SELECT
    tk.*,
    task_description AS task_description_clean,
    task_title AS task_title_clean,

    IFNULL(IF(MIN(tt.end_time)!='0000-00-00 00:00:00','N',MAX(tt.start_time)),'N') AS timer_started,
    MAX(tt.time_id) AS time_id,
   

    ROUND(tk.fee*IFNULL(SUM(TIME_TO_SEC(TIMEDIFF(IF(tt.end_time='0000-00-00 00:00:00',now(),tt.end_time), tt.start_time)))/3600 ,0),2) AS total_fee,
    SUM(TIME_TO_SEC(TIMEDIFF(IF(tt.end_time='0000-00-00 00:00:00',now(),tt.end_time), tt.start_time)))/3600 AS total_time
        
FROM
    tasks AS tk
   
    LEFT JOIN time_tracker AS tt ON  tt.element_id = tk.task_id
                                 AND tt.element_type = 2
                                 AND tt.general_time_flag = 0
                                 AND tt.user_id = '##user_id##'
                                 
  
  
                                 
                                 
    
                                 
   

WHERE

    tk.project_id = '##project_id##'

GROUP BY tk.task_id 
##LIMIT##