Re: Inadequate thought about buffer locking during hot standby replay

On 14/11/12 04:32, Merlin Moncure wrote:
> On Tue, Nov 13, 2012 at 9:03 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>>> Ok. It won't help all that much on 9.0, though.
>> Well, it won't help GIST much, but the actually-reported-from-the-field
>> case is in btree, and it does fix that.
>>
>> It occurs to me that if we're sufficiently scared of this case, we could
>> probably hack the planner (in 9.0 only) to refuse to use GIST indexes
>> in hot-standby queries.  That cure might be worse than the disease though.
> if anything, it should be documented.  if you do this kind of thing
> people will stop installing bugfix releases.
>
> merlin
>
>
How about displaying a warning, when people try to use the 'feature', as 
well as document it?

Cheers,
Gavin