explain.depesz.com

PostgreSQL's explain analyze made readable

Result: oA93 : Optimization for: Optimization for: Optimization for: Optimization for: Optimization for: plan #DR4m; plan #jBti; plan #7py4; plan #l33D; plan #ANjs

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Optimization path:

Optimization(s) for this plan:

# exclusive inclusive rows x rows loops node
1. 4,022.072 20,046.572 ↓ 7.1 85,367 1

Merge Join (cost=3,464,329.68..3,668,499.76 rows=12,104 width=1,843) (actual time=15,918.25..20,046.572 rows=85,367 loops=1)

  • Buffers: shared hit=1,466,043 read=734,259 written=95
2. 89.022 9,981.098 ↓ 7.1 85,367 1

Sort (cost=1,763,060.9..1,763,091.16 rows=12,104 width=783) (actual time=9,960.077..9,981.098 rows=85,367 loops=1)

  • Sort Key: b.id
  • Sort Method: quicksort Memory: 26,879kB
  • Buffers: shared hit=470,662 read=355,331 written=95
3. 53.471 9,892.076 ↓ 7.1 85,367 1

Hash Join (cost=1,743,988.38..1,762,240.06 rows=12,104 width=783) (actual time=9,161.665..9,892.076 rows=85,367 loops=1)

  • Buffers: shared hit=470,662 read=355,331 written=95
4. 30.144 1,096.400 ↓ 7.1 85,367 1

Hash Join (cost=33,013.02..51,232.93 rows=12,104 width=775) (actual time=419.452..1,096.4 rows=85,367 loops=1)

  • Buffers: shared hit=362,024 read=4,896
5. 33.249 1,065.040 ↓ 7.1 85,367 1

Hash Join (cost=31,651.07..49,838.95 rows=12,104 width=755) (actual time=418.232..1,065.04 rows=85,367 loops=1)

  • Buffers: shared hit=360,674 read=4,896
6. 35.431 1,031.304 ↓ 7.1 85,367 1

Hash Join (cost=31,606.15..49,762.16 rows=12,104 width=744) (actual time=417.739..1,031.304 rows=85,367 loops=1)

  • Buffers: shared hit=360,660 read=4,896
7. 34.858 995.857 ↓ 7.1 85,367 1

Hash Join (cost=31,604.66..49,722.78 rows=12,104 width=232) (actual time=417.718..995.857 rows=85,367 loops=1)

  • Buffers: shared hit=360,659 read=4,896
8. 56.406 960.958 ↓ 7.1 85,367 1

Nested Loop (cost=31,601.74..49,687.67 rows=12,104 width=221) (actual time=417.665..960.958 rows=85,367 loops=1)

  • Buffers: shared hit=360,658 read=4,896
9. 176.968 648.451 ↓ 7.1 85,367 1

Hash Join (cost=31,601.32..43,300.04 rows=12,104 width=171) (actual time=417.643..648.451 rows=85,367 loops=1)

  • Buffers: shared hit=19,440 read=4,635
10. 54.776 54.776 ↓ 1.0 403,774 1

Seq Scan on checkout_batch_unity cbu (cost=0..8,671.37 rows=403,637 width=38) (actual time=0.029..54.776 rows=403,774 loops=1)

  • Buffers: shared read=4,635
11. 41.110 416.707 ↓ 7.1 85,367 1

Hash (cost=31,419.76..31,419.76 rows=12,104 width=145) (actual time=416.707..416.707 rows=85,367 loops=1)

  • Buffers: shared hit=19,440
12. 38.716 375.597 ↓ 7.1 85,367 1

Hash Join (cost=1,920.79..31,419.76 rows=12,104 width=145) (actual time=3.33..375.597 rows=85,367 loops=1)

  • Buffers: shared hit=19,440
13. 213.871 336.272 ↑ 2.2 85,367 1

Hash Join (cost=1,178.23..29,855.3 rows=186,889 width=110) (actual time=2.717..336.272 rows=85,367 loops=1)

  • Buffers: shared hit=18,822
14. 119.703 119.703 ↓ 1.0 865,855 1

Seq Scan on batchunity b (cost=0..26,403.14 rows=865,714 width=83) (actual time=0.005..119.703 rows=865,855 loops=1)

  • Buffers: shared hit=17,746
15. 0.335 2.698 ↑ 1.0 1,452 1

Hash (cost=1,160.08..1,160.08 rows=1,452 width=35) (actual time=2.698..2.698 rows=1,452 loops=1)

  • Buffers: shared hit=1,076
16. 2.363 2.363 ↑ 1.0 1,452 1

Seq Scan on batch bt (cost=0..1,160.08 rows=1,452 width=35) (actual time=0.06..2.363 rows=1,452 loops=1)

