SELECT CASE t.type WHEN 1 THEN "项目" WHEN 2 THEN "商机" WHEN 5 THEN "外部商务" WHEN 6 THEN "内部培训、技术准备、管理" WHEN 7 THEN "其他非项目/商机工作" END AS type,p.dept_id AS dept_id,
t.project_id AS project_id,MIN(t.work_day) AS first_time,MAX(t.work_day) AS last_time,ROUND(SUM(t.work_time)/8,2) AS
total_time,ROUND((SUM(t.work_time))/8*10,2) AS cost,dept_name AS dept_name,project_name
FROM work_time_order t LEFT JOIN work_project p ON t.project_id=p.id LEFT JOIN work_dept d ON p.dept_id=d.id