public void AddMigrations(DbMigrationSet migrations)
{
var migrScripts = migrations.GetActiveSqlMigrations().Select(m => new DbUpgradeScript(m));
AllScripts.AddRange(migrScripts);
PostUpgradeMigrations = migrations.GetActiveActionMigrations().ToList();
}
/// <summary>
/// Performs Db model update actions, depending on instance type (dev, staging, production).
/// </summary>
public DbUpgradeInfo BuildUpgradeInfo()
{
//Even if we do not do db model upgrades, we still may have migration actions (post upgrate), which we will run after completing connection to db
var driver = _database.DbModel.Driver;
_upgradeInfo = new DbUpgradeInfo(_database.Settings, _database.DbModel);
var oldDbVersion = LoadDbVersionInfo();
if (!CheckCanUpgrade(oldDbVersion))
{
return(_upgradeInfo);
}
var loader = driver.CreateDbModelLoader(_database.Settings, _log);
if (driver.Supports(DbFeatures.Schemas))
{
var schemas = _database.DbModel.Schemas.Select(s => s.Schema).ToList();
loader.SetSchemasSubset(schemas);
}
_upgradeInfo.OldDbModel = loader.LoadModel();
_upgradeInfo.OldDbModel.VersionInfo = oldDbVersion;
//assign prior versions
//Compare two models and get changes
var modelComparer = new DbModelComparer();
modelComparer.BuildDbModelChanges(_upgradeInfo, loader as IDbObjectComparer, _log);
//build scripts
var updater = driver.CreateDbModelUpdater(_database.Settings);
updater.BuildScripts(_upgradeInfo);
//Add migrations
var migrSet = new DbMigrationSet(_app, _database, _upgradeInfo.OldDbModel);
foreach (var module in this._database.DbModel.EntityApp.Modules)
{
migrSet.CurrentModule = module;
module.RegisterMigrations(migrSet);
}
migrSet.CurrentModule = null;
_upgradeInfo.AddMigrations(migrSet);
//Update final status
_upgradeInfo.VersionsChanged = oldDbVersion != null && _database.DbModel.VersionInfo.VersionChanged(oldDbVersion);
if (_upgradeInfo.AllScripts.Count > 0 || _upgradeInfo.VersionsChanged)
{
_upgradeInfo.Status = UpgradeStatus.ChangesDetected;
}
else
{
_upgradeInfo.Status = UpgradeStatus.NoChanges;
}
//Sort, Clear up
_upgradeInfo.AllScripts.Sort(DbUpgradeScript.CompareExecutionOrder);
_database.DbModel.ResetPeerRefs(); //drop refs to old model
return(_upgradeInfo);
}