internal override void RevertMigration(
string migrationId,
DbMigration migration,
XDocument targetModel)
{
IEnumerable <MigrationOperation> systemOperations = Enumerable.Empty <MigrationOperation>();
string defaultSchema = DbMigrator.GetDefaultSchema(migration);
XDocument historyModel1 = this.GetHistoryModel(defaultSchema);
if (object.ReferenceEquals((object)targetModel, (object)this._emptyModel.Value) && !this._historyRepository.IsShared())
{
systemOperations = (IEnumerable <MigrationOperation>) this._modelDiffer.Diff(historyModel1, this._emptyModel.Value, (Lazy <ModificationCommandTreeGenerator>)null, (MigrationSqlGenerator)null, (string)null, (string)null);
}
else
{
string lastDefaultSchema = this.GetLastDefaultSchema(migrationId);
if (!string.Equals(lastDefaultSchema, defaultSchema, StringComparison.Ordinal))
{
XDocument historyModel2 = this.GetHistoryModel(lastDefaultSchema);
systemOperations = (IEnumerable <MigrationOperation>) this._modelDiffer.Diff(historyModel1, historyModel2, (Lazy <ModificationCommandTreeGenerator>)null, (MigrationSqlGenerator)null, (string)null, (string)null);
}
}
migration.Down();
this.ExecuteOperations(migrationId, new VersionedModel(targetModel, (string)null), migration.Operations, systemOperations, true, false);
}
internal override void ApplyMigration(DbMigration migration, DbMigration lastMigration)
{
IMigrationMetadata migrationMetadata = (IMigrationMetadata)migration;
VersionedModel sourceModel1 = this.GetLastModel(lastMigration, migrationMetadata.Id);
VersionedModel sourceModel2 = migration.GetSourceModel();
VersionedModel targetModel = migration.GetTargetModel();
if (sourceModel2 != null && this.IsModelOutOfDate(sourceModel2.Model, lastMigration))
{
base.AutoMigrate(migrationMetadata.Id.ToAutomaticMigrationId(), sourceModel1, sourceModel2, false);
sourceModel1 = sourceModel2;
}
string defaultSchema = DbMigrator.GetDefaultSchema(migration);
XDocument historyModel = this.GetHistoryModel(defaultSchema);
IEnumerable <MigrationOperation> systemOperations = Enumerable.Empty <MigrationOperation>();
if (object.ReferenceEquals((object)sourceModel1.Model, (object)this._emptyModel.Value) && !base.HistoryExists())
{
systemOperations = (IEnumerable <MigrationOperation>) this._modelDiffer.Diff(this._emptyModel.Value, historyModel, (Lazy <ModificationCommandTreeGenerator>)null, (MigrationSqlGenerator)null, (string)null, (string)null);
}
else
{
string lastDefaultSchema = this.GetLastDefaultSchema(migrationMetadata.Id);
if (!string.Equals(lastDefaultSchema, defaultSchema, StringComparison.Ordinal))
{
systemOperations = (IEnumerable <MigrationOperation>) this._modelDiffer.Diff(this.GetHistoryModel(lastDefaultSchema), historyModel, (Lazy <ModificationCommandTreeGenerator>)null, (MigrationSqlGenerator)null, (string)null, (string)null);
}
}
migration.Up();
this.ExecuteOperations(migrationMetadata.Id, targetModel, migration.Operations, systemOperations, false, false);
}
private IEnumerable <string> GetHistorySchemas()
{
return(this._migrationAssembly.MigrationIds.Select(migrationId => new
{
migrationId = migrationId,
migration = this._migrationAssembly.GetMigration(migrationId)
}).Select(_param0 => DbMigrator.GetDefaultSchema(_param0.migration)));
}
private string GetLastDefaultSchema(string migrationId)
{
string migrationId1 = this._migrationAssembly.MigrationIds.LastOrDefault <string>((Func <string, bool>)(m => string.CompareOrdinal(m, migrationId) < 0));
if (migrationId1 != null)
{
return(DbMigrator.GetDefaultSchema(this._migrationAssembly.GetMigration(migrationId1)));
}
return("dbo");
}