Surpassing MySQL's TIME value limit of 838:59:59

Question

The title might be a bit confusing so allow me to explain. I\'m using a table to record my work logs. Every day I\'ll create an entry stating from what time to what time I h

Answer 1

select  concat(truncate(sum(time_to_sec(TIMEDIFF(hora_fim, hora_ini)))/3600,0), ':', 
TIME_FORMAT(sec_to_time(sum(time_to_sec(TIMEDIFF(hora_fim, hora_ini))) - truncate(sum(time_to_sec(TIMEDIFF(hora_fim, hora_ini)))/3600,0)*3600), '%i:%s'))
as hms from  tb_XXXXXX