Class UnknownBackendType Represents a PostgreSQL data type that isn't known to Npgsql and cannot be handled. Inheritance Object PostgresType UnknownBackendType Inherited Members PostgresType.OID PostgresType.Namespace PostgresType.Name PostgresType.FullName PostgresType.DisplayName PostgresType.InternalName PostgresType.Array PostgresType.Range PostgresType.ToString() Object.Equals(Object) Object.Equals(Object, Object) Object.GetHashCode() Object.GetType() Object.MemberwiseClone() Object.ReferenceEquals(Object, Object) Namespace: Npgsql.PostgresTypes Assembly: Npgsql.dll Syntax public class UnknownBackendType : PostgresType