public override object ConvertToType(ISessionInterface session, object a, SqlType othType)
{
if (a == null)
{
return(null);
}
if (othType.TypeCode == 30)
{
return(a);
}
if ((othType.TypeCode == 60) || (othType.TypeCode == 0x3d))
{
IBlobData data = (IBlobData)a;
BlobDataId id1 = session.CreateBlob(data.Length(session));
id1.SetBytes(session, 0L, data.GetBytes());
return(id1);
}
if ((othType.TypeCode != 12) && (othType.TypeCode != 1))
{
throw Error.GetError(0x15b9);
}
IBlobData data2 = session.GetScanner().ConvertToBinary((string)a);
BlobDataId id2 = session.CreateBlob(data2.Length(session));
id2.SetBytes(session, 0L, data2.GetBytes());
return(id2);
}
public IBlobData Trim(Session session, IBlobData data, int trim, bool leading, bool trailing)
{
if (data == null)
{
return(null);
}
byte[] bytes = data.GetBytes();
int length = bytes.Length;
if (trailing)
{
length--;
while ((length >= 0) && (bytes[length] == trim))
{
length--;
}
length++;
}
int index = 0;
if (leading)
{
while ((index < length) && (bytes[index] == trim))
{
index++;
}
}
byte[] destinationArray = bytes;
if ((index != 0) || (length != bytes.Length))
{
destinationArray = new byte[length - index];
Array.Copy(bytes, index, destinationArray, 0, length - index);
}
if (base.TypeCode == 30)
{
BlobDataId id1 = session.CreateBlob((long)destinationArray.Length);
id1.SetBytes(session, 0L, destinationArray);
return(id1);
}
return(new BinaryData(destinationArray, destinationArray == bytes));
}
public override object Concat(Session session, object a, object b)
{
if ((a == null) || (b == null))
{
return(null);
}
BinaryData data = a as BinaryData;
BinaryData data2 = b as BinaryData;
long length = data.Length(session) + data2.Length(session);
if (length > base.Precision)
{
throw Error.GetError(0xd49);
}
if (base.TypeCode == 30)
{
BlobDataId id1 = session.CreateBlob(length);
id1.SetBytes(session, 0L, data2.GetBytes());
id1.SetBytes(session, data.Length(session), data2.GetBytes());
return(id1);
}
return(new BinaryData(session, data, data2));
}
