Opaleye

An SQL-generating DSL targeting PostgreSQL. Allows Postgres queries to be written within Haskell in a typesafe and composable fashion.

You might like to look at

• Basic tutorial
• Manipulation tutorial
• Advanced tutorial
• If you are confused about the Default typeclass, then the Default explanation

Documentation

module Opaleye.Aggregate

module Opaleye.Binary

module Opaleye.Column

module Opaleye.Constant

module Opaleye.Distinct

module Opaleye.FunctionalJoin

module Opaleye.Join

module Opaleye.Label

module Opaleye.Manipulation

module Opaleye.Operators

module Opaleye.Order

module Opaleye.PGTypes

module Opaleye.QueryArr

module Opaleye.RunQuery

module Opaleye.Sql

module Opaleye.Table

module Opaleye.Values