Re: [BUGS] Concurrent ALTER SEQUENCE RESTART Regression

On Thu, Apr 27, 2017 at 10:12 AM, Andres Freund <andres@anarazel.de> wrote:
> On 2017-04-26 21:07:20 -0400, Peter Eisentraut wrote:
>> One thing we could do, since all catalog updates now go through
>> CatalogTupleUpdate(), is not use simple_heap_update() there but do the
>> heap_update() directly and provide a better user-facing error message.
>
> I think it's unacceptable to regress with an error message here.  I've
> seen sequence DDL being used while concurrent DML was onging in a number
> of production use cases, and just starting to error out instead of
> properly blocking doesn't seem acceptable to me.

+1'ing on this argument.
-- 
Michael


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