Re: [HACKERS] No parameter values checking while creating Altersubscription...Connection

On 5/25/17 10:18, Masahiko Sawada wrote:
>> postgres=# alter subscription c1 connection 'port=4000';
>> ALTER SUBSCRIPTION
>> postgres=# alter subscription c1 connection 'dbname=cc';
>> ALTER SUBSCRIPTION
>>
> CREATE SUBSCRIPTION tries to connect to publisher to create
> replication slot or to get table list for table synchronization, not
> to check the connection parameter value. So if you specify connect =
> false then CREATE SUBSCRIPTION doesn't try to connect.

We don't make a connection attempt as part of ALTER SUBSCRIPTION.  I
guess we could just connect and disconnect to check that it works.

-- 
Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services