QUERY PLAN
Seq Scan on tbl_task_group_head_of_relationships (cost=0.00..9.72 rows=2 width=12)
Filter: ((user_id = 1001) AND (task_group_id = ANY ('{61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42}'::integer[])))