On 26.04.2013 19:50, Magnus Hagander wrote:
On Fri, Apr 26, 2013 at 6:43 PM, Simon Riggs<si...@2ndquadrant.com>  wrote:
On 26 April 2013 17:25, Heikki Linnakangas<hlinnakan...@vmware.com>  wrote:
Actually, from a usability point of view I think would be nice to have just
one setting, "recovery_target". It's already somewhat confusing to have
recovery_target_xid, recovery_target_time, and recovery_target_name, which
are mutually exclusive, and recovery_target_inclusive which is just a
modifier for the others. Maybe something like:

recovery_target = 'xid 1234'
recovery_target = 'xid 1234 exclusive'
recovery_target = '2013-04-22 12:33'
recovery_target = '2013-04-22 12:33 exclusive'
recovery_target = 'consistent'
recovery_target = 'name: daily backup'

So now you want to change the whole existing API so it fits with your
one new requirement?

No, I think the above would be a usability improvement whether or not we add the new feature.

I like that newer API suggestion better than what we have now - though
it can perhaps be improved even more. But I definitely don't think
it's worth breaking backwards compatibility for it. There are lots of
tools and scripts and whatnot out there that use the current API. I
think we need a bigger improvement than just a cleaner syntax to break
those.

It would be possible to do it in a backwards-compatible way, keeping the old API as is. But yeah, might not be worth the effort.

- Heikki


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