SqlContentEntityStorage.php
Same filename in other branches
Namespace
Drupal\Core\Entity\SqlFile
-
core/
lib/ Drupal/ Core/ Entity/ Sql/ SqlContentEntityStorage.php
View source
<?php
namespace Drupal\Core\Entity\Sql;
use Drupal\Core\Cache\CacheBackendInterface;
use Drupal\Core\Cache\MemoryCache\MemoryCacheInterface;
use Drupal\Core\Database\Connection;
use Drupal\Core\Database\Database;
use Drupal\Core\Database\DatabaseExceptionWrapper;
use Drupal\Core\Database\SchemaException;
use Drupal\Core\Entity\ContentEntityInterface;
use Drupal\Core\Entity\ContentEntityStorageBase;
use Drupal\Core\Entity\ContentEntityTypeInterface;
use Drupal\Core\Entity\EntityBundleListenerInterface;
use Drupal\Core\Entity\EntityFieldManagerInterface;
use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Entity\EntityTypeBundleInfoInterface;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Entity\EntityStorageException;
use Drupal\Core\Entity\EntityTypeInterface;
use Drupal\Core\Entity\Query\QueryInterface;
use Drupal\Core\Entity\Schema\DynamicallyFieldableEntityStorageSchemaInterface;
use Drupal\Core\Field\FieldDefinitionInterface;
use Drupal\Core\Field\FieldStorageDefinitionInterface;
use Drupal\Core\Language\LanguageInterface;
use Drupal\Core\Language\LanguageManagerInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
/**
* A content entity database storage implementation.
*
* This class can be used as-is by most content entity types. Entity types
* requiring special handling can extend the class.
*
* The class uses \Drupal\Core\Entity\Sql\SqlContentEntityStorageSchema
* internally in order to automatically generate the database schema based on
* the defined base fields. Entity types can override the schema handler to
* customize the generated schema; e.g., to add additional indexes.
*
* @ingroup entity_api
*/
class SqlContentEntityStorage extends ContentEntityStorageBase implements SqlEntityStorageInterface, DynamicallyFieldableEntityStorageSchemaInterface, EntityBundleListenerInterface {
/**
* The entity type's field storage definitions.
*
* @var \Drupal\Core\Field\FieldStorageDefinitionInterface[]
*/
protected $fieldStorageDefinitions;
/**
* The mapping of field columns to SQL tables.
*
* @var \Drupal\Core\Entity\Sql\TableMappingInterface
*/
protected $tableMapping;
/**
* Name of entity's revision database table field, if it supports revisions.
*
* Has the value FALSE if this entity does not use revisions.
*
* @var string
*/
protected $revisionKey = FALSE;
/**
* The entity langcode key.
*
* @var string|bool
*/
protected $langcodeKey = FALSE;
/**
* The default language entity key.
*
* @var string
*/
protected $defaultLangcodeKey = FALSE;
/**
* The base table of the entity.
*
* @var string
*/
protected $baseTable;
/**
* The table that stores revisions, if the entity supports revisions.
*
* @var string
*/
protected $revisionTable;
/**
* The table that stores properties, if the entity has multilingual support.
*
* @var string
*/
protected $dataTable;
/**
* The table that stores revision field data if the entity supports revisions.
*
* @var string
*/
protected $revisionDataTable;
/**
* Active database connection.
*
* @var \Drupal\Core\Database\Connection
*/
protected $database;
/**
* The entity type's storage schema object.
*
* @var \Drupal\Core\Entity\Schema\EntityStorageSchemaInterface
*/
protected $storageSchema;
/**
* The language manager.
*
* @var \Drupal\Core\Language\LanguageManagerInterface
*/
protected $languageManager;
/**
* The entity type manager.
*
* @var \Drupal\Core\Entity\EntityTypeManagerInterface
*/
protected $entityTypeManager;
/**
* Whether this storage should use the temporary table mapping.
*
* @var bool
*/
protected $temporary = FALSE;
/**
* {@inheritdoc}
*/
public static function createInstance(ContainerInterface $container, EntityTypeInterface $entity_type) {
return new static($entity_type, $container->get('database'), $container->get('entity_field.manager'), $container->get('cache.entity'), $container->get('language_manager'), $container->get('entity.memory_cache'), $container->get('entity_type.bundle.info'), $container->get('entity_type.manager'));
}
/**
* Constructs a SqlContentEntityStorage object.
*
* @param \Drupal\Core\Entity\EntityTypeInterface $entity_type
* The entity type definition.
* @param \Drupal\Core\Database\Connection $database
* The database connection to be used.
* @param \Drupal\Core\Entity\EntityFieldManagerInterface $entity_field_manager
* The entity field manager.
* @param \Drupal\Core\Cache\CacheBackendInterface $cache
* The cache backend to be used.
* @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
* The language manager.
* @param \Drupal\Core\Cache\MemoryCache\MemoryCacheInterface $memory_cache
* The memory cache backend to be used.
* @param \Drupal\Core\Entity\EntityTypeBundleInfoInterface $entity_type_bundle_info
* The entity type bundle info.
* @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
* The entity type manager.
*/
public function __construct(EntityTypeInterface $entity_type, Connection $database, EntityFieldManagerInterface $entity_field_manager, CacheBackendInterface $cache, LanguageManagerInterface $language_manager, MemoryCacheInterface $memory_cache, EntityTypeBundleInfoInterface $entity_type_bundle_info, EntityTypeManagerInterface $entity_type_manager) {
parent::__construct($entity_type, $entity_field_manager, $cache, $memory_cache, $entity_type_bundle_info);
$this->database = $database;
$this->languageManager = $language_manager;
$this->entityTypeManager = $entity_type_manager;
$this->entityType = $this->entityTypeManager
->getActiveDefinition($entity_type->id());
$this->fieldStorageDefinitions = $this->entityFieldManager
->getActiveFieldStorageDefinitions($entity_type->id());
$this->initTableLayout();
}
/**
* Initializes table name variables.
*/
protected function initTableLayout() {
// Reset table field values to ensure changes in the entity type definition
// are correctly reflected in the table layout.
$this->tableMapping = NULL;
$this->revisionKey = NULL;
$this->revisionTable = NULL;
$this->dataTable = NULL;
$this->revisionDataTable = NULL;
$table_mapping = $this->getTableMapping();
$this->baseTable = $table_mapping->getBaseTable();
$revisionable = $this->entityType
->isRevisionable();
if ($revisionable) {
$this->revisionKey = $this->entityType
->getKey('revision') ?: 'revision_id';
$this->revisionTable = $table_mapping->getRevisionTable();
}
$translatable = $this->entityType
->isTranslatable();
if ($translatable) {
$this->dataTable = $table_mapping->getDataTable();
$this->langcodeKey = $this->entityType
->getKey('langcode');
$this->defaultLangcodeKey = $this->entityType
->getKey('default_langcode');
}
if ($revisionable && $translatable) {
$this->revisionDataTable = $table_mapping->getRevisionDataTable();
}
}
/**
* Gets the base table name.
