public string CreateMigrationSql(EntityDatabaseMap entityMap)
{
DbProviderFactory factory = DbContextInstance.GetDatabaseProviderFactory();
try
{
SqlQueryProviderLocator.AssertSupported(factory);
}
catch (NotImplementedException)
{
Console.WriteLine("ERROR: Unsupported DBMS type");
throw new Exception();
}
IQueryGenerator generator = SqlQueryProviderLocator.ResolveQueryProvider(factory);
var migrationScriptGenerator = new MigrationScriptGenerator(generator);
var migrationScript = migrationScriptGenerator.GenerateMigrationScript(entityMap);
return(migrationScript);
}
public EntityDatabaseMap BuildEntityMap()
{
DbContextInstance = (DbContext)Activator.CreateInstance(DbContextType);
DbProviderFactory factory = DbContextInstance.GetDatabaseProviderFactory();
try
{
SqlQueryProviderLocator.AssertSupported(factory);
}
catch (NotImplementedException)
{
Console.WriteLine("ERROR: Unsupported DBMS type");
throw new Exception();
}
ISqlHelper helper = SqlQueryProviderLocator.ResolveSqlHelper(factory);
var entitiesBuilder = new EntityInformationBuilder(helper, new RelationshipMapper());
var entityMap = entitiesBuilder.BuildEntityDatabaseMap(DbContextInstance);
return(entityMap);
}
