On 18/8/2025 13:50, Kirill Reshke wrote:
> Hi!
>
> On Sun, 17 Aug 2025 at 23:34, Xuan Chen <cx0222@vip.qq.com> wrote:
>>
>> - Any relevant references in the source code (planner, plancache.c, executor) that I should study would be very
helpful.
>
> Here is extension implementing saving and restoring plans[0]
>
>
> [0]https://github.com/postgrespro/sr_plan
>
I wouldn't recommend this obsolete version of the extension. Since the
QueryId was introduced, we have redesigned it extensively, with the
basic idea that QueryId serves as a 'query plan class' and that matching
parse trees provide a proof of matching incoming queries with their
corresponding [parameterised] plans.
--
regards, Andrei Lepikhov
