Enum LockStrength 

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

Available on crate feature postgres-only only.

Strength of a SELECT statement’s row lock

Variants

Update

SELECT ... FOR UPDATE;

NoKeyUpdate

SELECT ... FOR NO KEY UPDATE;

Share

SELECT ... FOR SHARE;

KeyShare

SELECT ... FOR KEY SHARE;

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 Hash for LockStrength

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 LockStrength

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