First migration of code with ODAC 12 c R3 beta

Hello

I managed to create tables, insert data... using the SaveChanges() of DbContext method.

But I would use the first migration of Code on a blank database to create the tables.

To do this, I use the method Update() of the DBMigrator (the configuration of Migration seems to be configured).

public class MyMigrationConfiguration: DbMigrationsConfiguration <MyContext>

{

public MyMigrationConfiguration()

{

AutomaticMigrationsEnabled = true;

AutomaticMigrationDataLossAllowed = false;

ContextKey = "MyContext";

}

}


config var = new MyMigrationConfiguration();

DbMigrator dbMigrator = new DbMigrator (config);

dbMigrator.Update ();

But I have a MigrationsException with the following message is displayed:

{"Automatic migrations that affect the location of the table system history of migration (for example the default schema changes) are not supported. Please use the migration code for operations that affect the location of the system of migration history table-based. »}

You have an idea?

Thanks for your help.

SEE the automatic migration support is limited. The doc:

First of all the code

----------------------

  • First automatic migration of code is limited to working with the dbo schema only. Because of this limitation, it is recommended to use migration based on the code, that is, add explicit migration through the command Add-Migration.

Tags: Database

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