pub type LinkDef = RelationDef;
Expand description
Same as RelationDef
Aliased Typeยง
struct LinkDef {
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 on_condition: Option<Box<dyn Fn(SeaRc<dyn Iden>, SeaRc<dyn Iden>) -> Condition + Sync + Send>>,
pub fk_name: Option<String>,
pub condition_type: ConditionType,
}
Fieldsยง
ยงrel_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
on_condition: Option<Box<dyn Fn(SeaRc<dyn Iden>, SeaRc<dyn Iden>) -> Condition + Sync + Send>>
Custom join ON condition
fk_name: Option<String>
The name of foreign key constraint
condition_type: ConditionType
Condition type of join on expression