protected SqlContentEntityStorageSchema::initializeRevisionTable(ContentEntityTypeInterface $entity_type)
Initializes common information for a revision table.
\Drupal\Core\Entity\ContentEntityTypeInterface $entity_type: The entity type.
array A partial schema array for the revision table.
protected function initializeRevisionTable(ContentEntityTypeInterface $entity_type) { $entity_type_id = $entity_type->id(); $id_key = $entity_type->getKey('id'); $revision_key = $entity_type->getKey('revision'); $schema = array( 'description' => "The revision table for $entity_type_id entities.", 'primary key' => array($revision_key), 'indexes' => array(), 'foreign keys' => array( $entity_type_id . '__revisioned' => array( 'table' => $this->storage->getBaseTable(), 'columns' => array($id_key => $id_key), ), ), ); $schema['indexes'][$this->getEntityIndexName($entity_type, $id_key)] = array($id_key); $this->addTableDefaults($schema); return $schema; }
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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Entity!Sql!SqlContentEntityStorageSchema.php/function/SqlContentEntityStorageSchema::initializeRevisionTable/8.1.x