Database.PostgreSQL.Simple.ToRow

The ToRow typeclass, for rendering a collection of parameters to a SQL query.

Predefined instances are provided for tuples containing up to ten elements.

Documentation

class ToRow a where

A collection type that can be turned into a list of rendering Actions.

Instances should use the toField method of the ToField class to perform conversion of each element of the collection.

Methods

toRow :: a -> [Action]

ToField a collection of values.

Instances

ToRow ()

ToField a => ToRow [a]

ToField a => ToRow (Only a)

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

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

(ToField a, ToField b, ToField c) => ToRow (a, b, c)

(ToField a, ToField b, ToField c, ToField d) => ToRow (a, b, c, d)

(ToField a, ToField b, ToField c, ToField d, ToField e) => ToRow (a, b, c, d, e)

(ToField a, ToField b, ToField c, ToField d, ToField e, ToField f) => ToRow (a, b, c, d, e, f)

(ToField a, ToField b, ToField c, ToField d, ToField e, ToField f, ToField g) => ToRow (a, b, c, d, e, f, g)

(ToField a, ToField b, ToField c, ToField d, ToField e, ToField f, ToField g, ToField h) => ToRow (a, b, c, d, e, f, g, h)

(ToField a, ToField b, ToField c, ToField d, ToField e, ToField f, ToField g, ToField h, ToField i) => ToRow (a, b, c, d, e, f, g, h, i)

(ToField a, ToField b, ToField c, ToField d, ToField e, ToField f, ToField g, ToField h, ToField i, ToField j) => ToRow (a, b, c, d, e, f, g, h, i, j)