explain.depesz.com

PostgreSQL's explain analyze made readable

Result: kZEy

Settings
# exclusive inclusive rows x rows loops node
1. 62.856 39,385.541 ↓ 102.5 32,686 1

Hash Left Join (cost=2,305,578.71..2,363,902.10 rows=319 width=811) (actual time=38,523.496..39,385.541 rows=32,686 loops=1)

  • Hash Cond: (log.number_of_classes = number_of_classes.id)
2.          

CTE venue_records

3. 2,315.137 26,629.603 ↓ 1.0 3,000,571 1

WindowAgg (cost=1,378,986.84..1,443,447.36 rows=2,864,912 width=60) (actual time=23,379.275..26,629.603 rows=3,000,571 loops=1)

4. 4,385.362 24,314.466 ↓ 1.0 3,000,571 1

Sort (cost=1,378,986.84..1,386,149.12 rows=2,864,912 width=60) (actual time=23,379.268..24,314.466 rows=3,000,571 loops=1)

  • Sort Key: venue_1.venue_id, venue_source_type.priority, venue_parameters_log.created_on DESC
  • Sort Method: external sort Disk: 170128kB
5. 3,991.323 19,929.104 ↓ 1.0 3,000,571 1

WindowAgg (cost=686,551.84..856,292.17 rows=2,864,912 width=60) (actual time=8,581.670..19,929.104 rows=3,000,571 loops=1)

6. 2,639.777 15,937.781 ↓ 1.0 3,000,571 1

Merge Join (cost=686,551.84..806,156.21 rows=2,864,912 width=60) (actual time=8,581.629..15,937.781 rows=3,000,571 loops=1)

  • Merge Cond: (venue_1.venue_id = venue_parameters_log.venue_id)
7. 990.464 990.464 ↑ 1.0 1,453,566 1

Index Only Scan using venue_id_idx on venue venue_1 (cost=0.43..65,932.59 rows=1,457,639 width=4) (actual time=0.024..990.464 rows=1,453,566 loops=1)

  • Heap Fetches: 1441614
8. 1,620.473 12,307.540 ↓ 1.0 3,000,571 1

Materialize (cost=686,544.53..700,869.09 rows=2,864,912 width=56) (actual time=8,581.599..12,307.540 rows=3,000,571 loops=1)

9. 6,286.736 10,687.067 ↓ 1.0 3,000,571 1

Sort (cost=686,544.53..693,706.81 rows=2,864,912 width=56) (actual time=8,581.596..10,687.067 rows=3,000,571 loops=1)

  • Sort Key: venue_parameters_log.venue_id
  • Sort Method: external merge Disk: 134960kB
10. 2,513.336 4,400.331 ↓ 1.0 3,000,571 1

Hash Join (cost=14,978.21..183,435.87 rows=2,864,912 width=56) (actual time=23.151..4,400.331 rows=3,000,571 loops=1)

  • Hash Cond: (venue_parameters_log.venue_source_id = venue_source.venue_source_id)
11. 1,863.890 1,863.890 ↓ 1.0 3,000,571 1

Seq Scan on venue_parameters_log (cost=0.00..129,065.12 rows=2,864,912 width=24) (actual time=0.028..1,863.890 rows=3,000,571 loops=1)

12. 0.125 23.105 ↑ 1.4 176 1

Hash (cost=14,975.17..14,975.17 rows=243 width=40) (actual time=23.105..23.105 rows=176 loops=1)

  • Buckets: 1024 Batches: 1 Memory Usage: 17kB
13. 0.334 22.980 ↑ 1.4 176 1

Nested Loop (cost=0.15..14,975.17 rows=243 width=40) (actual time=0.019..22.980 rows=176 loops=1)

14. 22.294 22.294 ↑ 1.4 176 1

Seq Scan on venue_source (cost=0.00..14,883.43 rows=243 width=8) (actual time=0.008..22.294 rows=176 loops=1)

15. 0.352 0.352 ↑ 1.0 1 176

Index Scan using venue_source_type_pkey on venue_source_type (cost=0.15..0.37 rows=1 width=40) (actual time=0.001..0.002 rows=1 loops=176)

  • Index Cond: (venue_source_type_id = venue_source.venue_source_type_id)
16.          

