Moduleesqueleto-3.6.0.3Haskell2010

Database.Esqueleto.Experimental.From.SqlSetOperation

Synopsis

newtypenewtype SqlSetOperation a

Data type used to implement the SqlSetOperation language this type is implemented in the same way as a From

Semantically a SqlSetOperation is always a From but not vice versa

Instances2ToSqlSetOperation, ToFrom

ToSqlSetOperation (SqlSetOperation a) aDefined in esqueleto-3.6.0.3 · Database.Esqueleto.Experimental.From.SqlSetOperation
ToAliasReference a => ToFrom (SqlSetOperation a) aDefined in esqueleto-3.6.0.3 · Database.Esqueleto.Experimental.From.SqlSetOperation

classclass ToSqlSetOperation a r | a -> r where

Type class to support direct use of SqlQuery in a set operation tree

Instances2ToSqlSetOperation

ToSqlSetOperation (SqlSetOperation a) aDefined in esqueleto-3.6.0.3 · Database.Esqueleto.Experimental.From.SqlSetOperation
(SqlSelect a r, ToAlias a, ToAliasReference a) => ToSqlSetOperation (SqlQuery a) aDefined in esqueleto-3.6.0.3 · Database.Esqueleto.Experimental.From.SqlSetOperation

valuemkSetOperation

Helper function for defining set operations @since 3.5.0.0

classclass Union_ a where

Overloaded union_ function to support use in both SqlSetOperation and withRecursive

union_ :: a
UNION SQL set operation. Can be used as an infix function between SqlQuery values.

Instances2Union_

Union_ UnionKindDefined in esqueleto-3.6.0.3 · Database.Esqueleto.Experimental.From.CommonTableExpression
(ToSqlSetOperation a c, ToSqlSetOperation b c, res ~ SqlSetOperation c) => Union_ (a -> b -> res)Defined in esqueleto-3.6.0.3 · Database.Esqueleto.Experimental.From.SqlSetOperation

classclass UnionAll_ a where

Overloaded unionAll_ function to support use in both SqlSetOperation and withRecursive

unionAll_ :: a
UNION ALL SQL set operation. Can be used as an infix function between SqlQuery values.

Instances2UnionAll_

UnionAll_ UnionKindDefined in esqueleto-3.6.0.3 · Database.Esqueleto.Experimental.From.CommonTableExpression
(ToSqlSetOperation a c, ToSqlSetOperation b c, res ~ SqlSetOperation c) => UnionAll_ (a -> b -> res)Defined in esqueleto-3.6.0.3 · Database.Esqueleto.Experimental.From.SqlSetOperation

valueexcept_

EXCEPT SQL set operation. Can be used as an infix function between SqlQuery values.

valueintersect_

INTERSECT SQL set operation. Can be used as an infix function between SqlQuery values.