Please refer to the documentation for the database in question for a full overview of the semantics of the varying isolation levels
Instances5Bounded, Enum, Eq, Ord, Show
Bounded IsolationLevelDefined in persistent-2.18.1.0 · Database.Persist.SqlBackend.Internal.IsolationLevelEnum IsolationLevelDefined in persistent-2.18.1.0 · Database.Persist.SqlBackend.Internal.IsolationLevelEq IsolationLevelDefined in persistent-2.18.1.0 · Database.Persist.SqlBackend.Internal.IsolationLevelOrd IsolationLevelDefined in persistent-2.18.1.0 · Database.Persist.SqlBackend.Internal.IsolationLevelShow IsolationLevelDefined in persistent-2.18.1.0 · Database.Persist.SqlBackend.Internal.IsolationLevel