CTE venue_reviews

17. 28,469.162 28,469.162 ↓ 185.5 4,451 1

CTE Scan on venue_records (cost=0.00..85,947.36 rows=24 width=20) (actual time=26,140.050..28,469.162 rows=4,451 loops=1)

  • Filter: ((review_count >= 2) AND (created_on <= '2020-01-05 00:00:00'::timestamp without time zone) AND (created_on >= '2020-01-01 00:00:00'::timestamp without time zone) AND (rank = 1))
  • Rows Removed by Filter: 2996120
18.          

CTE filtered_venues

19. 1.065 36,266.949 ↓ 116.8 2,803 1

Limit (cost=657,944.04..657,944.28 rows=24 width=16) (actual time=36,264.634..36,266.949 rows=2,803 loops=1)

20. 10.543 36,265.884 ↓ 116.8 2,803 1

HashAggregate (cost=657,944.04..657,944.28 rows=24 width=16) (actual time=36,264.632..36,265.884 rows=2,803 loops=1)

  • Group Key: venue_reviews.venue_id, venue_reviews.resolved_venue_parameters_log_id, venue_reviews.review_count
21. 1,222.471 36,255.341 ↓ 85.5 24,196 1

Hash Join (cost=333,703.33..657,941.91 rows=283 width=16) (actual time=32,041.637..36,255.341 rows=24,196 loops=1)

  • Hash Cond: (address_2.address_id = venue_reviews.address_id)
22. 4,493.536 6,559.464 ↑ 1.4 5,157,771 1

Seq Scan on address address_2 (cost=333,702.55..630,232.94 rows=7,388,096 width=4) (actual time=2,672.584..6,559.464 rows=5,157,771 loops=1)

  • Filter: (hashed SubPlan 3)
  • Rows Removed by Filter: 9608339
23.          

SubPlan (for Seq Scan)

24. 2,065.928 2,065.928 ↓ 7.2 663,133 1

Seq Scan on address address_1 (cost=0.00..333,470.86 rows=92,676 width=4) (actual time=67.143..2,065.928 rows=663,133 loops=1)

  • Filter: ((address_component_name = 'COUNTRY'::text) AND (address_component_value = 'United States'::text))
  • Rows Removed by Filter: 14102977
25. 1.525 28,473.406 ↓ 185.5 4,451 1

Hash (cost=0.48..0.48 rows=24 width=20) (actual time=28,473.406..28,473.406 rows=4,451 loops=1)

  • Buckets: 8192 (originally 1024) Batches: 1 (originally 1) Memory Usage: 291kB
26. 28,471.881 28,471.881 ↓ 185.5 4,451 1

CTE Scan on venue_reviews (cost=0.00..0.48 rows=24 width=20) (actual time=26,140.053..28,471.881 rows=4,451 loops=1)

27. 21.719 39,257.304 ↓ 102.5 32,686 1

Hash Left Join (cost=118,238.63..170,033.51 rows=319 width=787) (actual time=38,523.435..39,257.304 rows=32,686 loops=1)

  • Hash Cond: (venue_competitor.competitor_id = competitor.competitor_id)
28. 21.420 39,235.519 ↓ 102.5 32,686 1

Nested Loop Left Join (cost=118,235.86..170,026.35 rows=319 width=781) (actual time=38,523.354..39,235.519 rows=32,686 loops=1)

29. 2.660 39,195.179 ↓ 126.1 3,784 1

Hash Left Join (cost=118,235.42..169,987.11 rows=30 width=752) (actual time=38,523.332..39,195.179 rows=3,784 loops=1)

