original_string: public function rollBack() {
          return $this->inTransaction ? ($this->in = $this->doRollBack($this->name)) : false;
      }
code: public function rollBack() {
          return $this->inTransaction ? ($this->in = $this->doRollBack($this->name)) : false;
      }
code_tokens: public function rollBack ( ) { return $ this -> inTransaction ? ( $ this -> in = $ this -> doRollBack ( $ this -> name ) ) : false ; }
docstring: Rolls back changes
  @return boolean Rollback success
  @throws DBException
docstring_tokens: Rolls back changes