explain.depesz.com

PostgreSQL's explain analyze made readable

Result: tQDD

Settings
# exclusive inclusive rows x rows loops node
1. 64.616 36,909.970 ↓ 102.5 32,686 1

Hash Left Join (cost=2,305,578.71..2,363,902.10 rows=319 width=811) (actual time=36,048.039..36,909.970 rows=32,686 loops=1)

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

CTE venue_records

3. 2,293.440 24,155.057 ↓ 1.0 3,000,581 1

WindowAgg (cost=1,378,986.84..1,443,447.36 rows=2,864,912 width=60) (actual time=20,919.877..24,155.057 rows=3,000,581 loops=1)

4. 3,824.849 21,861.617 ↓ 1.0 3,000,581 1

Sort (cost=1,378,986.84..1,386,149.12 rows=2,864,912 width=60) (actual time=20,919.871..21,861.617 rows=3,000,581 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. 3,193.193 18,036.768 ↓ 1.0 3,000,581 1

WindowAgg (cost=686,551.84..856,292.17 rows=2,864,912 width=60) (actual time=8,849.998..18,036.768 rows=3,000,581 loops=1)

6. 2,122.408 14,843.575 ↓ 1.0 3,000,581 1

Merge Join (cost=686,551.84..806,156.21 rows=2,864,912 width=60) (actual time=8,849.956..14,843.575 rows=3,000,581 loops=1)

  • Merge Cond: (venue_1.venue_id = venue_parameters_log.venue_id)
7. 825.977 825.977 ↑ 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=0.013..825.977 rows=1,453,566 loops=1)

  • Heap Fetches: 1441614
8. 1,297.556 11,895.190 ↓ 1.0 3,000,581 1

Materialize (cost=686,544.53..700,869.09 rows=2,864,912 width=56) (actual time=8,849.935..11,895.190 rows=3,000,581 loops=1)

9. 6,101.970 10,597.634 ↓ 1.0 3,000,581 1

Sort (cost=686,544.53..693,706.81 rows=2,864,912 width=56) (actual time=8,849.933..10,597.634 rows=3,000,581 loops=1)

  • Sort Key: venue_parameters_log.venue_id
  • Sort Method: external merge Disk: 134968kB
10. 2,564.162 4,495.664 ↓ 1.0 3,000,581 1

Hash Join (cost=14,978.21..183,435.87 rows=2,864,912 width=56) (actual time=16.051..4,495.664 rows=3,000,581 loops=1)

  • Hash Cond: (venue_parameters_log.venue_source_id = venue_source.venue_source_id)
11. 1,915.497 1,915.497 ↓ 1.0 3,000,581 1

Seq Scan on venue_parameters_log (cost=0.00..129,065.12 rows=2,864,912 width=24) (actual time=0.032..1,915.497 rows=3,000,581 loops=1)

12. 0.076 16.005 ↑ 1.4 176 1

Hash (cost=14,975.17..14,975.17 rows=243 width=40) (actual time=16.005..16.005 rows=176 loops=1)

  • Buckets: 1024 Batches: 1 Memory Usage: 17kB
13. 0.224 15.929 ↑ 1.4 176 1

Nested Loop (cost=0.15..14,975.17 rows=243 width=40) (actual time=0.016..15.929 rows=176 loops=1)

14. 15.529 15.529 ↑ 1.4 176 1

Seq Scan on venue_source (cost=0.00..14,883.43 rows=243 width=8) (actual time=0.007..15.529 rows=176 loops=1)

15. 0.176 0.176 ↑ 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..0.001 rows=1 loops=176)

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

CTE venue_reviews

17. 25,977.248 25,977.248 ↓ 185.5 4,451 1

CTE Scan on venue_records (cost=0.00..85,947.36 rows=24 width=20) (actual time=23,588.762..25,977.248 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: 2996130
18.          

