protected SqlContentEntityStorageSchema::getFieldSchemaIdentifierName($entity_type_id, $field_name, $key = NULL)
Generates a safe schema identifier (name of an index, column name etc.).
Parameters
string $entity_type_id: The ID of the entity type.
string $field_name: The name of the field.
string|null $key: (optional) A further key to append to the name.
Return value
string The field identifier name.
File
- core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchema.php, line 716
Class
- SqlContentEntityStorageSchema
- Defines a schema handler that supports revisionable, translatable entities.
Namespace
Drupal\Core\Entity\Sql
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 | protected function getFieldSchemaIdentifierName($entity_type_id, $field_name, $key = NULL) { $real_key = isset($key) ? "{$entity_type_id}_field__{$field_name}__{$key}" : "{$entity_type_id}_field__{$field_name}"; // Limit the string to 48 characters, keeping a 16 characters margin for db // prefixes. if (strlen($real_key) > 48) { // Use a shorter separator, a truncated entity_type, and a hash of the // field name. // Truncate to the same length for the current and revision tables. $entity_type = substr($entity_type_id, 0, 36); $field_hash = substr(hash('sha256', $real_key), 0, 10); $real_key = $entity_type . '__' . $field_hash; } return $real_key;} |
Please login to continue.