This post is all about the performance of the “hasql” library and particularly its PostgreSQL back end in comparison to its popular direct competitors: “HDBC” and “postgresql-simple”. Benchmarks What makes Hasql so fast? Benchmarks The source of the PostgreSQL back end comes with a suite of 3 benchmarks. I’ll analyze them one by one. Results parsing In this benchmark a simple SELECT query without
I am currently in the early stages of a new project, plhaskell. plhaskell is a language handler for PostgreSQL that will allow you to write PostgreSQL functions in Haskell. The project has already taught me a lot, but recently I’ve had a somewhat mind bending encounter with what is almost dependently typed programming in Haskell - and I’ve just got to share it with you. Here’s the problem. At runt
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