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<?php | |
/** | |
* @file | |
* Contains \Drupal\comment\CommentStorageSchema. | |
*/ | |
namespace Drupal\comment; | |
use Drupal\Core\Entity\ContentEntityTypeInterface; | |
use Drupal\Core\Entity\Sql\SqlContentEntityStorageSchema; | |
use Drupal\Core\Field\FieldStorageDefinitionInterface; | |
/** | |
* Defines the comment schema handler. | |
*/ | |
class CommentStorageSchema extends SqlContentEntityStorageSchema { | |
/** | |
* {@inheritdoc} | |
*/ | |
protected function getEntitySchema(ContentEntityTypeInterface $entity_type, $reset = FALSE) { | |
$schema = parent::getEntitySchema($entity_type, $reset); | |
$schema['comment_field_data']['indexes'] += array( | |
'comment__status_pid' => array('pid', 'status'), | |
'comment__num_new' => array( | |
'entity_id', | |
'entity_type', | |
'comment_type', | |
'status', | |
'created', | |
'cid', | |
'thread', | |
), | |
'comment__entity_langcode' => array( | |
'entity_id', | |
'entity_type', | |
'comment_type', | |
'default_langcode', | |
), | |
); | |
return $schema; | |
} | |
/** | |
* {@inheritdoc} | |
*/ | |
protected function getSharedTableFieldSchema(FieldStorageDefinitionInterface $storage_definition, $table_name, array $column_mapping) { | |
$schema = parent::getSharedTableFieldSchema($storage_definition, $table_name, $column_mapping); | |
$field_name = $storage_definition->getName(); | |
if ($table_name == 'comment_field_data') { | |
// Remove unneeded indexes. | |
unset($schema['indexes']['comment_field__pid__target_id']); | |
unset($schema['indexes']['comment_field__entity_id__target_id']); | |
switch ($field_name) { | |
case 'thread': | |
// Improves the performance of the comment__num_new index defined | |
// in getEntitySchema(). | |
$schema['fields'][$field_name]['not null'] = TRUE; | |
break; | |
case 'created': | |
$this->addSharedTableFieldIndex($storage_definition, $schema, TRUE); | |
break; | |
case 'uid': | |
$this->addSharedTableFieldForeignKey($storage_definition, $schema, 'users', 'uid'); | |
} | |
} | |
return $schema; | |
} | |
} |