Database.PostgreSQL.Query.Entity.Class

Documentation

class Entity a where

Auxiliary typeclass for data types which can map to rows of some table. This typeclass is used inside functions like pgSelectEntities to generate queries.

Associated Types

data EntityId a :: *

Id type for this entity

Methods

tableName :: Proxy a -> FN

Table name of this entity

fieldNames :: Proxy a -> [FN]

Field names without id and created. The order of field names must match with order of fields in ToRow and FromRow instances of this type.

type Ent a = (EntityId a, a)

Entity with it's id