Struct ConcatColumnData 

pub struct ConcatColumnData { /* private fields */ }

Implementations

impl ConcatColumnData

pub fn concat(data: Vec<ArcColumnData>) -> Self

Trait Implementations

impl ColumnData for ConcatColumnData

fn sql_type(&self) -> SqlType

fn save(&self, _: &mut Encoder, _: usize, _: 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 is_empty(&self) -> bool

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