groundhog

Type-safe datatype-database mapping library.

Version on this page:	0.7.0@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@sha256:44d84afe8c6f603f9945a6bc609f3612d903c173f08e260f30d9828a7da2947a,2214

Module documentation for 0.7.0

Database
- Database.Groundhog
  - Database.Groundhog.Core
  - Database.Groundhog.Expression
  - Database.Groundhog.Generic
    - Database.Groundhog.Generic.Migration
    - Database.Groundhog.Generic.PersistBackendHelpers
    - Database.Groundhog.Generic.Sql
      - Database.Groundhog.Generic.Sql.Functions
  - Database.Groundhog.Instances

Depends on 11 packages(full list with versions):

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

Used by 4 packages in lts-0.3(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.