/** * Saves values of fields that use dedicated tables. * * @param \Drupal\Core\Entity\ContentEntityInterface $entity * The entity. * @param bool $update * TRUE if the entity is being updated, FALSE if it is being inserted. * @param string[] $names * (optional) The names of the fields to be stored. Defaults to all the * available fields. */ protected function saveToDedicatedTables(ContentEntityInterface $entity, $update = TRUE, $names = array()) { $vid = $entity->getRevisionId(); $id = $entity->id(); $bundle = $entity->bundle(); $entity_type = $entity->getEntityTypeId(); $default_langcode = $entity->getUntranslated()->language()->getId(); $translation_langcodes = array_keys($entity->getTranslationLanguages()); $table_mapping = $this->getTableMapping(); if (!isset($vid)) { $vid = $id; } $original = !empty($entity->original) ? $entity->original : NULL; // Determine which fields should be actually stored. $definitions = $this->entityManager->getFieldDefinitions($entity_type, $bundle); if ($names) { $definitions = array_intersect_key($definitions, array_flip($names)); } foreach ($definitions as $field_name => $field_definition) { $storage_definition = $field_definition->getFieldStorageDefinition(); if (!$table_mapping->requiresDedicatedTableStorage($storage_definition)) { continue; } // When updating an existing revision, keep the existing records if the // field values did not change. if (!$entity->isNewRevision() && $original && !$this->hasFieldValueChanged($field_definition, $entity, $original)) { continue; } $table_name = $table_mapping->getDedicatedDataTableName($storage_definition); $revision_name = $table_mapping->getDedicatedRevisionTableName($storage_definition); // Delete and insert, rather than update, in case a value was added. if ($update) { // Only overwrite the field's base table if saving the default revision // of an entity. if ($entity->isDefaultRevision()) { $this->database->delete($table_name)->condition('entity_id', $id)->execute(); } if ($this->entityType->isRevisionable()) { $this->database->delete($revision_name)->condition('entity_id', $id)->condition('revision_id', $vid)->execute(); } } // Prepare the multi-insert query. $do_insert = FALSE; $columns = array('entity_id', 'revision_id', 'bundle', 'delta', 'langcode'); foreach ($storage_definition->getColumns() as $column => $attributes) { $columns[] = $table_mapping->getFieldColumnName($storage_definition, $column); } $query = $this->database->insert($table_name)->fields($columns); if ($this->entityType->isRevisionable()) { $revision_query = $this->database->insert($revision_name)->fields($columns); } $langcodes = $field_definition->isTranslatable() ? $translation_langcodes : array($default_langcode); foreach ($langcodes as $langcode) { $delta_count = 0; $items = $entity->getTranslation($langcode)->get($field_name); $items->filterEmptyItems(); foreach ($items as $delta => $item) { // We now know we have something to insert. $do_insert = TRUE; $record = array('entity_id' => $id, 'revision_id' => $vid, 'bundle' => $bundle, 'delta' => $delta, 'langcode' => $langcode); foreach ($storage_definition->getColumns() as $column => $attributes) { $column_name = $table_mapping->getFieldColumnName($storage_definition, $column); // Serialize the value if specified in the column schema. $record[$column_name] = !empty($attributes['serialize']) ? serialize($item->{$column}) : $item->{$column}; } $query->values($record); if ($this->entityType->isRevisionable()) { $revision_query->values($record); } if ($storage_definition->getCardinality() != FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED && ++$delta_count == $storage_definition->getCardinality()) { break; } } } // Execute the query if we have values to insert. if ($do_insert) { // Only overwrite the field's base table if saving the default revision // of an entity. if ($entity->isDefaultRevision()) { $query->execute(); } if ($this->entityType->isRevisionable()) { $revision_query->execute(); } } } }
/** * Saves an entity revision. * * @param \Drupal\Core\Entity\ContentEntityInterface $entity * The entity object. * * @return int * The revision id. */ protected function saveRevision(ContentEntityInterface $entity) { $record = $this->mapToStorageRecord($entity->getUntranslated(), $this->revisionTable); $entity->preSaveRevision($this, $record); if ($entity->isNewRevision()) { $insert_id = $this->database->insert($this->revisionTable, array('return' => Database::RETURN_INSERT_ID))->fields((array) $record)->execute(); // Even if this is a new revision, the revision ID key might have been // set in which case we should not override the provided revision ID. if (!isset($record->{$this->revisionKey})) { $record->{$this->revisionKey} = $insert_id; } if ($entity->isDefaultRevision()) { $this->database->update($this->entityType->getBaseTable())->fields(array($this->revisionKey => $record->{$this->revisionKey}))->condition($this->idKey, $record->{$this->idKey})->execute(); } } else { $this->database->update($this->revisionTable)->fields((array) $record)->condition($this->revisionKey, $record->{$this->revisionKey})->execute(); } // Make sure to update the new revision key for the entity. $entity->{$this->revisionKey}->value = $record->{$this->revisionKey}; return $record->{$this->revisionKey}; }