opaleye-0.6.7003.1: An SQL-generating DSL targeting PostgreSQL
Opaleye.Select
Description
Select and SelectArr are the composable units of database querying that are used in Opaleye.
Select
SelectArr
type Select = SelectArr () Source #
A Postgres SELECT, i.e. some functionality that can run via SQL and produce a collection of rows.
SELECT
Select a is analogous to a Haskell value [a].
Select a
[a]
type SelectArr = QueryArr Source #
SelectArr a b is analogous to a Haskell function a -> [b].
SelectArr a b
a -> [b]