QUERY PLAN
HashAggregate (cost=386.72..387.19 rows=47 width=12)
Group Key: operation_task_id
-> Seq Scan on tbl_operation_task_contacts (cost=0.00..382.64 rows=816 width=4)
Filter: (((NOT is_complete) OR (is_complete IS NULL)) 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[])))