original_string: public function fetchOne($sql, $bind = array())
      {
          $stmt = $this->query($sql, $bind);
          $result = $stmt->fetchColumn(0);
          return $result;
      }
code: public function fetchOne($sql, $bind = array())
      {
          $stmt = $this->query($sql, $bind);
          $result = $stmt->fetchColumn(0);
          return $result;
      }
code_tokens: public function fetchOne ( $ sql , $ bind = array ( ) ) { $ stmt = $ this -> query ( $ sql , $ bind ) ; $ result = $ stmt -> fetchColumn ( 0 ) ; return $ result ; }
docstring: Fetches the first column of the first row of the SQL result.
  
  @param string|Zend_Db_Select $sql An SQL SELECT statement.
  @param mixed $bind Data to bind into SELECT placeholders.
  @return string
docstring_tokens: Fetches the first column of the first row of the SQL result .