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Re: Problem with pl/python procedure connecting to the internet

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On 08/23/2015 12:09 AM, Igor Sosa Mayor wrote:
"Charles Clavadetscher" <clavadetscher@xxxxxxxxxxxx> writes:

Are you sure that you really use exactly the same code? The indication
"survice unknown" seems to point to an error in the URL and not to an
authorization problem. Maybe some encoding problem?

THnaks for your hints.

Yes, exactly the same code. Exactly the same query: two consoles, one
with postgres, other with ipython. Postgres gives the error; ipython
works.

The irritating thing is that you mention that it works sometimes and
sometimes not. Getting back to the encoding problem idea, is there a
difference if you call the function with a name containing special
characters (e.g. "é", "à", "ñ") or not?

No special characters in the query. To be honest: it worked only 2-3
times at work and I thought 'finally I managed to do it work'. But since
then, it is not working anymore...

In any case: I'm pretty sure it is a problem of postgres which is not
able to make the connection. If I put a parameter timeout=15,
postgres gives immediately the same error.

I tried it here, using your functions, and could not get it to fail:

Running as postgres user.

test=# select version();
version
-----------------------------------------------------------------------------------------------------------------------------
PostgreSQL 9.4.2 on i686-pc-linux-gnu, compiled by gcc (SUSE Linux) 4.8.1 20130909 [gcc-4_8-branch revision 202388], 32-bit
(1 row)

Python 2. I did change the plpython2u to plpythonu in geocodificar as I have only the one version of plpythonu installed.


test=# create table lat_long(ciudad text, pais text, latitute numeric not null, longitude numeric not null);

create trigger lat_lon before insert or update on lat_long for each row execute procedure anadirgeocoord();

test=# insert into  lat_long (ciudad, pais) values ('Bellingham', 'USA');
INSERT 0 1
test=# insert into  lat_long (ciudad, pais) values ('Seattle', 'USA');
INSERT 0 1
test=# insert into  lat_long (ciudad, pais) values ('London', 'UK');
INSERT 0 1
test=# insert into  lat_long (ciudad, pais) values ('Perth', 'AU');
INSERT 0 1
test=# select * from lat_long ;
   ciudad   | pais |  latitute   |  longitude
------------+------+-------------+--------------
 Bellingham | USA  |   48.754402 | -122.4788602
 Seattle    | USA  |  47.6038321 | -122.3300624
 London     | UK   |  51.5073219 |   -0.1276474
 Perth      | AU   | -31.9527121 |  115.8604796
(4 rows)

test=# update lat_long set pais= 'UK' where ciudad ='Bellingham';
UPDATE 1
test=# select * from lat_long ;
   ciudad   | pais |  latitute   |  longitude
------------+------+-------------+--------------
 Seattle    | USA  |  47.6038321 | -122.3300624
 London     | UK   |  51.5073219 |   -0.1276474
 Perth      | AU   | -31.9527121 |  115.8604796
 Bellingham | UK   |  55.1443709 |   -2.2549272
(4 rows)

So it is something to do with the setup on your laptop.






--
Adrian Klaver
adrian.klaver@xxxxxxxxxxx


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