Enum LockStrength 

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

Lock strength.

Variants

Update

FOR UPDATE - exclusive lock.

NoKeyUpdate

FOR NO KEY UPDATE - exclusive but allows key reads.

Share

FOR SHARE - shared lock.

KeyShare

FOR KEY SHARE - shared key lock.

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 Debug for LockStrength

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for LockStrength

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

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 Serialize for LockStrength

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl Copy for LockStrength

impl Eq for LockStrength

impl StructuralPartialEq for LockStrength