  • Hash Cond: (venue_genre.genre_id = genre.genre_id)
30. 449.317 39,192.463 ↓ 126.1 3,784 1

Hash Right Join (cost=118,234.33..169,985.88 rows=30 width=724) (actual time=38,523.256..39,192.463 rows=3,784 loops=1)

  • Hash Cond: (place_properties.venue_id = venue.venue_id)
31. 430.988 430.988 ↑ 1.0 1,654,177 1

Seq Scan on place_properties (cost=0.00..45,460.73 rows=1,677,473 width=153) (actual time=0.008..430.988 rows=1,654,177 loops=1)

32. 4.614 38,312.158 ↓ 129.9 3,378 1

Hash (cost=118,234.01..118,234.01 rows=26 width=579) (actual time=38,312.158..38,312.158 rows=3,378 loops=1)

  • Buckets: 4096 (originally 1024) Batches: 1 (originally 1) Memory Usage: 1802kB
33. 5.072 38,307.544 ↓ 129.9 3,378 1

Nested Loop Left Join (cost=95,365.13..118,234.01 rows=26 width=579) (actual time=37,987.209..38,307.544 rows=3,378 loops=1)

34. 4.392 38,296.858 ↓ 117.0 2,807 1

Nested Loop Left Join (cost=95,364.70..118,221.61 rows=24 width=575) (actual time=37,987.195..38,296.858 rows=2,807 loops=1)

35. 3.419 38,286.852 ↓ 117.0 2,807 1

Nested Loop Left Join (cost=95,364.27..118,210.56 rows=24 width=567) (actual time=37,987.179..38,286.852 rows=2,807 loops=1)

36. 3.636 38,280.626 ↓ 117.0 2,807 1

Nested Loop Left Join (cost=95,364.12..118,206.24 rows=24 width=539) (actual time=37,987.169..38,280.626 rows=2,807 loops=1)

37. 3.301 38,274.183 ↓ 117.0 2,807 1

Nested Loop Left Join (cost=95,363.97..118,202.10 rows=24 width=534) (actual time=37,987.161..38,274.183 rows=2,807 loops=1)

38. 4.031 38,268.075 ↓ 117.0 2,807 1

Nested Loop Left Join (cost=95,363.82..118,197.77 rows=24 width=506) (actual time=37,987.153..38,268.075 rows=2,807 loops=1)

39. 3.655 38,258.438 ↓ 116.8 2,803 1

Nested Loop Left Join (cost=95,363.39..118,186.16 rows=24 width=502) (actual time=37,987.137..38,258.438 rows=2,803 loops=1)

40. 3.304 38,251.980 ↓ 116.8 2,803 1

Nested Loop (cost=95,363.24..118,177.10 rows=24 width=470) (actual time=37,987.130..38,251.980 rows=2,803 loops=1)

41. 4.028 38,243.070 ↓ 116.8 2,803 1

Nested Loop (cost=95,362.84..118,166.27 rows=24 width=446) (actual time=37,987.118..38,243.070 rows=2,803 loops=1)

42. 56.752 38,230.633 ↓ 116.8 2,803 1

Merge Left Join (cost=95,362.41..117,963.29 rows=24 width=147) (actual time=37,987.082..38,230.633 rows=2,803 loops=1)

  • Merge Cond: (venue.venue_id = scores.venue_id)
43. 3.463 36,281.209 ↓ 116.8 2,803 1

Sort (cost=203.95..204.01 rows=24 width=143) (actual time=36,279.733..36,281.209 rows=2,803 loops=1)

  • Sort Key: venue.venue_id
  • Sort Method: quicksort Memory: 823kB
44. 3.657 36,277.746 ↓ 116.8 2,803 1

Nested Loop (cost=0.43..203.40 rows=24 width=143) (actual time=36,264.665..36,277.746 rows=2,803 loops=1)

