gistfile1.txt

        SETUP_NEW_TIPS_TO = """                                                                               
                                                                                                              
            INSERT INTO tips (ctime, tipper, tippee, amount)                                                  
                                                                                                              
                 SELECT DISTINCT ON (tipper)                                                                  
                        min(ctime), tipper, %s AS tippee, sum(amount)                                         
                   FROM tips                                                                                  
                  WHERE tippee=%s OR tippee=%s                                                                
               GROUP BY tipper, mtime                                                                         
               ORDER BY tipper, mtime DESC;                                                                   
                                                                                                              
        """