/**
* Returns an associative array containing all the unique constraints on a table.
*
* The array has the following format:
*
* <pre>
* array(
* 'key_name' => array(
* sequence_in_index => 'column_name'
* )
* )
* </pre>
*
* @param string $tableName
* @return array
*/
public function listUniqueConstraints($tableName)
{
return $this->driver->listUniqueConstraints($tableName);
}