45. 36,268.483 36,268.483 ↓ 116.8 2,803 1

CTE Scan on filtered_venues (cost=0.00..0.48 rows=24 width=16) (actual time=36,264.639..36,268.483 rows=2,803 loops=1)

46. 5.606 5.606 ↑ 1.0 1 2,803

Index Scan using venue_id_idx on venue (cost=0.43..8.45 rows=1 width=131) (actual time=0.002..0.002 rows=1 loops=2,803)

  • Index Cond: (venue_id = filtered_venues.venue_id)
47. 105.904 1,892.672 ↓ 65.6 228,051 1

Materialize (cost=95,151.96..117,750.52 rows=3,475 width=12) (actual time=759.781..1,892.672 rows=228,051 loops=1)

48. 200.979 1,786.768 ↓ 65.6 228,051 1

Subquery Scan on scores (cost=95,151.96..117,741.83 rows=3,475 width=12) (actual time=759.778..1,786.768 rows=228,051 loops=1)

  • Filter: (scores."row" = 1)
  • Rows Removed by Filter: 458680
49. 469.130 1,585.789 ↑ 1.0 686,731 1

WindowAgg (cost=95,151.96..109,053.42 rows=695,073 width=20) (actual time=759.767..1,585.789 rows=686,731 loops=1)

50. 898.910 1,116.659 ↑ 1.0 686,731 1

Sort (cost=95,151.96..96,889.64 rows=695,073 width=20) (actual time=759.757..1,116.659 rows=686,731 loops=1)

  • Sort Key: venue_score.venue_id, venue_score.created_time DESC
  • Sort Method: external merge Disk: 20248kB
51. 217.749 217.749 ↑ 1.0 692,475 1

Seq Scan on venue_score (cost=0.00..13,450.73 rows=695,073 width=20) (actual time=0.007..217.749 rows=692,475 loops=1)

52. 8.409 8.409 ↑ 1.0 1 2,803

Index Scan using venue_parameters_log_pkey on venue_parameters_log log (cost=0.43..8.45 rows=1 width=303) (actual time=0.003..0.003 rows=1 loops=2,803)

  • Index Cond: (venue_parameters_log_id = filtered_venues.resolved_venue_parameters_log_id)
53. 5.606 5.606 ↑ 1.0 1 2,803

Index Scan using venue_source_pkey on venue_source source (cost=0.40..0.44 rows=1 width=28) (actual time=0.002..0.002 rows=1 loops=2,803)

  • Index Cond: (venue_source_id = log.venue_source_id)
54. 2.803 2.803 ↑ 1.0 1 2,803

Index Scan using venue_source_type_pkey on venue_source_type source_type (cost=0.15..0.37 rows=1 width=36) (actual time=0.001..0.001 rows=1 loops=2,803)

  • Index Cond: (venue_source_type_id = source.venue_source_type_id)
55. 5.606 5.606 ↑ 1.0 1 2,803

Index Scan using venue_inventory_type_venue_parameters_log_id_idx on venue_inventory_type (cost=0.43..0.47 rows=1 width=8) (actual time=0.002..0.002 rows=1 loops=2,803)

  • Index Cond: (venue_parameters_log_id = log.venue_parameters_log_id)
56. 2.807 2.807 ↑ 1.0 1 2,807

Index Scan using inventory_type_pkey on inventory_type inventory (cost=0.15..0.17 rows=1 width=36) (actual time=0.001..0.001 rows=1 loops=2,807)

  • Index Cond: (inventory_type_id = venue_inventory_type.inventory_type_id)
57. 2.807 2.807 ↑ 1.0 1 2,807

Index Scan using scheduling_software_pkey on scheduling_software software (cost=0.14..0.16 rows=1 width=13) (actual time=0.001..0.001 rows=1 loops=2,807)

  • Index Cond: (scheduling_software_id = log.scheduling_software_id)
58. 2.807 2.807 ↑ 1.0 1 2,807

