TemporaryTableMapping.php in Drupal 8
File
core/lib/Drupal/Core/Entity/Sql/TemporaryTableMapping.php
View source
<?php
namespace Drupal\Core\Entity\Sql;
use Drupal\Core\Field\FieldStorageDefinitionInterface;
@trigger_error(__NAMESPACE__ . '\\TemporaryTableMapping is deprecated in Drupal 8.7.x and will be removed before Drupal 9.0.0. Use the default table mapping with a prefix instead.', E_USER_DEPRECATED);
class TemporaryTableMapping extends DefaultTableMapping {
protected function generateFieldTableName(FieldStorageDefinitionInterface $storage_definition, $revision) {
return static::getTempTableName(parent::generateFieldTableName($storage_definition, $revision));
}
public static function getTempTableName($table_name, $prefix = 'tmp_') {
$tmp_table_name = $prefix . $table_name;
if (strlen($table_name) > 48) {
$short_table_name = substr($table_name, 0, 34);
$table_hash = substr(hash('sha256', $table_name), 0, 10);
$tmp_table_name = $prefix . $short_table_name . $table_hash;
}
return $tmp_table_name;
}
}