Struct tidb_query_datatype::codec::data_type::ChunkedVecSet

pub struct ChunkedVecSet {
    data: Arc<BufferVec>,
    bitmap: BitVec,
    value: Vec<u64>,
}

ChunkedVecSet stores set in a compact way.

Inside ChunkedVecSet:

• data stores the real set data.
• bitmap indicates if an element at given index is null.
• value is slice for set value bitmap which up to 64 bits.

Notes

Make sure operating bitmap and value together to prevent different stored representation issue

TODO: add way to set set column data TODO: code fot set/enum looks nearly the same, considering refactor them using macro

Fields

data: Arc<BufferVec>

bitmap: BitVec

value: Vec<u64>

Implementations

impl ChunkedVecSet

pub fn get(&self, idx: usize) -> Option<SetRef<'_>>

Trait Implementations

impl<'a> ChunkRef<'a, SetRef<'a>> for &'a ChunkedVecSet

fn get_option_ref(self, idx: usize) -> Option<SetRef<'a>>

fn get_bit_vec(self) -> &'a BitVec

fn phantom_data(self) -> Option<SetRef<'a>>

impl ChunkedVec<Set> for ChunkedVecSet

fn from_slice(slice: &[Option<Set>]) -> Self

fn from_vec(data: Vec<Option<Set>>) -> Self

fn push(&mut self, value: Option<Set>)

fn is_empty(&self) -> bool

fn with_capacity(capacity: usize) -> Self

fn push_data(&mut self, value: Set)

fn push_null(&mut self)

fn len(&self) -> usize

fn truncate(&mut self, len: usize)

fn capacity(&self) -> usize

fn append(&mut self, other: &mut Self)

fn to_vec(&self) -> Vec<Option<Set>>

impl Clone for ChunkedVecSet

fn clone(&self) -> ChunkedVecSet

Returns a copy of the value.

pub fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ChunkedVecSet

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl From<ChunkedVecSet> for VectorValue

fn from(s: ChunkedVecSet) -> VectorValue

Performs the conversion.

impl From<Vec<Option<Set>, Global>> for ChunkedVecSet

fn from(v: Vec<Option<Set>>) -> ChunkedVecSet

Performs the conversion.

impl PartialEq<ChunkedVecSet> for ChunkedVecSet

fn eq(&self, other: &Self) -> bool

This method tests for self and other values to be equal, and is used by ==.

#[must_use]pub fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl<'a> UnsafeRefInto<&'static ChunkedVecSet> for &'a ChunkedVecSet

unsafe fn unsafe_into(self) -> &'static ChunkedVecSet

Safety