Building Cardinal, Part 2: What a Query Plan Knows About Its Rows
Peter Calvanelli
Keys and dependencies flow through a query plan the way types flow through a program. Part two is about that walk, and the evidence it leaves behind.
Peter Calvanelli
Personal website with essays and a blog.
Building Cardinal, Part 1: Checking SQL Without Running It
Peter Calvanelli
I'm building a static checker for dbt projects, in the open. It never connects to a warehouse. That's the whole trick.
In Praise of Epistemic Closure
Peter Calvanelli
An agent that can read anything can be told anything. I'd rather give it a smaller world.
Meaning Is a Feedback Loop
Peter Calvanelli
Agents will soon act on your data. Who tells them what it means?