Struct tidb_query_datatype::codec::mysql::set::SetRef

pub struct SetRef<'a> {
    data: &'a BufferVec,
    value: u64,
}

Fields

data: &'a BufferVec

value: u64

Implementations

impl<'a> SetRef<'a>

pub fn new(data: &'a BufferVec, value: u64) -> Self

pub fn to_owned(self) -> Set

pub fn is_set(&self, idx: usize) -> bool

pub fn is_empty(&self) -> bool

pub fn value(&self) -> u64

Trait Implementations

impl<'a> AsMySQLBool for SetRef<'a>

fn as_mysql_bool(&self, _context: &mut EvalContext) -> Result<bool>

Evaluates into a MySQL logic value.

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<'a> Clone for SetRef<'a>

fn clone(&self) -> SetRef<'a>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<'a> Copy for SetRef<'a>

impl<'a> Debug for SetRef<'a>

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

Formats the value using the given formatter.

impl<'a> Display for SetRef<'a>

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

Formats the value using the given formatter.

impl<'a> Eq for SetRef<'a>

impl<'a> EvaluableRef<'a> for SetRef<'a>

const EVAL_TYPE: EvalType

type EvaluableType = Set

type ChunkedType = &'a ChunkedVecSet

fn borrow_scalar_value(v: &'a ScalarValue) -> Option<Self>

Borrows this concrete type from a ScalarValue in the same type; panics if the varient mismatches.

fn borrow_scalar_value_ref(v: ScalarValueRef<'a>) -> Option<Self>

Borrows this concrete type from a ScalarValueRef in the same type; panics if the varient mismatches.

fn borrow_vector_value(v: &'a VectorValue) -> &ChunkedVecSet

Borrows a slice of this concrete type from a VectorValue in the same type; panics if the varient mismatches.

fn into_owned_value(self) -> Self::EvaluableType

Convert this reference to owned type

fn from_owned_value(value: &'a Self::EvaluableType) -> Self

impl<'a> Ord for SetRef<'a>

fn cmp(&self, other: &Self) -> Ordering

This method returns an Ordering between self and other.

#[must_use]pub fn max(self, other: Self) -> Self

Compares and returns the maximum of two values.

#[must_use]pub fn min(self, other: Self) -> Self

Compares and returns the minimum of two values.

#[must_use]pub fn clamp(self, min: Self, max: Self) -> Self

Restrict a value to a certain interval.

impl<'a> PartialEq<SetRef<'a>> for SetRef<'a>

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> PartialOrd<SetRef<'a>> for SetRef<'a>

fn partial_cmp(&self, right: &Self) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

This method tests less than (for self and other) and is used by the < operator.

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

This method tests less than or equal to (for self and other) and is used by the <= operator.

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

This method tests greater than (for self and other) and is used by the > operator.

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

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl<'a> UnsafeRefInto<SetRef<'static>> for SetRef<'a>

unsafe fn unsafe_into(self) -> SetRef<'static>

Safety