Database.Persist.Postgresql.Internal

Documentation

newtype P

Newtype used to avoid orphan instances for postgresql-simple classes.

Since: 2.13.2.0

Constructors

P

Fields

• unP :: PersistValue

Instances

FromField P

Defined in Database.Persist.Postgresql.Internal

Methods

fromField :: FieldParser P

ToField P

Defined in Database.Persist.Postgresql.Internal

Methods

toField :: P -> Action

newtype PgInterval

Represent Postgres interval using NominalDiffTime

Since: 2.11.0.0

Constructors

PgInterval

Fields

• getPgInterval :: NominalDiffTime

Instances

Eq PgInterval

Defined in Database.Persist.Postgresql.Internal

Methods

(==) :: PgInterval -> PgInterval -> Bool

(/=) :: PgInterval -> PgInterval -> Bool

Show PgInterval

Defined in Database.Persist.Postgresql.Internal

Methods

showsPrec :: Int -> PgInterval -> ShowS

show :: PgInterval -> String

showList :: [PgInterval] -> ShowS

PersistFieldSql PgInterval

Defined in Database.Persist.Postgresql.Internal

Methods

sqlType :: Proxy PgInterval -> SqlType

PersistField PgInterval

Defined in Database.Persist.Postgresql.Internal

Methods

toPersistValue :: PgInterval -> PersistValue

fromPersistValue :: PersistValue -> Either Text PgInterval

FromField PgInterval

Defined in Database.Persist.Postgresql.Internal

Methods

fromField :: FieldParser PgInterval

ToField PgInterval

Defined in Database.Persist.Postgresql.Internal

Methods

toField :: PgInterval -> Action

getGetter :: Oid -> Getter PersistValue

Get the field parser corresponding to the given Oid.

For example, pass in the Oid of bool, and you will get back a field parser which parses boolean values in the table into PersistBools.

Since: 2.13.2.0