Enum MySQLIndexLock 

pub enum MySQLIndexLock {
    Default,
    None,
    Shared,
    Exclusive,
}

Metadata-lock policy requested for a generated MySQL index.

Variants

Default

Lets MySQL choose the metadata-lock policy.

None

Permits concurrent reads and writes when supported.

Shared

Permits concurrent reads but blocks writes.

Exclusive

Blocks concurrent access.

Implementations

impl MySQLIndexLock

pub const fn as_sql(self) -> &'static str

Returns the MySQL keyword for this lock policy.

Trait Implementations

impl Clone for MySQLIndexLock

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for MySQLIndexLock

impl Debug for MySQLIndexLock

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

Formats the value using the given formatter.

impl Eq for MySQLIndexLock

impl Hash for MySQLIndexLock

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for MySQLIndexLock

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for MySQLIndexLock