Table per class or also called as "Table per concrete type" is a strategy used for mapping inherited entities supported by Entity Framework code first.
Questions tagged [table-per-class]
53 questions
0
votes
1 answer
NotSupportedException: The type A cannot be mapped as definede. Table per Concrete (TPC) EF6
I have model like:
public abstract class Entity
{
public int Id { get; set; }
}
public abstract class Tree : Entity
{
public Tree() { Childs = new List(); }
public int? ParentId { get; set; }
…
Mohammadreza
- 3,139
- 8
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- 56
0
votes
1 answer
EntityFramework Code First FluentAPI TPC
Here there are my domain entities:
public class Province
{
private ICollection _cities;
public virtual ICollection Cities
{
get { return _cities ?? (_cities = new HashSet()); }
set { _cities = value; }
…
iOne
- 153
- 2
- 12
0
votes
1 answer
Understanding of TABLE_PER_CLASS with keys in eclipselink
I have a simple Java EE 7 Web App with Eclipselink and the TABLE_PER_CLASS inheritance strategy.
Following classes:
@Inheritance(strategy = InheritanceType.TABLE_PER_CLASS)
@Entity
public abstract class AbstractService implements Serializable {
…
user3263327
- 47
- 5
0
votes
2 answers
eclipselink asking for class indicator field when using InheritanceType.TABLE_PER_CLASS
I already spend a few hours in trying to get that work.
I'm using the history policy to create a full historization for some of my tables. This is defined in an abstract class.
Then I have an normal entity implementing this class and defining it's…
RMM
- 21
- 4
0
votes
0 answers
Entity Framework TPC abstract identity issue
Came across a most odd error during model generation.
Apparently, the following is allowed:
public abstract class Entity
{
public string CreatedBy { get; set; }
public string ModifiedBy { get; set; }
}
public class Car
{
public int CarId {…
Klue
- 59
- 7
0
votes
1 answer
NHibernate: Persisting subclassed entity to main table (table per class strategy issue)
It is not a question but just for future... (spent many time to figure out)
public class A
{
public int Id { get; set; }
public string Name { get; set; }
public string Type { get; set; }
}
public class B : A
{
public string Lastname…
Victor Ponamarev
- 179
- 2
- 11
0
votes
1 answer
Entity Framework Table Per Concrete Type foreign key
I have the following class hierarchy
public class A
{
public int Id { get; set; }
public virtual IColection Items {get; set; }
}
public abstract class B
{
public int Id {get; set; }
public A Parent {get; set; }
}
public class C :…
lostaman
- 922
- 12
- 25
0
votes
1 answer
Hibernate Table Per Class & Set Mapping
I'll illustrate my issue with a contrived example to try and keep it as simple and easy to follow as possible. However my real issue is in legacy code and so I cannot change the schema or anything like that.
I have a table per class hiarachy in my…
samblake
- 1,517
- 3
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- 33