opaleye-0.6.7000.0: An SQL-generating DSL targeting PostgreSQL

Safe HaskellNone
LanguageHaskell2010

Opaleye.Internal.Sql

Synopsis

Documentation

data From Source #

Instances

data Join Source #

Constructors

Join 

Instances

data Values Source #

Constructors

Values 

Fields

Instances

data Binary Source #

Constructors

Binary 

Fields

Instances

data Label Source #

Constructors

Label 

Fields

Instances

data Returning a Source #

Constructors

Returning a (NonEmpty SqlExpr) 

data Exists Source #

Constructors

Exists 

Instances

empty :: Void -> select Source #

ensureColumnsGen :: (SqlExpr -> a) -> [a] -> NonEmpty a Source #

For ensuring that we have at least one column in a SELECT or RETURNING