*
* @return string
* The table name.
*/
public function getBaseTable() {
return $this->baseTable;
}
/**
* Gets the revision table name.
*
* @return string|false
* The table name or FALSE if it is not available.
*/
public function getRevisionTable() {
return $this->revisionTable;
}
/**
* Gets the data table name.
*
* @return string|false
* The table name or FALSE if it is not available.
*/
public function getDataTable() {
return $this->dataTable;
}
/**
* Gets the revision data table name.
*
* @return string|false
* The table name or FALSE if it is not available.
*/
public function getRevisionDataTable() {
return $this->revisionDataTable;
}
/**
* Gets the entity type's storage schema object.
*
* @return \Drupal\Core\Entity\Sql\SqlContentEntityStorageSchema
* The schema object.
*/
protected function getStorageSchema() {
if (!isset($this->storageSchema)) {
$class = $this->entityType
->getHandlerClass('storage_schema') ?: 'Drupal\\Core\\Entity\\Sql\\SqlContentEntityStorageSchema';
$this->storageSchema = new $class($this->entityTypeManager, $this->entityType, $this, $this->database, $this->entityFieldManager);
}
return $this->storageSchema;
}
/**
* Updates the wrapped entity type definition.
*
* @param \Drupal\Core\Entity\EntityTypeInterface $entity_type
* The update entity type.
*
* @internal Only to be used internally by Entity API. Expected to be
* removed by https://www.drupal.org/node/2274017.
*/
public function setEntityType(EntityTypeInterface $entity_type) {
if ($this->entityType
->id() == $entity_type->id()) {
$this->entityType = $entity_type;
$this->initTableLayout();
}
else {
throw new EntityStorageException("Unsupported entity type {$entity_type->id()}");
}
}
/**
* Updates the internal list of field storage definitions.
*
* @param \Drupal\Core\Field\FieldStorageDefinitionInterface[] $field_storage_definitions
* An array of field storage definitions.
*
* @internal Only to be used internally by Entity API.
*/
public function setFieldStorageDefinitions(array $field_storage_definitions) {
foreach ($field_storage_definitions as $field_storage_definition) {
if ($field_storage_definition->getTargetEntityTypeId() !== $this->entityType
->id()) {
throw new EntityStorageException("Unsupported entity type {$field_storage_definition->getTargetEntityTypeId()}");
}
}
$this->fieldStorageDefinitions = $field_storage_definitions;
}
/**
* Sets the wrapped table mapping definition.
*
* @param \Drupal\Core\Entity\Sql\TableMappingInterface $table_mapping
* The table mapping.
*
* @internal Only to be used internally by Entity API. Expected to be removed
* by https://www.drupal.org/node/2554235.
*/
public function setTableMapping(TableMappingInterface $table_mapping) {
$this->tableMapping = $table_mapping;
$this->baseTable = $table_mapping->getBaseTable();
$this->revisionTable = $table_mapping->getRevisionTable();
$this->dataTable = $table_mapping->getDataTable();
$this->revisionDataTable = $table_mapping->getRevisionDataTable();
}
/**
* Changes the temporary state of the storage.
*
* @param bool $temporary
* Whether to use a temporary table mapping or not.
*
* @internal Only to be used internally by Entity API.
*/
public function setTemporary($temporary) {
$this->temporary = $temporary;
}
/**
* {@inheritdoc}
*/
public function getTableMapping(array $storage_definitions = NULL) {
// If a new set of field storage definitions is passed, for instance when
// comparing old and new storage schema, we compute the table mapping
// without caching.
if ($storage_definitions) {
return $this->getCustomTableMapping($this->entityType, $storage_definitions);
}
// If we are using our internal storage definitions, which is our main use
// case, we can statically cache the computed table mapping.
if (!isset($this->tableMapping)) {
$this->tableMapping = $this->getCustomTableMapping($this->entityType, $this->fieldStorageDefinitions);
}
return $this->tableMapping;
}
/**
* Gets a table mapping for the specified entity type and storage definitions.
*
* @param \Drupal\Core\Entity\ContentEntityTypeInterface $entity_type
* An entity type definition.
* @param \Drupal\Core\Field\FieldStorageDefinitionInterface[] $storage_definitions
* An array of field storage definitions to be used to compute the table
* mapping.
* @param string $prefix
* (optional) A prefix to be used by all the tables of this mapping.
* Defaults to an empty string.
*
* @return \Drupal\Core\Entity\Sql\TableMappingInterface
* A table mapping object for the entity's tables.
*
* @internal
*/
public function getCustomTableMapping(ContentEntityTypeInterface $entity_type, array $storage_definitions, $prefix = '') {
$prefix = $prefix ?: ($this->temporary ? 'tmp_' : '');
return DefaultTableMapping::create($entity_type, $storage_definitions, $prefix);
}
/**
* {@inheritdoc}
*/
protected function doLoadMultiple(array $ids = NULL) {
// Attempt to load entities from the persistent cache. This will remove IDs
// that were loaded from $ids.
$entities_from_cache = $this->getFromPersistentCache($ids);
// Load any remaining entities from the database.
if ($entities_from_storage = $this->getFromStorage($ids)) {
$this->invokeStorageLoadHook($entities_from_storage);
$this->setPersistentCache($entities_from_storage);
}
return $entities_from_cache + $entities_from_storage;
}
/**
* Gets entities from the storage.
*
* @param array|null $ids
* If not empty, return entities that match these IDs. Return all entities
* when NULL.
*
* @return \Drupal\Core\Entity\ContentEntityInterface[]
* Array of entities from the storage.
*/
protected function getFromStorage(array $ids = NULL) {
$entities = [];
if (!empty($ids)) {
// Sanitize IDs. Before feeding ID array into buildQuery, check whether
// it is empty as this would load all entities.
$ids = $this->cleanIds($ids);
}
if ($ids === NULL || $ids) {
// Build and execute the query.
$query_result = $this->buildQuery($ids)
->execute();
$records = $query_result->fetchAllAssoc($this->idKey);
// Map the loaded records into entity objects and according fields.
if ($records) {
$entities = $this->mapFromStorageRecords($records);
}
}
return $entities;
}
/**
* Maps from storage records to entity objects, and attaches fields.
*
* @param array $records
* Associative array of query results, keyed on the entity ID or revision
* ID.
* @param bool $load_from_revision
* (optional) Flag to indicate whether revisions should be loaded or not.
* Defaults to FALSE.
*
* @return array
* An array of entity objects implementing the EntityInterface.
*/
protected function mapFromStorageRecords(array $records, $load_from_revision = FALSE) {
if (!$records) {
return [];
}
// Get the names of the fields that are stored in the base table and, if
// applicable, the revision table. Other entity data will be loaded in
// loadFromSharedTables() and loadFromDedicatedTables().
