QUERY PLAN
HashAggregate (cost=384.29..384.76 rows=47 width=12)
Group Key: operation_task_id
-> Seq Scan on tbl_operation_task_contacts (cost=0.00..382.64 rows=331 width=4)
Filter: (has_follow AND (operation_task_id = ANY ('{129,128,127,126,125,124,123,122,121,120,119,117,116,115,114,81,80,79,78,77}'::integer[])))