/// <summary>
/// This is an internal API that supports the Entity Framework Core infrastructure and not subject to
/// the same compatibility standards as public APIs. It may be changed or removed without notice in
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
public virtual IEnumerable <MigrationInfo> GetMigrations(
[CanBeNull] string contextType,
[CanBeNull] string connectionString,
bool noConnect)
{
using var context = _contextOperations.CreateContext(contextType);
if (connectionString != null)
{
context.Database.SetConnectionString(connectionString);
}
var services = _servicesBuilder.Build(context);
EnsureServices(services);
var migrationsAssembly = services.GetRequiredService <IMigrationsAssembly>();
var idGenerator = services.GetRequiredService <IMigrationsIdGenerator>();
HashSet <string> appliedMigrations = null;
if (!noConnect)
{
try
{
appliedMigrations = new HashSet <string>(
context.Database.GetAppliedMigrations(),
StringComparer.OrdinalIgnoreCase);
}
catch (Exception ex)
{
_reporter.WriteVerbose(ex.ToString());
_reporter.WriteWarning(DesignStrings.ErrorConnecting(ex.Message));
}
}
return(from id in migrationsAssembly.Migrations.Keys
select new MigrationInfo
{
Id = id,
Name = idGenerator.GetName(id),
Applied = appliedMigrations?.Contains(id)
});
}
