Enum LockStrength 

pub enum LockStrength {
    Update,
    NoKeyUpdate,
    Share,
    KeyShare,
}

How strong a row lock is, weakest last.

Variants

Update

FOR UPDATE.

NoKeyUpdate

FOR NO KEY UPDATE — PostgreSQL only; weaker than UPDATE, and does not block a foreign-key reference.

Share

FOR SHARE.

KeyShare

FOR KEY SHARE — PostgreSQL only; the weakest.

Implementations

impl LockStrength

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

The keyword, as written.

Trait Implementations

impl Clone for LockStrength

fn clone(&self) -> LockStrength

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for LockStrength

impl Debug for LockStrength

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

Formats the value using the given formatter.

impl Eq for LockStrength

impl PartialEq for LockStrength

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for LockStrength