Struct sea_orm::entity::RelationBuilder

pub struct RelationBuilder<E, R> where
    E: EntityTrait,
    R: EntityTrait,  { /* fields omitted */ }

Defines a helper to build a relation

Implementations

impl<E, R> RelationBuilder<E, R> where
    E: EntityTrait,
    R: EntityTrait, 

pub fn from<T>(self, identifier: T) -> Self where
    T: IdentityOf<E>, 

Build a relationship from an Entity

pub fn to<T>(self, identifier: T) -> Self where
    T: IdentityOf<R>, 

Build a relationship to an Entity

pub fn on_delete(self, action: ForeignKeyAction) -> Self

An operation to perform on a foreign key when a delete operation occurs

pub fn on_update(self, action: ForeignKeyAction) -> Self

An operation to perform on a foreign key when an update operation occurs

Trait Implementations

impl<E: Debug, R: Debug> Debug for RelationBuilder<E, R> where
    E: EntityTrait,
    R: EntityTrait, 

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

Formats the value using the given formatter.

impl<E, R> From<RelationBuilder<E, R>> for RelationDef where
    E: EntityTrait,
    R: EntityTrait, 

fn from(b: RelationBuilder<E, R>) -> Self

Performs the conversion.