public void CancelSingleQuery()
{
if (Version < new Version(5, 0))
{
return;
}
// first we need a routine that will run for a bit
execSQL(@"CREATE PROCEDURE spTest(duration INT)
BEGIN
SELECT SLEEP(duration);
END");
MySqlCommand cmd = new MySqlCommand("spTest", conn);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("duration", 10);
// now we start execution of the command
CommandInvokerDelegate d = new CommandInvokerDelegate(CommandRunner);
d.BeginInvoke(cmd, null, null);
// sleep 1 seconds
Thread.Sleep(1000);
// now cancel the command
cmd.Cancel();
}
public void CancelSingleQuery()
{
if (st.Version < new Version(5, 0)) return;
// first we need a routine that will run for a bit
st.execSQL(@"CREATE PROCEDURE spTest(duration INT)
BEGIN
SELECT SLEEP(duration);
END");
MySqlCommand cmd = new MySqlCommand("spTest", st.conn);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("duration", 10);
// now we start execution of the command
CommandInvokerDelegate d = new CommandInvokerDelegate(CommandRunner);
d.BeginInvoke(cmd, null, null);
// sleep 1 seconds
Thread.Sleep(1000);
// now cancel the command
cmd.Cancel();
resetEvent.WaitOne();
}
public void CancelSingleQuery()
{
// first we need a routine that will run for a bit
executeSQL(@"CREATE PROCEDURE CancelSingleQuery(duration INT)
BEGIN
SELECT SLEEP(duration);
END");
MySqlCommand cmd = new MySqlCommand("CancelSingleQuery", Connection);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("duration", 10);
// now we start execution of the command
CommandInvokerDelegate d = new CommandInvokerDelegate(CommandRunner);
d.BeginInvoke(cmd, null, null);
// sleep 1 seconds
Thread.Sleep(1000);
// now cancel the command
cmd.Cancel();
Assert.True(resetEvent.WaitOne(30 * 1000), "timeout");
}
public void Configure(Metadata metadata, Metadata.Command command)
{
this.serializer = new PcaJsonSerializer(metadata);
this.metadata = metadata;
this.command = command;
this.commandInvokerDelegate = BuildCommandInvoker();
this.supportsCancellation =
// IObservable<T>
command.MethodInfo.ReturnType.IsGenericType && typeof(IObservable <>).IsAssignableFrom(command.MethodInfo.ReturnType.GetGenericTypeDefinition()) ||
// or one of the parameters is a CancellationToken
command.MethodInfo.GetParameters().Any(par => par.ParameterType == typeof(CancellationToken));
}
