Newtype used to avoid orphan instances for postgresql-simple classes.
Constructors
PunP :: PersistValue
Modulepersistent-postgresql-2.13.6.2Haskell2010
Database.Persist.Postgresql.Internal
- 2 types
- 1 value
- Packagepersistent-postgresql-2.13.6.2
- Exports3
- LanguageHaskell2010
- LicenceMIT
- SourceInternal.hs
Represent Postgres interval using NominalDiffTime
Constructors
Instances6Eq, Show, PersistField, PersistFieldSql, FromField, ToField
Eq PgIntervalDefined in persistent-postgresql-2.13.6.2 · Database.Persist.Postgresql.InternalShow PgIntervalDefined in persistent-postgresql-2.13.6.2 · Database.Persist.Postgresql.InternalPersistField PgIntervalDefined in persistent-postgresql-2.13.6.2 · Database.Persist.Postgresql.InternalPersistFieldSql PgIntervalDefined in persistent-postgresql-2.13.6.2 · Database.Persist.Postgresql.InternalFromField PgIntervalDefined in persistent-postgresql-2.13.6.2 · Database.Persist.Postgresql.InternalToField PgIntervalDefined in persistent-postgresql-2.13.6.2 · Database.Persist.Postgresql.Internal
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.