/// <summary>
/// Closes the MySqlDataReader object.
/// </summary>
public override void Close()
{
if (!isOpen)
{
return;
}
bool shouldCloseConnection = (commandBehavior & CommandBehavior.CloseConnection) != 0;
commandBehavior = CommandBehavior.Default;
// clear all remaining resultsets
try
{
while (NextResult())
{
}
}
catch (MySqlException ex)
{
// Ignore aborted queries
if (!ex.IsQueryAborted)
{
// ignore IO exceptions.
// We are closing or disposing reader, and do not
// want exception to be propagated to used. If socket is
// is closed on the server side, next query will run into
// IO exception. If reader is closed by GC, we also would
// like to avoid any exception here.
bool isIOException = false;
for (Exception exception = ex; exception != null;
exception = exception.InnerException)
{
if (exception is System.IO.IOException)
{
isIOException = true;
break;
}
}
if (!isIOException)
{
// Ordinary exception (neither IO nor query aborted)
throw;
}
}
}
catch (System.IO.IOException)
{
// eat, on the same reason we eat IO exceptions wrapped into
// MySqlExceptions reasons, described above.
}
finally
{
// always ensure internal reader is null (Bug #55558)
connection.Reader = null;
}
// we now give the command a chance to terminate. In the case of
// stored procedures it needs to update out and inout parameters
command.Close(this);
if (this.command.Canceled && connection.driver.Version.isAtLeast(5, 1, 0))
{
// Issue dummy command to clear kill flag
ClearKillFlag();
}
if (shouldCloseConnection)
{
connection.Close();
}
command = null;
connection.IsInUse = false;
connection = null;
isOpen = false;
}