[Freeswitch-users] mod_lcr

[Madovsky]

Rupa,

I'd like to test PREFIX module form postgresql.

so in your postgresql sql I can see :

CREATE TABLE lcr
(
  ...
  digits NUMERIC(20, 0),
....
  prefix VARCHAR(16) NOT NULL DEFAULT '',
...
);

but in your PREFIX postgresql module example it's written :

create table rates (id serial not null, prefix prefix_range, [...]);
create index rates_prefix_idx on rates using gist (prefix gist_prefix_range_ops);
insert [...]
select * from rates where prefix @> '16666666666';
and in the custom example :...WHERE c.enabled = '1' AND cg.enabled = '1' AND l.enabled = '1' 
      AND digits_prefix @> '%q'
....
My question is how to uise the lcr table with PREFIX module of postgresql ?

Thaks

Franck


  ----- Original Message ----- 
  From: Rupa Schomaker 
  To: freeswitch-users 
  Sent: Thursday, June 10, 2010 8:38 AM
  Subject: Re: [Freeswitch-users] mod_lcr


  Read the part about how to define the table + the gist index.  The whole custom_sql thing assumes a familiarity with sql.  you can choose to not have a digits_prefix column and just change the datatype of prefix to prefix.  You can do what I did which is to have prefix be text and digits_prefix be of type prefix and a trigger to keep the two in sync.  the key is that you are searching against the prefix column for which there is a GIST index.  


  On Thu, Jun 10, 2010 at 2:53 AM, Madovsky <infos at madovsky.org> wrote:

    ok thanks I will read again

    F
      ----- Original Message ----- 
      From: Nandy Dagondon 
      To: freeswitch-users at lists.freeswitch.org 
      Sent: Thursday, June 10, 2010 3:09 AM
      Subject: Re: [Freeswitch-users] mod_lcr


      it's the digits_prefix in the WHERE clause that's causing the error. 

      ur question re prefix+digits, it's explained in the Custom SQL portion in the wiki.

      -nandy



      On Thu, Jun 10, 2010 at 2:56 PM, Madovsky <infos at madovsky.org> wrote:

        ok so it needs also the alias l.digits in the condition I think.
        I'm a little confused about digits and prefix.
        if I check a number with the country code is it need to join
        prefix+digits ? how with this kinkd of sql request ?

        Thanks

        F
          ----- Original Message ----- 
          From: Nandy Dagondon 
          To: freeswitch-users at lists.freeswitch.org 
          Sent: Thursday, June 10, 2010 2:44 AM
          Subject: Re: [Freeswitch-users] mod_lcr


          i think it's a typo. i changed digits_prefix to digits. to be sure, pls check the CREATE TABLE entries. 
          -nandy



          On Thu, Jun 10, 2010 at 2:16 PM, Madovsky <infos at madovsky.org> wrote:

            I'm experimenting with mod_lcr with postgresql (8.4.4)
            there s an example of custom sql on wiki below :

    <profile name="use_prefix">
      <param name="custom_sql" value="
SELECT l.digits, c.carrier_name, l.${lcr_rate_field}, cg.prefix AS gw_prefix, cg.suffix AS gw_suffix,
       l.lead_strip, l.trail_strip, l.prefix, l.suffix, cg.codec, l.cid
FROM lcr l 
     JOIN carriers c ON l.carrier_id=c.id 
     JOIN carrier_gateway cg ON c.id=cg.carrier_id 
WHERE c.enabled = '1' AND cg.enabled = '1' AND l.enabled = '1' 
      AND digits_prefix @> '%q'
      AND CURRENT_TIMESTAMP BETWEEN date_start AND date_end
ORDER BY digits DESC, ${lcr_rate_field} asc, random();
      "/>
    </profile>
however the query failed cause of digits_prefix field doesn't exist in the table.is it a typo ? or does it need a field concatenation of prefix and digits ?Thanks Franck
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  -- 
  -Rupa



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