/// Returns the total number of non-null values found at the provided set of
/// row ids.
Returns the total number of non-null values found at the provided set of
row ids.
Returns the total number of non - null values found at the provided set of row ids .
fn count(&self, row_ids: &[u32]) -> u32 {
        match self {
            Self::RLE(enc) => enc.count(row_ids),
            Self::Plain(enc) => enc.count(row_ids),
        }
    }
fn count ( & self , row_ids : & [ u32 ] ) -> u32 { match self { Self :: RLE ( enc ) => enc . count ( row_ids ) , Self :: Plain ( enc ) => enc . count ( row_ids ) , } }
Returns the total number of non-null values found at the provided set of
row ids.
Returns the total number of non - null values found at the provided set of row ids .
&self
row_ids
&[u32]