On Fri, Feb 14, 2020 at 11:59 AM, 王胜利 wrote: > I am glad to know you are working on PG accumulated statistics feature, and I am interested on it. > I see these two patch file you made, can you let me know which branch of PG code based? > > when I use this: https://github.com/postgres/postgres/commits/master, and apply these patches, report some error.
Thanks for Wang's mail, I noticed my 0002 patch was wrong from v3.
Here, I attach correct patches.
Also I will begin to do some benchmark with higher scale and higher number of users and try to change stats reporting implementation to not affect performance, which I couldn't have not started because of another tasks.