We have been writing blog posts about how to write simple extensions in C language and a little more complex one by Ibrar which were well received by PostgreSQL user community. Then we observed that many PostgreSQL users create simple triggers for small auditing requirements, and then feel the pain of trigger on transactions. So [&]

https://www.percona.com/blog/2019/08/15/faster-lightweight-trigger-function-in-c-for-postgresql/