Add more comments for xor test
@@ -199,8 +199,10 @@ fn test_xor_bitmap_data_block() -> Result<()> {
assert_eq!(n, val.len(), "{} {}", n, val.len());
// data block enc:1230069, raw:8000000, ratio:0.15375863
+ // Actually, it not related to datablock, it related to the type of the column
+ // Here it same as u64.
println!(
- "data block enc:{}, raw:{}, ratio:{}",
+ "data block(i64) enc:{}, raw:{}, ratio:{}",
val.len(),
size,
val.len() as f32 / size as f32
