private MyCatGuid ReadOldGuid(MyCatPacket packet, long length)
{
if (length == -1)
{
length = (long)packet.ReadFieldLength();
}
byte[] buff = new byte[length];
packet.Read(buff, 0, (int)length);
MyCatGuid g = new MyCatGuid(buff);
g.OldGuids = OldGuids;
return(g);
}
IMyCatValue IMyCatValue.ReadValue(MyCatPacket packet, long length, bool nullVal)
{
if (nullVal)
{
return(new MyCatSingle(true));
}
if (length == -1)
{
byte[] b = new byte[4];
packet.Read(b, 0, 4);
return(new MyCatSingle(BitConverter.ToSingle(b, 0)));
}
return(new MyCatSingle(Single.Parse(packet.ReadString(length),
CultureInfo.InvariantCulture)));
}
IMyCatValue IMyCatValue.ReadValue(MyCatPacket packet, long length, bool nullVal)
{
MyCatGeometry g;
if (nullVal)
{
g = new MyCatGeometry(_type, true);
}
else
{
if (length == -1)
{
length = (long)packet.ReadFieldLength();
}
byte[] newBuff = new byte[length];
packet.Read(newBuff, 0, (int)length);
g = new MyCatGeometry(_type, newBuff);
}
return(g);
}
IMyCatValue IMyCatValue.ReadValue(MyCatPacket packet, long length, bool nullVal)
{
MyCatBinary b;
if (nullVal)
{
b = new MyCatBinary(type, true);
}
else
{
if (length == -1)
{
length = (long)packet.ReadFieldLength();
}
byte[] newBuff = new byte[length];
packet.Read(newBuff, 0, (int)length);
b = new MyCatBinary(type, newBuff);
}
return(b);
}
IMyCatValue IMyCatValue.ReadValue(MyCatPacket packet, long length,
bool nullVal)
{
if (nullVal)
{
return(new MyCatDouble(true));
}
if (length == -1)
{
byte[] b = new byte[8];
packet.Read(b, 0, 8);
return(new MyCatDouble(BitConverter.ToDouble(b, 0)));
}
string s = packet.ReadString(length);
double d;
try
{
d = Double.Parse(s, CultureInfo.InvariantCulture);
}
catch (OverflowException)
{
// MySQL server < 5.5 can return values not compatible with
// Double.Parse(), i.e out of range for double.
if (s.StartsWith("-", StringComparison.Ordinal))
{
d = double.MinValue;
}
else
{
d = double.MaxValue;
}
}
return(new MyCatDouble(d));
}
