groundhog

Type-safe datatype-database mapping library.

Version on this page:	0.7.0.2@rev:2
LTS Haskell 19.33:	0.12.0
Stackage Nightly 2022-03-17:	0.12.0
Latest on Hackage:	0.12.0

See all snapshots groundhog appears in

BSD-3-Clause licensed and maintained by Boris Lykah

This version can be pinned in stack with:groundhog-0.7.0.2@sha256:29ff5009d51d7e5e07781c94348999f91152c84daa5143e188c326ab32e968e3,2343

Module documentation for 0.7.0.2

Database
- Database.Groundhog

Depends on 14 packages(full list with versions):

aeson, base, base64-bytestring, blaze-builder, bytestring, containers, monad-control, monad-logger, mtl, scientific, text, time, transformers, transformers-base

Used by 4 packages in lts-1.9(full list with versions):

groundhog-mysql, groundhog-postgresql, groundhog-sqlite, groundhog-th

This library maps your datatypes to a relational model, in a way similar to what ORM libraries do in object-oriented programming. The mapping can be configured to work with almost any schema. Groundhog supports schema migrations, composite keys, advanced expressions in queries, and much more. See tutorial https://www.fpcomplete.com/user/lykahb/groundhog and examples https://github.com/lykahb/groundhog/tree/master/examples on GitHub.