Struct sea_orm::entity::prelude::RelationDef[−][src]

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>,
}

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

Implementations

impl RelationDef

pub fn rev(self) -> Self

Reverse this relation (swap from and to)

Trait Implementations

impl Debug for RelationDef

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

Formats the value using the given formatter. Read more

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

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

impl<T> Any for T where
T: 'static + ?Sized,

pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T where
T: ?Sized,

pub fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
T: ?Sized,

pub fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> From<T> for T

pub fn from(t: T) -> T

Performs the conversion.

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

impl<T, U> Into<U> for T where
U: From<T>,

pub fn into(self) -> U

Performs the conversion.

impl<T> Same<T> for T

type Output = T

Should always be Self

impl<T, U> TryFrom<U> for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

pub fn vzip(self) -> V

impl<T> WithSubscriber for T

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

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more