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Re: dblink does not resolve DNS, but works with IP

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On 05/14/2013 09:17 PM, Mike Christensen wrote:
If I have this:

CREATE OR REPLACE VIEW Link.Foo AS
   select * from dblink(
     'hostaddr=123.123.123.123 dbname=KitchenPC user=Website
password=secret',
     'select * from Foo') as ...

Then it works.  However, if I do:

CREATE OR REPLACE VIEW Link.Foo AS
   select * from dblink(
     'hostaddr=db.domain.com <http://db.domain.com> dbname=KitchenPC
user=Website password=secret',
     'select * from Foo') as ...

Then I get:

ERROR:  could not establish connection
DETAIL:  could not translate host name "db.domain.com
<http://db.domain.com>" to address: Unknown host

However, from a command prompt I can ping db.domain.com
<http://db.domain.com> and get 123.123.123.123.

Does dblink just not support DNS resolution?  I really don't want to
hard code IP addresses in my scripts.  Thanks!

See below for explanation of hostaddr and host. Short version, you are looking for host:

http://www.postgresql.org/docs/9.2/interactive/libpq-connect.html#LIBPQ-PARAMKEYWORDS


--
Adrian Klaver
adrian.klaver@xxxxxxxxx


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