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
Constructors
SqlSetOperationunSqlSetOperation :: NeedParens -> SqlQuery (a, IdentInfo -> (Builder, [PersistValue]))
Instances2ToSqlSetOperation, ToFrom
ToSqlSetOperation (SqlSetOperation a) aDefined in esqueleto-3.6.0.3 · Database.Esqueleto.Experimental.From.SqlSetOperationToAliasReference a => ToFrom (SqlSetOperation a) aDefined in esqueleto-3.6.0.3 · Database.Esqueleto.Experimental.From.SqlSetOperation