$field_names = $this->tableMapping
->getFieldNames($this->baseTable);
if ($this->revisionTable) {
$field_names = array_unique(array_merge($field_names, $this->tableMapping
->getFieldNames($this->revisionTable)));
}
$values = [];
foreach ($records as $id => $record) {
$values[$id] = [];
// Skip the item delta and item value levels (if possible) but let the
// field assign the value as suiting. This avoids unnecessary array
// hierarchies and saves memory here.
foreach ($field_names as $field_name) {
$field_columns = $this->tableMapping
->getColumnNames($field_name);
// Handle field types that store several properties.
if (count($field_columns) > 1) {
$definition_columns = $this->fieldStorageDefinitions[$field_name]
->getColumns();
foreach ($field_columns as $property_name => $column_name) {
if (property_exists($record, $column_name)) {
$values[$id][$field_name][LanguageInterface::LANGCODE_DEFAULT][$property_name] = !empty($definition_columns[$property_name]['serialize']) ? unserialize($record->{$column_name}) : $record->{$column_name};
unset($record->{$column_name});
}
}
}
else {
$column_name = reset($field_columns);
if (property_exists($record, $column_name)) {
$columns = $this->fieldStorageDefinitions[$field_name]
->getColumns();
$column = reset($columns);
$values[$id][$field_name][LanguageInterface::LANGCODE_DEFAULT] = !empty($column['serialize']) ? unserialize($record->{$column_name}) : $record->{$column_name};
unset($record->{$column_name});
}
}
}
// Handle additional record entries that are not provided by an entity
// field, such as 'isDefaultRevision'.
foreach ($record as $name => $value) {
$values[$id][$name][LanguageInterface::LANGCODE_DEFAULT] = $value;
}
}
// Initialize translations array.
$translations = array_fill_keys(array_keys($values), []);
// Load values from shared and dedicated tables.
$this->loadFromSharedTables($values, $translations, $load_from_revision);
$this->loadFromDedicatedTables($values, $load_from_revision);
$entities = [];
foreach ($values as $id => $entity_values) {
$bundle = $this->bundleKey ? $entity_values[$this->bundleKey][LanguageInterface::LANGCODE_DEFAULT] : NULL;
// Turn the record into an entity class.
$entity_class = $this->getEntityClass($bundle);
$entities[$id] = new $entity_class($entity_values, $this->entityTypeId, $bundle, array_keys($translations[$id]));
}
return $entities;
}
/**
* Loads values for fields stored in the shared data tables.
*
* @param array &$values
* Associative array of entities values, keyed on the entity ID or the
* revision ID.
* @param array &$translations
* List of translations, keyed on the entity ID.
* @param bool $load_from_revision
* Flag to indicate whether revisions should be loaded or not.
*/
protected function loadFromSharedTables(array &$values, array &$translations, $load_from_revision) {
$record_key = !$load_from_revision ? $this->idKey : $this->revisionKey;
if ($this->dataTable) {
// If a revision table is available, we need all the properties of the
// latest revision. Otherwise we fall back to the data table.
$table = $this->revisionDataTable ?: $this->dataTable;
$alias = $this->revisionDataTable ? 'revision' : 'data';
$query = $this->database
->select($table, $alias, [
'fetch' => \PDO::FETCH_ASSOC,
])
->fields($alias)
->condition($alias . '.' . $record_key, array_keys($values), 'IN')
->orderBy($alias . '.' . $record_key);
$table_mapping = $this->getTableMapping();
if ($this->revisionDataTable) {
// Find revisioned fields that are not entity keys. Exclude the langcode
// key as the base table holds only the default language.
$base_fields = array_diff($table_mapping->getFieldNames($this->baseTable), [
$this->langcodeKey,
]);
$revisioned_fields = array_diff($table_mapping->getFieldNames($this->revisionDataTable), $base_fields);
// Find fields that are not revisioned or entity keys. Data fields have
// the same value regardless of entity revision.
$data_fields = array_diff($table_mapping->getFieldNames($this->dataTable), $revisioned_fields, $base_fields);
// If there are no data fields then only revisioned fields are needed
// else both data fields and revisioned fields are needed to map the
// entity values.
$all_fields = $revisioned_fields;
if ($data_fields) {
$all_fields = array_merge($revisioned_fields, $data_fields);
$query->leftJoin($this->dataTable, 'data', "([revision].[{$this->idKey}] = [data].[{$this->idKey}] AND [revision].[{$this->langcodeKey}] = [data].[{$this->langcodeKey}])");
$column_names = [];
// Some fields can have more then one columns in the data table so
// column names are needed.
foreach ($data_fields as $data_field) {
// \Drupal\Core\Entity\Sql\TableMappingInterface::getColumnNames()
// returns an array keyed by property names so remove the keys
// before array_merge() to avoid losing data with fields having the
// same columns i.e. value.
$column_names = array_merge($column_names, array_values($table_mapping->getColumnNames($data_field)));
}
$query->fields('data', $column_names);
}
// Get the revision IDs.
$revision_ids = [];
foreach ($values as $entity_values) {
$revision_ids[] = $entity_values[$this->revisionKey][LanguageInterface::LANGCODE_DEFAULT];
}
$query->condition('revision.' . $this->revisionKey, $revision_ids, 'IN');
}
else {
$all_fields = $table_mapping->getFieldNames($this->dataTable);
}
$result = $query->execute();
foreach ($result as $row) {
$id = $row[$record_key];
// Field values in default language are stored with
// LanguageInterface::LANGCODE_DEFAULT as key.
$langcode = empty($row[$this->defaultLangcodeKey]) ? $row[$this->langcodeKey] : LanguageInterface::LANGCODE_DEFAULT;
$translations[$id][$langcode] = TRUE;
foreach ($all_fields as $field_name) {
$storage_definition = $this->fieldStorageDefinitions[$field_name];
$definition_columns = $storage_definition->getColumns();
$columns = $table_mapping->getColumnNames($field_name);
// Do not key single-column fields by property name.
if (count($columns) == 1) {
$column_name = reset($columns);
$column_attributes = $definition_columns[key($columns)];
$values[$id][$field_name][$langcode] = !empty($column_attributes['serialize']) ? unserialize($row[$column_name]) : $row[$column_name];
}
else {
foreach ($columns as $property_name => $column_name) {
$column_attributes = $definition_columns[$property_name];
$values[$id][$field_name][$langcode][$property_name] = !empty($column_attributes['serialize']) ? unserialize($row[$column_name]) : $row[$column_name];
}
}
}
}
}
}
/**
* {@inheritdoc}
*/
protected function doLoadMultipleRevisionsFieldItems($revision_ids) {
$revisions = [];
// Sanitize IDs. Before feeding ID array into buildQuery, check whether
// it is empty as this would load all entity revisions.
$revision_ids = $this->cleanIds($revision_ids, 'revision');
if (!empty($revision_ids)) {
// Build and execute the query.
