| public IndexOf ( object value ) : int | ||
| value | object | The |
| return | int | |
public CommandResult Execute(MySqlParameterCollection parameters)
{
PacketWriter packetWriter = new PacketWriter();
packetWriter.Driver = (NativeDriver)this.driver;
BitArray bitArray = new BitArray(parameters.Count);
for (int i = 0; i < this.paramList.Length; i++)
{
MySqlParameter mySqlParameter = parameters[this.paramList[i].ColumnName];
if (mySqlParameter.Value == DBNull.Value || mySqlParameter.Value == null)
{
bitArray[i] = true;
}
}
byte[] array = new byte[(parameters.Count + 7) / 8];
if (array.Length > 0)
{
bitArray.CopyTo(array, 0);
}
packetWriter.WriteInteger((long)this.StatementId, 4);
packetWriter.WriteByte(0);
packetWriter.WriteInteger(1L, 4);
packetWriter.Write(array);
packetWriter.WriteByte(1);
MySqlField[] array2 = this.paramList;
for (int j = 0; j < array2.Length; j++)
{
MySqlField mySqlField = array2[j];
MySqlParameter mySqlParameter2 = parameters[mySqlField.ColumnName];
packetWriter.WriteInteger((long)mySqlParameter2.GetPSType(), 2);
}
array2 = this.paramList;
for (int j = 0; j < array2.Length; j++)
{
MySqlField mySqlField2 = array2[j];
int num = parameters.IndexOf(mySqlField2.ColumnName);
if (num == -1)
{
throw new MySqlException("Parameter '" + mySqlField2.ColumnName + "' is not defined.");
}
MySqlParameter mySqlParameter3 = parameters[num];
if (mySqlParameter3.Value != DBNull.Value && mySqlParameter3.Value != null)
{
packetWriter.Encoding = mySqlField2.Encoding;
mySqlParameter3.Serialize(packetWriter, true);
}
}
this.executionCount++;
return(this.driver.ExecuteStatement(((MemoryStream)packetWriter.Stream).ToArray()));
}
/// <summary>
/// We use a separate method here because we want to support using parameter
/// names with and without a leading marker but we don't want the indexing
/// methods of MySqlParameterCollection to support that.
/// </summary>
/// <param name="parameters"></param>
/// <param name="name"></param>
/// <returns></returns>
private MySqlParameter GetParameter(MySqlParameterCollection parameters, string name)
{
int index = parameters.IndexOf(name);
if (index == -1)
{
name = name.Substring(1);
index = Parameters.IndexOf(name);
if (index == -1)
{
return(null);
}
}
return(parameters[index]);
}
private MySqlParameter GetParameter(MySqlParameterCollection parameters, string name)
{
int num = parameters.IndexOf(name);
if (num == -1)
{
name = name.Substring(1);
num = this.Parameters.IndexOf(name);
if (num == -1)
{
return(null);
}
}
return(parameters[num]);
}
/// <summary>
/// Serializes the given parameter to the given memory stream
/// </summary>
/// <param name="writer">PacketWriter to stream parameter data to</param>
/// <param name="parmName">Name of the parameter to serialize</param>
/// <remarks>
/// <para>This method is called by PrepareSqlBuffers to convert the given
/// parameter to bytes and write those bytes to the given memory stream.
/// </para>
/// </remarks>
/// <returns>True if the parameter was successfully serialized, false otherwise.</returns>
private bool SerializeParameter(PacketWriter writer, string parmName)
{
int index = parameters.IndexOf(parmName);
if (index == -1)
{
// if we are using old syntax, we can't throw exceptions for parameters
// not defined.
if (connection.Settings.UseOldSyntax)
{
return(false);
}
throw new MySqlException("Parameter '" + parmName + "' must be defined");
}
MySqlParameter parameter = parameters[index];
parameter.Serialize(writer, false);
return(true);
}
/// <summary>
/// We use a separate method here because we want to support using parameter
/// names with and without a leading marker but we don't want the indexing
/// methods of MySqlParameterCollection to support that.
/// </summary>
/// <param name="parameters"></param>
/// <param name="name"></param>
/// <returns></returns>
private MySqlParameter GetParameter(MySqlParameterCollection parameters, string name)
{
int index = parameters.IndexOf(name);
if (index == -1)
{
name = name.Substring(1);
index = Parameters.IndexOf(name);
if (index == -1)
return null;
}
return parameters[index];
}
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()));
}
