public static void RemoveDefaultDiscriminator(
this StorageMappingFragment entityTypeMappingFragment, StorageEntitySetMapping entitySetMapping)
{
DebugCheck.NotNull(entityTypeMappingFragment);
var discriminatorColumn = entityTypeMappingFragment.RemoveDefaultDiscriminatorCondition();
if (discriminatorColumn != null)
{
var table = entityTypeMappingFragment.Table;
table.Properties
.Where(c => c.Name.Equals(discriminatorColumn.Name, StringComparison.Ordinal))
.ToList()
.Each(table.RemoveMember);
}
if (entitySetMapping != null &&
entityTypeMappingFragment.IsConditionOnlyFragment()
&&
!entityTypeMappingFragment.ColumnConditions.Any())
{
var entityTypeMapping =
entitySetMapping.EntityTypeMappings.Single(
etm => etm.MappingFragments.Contains(entityTypeMappingFragment));
entityTypeMapping.RemoveFragment(entityTypeMappingFragment);
if (entityTypeMapping.MappingFragments.Count == 0)
{
entitySetMapping.RemoveTypeMapping(entityTypeMapping);
}
}
}
