private static void MoveDefaultDiscriminator(
StorageMappingFragment fromFragment, StorageMappingFragment toFragment)
{
var discriminatorColumn = fromFragment.GetDefaultDiscriminator();
if (discriminatorColumn != null)
{
var discriminator = fromFragment.ColumnConditions.SingleOrDefault(
cc => cc.ColumnProperty == discriminatorColumn);
if (discriminator != null)
{
fromFragment.RemoveDefaultDiscriminatorAnnotation();
fromFragment.RemoveConditionProperty(discriminator);
toFragment.AddDiscriminatorCondition(discriminator.ColumnProperty, discriminator.Value);
toFragment.SetDefaultDiscriminator(discriminator.ColumnProperty);
}
}
}
