I’m fascinated by Postgres: the more I learn about it, the more I realize how much I still don’t know. Recently I discovered its asynchronous communication capabilities, which apparently have been around for a long time ¯\(ツ)/¯ Let’s look at the two most interesting commands related to this topic, NOTIFY and LISTEN. Here’s what the documentation has to say on them: NOTIFY provides a simple interprocess communication mechanism for a collection of processes accessing the same Postgr...| citizen428.net