original_string: private function buildFrom()
      {
          if ($this->from instanceof From) {
              return $this->from->build();
          }
  
          $message = 'No from statement exists. You need to supply one to retrieve results.';
  
          throw new InvalidFromStatement($message);
      }
code: private function buildFrom()
      {
          if ($this->from instanceof From) {
              return $this->from->build();
          }
  
          $message = 'No from statement exists. You need to supply one to retrieve results.';
  
          throw new InvalidFromStatement($message);
      }
code_tokens: private function buildFrom ( ) { if ( $ this -> from instanceof From ) { return $ this -> from -> build ( ) ; } $ message = 'No from statement exists. You need to supply one to retrieve results.' ; throw new InvalidFromStatement ( $ message ) ; }
docstring: Builds the from statement on the current query.
  
  @return string
  
  @throws InvalidFromStatement
docstring_tokens: Builds the from statement on the current query .