relational-query-0.8.0.0: Typeful, Modular, Relational, algebraic query engine

Copyright2013 Kei Hibino
LicenseBSD3
Maintainerex8k.hibino@gmail.com
Stabilityexperimental
Portabilityunknown
Safe HaskellNone
LanguageHaskell2010

Database.Relational.Query.Scalar

Contents

Description

This module defines type classes and templates for scalar queries.

Synopsis

Single degree constraint

class PersistableWidth ct => ScalarDegree ct Source

Constraint which represents scalar degree.

Instances

defineScalarDegree :: TypeQ -> Q [Dec] Source

ScalarDegree instance templates.