Npgsql.NpgsqlTransaction.NpgsqlTransaction C# (CSharp) Method

        internal NpgsqlTransaction(NpgsqlConnection conn, IsolationLevel isolation)
        {
            NpgsqlEventLog.LogMethodEnter(LogLevel.Debug, CLASSNAME, CLASSNAME);

            _conn = conn;
            _isolation = isolation;

            StringBuilder commandText = new StringBuilder("BEGIN; SET TRANSACTION ISOLATION LEVEL ");

            if (isolation == IsolationLevel.RepeatableRead)
            {
                commandText.Append("REPEATABLE READ");
            }
            else if ((isolation == IsolationLevel.Serializable) ||
                (isolation == IsolationLevel.Snapshot))
            {
                commandText.Append("SERIALIZABLE");
            }
            else
            {
                // Set isolation level default to read committed.
                _isolation = IsolationLevel.ReadCommitted;
                commandText.Append("READ COMMITTED");
            }

            commandText.Append(";");

            NpgsqlCommand.ExecuteBlind(conn.Connector, commandText.ToString());

            _conn.Connector.Transaction = this;
        }