original_string: protected function _renderOrder($sql)
      {
          if ($this->_parts[self::ORDER]) {
              $order = array();
              foreach ($this->_parts[self::ORDER] as $term) {
                  if (is_array($term)) {
                      if(is_numeric($term[0]) && strval(intval($term[0])) == $term[0]) {
                          $order[] = (int)trim($term[0]) . ' ' . $term[1];
                      } else {
                          $order[] = $this->_adapter->quoteIdentifier($term[0], true) . ' ' . $term[1];
                      }
                  } else if (is_numeric($term) && strval(intval($term)) == $term) {
                      $order[] = (int)trim($term);
                  } else {
                      $order[] = $this->_adapter->quoteIdentifier($term, true);
                  }
              }
              $sql .= ' ' . self::SQL_ORDER_BY . ' ' . implode(', ', $order);
          }
  
          return $sql;
      }
code: protected function _renderOrder($sql)
      {
          if ($this->_parts[self::ORDER]) {
              $order = array();
              foreach ($this->_parts[self::ORDER] as $term) {
                  if (is_array($term)) {
                      if(is_numeric($term[0]) && strval(intval($term[0])) == $term[0]) {
                          $order[] = (int)trim($term[0]) . ' ' . $term[1];
                      } else {
                          $order[] = $this->_adapter->quoteIdentifier($term[0], true) . ' ' . $term[1];
                      }
                  } else if (is_numeric($term) && strval(intval($term)) == $term) {
                      $order[] = (int)trim($term);
                  } else {
                      $order[] = $this->_adapter->quoteIdentifier($term, true);
                  }
              }
              $sql .= ' ' . self::SQL_ORDER_BY . ' ' . implode(', ', $order);
          }
  
          return $sql;
      }
code_tokens: protected function _renderOrder ( $ sql ) { if ( $ this -> _parts [ self :: ORDER ] ) { $ order = array ( ) ; foreach ( $ this -> _parts [ self :: ORDER ] as $ term ) { if ( is_array ( $ term ) ) { if ( is_numeric ( $ term [ 0 ] ) && strval ( intval ( $ term [ 0 ] ) ) == $ term [ 0 ] ) { $ order [ ] = ( int ) trim ( $ term [ 0 ] ) . ' ' . $ term [ 1 ] ; } else { $ order [ ] = $ this -> _adapter -> quoteIdentifier ( $ term [ 0 ] , true ) . ' ' . $ term [ 1 ] ; } } else if ( is_numeric ( $ term ) && strval ( intval ( $ term ) ) == $ term ) { $ order [ ] = ( int ) trim ( $ term ) ; } else { $ order [ ] = $ this -> _adapter -> quoteIdentifier ( $ term , true ) ; } } $ sql .= ' ' . self :: SQL_ORDER_BY . ' ' . implode ( ', ' , $ order ) ; } return $ sql ; }
docstring: Render ORDER clause
  
  @param string   $sql SQL query
  @return string
docstring_tokens: Render ORDER clause