pub fn cardinality(&self) -> u32 {
        if self.contains_null {
            self.entries.len() as u32
        } else {
            self.entries.len() as u32 - 1
        }
    }
/// The number of distinct logical values in this column encoding.
The number of distinct logical values in this column encoding.
The number of distinct logical values in this column encoding .
pub fn cardinality(&self) -> u32 {
        if self.contains_null {
            self.entries.len() as u32
        } else {
            self.entries.len() as u32 - 1
        }
    }
pub fn cardinality ( & self ) -> u32 { if self . contains_null { self . entries . len ( ) as u32 } else { self . entries . len ( ) as u32 - 1 } }
The number of distinct logical values in this column encoding.
The number of distinct logical values in this column encoding .
&self
&self