Re:I rewrote PostHog's SQL parser, 70x faster, while barely ...
by boiler_up800 on Wednesday June 24, 2026 @09:32PM
(#48667735)
Very good and interesting article, particularly the “loop” that he ended up with.
Amusing anecdotes on LLMs to:
> It did, in fact, make a lot of mistakes, kept doubting whether such a rewrite was even possible, and wanted to call it a day after each round of coding.
> Hilariously one of the most effective was to tell Claude to “think really hard about edge cases" in a background agent.
Amusing anecdotes on LLMs to:
> It did, in fact, make a lot of mistakes, kept doubting whether such a rewrite was even possible, and wanted to call it a day after each round of coding.
> Hilariously one of the most effective was to tell Claude to “think really hard about edge cases" in a background agent.