Enum IndexHintKind 

pub enum IndexHintKind {
    Use,
    Ignore,
    Force,
}

Which way a MySQL index hint leans.

Variants

Use

USE INDEX — prefer these.

Ignore

IGNORE INDEX — do not consider these.

Force

FORCE INDEX — a table scan is not acceptable.

Implementations

impl IndexHintKind

pub fn as_str(self) -> &'static str

The keyword, as written.

Trait Implementations

impl Clone for IndexHintKind

fn clone(&self) -> IndexHintKind

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for IndexHintKind

impl Debug for IndexHintKind

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

Formats the value using the given formatter.

impl Eq for IndexHintKind

impl PartialEq for IndexHintKind

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

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for IndexHintKind