public override long?IndexGetOwningUniquenessConstraintId(IndexDescriptor index)
{
StoreIndexDescriptor storeIndexDescriptor = GetStoreIndexDescriptor(index);
if (storeIndexDescriptor != null)
{
// Think of the index as being orphaned if the owning constraint is missing or broken.
long?owningConstraint = storeIndexDescriptor.OwningConstraint;
return(_schemaCache.hasConstraintRule(owningConstraint) ? owningConstraint : null);
}
return(null);
}