Tom Lane <t...@sss.pgh.pa.us> writes: > Andy Fan <zhihuifan1...@163.com> writes: >> My question is why can't we share the same snapshot for the 2 cases? >> parser & planner requires Catalog Snapshot which should be the >> latest one, but in the above case, looks the executor can reuse it as >> well. Is there anything I missed? > > Many years ago, we committed a patch to do exactly that. We had > to back it out again because it broke too many real-world scenarios. > I'm too lazy to search the archives for you, but you might be able > to find the commit and revert by searching the git history. > > regards, tom lane
Commit id is 532994299e2, thank you Tom! -- Best Regards Andy Fan