On 2014-08-19 21:47:26 +0800, Craig Ringer wrote:
> On 08/19/2014 06:21 PM, Andres Freund wrote:
> > 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. 
> Tom's objection to a GUC applies there too - a client app can send that
> when the underlying driver doesn't expect to get the results.

I don't really think this is true. With a GUC it's set for the whole
session or even users. With such a option to COMMIT it'd only set when
issued by something that actually does transparent failover (i.e. the
underlying driver).


Andres Freund

 Andres Freund                     http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services

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