https://xminxmax.dev/tags/debugging/Recent content in Debugging on xmin/xmaxHugoen-usThu, 05 Nov 2026 00:00:00 +0000https://xminxmax.dev/posts/pg-scalpel-scripting-a-live-backend/Thu, 05 Nov 2026 00:00:00 +0000https://xminxmax.dev/posts/pg-scalpel-scripting-a-live-backend/pg_scalpel puts a Janet interpreter inside a running Postgres backend. From there you can look up any function or struct by name, call the server’s own C, and swap a function out for your own code, with no recompile and no restart. Here’s how it works, and what it costs.