$query_result = $this->buildQuery(NULL, $revision_ids)
->execute();
$records = $query_result->fetchAllAssoc($this->revisionKey);
// Map the loaded records into entity objects and according fields.
if ($records) {
$revisions = $this->mapFromStorageRecords($records, TRUE);
}
}
return $revisions;
}
/**
* {@inheritdoc}
*/
protected function doDeleteRevisionFieldItems(ContentEntityInterface $revision) {
$this->database
->delete($this->revisionTable)
->condition($this->revisionKey, $revision->getRevisionId())
->execute();
if ($this->revisionDataTable) {
$this->database
->delete($this->revisionDataTable)
->condition($this->revisionKey, $revision->getRevisionId())
->execute();
}
$this->deleteRevisionFromDedicatedTables($revision);
}
/**
* {@inheritdoc}
*/
protected function buildPropertyQuery(QueryInterface $entity_query, array $values) {
if ($this->dataTable) {
// @todo We should not be using a condition to specify whether conditions
// apply to the default language. See
// https://www.drupal.org/node/1866330.
// Default to the original entity language if not explicitly specified
// otherwise.
if (!array_key_exists($this->defaultLangcodeKey, $values)) {
$values[$this->defaultLangcodeKey] = 1;
}
elseif ($values[$this->defaultLangcodeKey] === NULL) {
unset($values[$this->defaultLangcodeKey]);
}
}
parent::buildPropertyQuery($entity_query, $values);
}
/**
* Builds the query to load the entity.
*
* This has full revision support. For entities requiring special queries,
* the class can be extended, and the default query can be constructed by
* calling parent::buildQuery(). This is usually necessary when the object
* being loaded needs to be augmented with additional data from another
* table, such as loading vocabulary machine name into terms, however it
* can also support $conditions on different tables.
*
* @param array|null $ids
* An array of entity IDs, or NULL to load all entities.
* @param array|bool $revision_ids
* The IDs of the revisions to load, or FALSE if this query is asking for
* the default revisions. Defaults to FALSE.
*
* @return \Drupal\Core\Database\Query\SelectInterface
* A SelectQuery object for loading the entity.
*/
protected function buildQuery($ids, $revision_ids = FALSE) {
$query = $this->database
->select($this->baseTable, 'base');
$query->addTag($this->entityTypeId . '_load_multiple');
if ($revision_ids) {
$query->join($this->revisionTable, 'revision', "[revision].[{$this->idKey}] = [base].[{$this->idKey}] AND [revision].[{$this->revisionKey}] IN (:revisionIds[])", [
':revisionIds[]' => $revision_ids,
]);
}
elseif ($this->revisionTable) {
$query->join($this->revisionTable, 'revision', "[revision].[{$this->revisionKey}] = [base].[{$this->revisionKey}]");
}
// Add fields from the {entity} table.
$table_mapping = $this->getTableMapping();
$entity_fields = $table_mapping->getAllColumns($this->baseTable);
if ($this->revisionTable) {
// Add all fields from the {entity_revision} table.
$entity_revision_fields = $table_mapping->getAllColumns($this->revisionTable);
$entity_revision_fields = array_combine($entity_revision_fields, $entity_revision_fields);
// The ID field is provided by entity, so remove it.
unset($entity_revision_fields[$this->idKey]);
// Remove all fields from the base table that are also fields by the same
// name in the revision table.
$entity_field_keys = array_flip($entity_fields);
foreach ($entity_revision_fields as $name) {
if (isset($entity_field_keys[$name])) {
unset($entity_fields[$entity_field_keys[$name]]);
}
}
$query->fields('revision', $entity_revision_fields);
// Compare revision ID of the base and revision table, if equal then this
// is the default revision.
$query->addExpression('CASE [base].[' . $this->revisionKey . '] WHEN [revision].[' . $this->revisionKey . '] THEN 1 ELSE 0 END', 'isDefaultRevision');
}
$query->fields('base', $entity_fields);
if ($ids) {
$query->condition("base.{$this->idKey}", $ids, 'IN');
}
return $query;
}
/**
* {@inheritdoc}
*/
public function delete(array $entities) {
if (!$entities) {
// If no IDs or invalid IDs were passed, do nothing.
return;
}
try {
$transaction = $this->database
->startTransaction();
parent::delete($entities);
// Ignore replica server temporarily.
\Drupal::service('database.replica_kill_switch')->trigger();
} catch (\Exception $e) {
if (isset($transaction)) {
$transaction->rollBack();
}
watchdog_exception($this->entityTypeId, $e);
throw new EntityStorageException($e->getMessage(), $e->getCode(), $e);
}
}
/**
* {@inheritdoc}
*/
protected function doDeleteFieldItems($entities) {
$ids = array_keys($entities);
$this->database
->delete($this->baseTable)
->condition($this->idKey, $ids, 'IN')
->execute();
if ($this->revisionTable) {
$this->database
->delete($this->revisionTable)
->condition($this->idKey, $ids, 'IN')
->execute();
}
if ($this->dataTable) {
$this->database
->delete($this->dataTable)
->condition($this->idKey, $ids, 'IN')
->execute();
}
if ($this->revisionDataTable) {
$this->database
->delete($this->revisionDataTable)
->condition($this->idKey, $ids, 'IN')
->execute();
}
foreach ($entities as $entity) {
$this->deleteFromDedicatedTables($entity);
}
}
/**
* {@inheritdoc}
*/
public function save(EntityInterface $entity) {
try {
$transaction = $this->database
->startTransaction();
$return = parent::save($entity);
// Ignore replica server temporarily.
\Drupal::service('database.replica_kill_switch')->trigger();
return $return;
} catch (\Exception $e) {
if (isset($transaction)) {
$transaction->rollBack();
}
watchdog_exception($this->entityTypeId, $e);
throw new EntityStorageException($e->getMessage(), $e->getCode(), $e);
}
}
/**
* {@inheritdoc}
*/
public function restore(EntityInterface $entity) {
try {
$transaction = $this->database
->startTransaction();
// Insert the entity data in the base and data tables only for default
// revisions.
/** @var \Drupal\Core\Entity\ContentEntityInterface $entity */
if ($entity->isDefaultRevision()) {
$record = $this->mapToStorageRecord($entity->getUntranslated(), $this->baseTable);
$this->database
->insert($this->baseTable)
->fields((array) $record)
->execute();
if ($this->dataTable) {
$this->saveToSharedTables($entity);
}
}
// Insert the entity data in the revision and revision data tables.
if ($this->revisionTable) {
$record = $this->mapToStorageRecord($entity->getUntranslated(), $this->revisionTable);
$this->database
->insert($this->revisionTable)
->fields((array) $record)
->execute();
if ($this->revisionDataTable) {
$this->saveToSharedTables($entity, $this->revisionDataTable);
}
}
// Insert the entity data in the dedicated tables.
$this->saveToDedicatedTables($entity, FALSE, []);
// Ignore replica server temporarily.
