table-per-hierarchy Questions
4
I'm using Table Per Hierarchy database inheritance where columns for all derived types are in a single table. Each derived table is identified using a string Discriminator field that holds the name...
Philtre asked 26/3, 2015 at 1:11
1
Solved
I'm moving from EF Core 2.2 to 3.1. One breaking change (#15392) was that it no longer composed over stored procedures, so you had to add 'AsEnumerable'. That usually works, but I have a stored pro...
Twentyone asked 7/4, 2020 at 0:22
4
I have a Garage which contains Cars and Motorcycles. Cars and motorcycles are Vehicles. Here they are:
public class Garage
{
public int Id { get; set; }
public virtual List<Car> Cars { get...
Gerrilee asked 2/1, 2014 at 21:56
3
I am working with a legacy system that implements a TPH for a certain number of items. So the current structure looks like this
Abstract Class 1 Abstract Class 2 Abstract Class 3
| | |
--------...
Figurine asked 1/8, 2015 at 18:44
1
Solved
EF 6.1 :
We just started a project that has a lot pf inheritance. The selected inheritance db mapping type is the table per hierarchy. The problem is that when trying to generate the migration usi...
Slumber asked 2/9, 2014 at 8:52
1
Solved
As of EF6 it is possible to do something like this when configuring Entity mappings using Table Per Hierarchy inheritance:
public class MyContext : DbContext
{
public DbSet<Device> Devices...
Inhalant asked 24/10, 2013 at 21:56
3
Solved
I am trying to understand the inheritance mappings in EF4.
My database has two tables with the following structure:
PersonCategory Table:
CategoryID (int) (identity) (PK)
CategoryType (nvarcha...
Junko asked 10/11, 2010 at 18:26
1
I have 4 classes A, B, B1, B2 with inheritance mapping described as below:
A (mapped to table A) is the top-most parent class and its inheritance mapping strategy is tablePerHierarchy=false (means ...
Directorate asked 11/8, 2011 at 9:52
1
Solved
First of all, these questions are similar but definitely not the same:
Can I mix Table per Hierarchy and Table per Type in Entity Framework? - Refers to a different scenario.
Entity Framework: mi...
Cabretta asked 17/5, 2011 at 17:53
1
Solved
I currently have a Entity Framework 4.0 model in place with Table Per Type (TPT), but there are a few performance issues (lots of LOJ's/CASE statements), as well as an issue mapping between two par...
Quilting asked 24/11, 2010 at 4:47
1
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