Database.Relational.Query.Monad.Unique

This module contains definitions about unique query type to support scalar queries.

Documentation

data QueryUnique a

Unique query monad type.

Instances

Monad QueryUnique

Functor QueryUnique

Applicative QueryUnique

MonadQuery QueryUnique

MonadQualify ConfigureQuery QueryUnique

unsafeUniqueSubQuery

Arguments

:: NodeAttr

Attribute maybe or just

-> Qualified SubQuery

SubQuery to join

-> QueryUnique (Projection c r)

Result joined context and SubQuery result projection.

Unsafely join sub-query with this unique query.

toSubQuery

Arguments

:: QueryUnique (PlaceHolders p, Projection c r)

QueryUnique to run

-> ConfigureQuery SubQuery

Result SubQuery with Qualify computation

Run SimpleQuery to get SubQuery with Qualify computation.