Re: Reporting the commit LSN at commit time

On 2014-08-19 08:21:10 +0800, Craig Ringer wrote:
> On 08/19/2014 01:03 AM, Robert Haas wrote:
> > 2. I agree that it's not good to have this get controlled by a GUC.
> > If the behavior change is big enough that it's going to break clients,
> > adding a GUC isn't a sufficient remedy.  If it's not, adding a GUC is
> > unnecessary.
> 
> There's plenty of agreement on "not a GUC" - but what about alternatives?

What's the problem with the COMMIT WITH (report_lsn on) I've proposed?
Reporting the LSN in the command tag? Anything doing transparent
failover needs to be aware of transaction boundaries anyway. 

Greetings,

Andres Freund

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