Enum IndexHintType 

#[non_exhaustive]
pub enum IndexHintType {
    Use,
    Ignore,
    Force,
}

Available on crate feature backend-mysql only.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

Use

Ignore

Force

Trait Implementations

impl Clone for IndexHintType

fn clone(&self) -> IndexHintType

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for IndexHintType

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

Formats the value using the given formatter.

impl PartialEq for IndexHintType

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for IndexHintType

impl StructuralPartialEq for IndexHintType