Re: [HACKERS] Fix doc of DROP SUBSCRIPTION

2017-06-30 Thread Petr Jelinek 
On 30/06/17 15:17, Yugo Nagata wrote:
> On Fri, 30 Jun 2017 20:17:39 +0900
> Masahiko Sawada  wrote:
> 
>> On Fri, Jun 30, 2017 at 7:01 PM, Yugo Nagata  wrote:
>>> Hi,
>>>
>>> The documentation says that a subscription that has a replication slot
>>> cannot be dropped  in a transaction block, but it is not allowed even
>>> outside of a transaction block.
>>
>> Hmm, I think we can drop a subscription outside of a transaction block
>> even if the subscription associates with a replication.
> 
> Sorry, I was wrong and missing something... I confirmaed it.
> The documentation is right. Sorry for the noise.
> 

It will only fail if the remote site is not reachable during the drop
(but then it should hint about the ALTER), maybe that's what happened to
you?

-- 
  Petr Jelinek  http://www.2ndQuadrant.com/
  PostgreSQL Development, 24x7 Support, Training & Services


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Re: [HACKERS] Fix doc of DROP SUBSCRIPTION

2017-06-30 Thread Yugo Nagata 
On Fri, 30 Jun 2017 20:17:39 +0900
Masahiko Sawada  wrote:

> On Fri, Jun 30, 2017 at 7:01 PM, Yugo Nagata  wrote:
> > Hi,
> >
> > The documentation says that a subscription that has a replication slot
> > cannot be dropped  in a transaction block, but it is not allowed even
> > outside of a transaction block.
> 
> Hmm, I think we can drop a subscription outside of a transaction block
> even if the subscription associates with a replication.

Sorry, I was wrong and missing something... I confirmaed it.
The documentation is right. Sorry for the noise.

> 
> =# table pg_subscription;
>  subdbid | subname  | subowner | subenabled |subconninfo
>  | subslotname | subsynccommit | subpublications
> -+--+--++---+-+---+-
>13164 | hoge_sub |   10 | t  | dbname=postgres
> port=5550 | hoge_sub| off   | {one_pub}
> (1 row)
> 
> =# drop subscription hoge_sub ;
> DROP SUBSCRIPTION
> 
> Regards,
> 
> --
> Masahiko Sawada
> NIPPON TELEGRAPH AND TELEPHONE CORPORATION
> NTT Open Source Software Center


-- 
Yugo Nagata 


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Re: [HACKERS] Fix doc of DROP SUBSCRIPTION

2017-06-30 Thread Masahiko Sawada 
On Fri, Jun 30, 2017 at 7:01 PM, Yugo Nagata  wrote:
> Hi,
>
> The documentation says that a subscription that has a replication slot
> cannot be dropped  in a transaction block, but it is not allowed even
> outside of a transaction block.

Hmm, I think we can drop a subscription outside of a transaction block
even if the subscription associates with a replication.

=# table pg_subscription;
 subdbid | subname  | subowner | subenabled |subconninfo
 | subslotname | subsynccommit | subpublications
-+--+--++---+-+---+-
   13164 | hoge_sub |   10 | t  | dbname=postgres
port=5550 | hoge_sub| off   | {one_pub}
(1 row)

=# drop subscription hoge_sub ;
DROP SUBSCRIPTION

Regards,

--
Masahiko Sawada
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center


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