Struct NullableColumnData 

pub struct NullableColumnData {
    pub inner: ArcColumnData,
    pub nulls: Vec<u8>,
}

Fields

inner: ArcColumnData

nulls: Vec<u8>

Trait Implementations

impl ColumnData for NullableColumnData

fn sql_type(&self) -> SqlType

fn save(&self, encoder: &mut Encoder, start: usize, end: usize)

fn len(&self) -> usize

fn push(&mut self, value: Value)

fn at(&self, index: usize) -> ValueRef<'_>

fn clone_instance(&self) -> BoxColumnData

unsafe fn get_internal( &self, pointers: &[*mut *const u8], level: u8, ) -> Result<()>

fn cast_to( &self, _this: &ArcColumnData, target: &SqlType, ) -> Option<ArcColumnData>

fn is_empty(&self) -> bool