DatumRelationSpec<E extends RelationalDatumEntity, R extends DatumEntityInterface>.hasOne constructor
DatumRelationSpec<E extends RelationalDatumEntity, R extends DatumEntityInterface>.hasOne (
- String name, {
- required DatumFieldSpec<
R, String> foreignKey, - String localKey = 'id',
- CascadeDeleteBehavior cascadeDelete = CascadeDeleteBehavior.none,
A to-one child relation, same key semantics as DatumRelationSpec.hasMany.
Implementation
DatumRelationSpec.hasOne(
this.name, {
required DatumFieldSpec<R, String> foreignKey,
this.localKey = 'id',
this.cascadeDelete = CascadeDeleteBehavior.none,
}) : kind = DatumRelationKind.hasOne,
foreignKeyName = foreignKey.name,
pivotType = null,
pivotOtherKeyName = null,
otherLocalKey = 'id';