pub struct RelationDef {
pub rel_type: RelationType,
pub from_tbl: TableRef,
pub to_tbl: TableRef,
pub from_col: Identity,
pub to_col: Identity,
pub is_owner: bool,
pub on_delete: Option<ForeignKeyAction>,
pub on_update: Option<ForeignKeyAction>,
pub fk_name: Option<String>,
}
Expand description
Defines a relationship
Fields
rel_type: RelationType
The type of relationship defined in RelationType
from_tbl: TableRef
Reference from another Entity
to_tbl: TableRef
Reference to another ENtity
from_col: Identity
Reference to from a Column
to_col: Identity
Reference to another column
is_owner: bool
Defines the owner of the Relation
on_delete: Option<ForeignKeyAction>
Defines an operation to be performed on a Foreign Key when a
DELETE
Operation is performed
on_update: Option<ForeignKeyAction>
Defines an operation to be performed on a Foreign Key when a
UPDATE
Operation is performed
fk_name: Option<String>
The name of foreign key constraint
Implementations
sourceimpl RelationDef
impl RelationDef
Trait Implementations
sourceimpl Debug for RelationDef
impl Debug for RelationDef
sourceimpl<E, R> From<RelationBuilder<E, R>> for RelationDef where
E: EntityTrait,
R: EntityTrait,
impl<E, R> From<RelationBuilder<E, R>> for RelationDef where
E: EntityTrait,
R: EntityTrait,
sourcefn from(b: RelationBuilder<E, R>) -> Self
fn from(b: RelationBuilder<E, R>) -> Self
Performs the conversion.
Auto Trait Implementations
impl !RefUnwindSafe for RelationDef
impl Send for RelationDef
impl Sync for RelationDef
impl Unpin for RelationDef
impl !UnwindSafe for RelationDef
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcepub fn borrow_mut(&mut self) -> &mut T
pub fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
sourceimpl<T> Instrument for T
impl<T> Instrument for T
sourcefn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
sourcefn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
impl<V, T> VZip<V> for T where
V: MultiLane<T>,
impl<V, T> VZip<V> for T where
V: MultiLane<T>,
pub fn vzip(self) -> V
sourceimpl<T> WithSubscriber for T
impl<T> WithSubscriber for T
sourcefn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,
fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,
Attaches the provided Subscriber
to this type, returning a
WithDispatch
wrapper. Read more
sourcefn with_current_subscriber(self) -> WithDispatch<Self>
fn with_current_subscriber(self) -> WithDispatch<Self>
Attaches the current default Subscriber
to this type, returning a
WithDispatch
wrapper. Read more