QUERY PLAN
Seq Scan on tbl_task_group_head_of_relationships (cost=0.00..15.88 rows=46 width=12)
Filter: ((user_id = 1000) AND (task_group_id = ANY ('{203,139,106,96,94,90,89,88,87,85,84,83,80,79,78,76,75,74,73,72}'::integer[])))