From: | Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com> |
---|---|
To: | Petr Jelinek <petr(dot)jelinek(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com> |
Cc: | Kuntal Ghosh <kuntalghosh(dot)2007(at)gmail(dot)com>, Euler Taveira <euler(at)timbira(dot)com(dot)br>, Dmitry Dolgov <9erthalion6(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Create subscription with `create_slot=false` and incorrect slot name |
Date: | 2017-05-26 21:05:37 |
Message-ID: | 4caa914a-1c15-54be-3572-81fab9670ae8@2ndquadrant.com |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-hackers |
On 5/25/17 19:16, Petr Jelinek wrote:
>> The reported error is just one of many errors that can happen when DROP
>> SUBSCRIPTION tries to drop the slot (doens't exist, still active, no
>> permission, etc.). We don't want to give the hint that is effectively
>> "just forget about the slot then" for all of them. So we would need
>> some way to distinguish "you can't do this right now" from "this would
>> never work" (400 vs 500 errors).
>>
> This specific error returns ERRCODE_UNDEFINED_OBJECT error code so we
> could check for it and offer hint only for this case.
We would have to extend the walreceiver interface a little to pass that
through, but it seems doable.
--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
From | Date | Subject | |
---|---|---|---|
Next Message | Amit Kapila | 2017-05-26 21:06:56 | Re: Regarding Postgres Dynamic Shared Memory (DSA) |
Previous Message | Peter Eisentraut | 2017-05-26 20:58:55 | Re: ALTER SUBSCRIPTION ..SET PUBLICATION <no name> refresh is not throwing error. |