\Drupal::service('database.replica_kill_switch')->trigger();
} catch (\Exception $e) {
if (isset($transaction)) {
$transaction->rollBack();
}
watchdog_exception($this->entityTypeId, $e);
throw new EntityStorageException($e->getMessage(), $e->getCode(), $e);
}
}
/**
* {@inheritdoc}
*/
protected function doSaveFieldItems(ContentEntityInterface $entity, array $names = []) {
$full_save = empty($names);
$update = !$full_save || !$entity->isNew();
if ($full_save) {
$shared_table_fields = TRUE;
$dedicated_table_fields = TRUE;
}
else {
$table_mapping = $this->getTableMapping();
$shared_table_fields = FALSE;
$dedicated_table_fields = [];
// Collect the name of fields to be written in dedicated tables and check
// whether shared table records need to be updated.
foreach ($names as $name) {
$storage_definition = $this->fieldStorageDefinitions[$name];
if ($table_mapping->allowsSharedTableStorage($storage_definition)) {
$shared_table_fields = TRUE;
}
elseif ($table_mapping->requiresDedicatedTableStorage($storage_definition)) {
$dedicated_table_fields[] = $name;
}
}
}
// Update shared table records if necessary.
if ($shared_table_fields) {
$record = $this->mapToStorageRecord($entity->getUntranslated(), $this->baseTable);
// Create the storage record to be saved.
if ($update) {
$default_revision = $entity->isDefaultRevision();
if ($default_revision) {
$id = $record->{$this->idKey};
// Remove the ID from the record to enable updates on SQL variants
// that prevent updating serial columns, for example, mssql.
unset($record->{$this->idKey});
$this->database
->update($this->baseTable)
->fields((array) $record)
->condition($this->idKey, $id)
->execute();
}
if ($this->revisionTable) {
if ($full_save) {
$entity->{$this->revisionKey} = $this->saveRevision($entity);
}
else {
$record = $this->mapToStorageRecord($entity->getUntranslated(), $this->revisionTable);
// Remove the revision ID from the record to enable updates on SQL
// variants that prevent updating serial columns, for example,
// mssql.
unset($record->{$this->revisionKey});
$entity->preSaveRevision($this, $record);
$this->database
->update($this->revisionTable)
->fields((array) $record)
->condition($this->revisionKey, $entity->getRevisionId())
->execute();
}
}
if ($default_revision && $this->dataTable) {
$this->saveToSharedTables($entity);
}
if ($this->revisionDataTable) {
$new_revision = $full_save && $entity->isNewRevision();
$this->saveToSharedTables($entity, $this->revisionDataTable, $new_revision);
}
}
else {
// @todo Remove the 'return' option in Drupal 11.
// @see https://www.drupal.org/project/drupal/issues/3256524
$insert_id = $this->database
->insert($this->baseTable, [
'return' => Database::RETURN_INSERT_ID,
])
->fields((array) $record)
->execute();
// Even if this is a new entity the ID key might have been set, in which
// case we should not override the provided ID. An ID key that is not set
// to any value is interpreted as NULL (or DEFAULT) and thus overridden.
if (!isset($record->{$this->idKey})) {
$record->{$this->idKey} = $insert_id;
}
$entity->{$this->idKey} = (string) $record->{$this->idKey};
if ($this->revisionTable) {
$record->{$this->revisionKey} = $this->saveRevision($entity);
}
if ($this->dataTable) {
$this->saveToSharedTables($entity);
}
if ($this->revisionDataTable) {
$this->saveToSharedTables($entity, $this->revisionDataTable);
}
}
}
// Update dedicated table records if necessary.
if ($dedicated_table_fields) {
$names = is_array($dedicated_table_fields) ? $dedicated_table_fields : [];
$this->saveToDedicatedTables($entity, $update, $names);
}
}
/**
* {@inheritdoc}
*/
protected function has($id, EntityInterface $entity) {
return !$entity->isNew();
}
/**
* Saves fields that use the shared tables.
*
* @param \Drupal\Core\Entity\ContentEntityInterface $entity
* The entity object.
* @param string $table_name
* (optional) The table name to save to. Defaults to the data table.
* @param bool $new_revision
* (optional) Whether we are dealing with a new revision. By default fetches
* the information from the entity object.
*/
protected function saveToSharedTables(ContentEntityInterface $entity, $table_name = NULL, $new_revision = NULL) {
if (!isset($table_name)) {
$table_name = $this->dataTable;
}
if (!isset($new_revision)) {
$new_revision = $entity->isNewRevision();
}
$revision = $table_name != $this->dataTable;
if (!$revision || !$new_revision) {
$key = $revision ? $this->revisionKey : $this->idKey;
$value = $revision ? $entity->getRevisionId() : $entity->id();
// Delete and insert to handle removed values.
$this->database
->delete($table_name)
->condition($key, $value)
->execute();
}
$query = $this->database
->insert($table_name);
foreach ($entity->getTranslationLanguages() as $langcode => $language) {
$translation = $entity->getTranslation($langcode);
$record = $this->mapToDataStorageRecord($translation, $table_name);
$values = (array) $record;
$query->fields(array_keys($values))
->values($values);
}
$query->execute();
}
/**
* Maps from an entity object to the storage record.
*
* @param \Drupal\Core\Entity\ContentEntityInterface $entity
* The entity object.
* @param string $table_name
* (optional) The table name to map records to. Defaults to the base table.
*
* @return object
* The record to store.
*/
protected function mapToStorageRecord(ContentEntityInterface $entity, $table_name = NULL) {
if (!isset($table_name)) {
$table_name = $this->baseTable;
}
$record = new \stdClass();
$table_mapping = $this->getTableMapping();
foreach ($table_mapping->getFieldNames($table_name) as $field_name) {
if (empty($this->fieldStorageDefinitions[$field_name])) {
throw new EntityStorageException("Table mapping contains invalid field {$field_name}.");
}
$definition = $this->fieldStorageDefinitions[$field_name];
$columns = $table_mapping->getColumnNames($field_name);
foreach ($columns as $column_name => $schema_name) {
// If there is no main property and only a single column, get all
// properties from the first field item and assume that they will be
// stored serialized.
// @todo Give field types more control over this behavior in
// https://www.drupal.org/node/2232427.
if (!$definition->getMainPropertyName() && count($columns) == 1) {
$value = ($item = $entity->{$field_name}
->first()) ? $item->getValue() : [];
}
else {
$value = $entity->{$field_name}->{$column_name} ?? NULL;
}
if (!empty($definition->getSchema()['columns'][$column_name]['serialize'])) {
$value = serialize($value);
}
// Do not set serial fields if we do not have a value. This supports all
// SQL database drivers.
// @see https://www.drupal.org/node/2279395
$value = SqlContentEntityStorageSchema::castValue($definition->getSchema()['columns'][$column_name], $value);
$empty_serial = empty($value) && $this->isColumnSerial($table_name, $schema_name);
// The user entity is a very special case where the ID field is a serial
// but we need to insert a row with an ID of 0 to represent the
// anonymous user.
// @todo https://drupal.org/i/3222123 implement a generic fix for all
// entity types.
