QUERY PLAN
GroupAggregate (cost=0.28..38.91 rows=1 width=20)
Group Key: project_id
-> Index Scan using tbl_work_logs_arrive_project_end_at_idx on tbl_work_logs (cost=0.28..38.88 rows=1 width=24)
Index Cond: (project_id = ANY ('{4056,4048,3684,3822,3446,4003,4073,3945,3834,4031}'::integer[]))