  • Filter: (bt.company_id = 501)
  • Buffers: shared hit=1,076
17. 0.029 0.609 ↓ 1.1 97 1

Hash (cost=741.45..741.45 rows=89 width=43) (actual time=0.609..0.609 rows=97 loops=1)

  • Buffers: shared hit=618
18. 0.108 0.580 ↓ 1.1 97 1

Nested Loop (cost=3.28..741.45 rows=89 width=43) (actual time=0.039..0.58 rows=97 loops=1)

  • Buffers: shared hit=618
19. 0.181 0.181 ↑ 1.0 97 1

Index Scan using subarea_pkey on subarea cs (cost=0.28..60.8 rows=97 width=19) (actual time=0.022..0.181 rows=97 loops=1)

  • Index Cond: (cs.id = ANY ('{1051,1201,801,851,800,2817,4110,4111,4112,11404,2805,11408,10538,14255,2802,2812,2706,6812,7380,7381,13154,10457,2853,2810,2813,2811,2814,2854,2705,4108,6250,10675,7385,2803,11796,11407,2820,4654,8503,9552,2818,13057,11405,11406,8569,2819,751,10674,13102,2816,2815,2807,2804,2806,10673,12802,12803,12804,12805,12815,12806,12807,12808,12809,12810,12811,12812,12816,12813,12814,1101,1301,901,1251,1151,1001,951,10352,10353,9804,2823,2808,2809,11797,2824,2822,4657,4109,3503,2825,1756,2821,10402,10403,11452,2752,7402}'::integer[]))
  • Buffers: shared hit=230
20. 0.194 0.291 ↑ 1.0 1 97

Bitmap Heap Scan on accountable acc (cost=3..7.02 rows=1 width=28) (actual time=0.003..0.003 rows=1 loops=97)

  • Filter: acc.active
  • Heap Blocks: exact=97
  • Buffers: shared hit=388
21. 0.097 0.097 ↑ 1.0 1 97

Bitmap Index Scan on accountable_pkey (cost=0..3 rows=1 width=0) (actual time=0.001..0.001 rows=1 loops=97)

  • Index Cond: (acc.id = cs.accountable_id)
  • Buffers: shared hit=291
22. 256.101 256.101 ↑ 1.0 1 85,367

Index Scan using batchunity_detail_pkey on batchunity_detail bd (cost=0.42..0.53 rows=1 width=54) (actual time=0.003..0.003 rows=1 loops=85,367)

  • Index Cond: (bd.batchunity_id = b.id)
  • Buffers: shared hit=341,218 read=261
23. 0.022 0.041 ↓ 1.2 100 1

Hash (cost=1.85..1.85 rows=85 width=19) (actual time=0.041..0.041 rows=100 loops=1)

  • Buffers: shared hit=1
24. 0.019 0.019 ↓ 1.2 100 1

Seq Scan on batchunitystatus bus (cost=0..1.85 rows=85 width=19) (actual time=0.006..0.019 rows=100 loops=1)

  • Buffers: shared hit=1
25. 0.007 0.016 ↓ 1.1 24 1

Hash (cost=1.22..1.22 rows=22 width=520) (actual time=0.016..0.016 rows=24 loops=1)

  • Buffers: shared hit=1
26. 0.009 0.009 ↓ 1.1 24 1

Seq Scan on batchunityeventtype buevt (cost=0..1.22 rows=22 width=520) (actual time=0.005..0.009 rows=24 loops=1)

  • Buffers: shared hit=1
27. 0.247 0.487 ↑ 1.0 1,336 1

Hash (cost=27.74..27.74 rows=1,374 width=19) (actual time=0.487..0.487 rows=1,336 loops=1)

  • Buffers: shared hit=14
28. 0.240 0.240 ↑ 1.0 1,336 1

Seq Scan on subarea cs_lastevent (cost=0..27.74 rows=1,374 width=19) (actual time=0.005..0.24 rows=1,336 loops=1)

  • Buffers: shared hit=14
29. 0.095 1.216 ↑ 1.0 511 1

Hash (cost=1,355.57..1,355.57 rows=511 width=28) (actual time=1.216..1.216 rows=511 loops=1)

  • Buffers: shared hit=1,350
30. 1.121 1.121 ↑ 1.0 511 1

Seq Scan on accountable acc_lastevent (cost=0..1,355.57 rows=511 width=28) (actual time=0.004..1.121 rows=511 loops=1)

  • Filter: acc_lastevent.active
  • Buffers: shared hit=1,350
31. 12.229 8,742.205 ↓ 327.1 65,425 1

Hash (cost=1,710,972.86..1,710,972.86 rows=200 width=12) (actual time=8,742.205..8,742.205 rows=65,425 loops=1)

