/**
* {@inheritdoc}
*/
public function addField($field, $type, $langcode)
{
$entity_type_id = $this->sqlQuery->getMetaData('entity_type');
$age = $this->sqlQuery->getMetaData('age');
// This variable ensures grouping works correctly. For example:
// ->condition('tags', 2, '>')
// ->condition('tags', 20, '<')
// ->condition('node_reference.nid.entity.tags', 2)
// The first two should use the same table but the last one needs to be a
// new table. So for the first two, the table array index will be 'tags'
// while the third will be 'node_reference.nid.tags'.
$index_prefix = '';
$specifiers = explode('.', $field);
$base_table = 'base_table';
$count = count($specifiers) - 1;
// This will contain the definitions of the last specifier seen by the
// system.
$propertyDefinitions = array();
$entity_type = $this->entityManager->getDefinition($entity_type_id);
$field_storage_definitions = array();
// @todo Needed for menu links, make this implementation content entity
// specific after https://drupal.org/node/2256521.
if ($entity_type instanceof ContentEntityTypeInterface) {
$field_storage_definitions = $this->entityManager->getFieldStorageDefinitions($entity_type_id);
}
for ($key = 0; $key <= $count; $key++) {
// If there is revision support and only the current revision is being
// queried then use the revision id. Otherwise, the entity id will do.
if (($revision_key = $entity_type->getKey('revision')) && $age == EntityStorageInterface::FIELD_LOAD_CURRENT) {
// This contains the relevant SQL field to be used when joining entity
// tables.
$entity_id_field = $revision_key;
// This contains the relevant SQL field to be used when joining field
// tables.
$field_id_field = 'revision_id';
} else {
$entity_id_field = $entity_type->getKey('id');
$field_id_field = 'entity_id';
}
// This can either be the name of an entity base field or a configurable
// field.
$specifier = $specifiers[$key];
if (isset($field_storage_definitions[$specifier])) {
$field_storage = $field_storage_definitions[$specifier];
} else {
$field_storage = FALSE;
}
// If we managed to retrieve a configurable field, process it.
if ($field_storage instanceof FieldStorageConfigInterface) {
// Find the field column.
$column = $field_storage->getMainPropertyName();
if ($key < $count) {
$next = $specifiers[$key + 1];
// Is this a field column?
$columns = $field_storage->getColumns();
if (isset($columns[$next]) || in_array($next, FieldStorageConfig::getReservedColumns())) {
// Use it.
$column = $next;
// Do not process it again.
$key++;
}
// If there are more specifiers, the next one must be a
// relationship. Either the field name followed by a relationship
// specifier, for example $node->field_image->entity. Or a field
// column followed by a relationship specifier, for example
// $node->field_image->fid->entity. In both cases, prepare the
// property definitions for the relationship. In the first case,
// also use the property definitions for column.
if ($key < $count) {
$relationship_specifier = $specifiers[$key + 1];
$propertyDefinitions = $field_storage->getPropertyDefinitions();
// Prepare the next index prefix.
$next_index_prefix = "{$relationship_specifier}.{$column}";
}
}
$table = $this->ensureFieldTable($index_prefix, $field_storage, $type, $langcode, $base_table, $entity_id_field, $field_id_field);
$sql_column = ContentEntityDatabaseStorage::_fieldColumnName($field_storage, $column);
} else {
// ensureEntityTable() decides whether an entity property will be
// queried from the data table or the base table based on where it
// finds the property first. The data table is preferred, which is why
// it gets added before the base table.
$entity_tables = array();
if ($data_table = $entity_type->getDataTable()) {
$this->sqlQuery->addMetaData('simple_query', FALSE);
$entity_tables[$data_table] = $this->getTableMapping($data_table, $entity_type_id);
}
$entity_base_table = $entity_type->getBaseTable();
$entity_tables[$entity_base_table] = $this->getTableMapping($entity_base_table, $entity_type_id);
$sql_column = $specifier;
$table = $this->ensureEntityTable($index_prefix, $specifier, $type, $langcode, $base_table, $entity_id_field, $entity_tables);
}
// If there are more specifiers to come, it's a relationship.
if ($field_storage && $key < $count) {
// Computed fields have prepared their property definition already, do
// it for properties as well.
if (!$propertyDefinitions) {
$propertyDefinitions = $field_storage->getPropertyDefinitions();
$relationship_specifier = $specifiers[$key + 1];
$next_index_prefix = $relationship_specifier;
}
// Check for a valid relationship.
if (isset($propertyDefinitions[$relationship_specifier]) && $field_storage->getPropertyDefinition('entity')->getDataType() == 'entity_reference') {
// If it is, use the entity type.
$entity_type_id = $propertyDefinitions[$relationship_specifier]->getTargetDefinition()->getEntityTypeId();
$entity_type = $this->entityManager->getDefinition($entity_type_id);
$field_storage_definitions = $this->entityManager->getFieldStorageDefinitions($entity_type_id);
// Add the new entity base table using the table and sql column.
$join_condition = '%alias.' . $entity_type->getKey('id') . " = {$table}.{$sql_column}";
$base_table = $this->sqlQuery->leftJoin($entity_type->getBaseTable(), NULL, $join_condition);
$propertyDefinitions = array();
$key++;
$index_prefix .= "{$next_index_prefix}.";
} else {
throw new QueryException(format_string('Invalid specifier @next.', array('@next' => $relationship_specifier)));
}
}
}
return "{$table}.{$sql_column}";
}
/**
* Called to determine what to tell the clicksorter.
