selectDb() public method

selects given database
public selectDb ( string $dbname, resource $link ) : boolean
$dbname string database name to select
$link resource connection object
return boolean
 /**
  * selects given database
  *
  * @param string $dbname database name to select
  * @param object $link   connection object
  *
  * @return boolean
  */
 public function selectDb($dbname, $link = null)
 {
     $link = $this->getLink($link);
     if ($link === false) {
         return false;
     }
     return $this->_extension->selectDb($dbname, $link);
 }