Managed Beta 2 - projects of the Entity Framework does not

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  Hi markwiggins,

  Follow these steps:

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• Entity Framework does not load the DB Oracle Types columns

  Hello world
  
  It is my first foray in EF and EF on Oracle, so go easy on me please!
  
  I use the ODAC beta 2 with VWD2010 and declaring my class of entity with the types of Oracle, for example. OracleString, etc. OracleDate.
  Everything seems ok, but when I insert my entity from the database, only DB columns reported in my class of entity types with .net (not the Oracle ones) are loaded.
  

  public class Customer {
  
  [Required]public string ACCOUNT {get; set;}
  
  [Required] public OracleString NAME{get; set;}
  
  }

  OracleDB _db = new OracleDB();
  
  string Account  = "TESTCLIENT";
  
  var customer = (from c in _db.Customer where c.ACCOUNT == Account select c);  

  If in the case above, the entity has only the value of ACCOUNT set. The NAME value is set to null.
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  Am I missing something? Or can we not use these types in EF?
  
  Thank you
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  You are not supposed to use the types of Oracle in the FE model. You use .net types and EF manages the conversion to types as necessary to interact with the Oracle database.

• TPT entity framework does not--> showstopper

  Greetings,
  
  I am facing a similar problem that is described here:
  
  [EF and legacy - EF Possible bug?: http://stackoverflow.com/questions/11506683/entity-framework-and-inheritance-possible-bug-in-ef.]
  
  I use:
  
  Windows 7 64 bit
  ODAC 11.2 Release 5 32 bit
  Oracle 11.2 Express on localhost
  Visual Studio 2012
  Framework of the entity 5.0
  .NET 4.5
  
  Create a simple database with TPT inheritance:
  
  
  CREATE TABLE person)
  ID NOT NULL, NUMBER (38, 0)
  Name VARCHAR2 (50).
  PK100 CONSTRAINT PRIMARY KEY (Id)
  )
  ;
  CREATE TABLE Employee)
  ID NOT NULL, NUMBER (38, 0)
  JobTitle VARCHAR2 (50).
  PK101 CONSTRAINT PRIMARY KEY (Id)
  )
  ;
  ALTER TABLE Employees ADD CONSTRAINT ref_Employee_person
  FOREIGN KEY (Id)
  REFERENCE Person (Id)
  ;
  CREATE TABLE Superhero)
  ID NOT NULL, NUMBER (38, 0)
  Superpower VARCHAR2 (50).
  PK102 CONSTRAINT PRIMARY KEY (Id)
  )
  ;
  ALTER TABLE ADD CONSTRAINT of superhero ref_Superhero_person
  FOREIGN KEY (Id)
  REFERENCE Person (Id)
  ;
  -Sequence
  CREATE SEQUENCE seq_id
  INCREMENT BY 1
  START BY 55
  MINVALUE 1
  MAXVALUE 9999999999999999999999999999
  NOCYCLE
  ALL
  CACHE 20
  /
  CREATE OR REPLACE TRIGGER PERSON_BI BEFORE INSERT ONE PERSON FOR EACH LINE
  BEGIN IF: NEW.ID IS NULL, THEN SELECT SEQ_ID. NEXTVAL INTO: DOUBLE NEW.ID; END IF; END;
  /
  
  Create a console application, add an edmx file, set up heritage as follows:
  
  Diagram
  
  And I put the Id property of the Person as StoreGeneratedPattern entity identity
  
  Next, I created the following program:
  
  
  public static void Main (string [] args)
  {
  Employee
  var db = new Entities();
  EMPLOYEE e = new EMPLOYEE() {ID = 0, JOBTITLE = 'Programmer'};
  e.NAME = 'John Doe regular';
  DB. People.Add (e);
  Superhero
  Superhero s = new SUPERHERO();
  s.NAME = "Superman";
  s.SUPERPOWER = "flight."
  DB. People.Add (s);
  DB. SaveChanges();
  
  Search all people and look at the guy
  This is where I get an error:
  var allPeople DB. People.ToList ();
  
  allPeople.ForEach (x = > Console.WriteLine ("type:" + x.GetType ()));
  
  }
  
  This will raise the following error when I extract in allPeople:
  
  
  All objects of the 'Entities.People' EntitySet must have unique primary keys. However, an instance of the type "TestingTPTInheritance.EMPLOYEE" and an instance of type 'TestingTPTInheritance.SUPERHERO', both have the same primary key value, ' EntitySet = people. ID = 38'.
  
  
  Looking at the database, everything seems fine
  
  -Table of the person-
  ID NAME
  39 regular John Doe
  40 superman
  
  -Employee table-
  ID JOBTITLE
  Programmer 39
  
  -Table of superheroes-
  SUPERPOWER ID
  Flight 40
  
  If I select it that EF generates in "db. People.ToList (); "and run I get the following result:
  
  C1 C2 C3 C4 NAME
  0X0X 40 Superman
  0X0X 39 John Doe regular programmer
  
  Is this a bug in ODAC. If even there is a work around or will there be a fix soon?
  
  Published by: Amplus on 7.11.2012 07:59

  Given our generated queries are slightly different (for example CASTs on the ID column and the order of the columns in the SELECT list).
  the result of the query should be logically even.
  I ran the query generated from you on my 11.1 database, and the result is below.

  C1 C2 C3 C4 NAME
  0X1X Superman flight 66
  0X0X 65 John Doe regular programmer

  You see the 'theft' is not absent from the line of "Superman."

  If you run the generated query me on your database Oracle Express 11.2 and 'Theft' is still missing, then we
  don't know there is difference between the two databases that we use.
  The error that you got may be linked to this difference. You can confirm by trying with other Oracle database
  other than an Express database.
  Be sure to replace "SCOTT" with "TRP" in the generated query me.

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