u/nikita-volkov

Hasql v2 is out. It can now run natively in Haskell with no external dependencies, or the same way it always has, using "libpq". It's the user's choice now. No performance degradation and minimal changes to the API.

Read the attached post for details.

Blog post announcing pqi. It makes libpq a choice rather than a hard dependency for PostgreSQL drivers: write against one interface, then swap a single dependency to pick your transport - battle-tested C, or an experimental pure-Haskell adapter.