public function DefaultTableMapping::getFieldColumnName

public DefaultTableMapping::getFieldColumnName(FieldStorageDefinitionInterface $storage_definition, $property_name)

Generates a column name for a field property.

Parameters

\Drupal\Core\Field\FieldStorageDefinitionInterface $storage_definition: The field storage definition.

string $property_name: The name of the property.

Return value

string A string containing a generated column name for a field data table that is unique among all other fields.

Overrides TableMappingInterface::getFieldColumnName

File

core/lib/Drupal/Core/Entity/Sql/DefaultTableMapping.php, line 200

Class

DefaultTableMapping

Defines a default table mapping class.

Namespace

Drupal\Core\Entity\Sql

Code

public function getFieldColumnName(FieldStorageDefinitionInterface $storage_definition, $property_name) {
  $field_name = $storage_definition->getName();

  if ($this->allowsSharedTableStorage($storage_definition)) {
    $column_name = count($storage_definition->getColumns()) == 1 ? $field_name : $field_name . '__' . $property_name;
  }
  elseif ($this->requiresDedicatedTableStorage($storage_definition)) {
    if ($property_name == TableMappingInterface::DELTA) {
      $column_name = 'delta';
    }
    else {
      $column_name = !in_array($property_name, $this->getReservedColumns()) ? $field_name . '_' . $property_name : $property_name;
    }
  }
  else {
    throw new SqlContentEntityStorageException("Column information not available for the '$field_name' field.");
  }

  return $column_name;
}