Enum reindeer::DeletionBehaviour

pub enum DeletionBehaviour {
    Error,
    BreakLink,
    Cascade,
}

Enum for use in relation description, defining how the database must behave if one end of the relation is removed.

Variants

Error

Trying to remove the current entity while a related one still exists will result in an error

BreakLink

Related entities are left untouched, but the link between the two entities is removed

Cascade

Related entities are also removed if the current one is removed

Trait Implementations

impl Clone for DeletionBehaviour

fn clone(&self) -> DeletionBehaviour

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for DeletionBehaviour

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for DeletionBehaviour

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl PartialEq<DeletionBehaviour> for DeletionBehaviour

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

This method tests for self and other values to be equal, and is used by ==.

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

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for DeletionBehaviour

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 DeletionBehaviour

impl Eq for DeletionBehaviour

impl StructuralEq for DeletionBehaviour

impl StructuralPartialEq for DeletionBehaviour