  • Buffers: shared hit=108,638 read=350,435 written=95
32. 9.524 8,729.976 ↓ 327.1 65,425 1

Subquery Scan on event_collect (cost=1,710,968.86..1,710,972.86 rows=200 width=12) (actual time=8,703.641..8,729.976 rows=65,425 loops=1)

  • Buffers: shared hit=108,638 read=350,435 written=95
33. 1,755.864 8,720.452 ↓ 327.1 65,425 1

HashAggregate (cost=1,710,968.86..1,710,970.86 rows=200 width=12) (actual time=8,703.64..8,720.452 rows=65,425 loops=1)

  • Group Key: bh.batchunity_id
  • Buffers: shared hit=108,638 read=350,435 written=95
34. 511.168 6,964.588 ↓ 2.5 4,725,314 1

Append (cost=0..1,701,459.38 rows=1,901,895 width=12) (actual time=2.208..6,964.588 rows=4,725,314 loops=1)

  • Buffers: shared hit=108,638 read=350,435 written=95
35. 0.003 0.003 ↓ 0.0 0 1

Seq Scan on batchunityhistory_part bh (cost=0..0 rows=1 width=12) (actual time=0.003..0.003 rows=0 loops=1)

  • Filter: ((bh.eventtype_id = ANY ('{2,4}'::integer[])) AND (bh.subarea_id = 2,706))
36. 249.222 249.222 ↓ 1.7 209,041 1

Seq Scan on batchunityhistory_part_2017 bh_1 (cost=0..35,657.26 rows=120,979 width=12) (actual time=2.204..249.222 rows=209,041 loops=1)

  • Filter: ((bh_1.eventtype_id = ANY ('{2,4}'::integer[])) AND (bh_1.subarea_id = 2,706))
  • Buffers: shared hit=4,706 read=10,736
37. 1,289.856 1,633.992 ↓ 2.3 1,751,925 1

Bitmap Heap Scan on batchunityhistory_part_2018 bh_2 (cost=114,998.25..410,429.74 rows=746,551 width=12) (actual time=379.735..1,633.992 rows=1,751,925 loops=1)

  • Filter: (bh_2.subarea_id = 2,706)
  • Heap Blocks: exact=84,688
  • Buffers: shared hit=30,039 read=73,626
38. 344.136 344.136 ↓ 1.0 6,942,989 1

Bitmap Index Scan on history_part_2018_eventtype_id_idx (cost=0..114,811.61 rows=6,934,766 width=0) (actual time=344.136..344.136 rows=6,942,989 loops=1)

  • Index Cond: (bh_2.eventtype_id = ANY ('{2,4}'::integer[]))
  • Buffers: shared hit=2 read=18,975
39. 2,854.420 3,606.868 ↓ 2.4 1,830,486 1

Bitmap Heap Scan on batchunityhistory_part_2019 bh_3 (cost=242,028.83..937,993.49 rows=751,480 width=12) (actual time=814.12..3,606.868 rows=1,830,486 loops=1)

  • Filter: (bh_3.subarea_id = 2,706)
  • Heap Blocks: exact=217,453
  • Buffers: shared hit=18,223 read=239,061 written=95
40. 752.448 752.448 ↑ 1.0 14,574,857 1

Bitmap Index Scan on history_part_2019_eventtype_id_idx (cost=0..241,840.96 rows=14,578,644 width=0) (actual time=752.448..752.448 rows=14,574,857 loops=1)

  • Index Cond: (bh_3.eventtype_id = ANY ('{2,4}'::integer[]))
  • Buffers: shared hit=4 read=39,827
41. 732.911 963.335 ↓ 3.3 933,862 1

Bitmap Heap Scan on batchunityhistory_part_2020 bh_4 (cost=77,234.69..317,378.89 rows=282,884 width=12) (actual time=245.223..963.335 rows=933,862 loops=1)

  • Filter: (bh_4.subarea_id = 2,706)
  • Heap Blocks: exact=69,259
  • Buffers: shared hit=55,670 read=27,012
42. 230.424 230.424 ↓ 1.0 4,127,242 1

Bitmap Index Scan on history_part_2020_eventtype_id_idx (cost=0..77,163.97 rows=4,062,280 width=0) (actual time=230.424..230.424 rows=4,127,242 loops=1)

  • Index Cond: (bh_4.eventtype_id = ANY ('{2,4}'::integer[]))
  • Buffers: shared hit=2 read=13,421
43. 0.002 5,958.035 ↓ 0.0 0 1

GroupAggregate (cost=1,701,268.78..1,701,302.37 rows=200 width=12) (actual time=5,958.035..5,958.035 rows=0 loops=1)

  • Group Key: bh_5.batchunity_id
  • Buffers: shared hit=80,147 read=378,926
44. 0.013 5,958.033 ↓ 0.0 0 1

