Version 1

[yaffs-website] / web / core / modules / system / tests / modules / entity_test / update / entity_definition_updates_8002.inc

diff --git a/web/core/modules/system/tests/modules/entity_test/update/entity_definition_updates_8002.inc b/web/core/modules/system/tests/modules/entity_test/update/entity_definition_updates_8002.inc
new file mode 100644 (file)
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+++ b/web/core/modules/system/tests/modules/entity_test/update/entity_definition_updates_8002.inc
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+<?php
+
+/**
+ * @file
+ * Defines the 8002 db update for the "entity_definition_updates" group.
+ */
+
+require_once 'entity_definition_updates_8001.inc';
+
+/**
+ * Makes the 'user_id' field single and migrate its data.
+ */
+function entity_test_update_8002() {
+  // To update the field schema we need to have no field data in the storage,
+  // thus we retrieve it, delete it from storage, and write it back to the
+  // storage after updating the schema.
+  $database = \Drupal::database();
+
+  // Retrieve existing entity data.
+  $query = $database->select('entity_test__user_id', 'et')
+    ->fields('et', ['entity_id', 'user_id_target_id']);
+  $query->condition('et.delta', 0);
+  $user_ids = $query->execute()->fetchAllKeyed();
+
+  // Remove data from the storage.
+  $database->truncate('entity_test__user_id')->execute();
+
+  // Update definitions and schema.
+  $manager = \Drupal::entityDefinitionUpdateManager();
+  $storage_definition = $manager->getFieldStorageDefinition('user_id', 'entity_test');
+  $storage_definition->setCardinality(1);
+  $manager->updateFieldStorageDefinition($storage_definition);
+
+  // Restore entity data in the new schema.
+  foreach ($user_ids as $id => $user_id) {
+    $database->update('entity_test')
+      ->fields(['user_id' => $user_id])
+      ->condition('id', $id)
+      ->execute();
+  }
+}