$user_zero = $this->entityTypeId === 'user' && $value === 0;
if (!$empty_serial || $user_zero) {
$record->{$schema_name} = $value;
}
}
}
return $record;
}
/**
* Checks whether a field column should be treated as serial.
*
* @param $table_name
* The name of the table the field column belongs to.
* @param $schema_name
* The schema name of the field column.
*
* @return bool
* TRUE if the column is serial, FALSE otherwise.
*/
protected function isColumnSerial($table_name, $schema_name) {
$result = FALSE;
switch ($table_name) {
case $this->baseTable:
$result = $schema_name == $this->idKey;
break;
case $this->revisionTable:
$result = $schema_name == $this->revisionKey;
break;
}
return $result;
}
/**
* Maps from an entity object to the storage record of the field data.
*
* @param \Drupal\Core\Entity\EntityInterface $entity
* The entity object.
* @param string $table_name
* (optional) The table name to map records to. Defaults to the data table.
*
* @return object
* The record to store.
*/
protected function mapToDataStorageRecord(EntityInterface $entity, $table_name = NULL) {
if (!isset($table_name)) {
$table_name = $this->dataTable;
}
$record = $this->mapToStorageRecord($entity, $table_name);
return $record;
}
/**
* 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()) {
// @todo Remove the 'return' option in Drupal 11.
// @see https://www.drupal.org/project/drupal/issues/3256524
$insert_id = $this->database
->insert($this->revisionTable, [
'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->baseTable)
->fields([
$this->revisionKey => $record->{$this->revisionKey},
])
->condition($this->idKey, $record->{$this->idKey})
->execute();
}
// Make sure to update the new revision key for the entity.
$entity->{$this->revisionKey}->value = $record->{$this->revisionKey};
}
else {
// Remove the revision ID from the record to enable updates on SQL
// variants that prevent updating serial columns, for example,
// mssql.
unset($record->{$this->revisionKey});
$this->database
->update($this->revisionTable)
->fields((array) $record)
->condition($this->revisionKey, $entity->getRevisionId())
->execute();
}
return $entity->getRevisionId();
}
/**
* {@inheritdoc}
*/
protected function getQueryServiceName() {
return 'entity.query.sql';
}
/**
* Loads values of fields stored in dedicated tables for a group of entities.
*
* @param array &$values
* An array of values keyed by entity ID.
* @param bool $load_from_revision
* Flag to indicate whether revisions should be loaded or not.
*/
protected function loadFromDedicatedTables(array &$values, $load_from_revision) {
if (empty($values)) {
return;
}
// Collect entities ids, bundles and languages.
$bundles = [];
$ids = [];
$default_langcodes = [];
foreach ($values as $key => $entity_values) {
$bundles[$this->bundleKey ? $entity_values[$this->bundleKey][LanguageInterface::LANGCODE_DEFAULT] : $this->entityTypeId] = TRUE;
$ids[] = !$load_from_revision ? $key : $entity_values[$this->revisionKey][LanguageInterface::LANGCODE_DEFAULT];
if ($this->langcodeKey && isset($entity_values[$this->langcodeKey][LanguageInterface::LANGCODE_DEFAULT])) {
$default_langcodes[$key] = $entity_values[$this->langcodeKey][LanguageInterface::LANGCODE_DEFAULT];
}
}
// Collect impacted fields.
$storage_definitions = [];
$definitions = [];
$table_mapping = $this->getTableMapping();
foreach ($bundles as $bundle => $v) {
$definitions[$bundle] = $this->entityFieldManager
->getFieldDefinitions($this->entityTypeId, $bundle);
foreach ($definitions[$bundle] as $field_name => $field_definition) {
$storage_definition = $field_definition->getFieldStorageDefinition();
if ($table_mapping->requiresDedicatedTableStorage($storage_definition)) {
$storage_definitions[$field_name] = $storage_definition;
}
}
}
// Load field data.
$langcodes = array_keys($this->languageManager
->getLanguages(LanguageInterface::STATE_ALL));
foreach ($storage_definitions as $field_name => $storage_definition) {
$table = !$load_from_revision ? $table_mapping->getDedicatedDataTableName($storage_definition) : $table_mapping->getDedicatedRevisionTableName($storage_definition);
// Ensure that only values having valid languages are retrieved. Since we
// are loading values for multiple entities, we cannot limit the query to
// the available translations.
$results = $this->database
->select($table, 't')
->fields('t')
->condition(!$load_from_revision ? 'entity_id' : 'revision_id', $ids, 'IN')
->condition('deleted', 0)
->condition('langcode', $langcodes, 'IN')
->orderBy('delta')
->execute();
foreach ($results as $row) {
$bundle = $row->bundle;
$value_key = !$load_from_revision ? $row->entity_id : $row->revision_id;
// Field values in default language are stored with
// LanguageInterface::LANGCODE_DEFAULT as key.
$langcode = LanguageInterface::LANGCODE_DEFAULT;
if ($this->langcodeKey && isset($default_langcodes[$value_key]) && $row->langcode != $default_langcodes[$value_key]) {
$langcode = $row->langcode;
}
if (!isset($values[$value_key][$field_name][$langcode])) {
$values[$value_key][$field_name][$langcode] = [];
}
// Ensure that records for non-translatable fields having invalid
// languages are skipped.
if ($langcode == LanguageInterface::LANGCODE_DEFAULT || $definitions[$bundle][$field_name]->isTranslatable()) {
if ($storage_definition->getCardinality() == FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED || count($values[$value_key][$field_name][$langcode]) < $storage_definition->getCardinality()) {
$item = [];
// For each column declared by the field, populate the item from the
// prefixed database column.
foreach ($storage_definition->getColumns() as $column => $attributes) {
$column_name = $table_mapping->getFieldColumnName($storage_definition, $column);
// Unserialize the value if specified in the column schema.
$item[$column] = !empty($attributes['serialize']) ? unserialize($row->{$column_name}) : $row->{$column_name};
}
// Add the item to the field values for the entity.
$values[$value_key][$field_name][$langcode][] = $item;
}
}
}
}
}
/**
* 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 = []) {
$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 = $this->entityFieldManager
->getFieldDefinitions($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;
$columns = [
'entity_id',
'revision_id',
'bundle',
'delta',
'langcode',
];
foreach ($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 : [
$default_langcode,
];
foreach ($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 = [
'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.
$value = $item->{$column};
if (!empty($attributes['serialize'])) {
$value = serialize($value);
}
$record[$column_name] = SqlContentEntityStorageSchema::castValue($attributes, $value);
}
$query->values($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();
}
}
}
}
/**
* Deletes values of fields in dedicated tables for all revisions.
*
* @param \Drupal\Core\Entity\ContentEntityInterface $entity
* The entity.
