pub fn contains_null(&self) -> bool {
        match self {
            Self::RleDictionary(enc) => enc.contains_null(),
            Self::Dictionary(enc) => enc.contains_null(),
        }
    }
/// Determines if the column contains a NULL value.
Determines if the column contains a NULL value.
Determines if the column contains a NULL value .
pub fn contains_null(&self) -> bool {
        match self {
            Self::RleDictionary(enc) => enc.contains_null(),
            Self::Dictionary(enc) => enc.contains_null(),
        }
    }
pub fn contains_null ( & self ) -> bool { match self { Self :: RleDictionary ( enc ) => enc . contains_null ( ) , Self :: Dictionary ( enc ) => enc . contains_null ( ) , } }
Determines if the column contains a NULL value.
Determines if the column contains a NULL value .
&self
&self