Database.Ribbit.PostgreSQL

"postgresql-simple"-backed query ribbit implementation.

Documentation

query :: (MonadIO m, Render query, ToRow (ArgsType query), FromRow (ResultType query)) => Connection -> Proxy query -> ArgsType query -> m [ResultType query]

Execute a query against a PostgreSQL database connection.

class FromRow a

Like FromRow, but defined here so we can avoid orphaned instances.

Minimal complete definition

fromRow

Instances

FromField a => FromRow (Only a)

Defined in Database.Ribbit.PostgreSQL

Methods

fromRow :: RowParser (Only a)

(FromRow a, FromRow b) => FromRow (a :> b)

Defined in Database.Ribbit.PostgreSQL

Methods

fromRow :: RowParser (a :> b)

class ToRow a

Like ToRow, but defined here to avoid orphan instances.

Minimal complete definition

toRow

Instances

ToRow ()

Defined in Database.Ribbit.PostgreSQL

Methods

toRow :: () -> [Action]

ToField a => ToRow (Only a)

Defined in Database.Ribbit.PostgreSQL

Methods

toRow :: Only a -> [Action]

(ToRow a, ToRow b) => ToRow (a :> b)

Defined in Database.Ribbit.PostgreSQL

Methods

toRow :: (a :> b) -> [Action]