function DefaultTableMapping::getColumnNames

File

core/lib/Drupal/Core/Entity/Sql/DefaultTableMapping.php, line 410

Class

DefaultTableMapping

Defines a default table mapping class.

Namespace

Code

public function getColumnNames($field_name) {
  if (!isset($this->columnMapping[$field_name])) {
    $this->columnMapping[$field_name] = [];
    if (isset($this->fieldStorageDefinitions[$field_name]) && !$this->fieldStorageDefinitions[$field_name]
      ->hasCustomStorage()) {
      foreach (array_keys($this->fieldStorageDefinitions[$field_name]
        ->getColumns()) as $property_name) {
        $this->columnMapping[$field_name][$property_name] = $this->getFieldColumnName($this->fieldStorageDefinitions[$field_name], $property_name);
      }
    }
  }
  return $this->columnMapping[$field_name];
}