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 ('{4002,4037,3992,3580,4095,4049,4041,4001,3994,3983}'::integer[]))