Andy Fan <zhihuifan1...@163.com> writes: > Tom Lane <t...@sss.pgh.pa.us> writes: >> 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.
> Commit id is 532994299e2, thank you Tom! Ah, cool. If you didn't find it already, there should be a pgsql-hackers or pgsql-bugs thread of approximately that date with more detail. Sadly, we didn't adopt the convention of including Discussion: links in commit messages till some years after that. regards, tom lane