On 05/27/2013 04:58 PM, Craig Ringer wrote:
>
> On 05/28/2013 12:41 AM, Simon Riggs wrote:
>> I'm happy with that.
>>
>> I was also thinking about collecting changes not related just to disk
>> format, if any exist.
> Any wire protocol or syntax changes?
>
> I can't seem to find a "things we want to do in wire protocol v4" doc in
> the wiki but I know I've seen occasional discussion of things that can't
> be done without protocol changes. Anyone with a better memory than me
> able to pitch in?
>
> What'd be required to support in-band query cancellation? Sending
> per-statement GUCs (to allow true statement timeout)?
>
I would like to see the ability to define if a query is read only at the
protocol level, so that load balances that speak libpq can know what to
do with the query without parsing it.
JD
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