}
public List<column_t> get_columns_since(String tablename, String key, String columnParent, long timeStamp) throws InvalidRequestException
{
logger.debug("get_columns_since");
ColumnFamily cfamily = readColumnFamily(new ColumnsSinceReadCommand(tablename, key, columnParent, timeStamp));
String[] values = RowMutation.getColumnAndColumnFamily(columnParent);
if (cfamily == null)
{
return EMPTY_COLUMNS;
}