Hacker News Reader

> Imagine SQL was instead based on an actual programming language, with variables and functions.

This is what the entire article is about. That paragraph is meant to illustrate the problem of SQL through an analogy.

The article is about functors. Some new concept that gives you a tiny subset of the functionality that a full language provides. Most languages have loops, control structures, the ability to store any data as a variable.

Reply on news.ycombinator.com