AVP array along with
> another AVP value indicating the current array
index and iterate over
> them in failure_route, and so on.
>
> Daniel taught me how to use AVP arrays once,
although I noticed this is
> not mentioned anywhere in the avpops
documentation. It should be
> published somewhere, as it is one of the most
useful programmatic
> features of Kamailio.
>
> Henning/Daniel, does Kamailio 3/SR offer any kind
of better substitute
> for what I am doing with AVPs as described above?
In other words, are
> there any transaction-persistent pseudovariables
and/or namespace
> containers that are easier to deal with
syntactically, and provide more
> advanced data structure primitives like arrays? I
am aware of htable,
> but I need something local to a transaction, not
global.
There are the $var PVs you already mentioned, and
then also the $shv that
are shared variables. But they are (process) global,
and not
transactional. Daniel proposed and developed the new
xavp type for sr
which are basically extended AVPs. More informations
can be found here:
http://sip-router.org/wiki/devel/xavp
Regards,
Henning
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* http://www.asipto.com/
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