/// Determine if NULL is encoded in the column.
Determine if NULL is encoded in the column.
Determine if NULL is encoded in the column .
fn contains_null(&self) -> bool {
        match self {
            Self::RLE(enc) => enc.contains_null(),
            Self::Plain(enc) => enc.contains_null(),
        }
    }
fn contains_null ( & self ) -> bool { match self { Self :: RLE ( enc ) => enc . contains_null ( ) , Self :: Plain ( enc ) => enc . contains_null ( ) , } }
Determine if NULL is encoded in the column.
Determine if NULL is encoded in the column .
&self