Example #1
0
        /// <summary>
        ///     This is an internal API that supports the Entity Framework Core infrastructure and not subject to
        ///     the same compatibility standards as public APIs. It may be changed or removed without notice in
        ///     any release. You should only use it directly in your code with extreme caution and knowing that
        ///     doing so can result in application failures when updating to a new Entity Framework Core release.
        /// </summary>
        public virtual EntityProjectionExpression UpdateEntityType([NotNull] IEntityType derivedType)
        {
            Check.NotNull(derivedType, nameof(derivedType));

            if (!derivedType.GetAllBaseTypes().Contains(EntityType))
            {
                throw new InvalidOperationException(CosmosStrings.InvalidDerivedTypeInEntityProjection(
                                                        derivedType.DisplayName(), EntityType.DisplayName()));
            }

            return(new EntityProjectionExpression(derivedType, AccessExpression));
        }