/// <summary>
/// Rolls back a transaction from a pending state.
/// </summary>
public override void Rollback()
{
CheckDisposed();
if (_conn == null)
{
throw new InvalidOperationException(resman.GetString("Exception_NoTransaction"));
}
NpgsqlEventLog.LogMethodEnter(LogLevel.Debug, CLASSNAME, "Rollback");
NpgsqlCommand.ExecuteBlindSuppressTimeout(_conn.Connector, NpgsqlQuery.RollbackTransaction);
_conn.Connector.Transaction = null;
_conn = null;
}
/// <summary>
/// Rolls back a transaction from a pending savepoint state.
/// </summary>
public void Rollback(String savePointName)
{
CheckDisposed();
if (_conn == null)
{
throw new InvalidOperationException(resman.GetString("Exception_NoTransaction"));
}
if (!_conn.Connector.SupportsSavepoint)
{
throw new InvalidOperationException(resman.GetString("Exception_SavePointNotSupported"));
}
if (savePointName.Contains(";"))
{
throw new InvalidOperationException(resman.GetString("Exception_SavePointWithSemicolon"));
}
NpgsqlCommand.ExecuteBlindSuppressTimeout(_conn.Connector, string.Format("ROLLBACK TO SAVEPOINT {0}", savePointName));
}