Nested Loop  (cost=3922897668.03..3923087998.19 rows=1886 width=8)
   ->  HashAggregate  (cost=3922897582.53..3922898627.03 rows=2089 width=8)
         Group Key: items.account_id
         ->  Gather  (cost=1627484538.01..3878204404.03 rows=89386357 width=8)
               Workers Planned: 6
               ->  Parallel Hash Join  (cost=1627483538.01..3869264768.33 rows=14897726 width=8)
                     Hash Cond: (group_details.group_number = items.system_id)
                     ->  Nested Loop  (cost=169.50..2229024487.68 rows=14897726 width=8)
                           ->  Parallel Append  (cost=28.00..50522308.69 rows=14900704 width=24)
                                 ->  Parallel Bitmap Heap Scan on item_interactions_p2019_10  (cost=3036876.93..37982793.93 rows=8060753 width=24)
                                       Recheck Cond: (published IS FALSE)
                                       Filter: (created_at >= '2019-10-06 00:00:00'::timestamp without time zone)
                                       ->  Bitmap Index Scan on item_interactions_p2019_10_published_idx  (cost=0.00..618651.08 rows=57181479 width=0)
                                 ->  Parallel Index Scan using item_interactions_p2019_11_published_idx on item_interactions_p2019_11  (cost=113.00..8813972.26 rows=6839936 width=24)
                                       Filter: (created_at >= '2019-10-06 00:00:00'::timestamp without time zone)
                                 ->  Parallel Bitmap Heap Scan on item_interactions_p2019_12  (cost=28.00..73.30 rows=12 width=32)
                                       Recheck Cond: (published IS FALSE)
                                       Filter: (created_at >= '2019-10-06 00:00:00'::timestamp without time zone)
                                       ->  Bitmap Index Scan on item_interactions_p2019_12_published_idx  (cost=0.00..27.00 rows=60 width=0)
                                 ->  Parallel Bitmap Heap Scan on item_interactions_p2020_01  (cost=28.00..73.30 rows=12 width=32)
                                       Recheck Cond: (published IS FALSE)
                                       Filter: (created_at >= '2019-10-06 00:00:00'::timestamp without time zone)
                                       ->  Bitmap Index Scan on item_interactions_p2020_01_published_idx  (cost=0.00..27.00 rows=60 width=0)
                                 ->  Parallel Bitmap Heap Scan on item_interactions_p2020_02  (cost=28.00..73.30 rows=12 width=32)
                                       Recheck Cond: (published IS FALSE)
                                       Filter: (created_at >= '2019-10-06 00:00:00'::timestamp without time zone)
                                       ->  Bitmap Index Scan on item_interactions_p2020_02_published_idx  (cost=0.00..27.00 rows=60 width=0)
                                 ->  Parallel Bitmap Heap Scan on item_interactions_p2020_03  (cost=28.00..73.30 rows=12 width=32)
                                       Recheck Cond: (published IS FALSE)
                                       Filter: (created_at >= '2019-10-06 00:00:00'::timestamp without time zone)
                                       ->  Bitmap Index Scan on item_interactions_p2020_03_published_idx  (cost=0.00..27.00 rows=60 width=0)
                                 ->  Parallel Bitmap Heap Scan on item_interactions_default  (cost=28.00..73.30 rows=12 width=32)
                                       Recheck Cond: (published IS FALSE)
                                       Filter: (created_at >= '2019-10-06 00:00:00'::timestamp without time zone)
                                       ->  Bitmap Index Scan on item_interactions_default_published_idx  (cost=0.00..27.00 rows=60 width=0)
                           ->  Index Scan using index_item_tracking_details_on_reference_number on item_tracking_details group_details  (cost=141.50..145.70 rows=1 width=31)
                                 Index Cond: ((reference_number)::text = (item_interactions_p2019_10.reference_id)::text)
                                 Filter: (rejected IS FALSE)
                     ->  Parallel Hash  (cost=635688871.50..635688871.50 rows=986975281 width=16)
                           ->  Parallel Seq Scan on items  (cost=0.00..635688871.50 rows=986975281 width=16)
   ->  Index Scan using accounts_pkey on accounts  (cost=85.50..90.66 rows=1 width=8)
         Index Cond: (id = items.account_id)
         Filter: (account_type = 'type_1'::account_type_enum)