接口 UpdateEvent<Entity>

UpdateEvent is an object that broadcaster sends to the entity subscriber when entity is being updated in the database.

interface UpdateEvent<Entity> {
    connection: DataSource;
    databaseEntity: Entity;
    entity: undefined | ObjectLiteral;
    manager: EntityManager;
    metadata: EntityMetadata;
    queryRunner: QueryRunner;
    updatedColumns: ColumnMetadata[];
    updatedRelations: RelationMetadata[];
}

类型参数

Entity

索引

属性

connection databaseEntity entity manager metadata queryRunner updatedColumns updatedRelations

属性

connection

connection: DataSource

Connection used in the event.

databaseEntity

databaseEntity: Entity

Updating entity in the database.

entity

entity: undefined | ObjectLiteral

Updating entity.

manager

manager: EntityManager

EntityManager used in the event transaction. All database operations in the subscribed event listener should be performed using this entity manager instance.

metadata

metadata: EntityMetadata

Metadata of the entity.

queryRunner

queryRunner: QueryRunner

QueryRunner used in the event transaction. All database operations in the subscribed event listener should be performed using this query runner instance.

updatedColumns

updatedColumns: ColumnMetadata[]

List of updated columns. In query builder has no affected

updatedRelations

updatedRelations: RelationMetadata[]

List of updated relations. In query builder has no affected