|
public ExecuteStatement ( |
||
| packetToExecute | ||
| Результат | void | |
public override void Execute()
{
// if we are not prepared, then call down to our base
if (!IsPrepared)
{
base.Execute();
return;
}
//TODO: support long data here
// create our null bitmap
// we check this because Mono doesn't ignore the case where nullMapBytes
// is zero length.
// if (nullMapBytes.Length > 0)
// {
// byte[] bits = packet.Buffer;
// nullMap.CopyTo(bits,
// nullMap.CopyTo(nullMapBytes, 0);
// start constructing our packet
// if (Parameters.Count > 0)
// nullMap.CopyTo(packet.Buffer, nullMapPosition);
//if (parameters != null && parameters.Count > 0)
//else
// packet.WriteByte( 0 );
//TODO: only send rebound if parms change
// now write out all non-null values
_packet.Position = _dataPosition;
for (int i = 0; i < _parametersToSend.Count; i++)
{
MySqlParameter p = _parametersToSend[i];
_nullMap[i] = (p.Value == DBNull.Value || p.Value == null) ||
p.Direction == ParameterDirection.Output;
if (_nullMap[i])
{
continue;
}
_packet.Encoding = p.Encoding;
p.Serialize(_packet, true, Connection.Settings);
}
if (_nullMap != null)
{
byte[] tempByteArray = new byte[(_nullMap.Length + 7) >> 3];
_nullMap.CopyTo(tempByteArray, 0);
Array.Copy(tempByteArray, 0, _packet.Buffer, _nullMapPosition, tempByteArray.Length);
}
ExecutionCount++;
Driver.ExecuteStatement(_packet);
}
public override void Execute()
{
// if we are not prepared, then call down to our base
if (!IsPrepared)
{
base.Execute();
return;
}
MySqlStream stream = new MySqlStream(Driver.Encoding);
//TODO: support long data here
// create our null bitmap
BitArray nullMap = new BitArray(Parameters.Count);
// now we run through the parameters that PREPARE sent back and use
// those names to index into the parameters the user gave us.
// if the user set that parameter to NULL, then we set the null map
// accordingly
if (paramList != null)
{
for (int x = 0; x < paramList.Length; x++)
{
MySqlParameter p = Parameters[paramList[x].ColumnName];
if (p.Value == DBNull.Value || p.Value == null)
{
nullMap[x] = true;
}
}
}
byte[] nullMapBytes = new byte[(Parameters.Count + 7) / 8];
// we check this because Mono doesn't ignore the case where nullMapBytes
// is zero length.
if (nullMapBytes.Length > 0)
{
nullMap.CopyTo(nullMapBytes, 0);
}
// start constructing our packet
stream.WriteInteger(statementId, 4);
stream.WriteByte(0); // flags; always 0 for 4.1
stream.WriteInteger(1, 4); // interation count; 1 for 4.1
stream.Write(nullMapBytes);
//if (parameters != null && parameters.Count > 0)
stream.WriteByte(1); // rebound flag
//else
// packet.WriteByte( 0 );
//TODO: only send rebound if parms change
// write out the parameter types
if (paramList != null)
{
foreach (MySqlField param in paramList)
{
MySqlParameter parm = Parameters[param.ColumnName];
stream.WriteInteger(parm.GetPSType(), 2);
}
// now write out all non-null values
foreach (MySqlField param in paramList)
{
int index = Parameters.IndexOf(param.ColumnName);
if (index == -1)
{
throw new MySqlException("Parameter '" + param.ColumnName +
"' is not defined.");
}
MySqlParameter parm = Parameters[index];
if (parm.Value == DBNull.Value || parm.Value == null)
{
continue;
}
stream.Encoding = param.Encoding;
parm.Serialize(stream, true);
}
}
executionCount++;
Driver.ExecuteStatement(stream.InternalBuffer.ToArray());
}
public CommandResult Execute(MySqlParameterCollection parameters)
{
PacketWriter packet = new PacketWriter();
packet.Driver = (NativeDriver)driver;
//TODO: support long data here
// create our null bitmap
BitArray nullMap = new BitArray(parameters.Count); //metaData.Length );
for (int x = 0; x < parameters.Count; x++)
{
if (parameters[x].Value == DBNull.Value ||
parameters[x].Value == null)
{
nullMap[x] = true;
}
}
byte[] nullMapBytes = new byte[(parameters.Count + 7) / 8];
nullMap.CopyTo(nullMapBytes, 0);
// start constructing our packet
packet.WriteInteger(StatementId, 4);
packet.WriteByte(0); // flags; always 0 for 4.1
packet.WriteInteger(1, 4); // interation count; 1 for 4.1
packet.Write(nullMapBytes);
//if (parameters != null && parameters.Count > 0)
packet.WriteByte(1); // rebound flag
//else
// packet.WriteByte( 0 );
//TODO: only send rebound if parms change
// write out the parameter types
foreach (MySqlField param in paramList)
{
MySqlParameter parm = parameters[param.ColumnName];
packet.WriteInteger((long)parm.GetPSType(), 2);
}
// now write out all non-null values
foreach (MySqlField param in paramList)
{
int index = parameters.IndexOf(param.ColumnName);
if (index == -1)
{
throw new MySqlException("Parameter '" + param.ColumnName +
"' is not defined.");
}
MySqlParameter parm = parameters[index];
if (parm.Value == DBNull.Value || parm.Value == null)
{
continue;
}
packet.Encoding = param.Encoding;
parm.Serialize(packet, true);
}
executionCount++;
// send the data packet and return the CommandResult
return(driver.ExecuteStatement(((System.IO.MemoryStream)packet.Stream).ToArray()));
}