MigrateIdMapInterface::ROLLBACK_PRESERVE

Indicates that the data for the row is to be preserved.

Rows that refer to entities that already exist on the destination and are being updated are preserved.

File

core/modules/migrate/src/Plugin/MigrateIdMapInterface.php, line 68

Class

MigrateIdMapInterface

Defines an interface for migrate ID mappings.

Namespace

Drupal\migrate\Plugin

Code

const ROLLBACK_PRESERVE = 1;