Tagged: database

The peculiar event sourced deadlock []

THE <abbr>UNDEAD</abbr> LOCK <abbr>OF</abbr> DETH

One thing that always surprises me is how casually serious problems are phrased by business people in their blissful ignorance. “Hey why am I seeing the down for maintenance screen?” “Oh try it now, the pack uploading has finished”, Said the QA engineer to the product manager. Once I saw …

Pragmatic Haskell III: Beam Postgres DB []

Note, I no longer recommend using beam for business as ORM. Please use persistent instead. Beam is far to complicated for it’s use case. Migrations can be run with postgresql-migration for example, using the suggested migrations from persistent. I’d only recommend using beam for hobby projects or as …