*/
protected function deleteFromDedicatedTables(ContentEntityInterface $entity) {
$table_mapping = $this->getTableMapping();
foreach ($this->fieldStorageDefinitions as $storage_definition) {
if (!$table_mapping->requiresDedicatedTableStorage($storage_definition)) {
continue;
}
$table_name = $table_mapping->getDedicatedDataTableName($storage_definition);
$revision_name = $table_mapping->getDedicatedRevisionTableName($storage_definition);
$this->database
->delete($table_name)
->condition('entity_id', $entity->id())
->execute();
if ($this->entityType
->isRevisionable()) {
$this->database
->delete($revision_name)
->condition('entity_id', $entity->id())
->execute();
}
}
}
/**
* Deletes values of fields in dedicated tables for all revisions.
*
* @param \Drupal\Core\Entity\ContentEntityInterface $entity
* The entity. It must have a revision ID.
*/
protected function deleteRevisionFromDedicatedTables(ContentEntityInterface $entity) {
$vid = $entity->getRevisionId();
if (isset($vid)) {
$table_mapping = $this->getTableMapping();
foreach ($this->fieldStorageDefinitions as $storage_definition) {
if (!$table_mapping->requiresDedicatedTableStorage($storage_definition)) {
continue;
}
$revision_name = $table_mapping->getDedicatedRevisionTableName($storage_definition);
$this->database
->delete($revision_name)
->condition('entity_id', $entity->id())
->condition('revision_id', $vid)
->execute();
}
}
}
/**
* {@inheritdoc}
*/
public function requiresEntityStorageSchemaChanges(EntityTypeInterface $entity_type, EntityTypeInterface $original) {
return $this->getStorageSchema()
->requiresEntityStorageSchemaChanges($entity_type, $original);
}
/**
* {@inheritdoc}
*/
public function requiresFieldStorageSchemaChanges(FieldStorageDefinitionInterface $storage_definition, FieldStorageDefinitionInterface $original) {
return $this->getStorageSchema()
->requiresFieldStorageSchemaChanges($storage_definition, $original);
}
/**
* {@inheritdoc}
*/
public function requiresEntityDataMigration(EntityTypeInterface $entity_type, EntityTypeInterface $original) {
return $this->getStorageSchema()
->requiresEntityDataMigration($entity_type, $original);
}
/**
* {@inheritdoc}
*/
public function requiresFieldDataMigration(FieldStorageDefinitionInterface $storage_definition, FieldStorageDefinitionInterface $original) {
return $this->getStorageSchema()
->requiresFieldDataMigration($storage_definition, $original);
}
/**
* {@inheritdoc}
*/
public function onEntityTypeCreate(EntityTypeInterface $entity_type) {
$this->wrapSchemaException(function () use ($entity_type) {
$this->getStorageSchema()
->onEntityTypeCreate($entity_type);
});
}
/**
* {@inheritdoc}
*/
public function onEntityTypeUpdate(EntityTypeInterface $entity_type, EntityTypeInterface $original) {
// Ensure we have an updated entity type definition.
$this->entityType = $entity_type;
// The table layout may have changed depending on the new entity type
// definition.
$this->initTableLayout();
// Let the schema handler adapt to possible table layout changes.
$this->wrapSchemaException(function () use ($entity_type, $original) {
$this->getStorageSchema()
->onEntityTypeUpdate($entity_type, $original);
});
}
/**
* {@inheritdoc}
*/
public function onEntityTypeDelete(EntityTypeInterface $entity_type) {
$this->wrapSchemaException(function () use ($entity_type) {
$this->getStorageSchema()
->onEntityTypeDelete($entity_type);
});
}
/**
* {@inheritdoc}
*/
public function onFieldableEntityTypeCreate(EntityTypeInterface $entity_type, array $field_storage_definitions) {
$this->wrapSchemaException(function () use ($entity_type, $field_storage_definitions) {
$this->getStorageSchema()
->onFieldableEntityTypeCreate($entity_type, $field_storage_definitions);
});
}
/**
* {@inheritdoc}
*/
public function onFieldableEntityTypeUpdate(EntityTypeInterface $entity_type, EntityTypeInterface $original, array $field_storage_definitions, array $original_field_storage_definitions, array &$sandbox = NULL) {
$this->wrapSchemaException(function () use ($entity_type, $original, $field_storage_definitions, $original_field_storage_definitions, &$sandbox) {
$this->getStorageSchema()
->onFieldableEntityTypeUpdate($entity_type, $original, $field_storage_definitions, $original_field_storage_definitions, $sandbox);
});
}
/**
* {@inheritdoc}
*/
public function onFieldStorageDefinitionCreate(FieldStorageDefinitionInterface $storage_definition) {
$this->wrapSchemaException(function () use ($storage_definition) {
$this->getStorageSchema()
->onFieldStorageDefinitionCreate($storage_definition);
$this->fieldStorageDefinitions[$storage_definition->getName()] = $storage_definition;
$this->tableMapping = NULL;
});
}
/**
* {@inheritdoc}
*/
public function onFieldStorageDefinitionUpdate(FieldStorageDefinitionInterface $storage_definition, FieldStorageDefinitionInterface $original) {
$this->wrapSchemaException(function () use ($storage_definition, $original) {
$this->getStorageSchema()
->onFieldStorageDefinitionUpdate($storage_definition, $original);
$this->fieldStorageDefinitions[$storage_definition->getName()] = $storage_definition;
$this->tableMapping = NULL;
});
}
/**
* {@inheritdoc}
*/
public function onFieldStorageDefinitionDelete(FieldStorageDefinitionInterface $storage_definition) {
$table_mapping = $this->getTableMapping();
if ($table_mapping->requiresDedicatedTableStorage($storage_definition)) {
// Mark all data associated with the field for deletion.
$table = $table_mapping->getDedicatedDataTableName($storage_definition);
$revision_table = $table_mapping->getDedicatedRevisionTableName($storage_definition);
$this->database
->update($table)
->fields([
'deleted' => 1,
])
->execute();
if ($this->entityType
->isRevisionable()) {
$this->database
->update($revision_table)
->fields([
'deleted' => 1,
])
->execute();
}
}
// Update the field schema.
$this->wrapSchemaException(function () use ($storage_definition) {
$this->getStorageSchema()
->onFieldStorageDefinitionDelete($storage_definition);
unset($this->fieldStorageDefinitions[$storage_definition->getName()]);
$this->tableMapping = NULL;
});
}
/**
* Wraps a database schema exception into an entity storage exception.
*
* @param callable $callback
* The callback to be executed.
*
* @throws \Drupal\Core\Entity\EntityStorageException
* When a database schema exception is thrown.