Sort (cost=1,701,268.78..1,701,279.31 rows=4,212 width=12) (actual time=5,958.033..5,958.033 rows=0 loops=1)

  • Sort Key: bh_5.batchunity_id
  • Sort Method: quicksort Memory: 25kB
  • Buffers: shared hit=80,147 read=378,926
45. 0.004 5,958.020 ↓ 0.0 0 1

Append (cost=0..1,701,015.21 rows=4,212 width=12) (actual time=5,958.02..5,958.02 rows=0 loops=1)

  • Buffers: shared hit=80,147 read=378,926
46. 0.006 0.006 ↓ 0.0 0 1

Seq Scan on batchunityhistory_part bh_5 (cost=0..0 rows=1 width=12) (actual time=0.006..0.006 rows=0 loops=1)

  • Filter: ((bh_5.eventtype_id = ANY ('{2,4}'::integer[])) AND (bh_5.subarea_id = 4,654))
47. 282.665 282.665 ↓ 0.0 0 1

Seq Scan on batchunityhistory_part_2017 bh_6 (cost=0..35,657.26 rows=5 width=12) (actual time=282.665..282.665 rows=0 loops=1)

  • Filter: ((bh_6.eventtype_id = ANY ('{2,4}'::integer[])) AND (bh_6.subarea_id = 4,654))
  • Buffers: shared hit=3,998 read=11,444
48. 1,098.716 1,439.513 ↓ 0.0 0 1

Bitmap Heap Scan on batchunityhistory_part_2018 bh_7 (cost=114,811.85..410,243.34 rows=933 width=12) (actual time=1,439.513..1,439.513 rows=0 loops=1)

  • Filter: (bh_7.subarea_id = 4,654)
  • Heap Blocks: exact=84,688
  • Buffers: shared hit=22,863 read=80,802
49. 340.797 340.797 ↓ 1.0 6,942,989 1

Bitmap Index Scan on history_part_2018_eventtype_id_idx (cost=0..114,811.61 rows=6,934,766 width=0) (actual time=340.797..340.797 rows=6,942,989 loops=1)

  • Index Cond: (bh_7.eventtype_id = ANY ('{2,4}'::integer[]))
  • Buffers: shared hit=2 read=18,975
50. 2,634.025 3,373.918 ↓ 0.0 0 1

Bitmap Heap Scan on batchunityhistory_part_2019 bh_8 (cost=241,841.56..937,806.22 rows=2,399 width=12) (actual time=3,373.918..3,373.918 rows=0 loops=1)

  • Filter: (bh_8.subarea_id = 4,654)
  • Heap Blocks: exact=217,453
  • Buffers: shared hit=4,046 read=253,238
51. 739.893 739.893 ↑ 1.0 14,574,857 1

Bitmap Index Scan on history_part_2019_eventtype_id_idx (cost=0..241,840.96 rows=14,578,644 width=0) (actual time=739.893..739.893 rows=14,574,857 loops=1)

  • Index Cond: (bh_8.eventtype_id = ANY ('{2,4}'::integer[]))
  • Buffers: shared hit=4 read=39,827
52. 644.475 861.914 ↓ 0.0 0 1

Bitmap Heap Scan on batchunityhistory_part_2020 bh_9 (cost=77,164.19..317,308.39 rows=874 width=12) (actual time=861.914..861.914 rows=0 loops=1)

  • Filter: (bh_9.subarea_id = 4,654)
  • Heap Blocks: exact=69,259
  • Buffers: shared hit=49,240 read=33,442
53. 217.439 217.439 ↓ 1.0 4,127,242 1

Bitmap Index Scan on history_part_2020_eventtype_id_idx (cost=0..77,163.97 rows=4,062,280 width=0) (actual time=217.439..217.439 rows=4,127,242 loops=1)

  • Index Cond: (bh_9.eventtype_id = ANY ('{2,4}'::integer[]))
  • Buffers: shared hit=2 read=13,421
54.          

SubPlan (for Merge Join)

55. 85.367 85.367 ↓ 0.0 0 85,367

Index Scan using employee_pk on employee e (cost=0.29..8.3 rows=1 width=27) (actual time=0.001..0.001 rows=0 loops=85,367)

  • Index Cond: (e.id = bd.possession_employee_id)
  • Buffers: shared hit=69,885 read=2
56. 0.000 0.000 ↓ 0.0 0 85,367

Index Scan using employee_pk on employee e_1 (cost=0.29..8.3 rows=1 width=27) (actual time=0..0 rows=0 loops=85,367)

  • Index Cond: (e_1.id = bd.dedicated_employee_id)
Planning time : 7.214 ms
Execution time : 20,055.521 ms