Enum OnDeleteAction 

pub enum OnDeleteAction {
    NoAction,
    Restrict,
    Cascade,
    SetNull,
    SetDefault,
}

ON DELETE actions for foreign keys

Variants

NoAction

Restrict

Cascade

SetNull

SetDefault

Implementations

impl OnDeleteAction

pub fn from_str(s: &str) -> Self

Parse from string (case-insensitive)

Trait Implementations

impl Clone for OnDeleteAction

fn clone(&self) -> OnDeleteAction

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for OnDeleteAction

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

Formats the value using the given formatter.

impl Default for OnDeleteAction

fn default() -> OnDeleteAction

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for OnDeleteAction

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl PartialEq for OnDeleteAction

fn eq(&self, other: &OnDeleteAction) -> 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 OnDeleteAction

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 OnDeleteAction

impl Eq for OnDeleteAction

impl StructuralPartialEq for OnDeleteAction