*/
protected function wrapSchemaException(callable $callback) {
$message = 'Exception thrown while performing a schema update.';
try {
$callback();
} catch (SchemaException $e) {
$message .= ' ' . $e->getMessage();
throw new EntityStorageException($message, 0, $e);
} catch (DatabaseExceptionWrapper $e) {
$message .= ' ' . $e->getMessage();
throw new EntityStorageException($message, 0, $e);
}
}
/**
* {@inheritdoc}
*/
public function onFieldDefinitionDelete(FieldDefinitionInterface $field_definition) {
$table_mapping = $this->getTableMapping();
$storage_definition = $field_definition->getFieldStorageDefinition();
// Mark field data as deleted.
if ($table_mapping->requiresDedicatedTableStorage($storage_definition)) {
$table_name = $table_mapping->getDedicatedDataTableName($storage_definition);
$revision_name = $table_mapping->getDedicatedRevisionTableName($storage_definition);
$this->database
->update($table_name)
->fields([
'deleted' => 1,
])
->condition('bundle', $field_definition->getTargetBundle())
->execute();
if ($this->entityType
->isRevisionable()) {
$this->database
->update($revision_name)
->fields([
'deleted' => 1,
])
->condition('bundle', $field_definition->getTargetBundle())
->execute();
}
}
}
/**
* {@inheritdoc}
*/
public function onBundleCreate($bundle, $entity_type_id) {
}
/**
* {@inheritdoc}
*/
public function onBundleDelete($bundle, $entity_type_id) {
}
/**
* {@inheritdoc}
*/
protected function readFieldItemsToPurge(FieldDefinitionInterface $field_definition, $batch_size) {
// Check whether the whole field storage definition is gone, or just some
// bundle fields.
$storage_definition = $field_definition->getFieldStorageDefinition();
$table_mapping = $this->getTableMapping();
$table_name = $table_mapping->getDedicatedDataTableName($storage_definition, $storage_definition->isDeleted());
// Get the entities which we want to purge first.
$entity_query = $this->database
->select($table_name, 't', [
'fetch' => \PDO::FETCH_ASSOC,
]);
$or = $entity_query->orConditionGroup();
foreach ($storage_definition->getColumns() as $column_name => $data) {
$or->isNotNull($table_mapping->getFieldColumnName($storage_definition, $column_name));
}
$entity_query->distinct(TRUE)
->fields('t', [
'entity_id',
])
->condition('bundle', $field_definition->getTargetBundle())
->range(0, $batch_size);
// Create a map of field data table column names to field column names.
$column_map = [];
foreach ($storage_definition->getColumns() as $column_name => $data) {
$column_map[$table_mapping->getFieldColumnName($storage_definition, $column_name)] = $column_name;
}
$entities = [];
$items_by_entity = [];
foreach ($entity_query->execute() as $row) {
$item_query = $this->database
->select($table_name, 't', [
'fetch' => \PDO::FETCH_ASSOC,
])
->fields('t')
->condition('entity_id', $row['entity_id'])
->condition('deleted', 1)
->orderBy('delta');
foreach ($item_query->execute() as $item_row) {
if (!isset($entities[$item_row['revision_id']])) {
// Create entity with the right revision id and entity id combination.
$item_row['entity_type'] = $this->entityTypeId;
// @todo: Replace this by an entity object created via an entity
// factory, see https://www.drupal.org/node/1867228.
$entities[$item_row['revision_id']] = _field_create_entity_from_ids((object) $item_row);
}
$item = [];
foreach ($column_map as $db_column => $field_column) {
$item[$field_column] = $item_row[$db_column];
}
$items_by_entity[$item_row['revision_id']][] = $item;
}
}
// Create field item objects and return.
foreach ($items_by_entity as $revision_id => $values) {
$entity_adapter = $entities[$revision_id]->getTypedData();
$items_by_entity[$revision_id] = \Drupal::typedDataManager()->create($field_definition, $values, $field_definition->getName(), $entity_adapter);
}
return $items_by_entity;
}
/**
* {@inheritdoc}
*/
protected function purgeFieldItems(ContentEntityInterface $entity, FieldDefinitionInterface $field_definition) {
$storage_definition = $field_definition->getFieldStorageDefinition();
$is_deleted = $storage_definition->isDeleted();
$table_mapping = $this->getTableMapping();
$table_name = $table_mapping->getDedicatedDataTableName($storage_definition, $is_deleted);
$revision_name = $table_mapping->getDedicatedRevisionTableName($storage_definition, $is_deleted);
$revision_id = $this->entityType
->isRevisionable() ? $entity->getRevisionId() : $entity->id();
$this->database
->delete($table_name)
->condition('revision_id', $revision_id)
->condition('deleted', 1)
->execute();
if ($this->entityType
->isRevisionable()) {
$this->database
->delete($revision_name)
->condition('revision_id', $revision_id)
->condition('deleted', 1)
->execute();
}
}
/**
* {@inheritdoc}
*/
public function finalizePurge(FieldStorageDefinitionInterface $storage_definition) {
$this->getStorageSchema()
->finalizePurge($storage_definition);
}
/**
* {@inheritdoc}
*/
public function countFieldData($storage_definition, $as_bool = FALSE) {
// Ensure that the table mapping is instantiated with the passed-in field
// storage definition.
$storage_definitions = $this->fieldStorageDefinitions;
$storage_definitions[$storage_definition->getName()] = $storage_definition;
$table_mapping = $this->getTableMapping($storage_definitions);
if ($table_mapping->requiresDedicatedTableStorage($storage_definition)) {
$is_deleted = $storage_definition->isDeleted();
if ($this->entityType
->isRevisionable()) {
$table_name = $table_mapping->getDedicatedRevisionTableName($storage_definition, $is_deleted);
}
else {
$table_name = $table_mapping->getDedicatedDataTableName($storage_definition, $is_deleted);
}
$query = $this->database
->select($table_name, 't');
$or = $query->orConditionGroup();
foreach ($storage_definition->getColumns() as $column_name => $data) {
$or->isNotNull($table_mapping->getFieldColumnName($storage_definition, $column_name));
}
$query->condition($or);
if (!$as_bool) {
$query->fields('t', [
'entity_id',
])
->distinct(TRUE);
}
}
elseif ($table_mapping->allowsSharedTableStorage($storage_definition)) {
// Ascertain the table this field is mapped too.
$field_name = $storage_definition->getName();
$table_name = $table_mapping->getFieldTableName($field_name);
$query = $this->database
->select($table_name, 't');
$or = $query->orConditionGroup();
foreach (array_keys($storage_definition->getColumns()) as $property_name) {
$or->isNotNull($table_mapping->getFieldColumnName($storage_definition, $property_name));
}
$query->condition($or);
if (!$as_bool) {
$query->fields('t', [
$this->idKey,
])
->distinct(TRUE);
}
}
// @todo Find a way to count field data also for fields having custom
// storage. See https://www.drupal.org/node/2337753.
$count = 0;
if (isset($query)) {
// If we are performing the query just to check if the field has data
// limit the number of rows.
if ($as_bool) {
$query->range(0, 1)
->addExpression('1');
}
else {
// Otherwise count the number of rows.
$query = $query->countQuery();
}
$count = $query->execute()
->fetchField();
}
return $as_bool ? (bool) $count : (int) $count;
}
}
Classes
Title | Deprecated | Summary |
---|---|---|
SqlContentEntityStorage | A content entity database storage implementation. |
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