public boolean isDeleted(ByteBuffer name, long timestamp) {
// We do rely on this test: if topLevel.markedForDeleteAt is MIN_VALUE, we should not
// consider the column deleted even if timestamp=MIN_VALUE, otherwise this break
// QueryFilter.isRelevant
if (isLive()) return false;
if (timestamp <= topLevel.markedForDeleteAt) return true;
return ranges != null && ranges.isDeleted(name, timestamp);
}
