preql-0.6: safe PostgreSQL queries using Quasiquoters

Safe Haskell	None
Language	Haskell2010

Preql.FromSql.TH

Description

Construct FromSql instances

Synopsis

deriveFromSqlTuple :: Int -> Q [Dec]
deriveFromSql :: Name -> Q [Dec]
tyVarName :: TyVarBndr -> Name
fromSqlDecl :: Type -> Name -> [Type] -> Dec
deriveFromSqlFieldTuple :: Int -> Q [Dec]
hasTyVar :: Type -> Bool

Documentation

deriveFromSqlTuple :: Int -> Q [Dec] Source #

instance (FromSql a, FromSql b) => FromSql (a, b)

deriveFromSql :: Name -> Q [Dec] Source #

derive a FromSql instance for a record type (field names are not required, but there must be only one constructor)

tyVarName :: TyVarBndr -> Name Source #

fromSqlDecl :: Type -> Name -> [Type] -> Dec Source #

deriveFromSqlFieldTuple :: Int -> Q [Dec] Source #

hasTyVar :: Type -> Bool Source #