On Sat, Jun 4, 2016 at 10:58 PM, Vik Fearing <v...@2ndquadrant.fr> wrote:
> On 02/06/16 15:32, Bertrand Paquet wrote:
>> Hi,
>>
>> On an hot standby streaming server, is there any way to know, in SQL, to
>> know the ip of current master ?
>
> No.
>
>> The solution I have is to read the recovery.conf file to find
>> primary_conninfo,
>
> That is currently the only solution. There are plans to allow SQL
> access to the parameters in recovery.conf (or to merge them into
> postgresql.conf) but that's not currently possible.
>
It might not be a right way but how about using pg_read_file()?
postgres(1)=# select regexp_replace(pg_read_file('recovery.conf'),
'.*primary_conninfo = (.*)', '\1');
regexp_replace
---------------------------------------------------
'host=localhost port=5550 application_name=node1'+
(1 row)
You can get the master server information via SQL from standby server.
Regards,
--
Masahiko Sawada
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