public void Save(KeyValueData data)
{
session.Execute(GetSavePreparedStatement(data.Table).Bind(data.ItemId, data.Blob));
}
public void Update(KeyValueData item, byte[] data)
{
var statemen = UpdatePreparedStatements.GetOrAdd(item.Table, x => BuildPreparedStatementForUpdateKeyValueData(x));
session.Execute(statemen.Bind(data, item.ItemId));
}