Index Scan using contact_title_pkey on contact_title (cost=0.15..0.17 rows=1 width=36) (actual time=0.001..0.001 rows=1 loops=2,807)

  • Index Cond: (contact_title_id = log.contact_title_id)
59. 5.614 5.614 ↑ 1.0 1 2,807

Index Scan using venue_competitor_venue_parameters_log_id_idx on venue_competitor (cost=0.42..0.45 rows=1 width=12) (actual time=0.002..0.002 rows=1 loops=2,807)

  • Index Cond: (venue_parameters_log_id = log.venue_parameters_log_id)
60. 5.614 5.614 ↑ 2.0 1 2,807

Index Scan using venue_genre_venue_parameters_log_id_idx on venue_genre (cost=0.43..0.50 rows=2 width=8) (actual time=0.002..0.002 rows=1 loops=2,807)

  • Index Cond: (venue_parameters_log_id = log.venue_parameters_log_id)
61. 0.032 0.056 ↓ 14.2 57 1

Hash (cost=1.04..1.04 rows=4 width=36) (actual time=0.056..0.056 rows=57 loops=1)

  • Buckets: 1024 Batches: 1 Memory Usage: 11kB
62. 0.024 0.024 ↓ 14.2 57 1

Seq Scan on genre (cost=0.00..1.04 rows=4 width=36) (actual time=0.007..0.024 rows=57 loops=1)

63. 18.920 18.920 ↑ 2.7 9 3,784

Index Scan using address_address_id_idx on address (cost=0.43..1.07 rows=24 width=29) (actual time=0.002..0.005 rows=9 loops=3,784)

  • Index Cond: (address_id = log.address_id)
64. 0.035 0.066 ↓ 1.3 102 1

Hash (cost=1.79..1.79 rows=79 width=14) (actual time=0.066..0.066 rows=102 loops=1)

  • Buckets: 1024 Batches: 1 Memory Usage: 13kB
65. 0.031 0.031 ↓ 1.3 102 1

Seq Scan on competitor (cost=0.00..1.79 rows=79 width=14) (actual time=0.005..0.031 rows=102 loops=1)

66. 0.006 0.009 ↑ 1.0 4 1

Hash (cost=1.04..1.04 rows=4 width=36) (actual time=0.009..0.009 rows=4 loops=1)

  • Buckets: 1024 Batches: 1 Memory Usage: 9kB
67. 0.003 0.003 ↑ 1.0 4 1

Seq Scan on number_of_classes (cost=0.00..1.04 rows=4 width=36) (actual time=0.002..0.003 rows=4 loops=1)

68.          

SubPlan (for Hash Left Join)

69. 0.000 0.000 ↓ 0.0 0

Seq Scan on venue_source_scraper (cost=0.00..3.01 rows=1 width=4) (never executed)

  • Filter: (venue_source_scraper_id = source.source_id)
70. 32.686 65.372 ↑ 1.0 1 32,686

Bitmap Heap Scan on venue_source_admin_user (cost=12.40..16.42 rows=1 width=4) (actual time=0.002..0.002 rows=1 loops=32,686)

  • Recheck Cond: (venue_source_admin_user_id = source.source_id)
  • Heap Blocks: exact=32686
71. 32.686 32.686 ↑ 1.0 1 32,686

Bitmap Index Scan on venue_source_admin_user_pkey (cost=0.00..12.40 rows=1 width=0) (actual time=0.001..0.001 rows=1 loops=32,686)

  • Index Cond: (venue_source_admin_user_id = source.source_id)
72. 0.000 0.000 ↓ 0.0 0

Seq Scan on venue_source_manual_user (cost=0.00..1.02 rows=1 width=4) (never executed)

  • Filter: (venue_source_manual_user_id = source.source_id)
Planning time : 8.292 ms
Execution time : 39,471.260 ms