Enum LockOutcome 

pub enum LockOutcome {
    Granted,
    WouldBlock {
        on: Vec<u64>,
    },
    Skip,
    NotAvailable,
    Deadlock {
        victim: u64,
    },
}

The result of an LockTable::acquire attempt.

Variants

Granted

The lock is held by the requesting version.

WouldBlock

The request conflicts and the policy is Wait; the caller should park until one of on releases. The wait-for edges are already recorded, and no cycle was found.

Fields

on: Vec<u64>

Skip

SkipLocked policy and the row is locked — skip it.

NotAvailable

NoWait policy and the row is locked — fail the statement.

Deadlock

Granting the wait would close a wait-for cycle; the caller must abort transaction victim (the youngest in the cycle) with a deadlock error rather than park.

Fields

victim: u64

Trait Implementations

impl Clone for LockOutcome

fn clone(&self) -> LockOutcome

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for LockOutcome

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

Formats the value using the given formatter.

impl Eq for LockOutcome

impl PartialEq for LockOutcome

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for LockOutcome