@Override
    public byte roughCheckOnColumn(InfoSegment segment) throws IOException {
        throw new IllegalStateException("Should not call this method!");
    }
We push down NOT expressions into sub expressions, so we do not need to actually calculate NOT
in real computation. NOT is difficult to handle when we have SOME status, especially in a bitmap.
indexr-segment/src/main/java/io/indexr/segment/rc/Not.java