Enum WaitPolicy 

pub enum WaitPolicy {
    Wait,
    NoWait,
    SkipLocked,
}

What a caller wants to happen when the lock it requests is not immediately available. Mirrors PG’s LockWaitPolicy.

Variants

Wait

Block until the lock is granted (the default DML behaviour and bare FOR UPDATE).

NoWait

FOR UPDATE NOWAIT — fail immediately rather than block.

SkipLocked

FOR UPDATE SKIP LOCKED — skip this row rather than block.

Trait Implementations

impl Clone for WaitPolicy

fn clone(&self) -> WaitPolicy

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for WaitPolicy

impl Debug for WaitPolicy

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

Formats the value using the given formatter.

impl Eq for WaitPolicy

impl PartialEq for WaitPolicy

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for WaitPolicy