*/
public function clickSort($order)
{
// No column selected, can't continue.
if (empty($this->options['click_sort_column'])) {
return;
}
$this->ensureMyTable();
$field_storage_definitions = $this->entityManager->getFieldStorageDefinitions($this->definition['entity_type']);
$field_storage = $field_storage_definitions[$this->definition['field_name']];
$column = ContentEntityDatabaseStorage::_fieldColumnName($field_storage, $this->options['click_sort_column']);
if (!isset($this->aliases[$column])) {
// Column is not in query; add a sort on it (without adding the column).
$this->aliases[$column] = $this->tableAlias . '.' . $column;
}
$this->query->addOrderBy(NULL, NULL, $order, $this->aliases[$column]);
}
/**
* Test foreign key support.
*/
function testFieldSqlStorageForeignKeys()
{
// Create a 'shape' field, with a configurable foreign key (see
// field_test_field_schema()).
$field_name = 'testfield';
$foreign_key_name = 'shape';
$field_storage = entity_create('field_storage_config', array('name' => $field_name, 'entity_type' => 'entity_test', 'type' => 'shape', 'settings' => array('foreign_key_name' => $foreign_key_name)));
$field_storage->save();
// Get the field schema.
$schema = $field_storage->getSchema();
// Retrieve the field definition and check that the foreign key is in place.
$this->assertEqual($schema['foreign keys'][$foreign_key_name]['table'], $foreign_key_name, 'Foreign key table name preserved through CRUD');
$this->assertEqual($schema['foreign keys'][$foreign_key_name]['columns'][$foreign_key_name], 'id', 'Foreign key column name preserved through CRUD');
// Update the field settings, it should update the foreign key definition too.
$foreign_key_name = 'color';
$field_storage->settings['foreign_key_name'] = $foreign_key_name;
$field_storage->save();
// Reload the field schema after the update.
$schema = $field_storage->getSchema();
// Retrieve the field definition and check that the foreign key is in place.
$field_storage = FieldStorageConfig::loadByName('entity_test', $field_name);
$this->assertEqual($schema['foreign keys'][$foreign_key_name]['table'], $foreign_key_name, 'Foreign key table name modified after update');
$this->assertEqual($schema['foreign keys'][$foreign_key_name]['columns'][$foreign_key_name], 'id', 'Foreign key column name modified after update');
// Verify the SQL schema.
$schemas = ContentEntityDatabaseStorage::_fieldSqlSchema($field_storage);
$schema = $schemas[ContentEntityDatabaseStorage::_fieldTableName($field_storage)];
$this->assertEqual(count($schema['foreign keys']), 1, 'There is 1 foreign key in the schema');
$foreign_key = reset($schema['foreign keys']);
$foreign_key_column = ContentEntityDatabaseStorage::_fieldColumnName($field_storage, $foreign_key_name);
$this->assertEqual($foreign_key['table'], $foreign_key_name, 'Foreign key table name preserved in the schema');
$this->assertEqual($foreign_key['columns'][$foreign_key_column], 'id', 'Foreign key column name preserved in the schema');
}
/**
* Verify that deleting an instance leaves the field data items in
* the database and that the appropriate Field API functions can
* operate on the deleted data and instance.
*
* This tests how EntityFieldQuery interacts with field instance deletion and
* could be moved to FieldCrudTestCase, but depends on this class's setUp().
*/
function testDeleteFieldInstance()
{
$bundle = reset($this->bundles);
$field_storage = reset($this->fieldStorages);
$field_name = $field_storage->name;
$factory = \Drupal::service('entity.query');
// There are 10 entities of this bundle.
$found = $factory->get('entity_test')->condition('type', $bundle)->execute();
$this->assertEqual(count($found), 10, 'Correct number of entities found before deleting');
// Delete the instance.
$instance = FieldInstanceConfig::loadByName($this->entity_type, $bundle, $field_storage->name);
$instance->delete();
// The instance still exists, deleted.
$instances = entity_load_multiple_by_properties('field_instance_config', array('field_storage_uuid' => $field_storage->uuid(), 'deleted' => TRUE, 'include_deleted' => TRUE));
$this->assertEqual(count($instances), 1, 'There is one deleted instance');
$instance = $instances[$instance->uuid()];
$this->assertEqual($instance->bundle, $bundle, 'The deleted instance is for the correct bundle');
// Check that the actual stored content did not change during delete.
$schema = ContentEntityDatabaseStorage::_fieldSqlSchema($field_storage);
$table = ContentEntityDatabaseStorage::_fieldTableName($field_storage);
$column = ContentEntityDatabaseStorage::_fieldColumnName($field_storage, 'value');
$result = db_select($table, 't')->fields('t', array_keys($schema[$table]['fields']))->execute();
foreach ($result as $row) {
$this->assertEqual($this->entities[$row->entity_id]->{$field_storage->name}->value, $row->{$column});
}
// There are 0 entities of this bundle with non-deleted data.
$found = $factory->get('entity_test')->condition('type', $bundle)->condition("{$field_name}.deleted", 0)->execute();
$this->assertFalse($found, 'No entities found after deleting');
// There are 10 entities of this bundle when deleted fields are allowed, and
// their values are correct.
$found = $factory->get('entity_test')->condition('type', $bundle)->condition("{$field_name}.deleted", 1)->sort('id')->execute();
$this->assertEqual(count($found), 10, 'Correct number of entities found after deleting');
$this->assertFalse(array_diff($found, array_keys($this->entities)));
}
