Galen.Ci.EntityFramework.DbDeploymentManager.HandleDatabaseMigration C# (CSharp) Method

        private bool HandleDatabaseMigration(MigrationExecutionInfo pendingMigration)
        {
            // create a new DbMigrator using a specific target database because
            // the GenericMigrator in pendingMigration can't be used directly as
            // it doesn't have the specific database information, and the connection 
            // can't be changed after the fact
            var targetedMigrator = GetDbMigrator(
                pendingMigration.Migration.Assembly,
                pendingMigration.Migration.ConfigurationType, 
                m_ConnectionInfoBuilder.Build(m_Config.Database, m_Config.AuthMode, m_Config.SqlLogin, m_Config.SqlPassword));

            if (targetedMigrator == null)
            {
                Log.Warning(
                    "Cannot perform migration on {endPointServer}\\{endpointDatabase} to {targetMigrationId} " +
                    "for configuration {configType} using migration source {migrationSource} assembly.",
                    m_Config.Database.ServerName,
                    m_Config.Database.DatabaseName,
                    string.IsNullOrEmpty(pendingMigration.TargetMigrationId)
                        ? "LATEST"
                        : pendingMigration.TargetMigrationId,
                    pendingMigration.Migration.ConfigurationType,
                    pendingMigration.Migration.Source);
                return false;
            }

            Log.Information(
                "Migrating {endPointServer}\\{endpointDatabase} to {targetMigrationId} for " +
                "configuration {configType} using a migration source of {migrationSource} assembly",
                m_Config.Database.ServerName,
                m_Config.Database.DatabaseName,
                string.IsNullOrEmpty(pendingMigration.TargetMigrationId)
                    ? "LATEST"
                    : pendingMigration.TargetMigrationId,
                pendingMigration.Migration.ConfigurationType,
                pendingMigration.Migration.Source);

            using (var migrationTransaction = new TransactionScope(TransactionScopeOption.Required))
            {
                if (string.IsNullOrEmpty(pendingMigration.TargetMigrationId))
                {
                    //Null target migration id means we're going to the latest version
                    targetedMigrator.Update();
                }
                else
                {
                    targetedMigrator.Update(pendingMigration.TargetMigrationId);
                }

                migrationTransaction.Complete();
            }

            return true;
        }