Re: [HACKERS] Re: [COMMITTERS] pgsql: Prevent "snapshot too old" from trying to return pruned TOAST tu

2016-08-05 Thread Robert Haas
On Fri, Aug 5, 2016 at 11:05 AM, Tom Lane wrote: > Robert Haas writes: >> On Thu, Aug 4, 2016 at 10:58 PM, Robert Haas wrote: >>> What is the reason? We refuse to separate frontend and backend >>> headers in any sort of

Re: [HACKERS] Re: [COMMITTERS] pgsql: Prevent "snapshot too old" from trying to return pruned TOAST tu

2016-08-05 Thread Tom Lane
Robert Haas writes: > On Thu, Aug 4, 2016 at 10:58 PM, Robert Haas wrote: >> What is the reason? We refuse to separate frontend and backend >> headers in any sort of principled way? > That was poorly phrased. I'll try again: I can't see any reason