hasql

An efficient PostgreSQL driver and a flexible mapping API

https://github.com/nikita-volkov/hasql

Version on this page:0.19.18.1
LTS Haskell 24.18:1.9.3.1
Stackage Nightly 2025-11-04:1.9.3.1
Latest on Hackage:1.9.3.2

See all snapshots hasql appears in

MIT licensed and maintained by Nikita Volkov
This version can be pinned in stack with:hasql-0.19.18.1@sha256:7f241a04c8f12edb88ef40f9bc0c6cc0bed0a0c4bf65e1cd5fe94c7b970b1351,6982

Module documentation for 0.19.18.1

Used by 3 packages in nightly-2017-09-13(full list with versions):
hasql-migration, hasql-pool, hasql-transaction

This package is the root of the "hasql" ecosystem.

The API is completely disinfected from exceptions. All error-reporting is explicit and is presented using the Either type.