Writing Postgres functions in C is not nearly as scary as it sounds. Here are some stats functions I wrote for a Rails app. The histogram function in particular

Writing Postgres functions in C is not nearly as scary as it sounds. Here are some stats functions I wrote for a Rails app. The histogram function in particular was the driver, since it was parameterized on bucket size/count/start so uncacheable: https://github.com/pjungwir/aggs_for_arrays/ https://github.com/pjungwir/aggs_for_arrays/