CTE filtered_venues

19. 1.042 33,763.094 ↓ 116.8 2,803 1

Limit (cost=657,944.04..657,944.28 rows=24 width=16) (actual time=33,760.812..33,763.094 rows=2,803 loops=1)

20. 10.670 33,762.052 ↓ 116.8 2,803 1

HashAggregate (cost=657,944.04..657,944.28 rows=24 width=16) (actual time=33,760.811..33,762.052 rows=2,803 loops=1)

  • Group Key: venue_reviews.venue_id, venue_reviews.resolved_venue_parameters_log_id, venue_reviews.review_count
21. 1,206.689 33,751.382 ↓ 85.5 24,196 1

Hash Join (cost=333,703.33..657,941.91 rows=283 width=16) (actual time=29,548.449..33,751.382 rows=24,196 loops=1)

  • Hash Cond: (address_2.address_id = venue_reviews.address_id)
22. 4,518.276 6,563.215 ↑ 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=2,663.126..6,563.215 rows=5,157,771 loops=1)

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

SubPlan (for Seq Scan)

24. 2,044.939 2,044.939 ↓ 7.2 663,133 1

Seq Scan on address address_1 (cost=0.00..333,470.86 rows=92,676 width=4) (actual time=75.546..2,044.939 rows=663,133 loops=1)

  • Filter: ((address_component_name = 'COUNTRY'::text) AND (address_component_value = 'United States'::text))
  • Rows Removed by Filter: 14102977
25. 1.608 25,981.478 ↓ 185.5 4,451 1

Hash (cost=0.48..0.48 rows=24 width=20) (actual time=25,981.478..25,981.478 rows=4,451 loops=1)

  • Buckets: 8192 (originally 1024) Batches: 1 (originally 1) Memory Usage: 291kB
26. 25,979.870 25,979.870 ↓ 185.5 4,451 1

CTE Scan on venue_reviews (cost=0.00..0.48 rows=24 width=20) (actual time=23,588.765..25,979.870 rows=4,451 loops=1)

27. 21.945 36,779.974 ↓ 102.5 32,686 1

Hash Left Join (cost=118,238.63..170,033.51 rows=319 width=787) (actual time=36,047.977..36,779.974 rows=32,686 loops=1)

  • Hash Cond: (venue_competitor.competitor_id = competitor.competitor_id)
28. 21.567 36,757.963 ↓ 102.5 32,686 1

Nested Loop Left Join (cost=118,235.86..170,026.35 rows=319 width=781) (actual time=36,047.899..36,757.963 rows=32,686 loops=1)

29. 2.613 36,717.476 ↓ 126.1 3,784 1

Hash Left Join (cost=118,235.42..169,987.11 rows=30 width=752) (actual time=36,047.875..36,717.476 rows=3,784 loops=1)

  • Hash Cond: (venue_genre.genre_id = genre.genre_id)
30. 451.637 36,714.809 ↓ 126.1 3,784 1

Hash Right Join (cost=118,234.33..169,985.88 rows=30 width=724) (actual time=36,047.803..36,714.809 rows=3,784 loops=1)

  • Hash Cond: (place_properties.venue_id = venue.venue_id)
31. 438.743 438.743 ↑ 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=0.007..438.743 rows=1,654,177 loops=1)

32. 4.545 35,824.429 ↓ 129.9 3,378 1

Hash (cost=118,234.01..118,234.01 rows=26 width=579) (actual time=35,824.429..35,824.429 rows=3,378 loops=1)

  • Buckets: 4096 (originally 1024) Batches: 1 (originally 1) Memory Usage: 1802kB
33. 4.956 35,819.884 ↓ 129.9 3,378 1

Nested Loop Left Join (cost=95,365.13..118,234.01 rows=26 width=579) (actual time=35,502.973..35,819.884 rows=3,378 loops=1)

34. 4.341 35,809.314 ↓ 117.0 2,807 1

Nested Loop Left Join (cost=95,364.70..118,221.61 rows=24 width=575) (actual time=35,502.959..35,809.314 rows=2,807 loops=1)

35. 3.371 35,799.359 ↓ 117.0 2,807 1

Nested Loop Left Join (cost=95,364.27..118,210.56 rows=24 width=567) (actual time=35,502.944..35,799.359 rows=2,807 loops=1)

36. 3.570 35,793.181 ↓ 117.0 2,807 1

Nested Loop Left Join (cost=95,364.12..118,206.24 rows=24 width=539) (actual time=35,502.936..35,793.181 rows=2,807 loops=1)

37. 3.278 35,786.804 ↓ 117.0 2,807 1

Nested Loop Left Join (cost=95,363.97..118,202.10 rows=24 width=534) (actual time=35,502.927..35,786.804 rows=2,807 loops=1)

38. 3.939 35,780.719 ↓ 117.0 2,807 1

Nested Loop Left Join (cost=95,363.82..118,197.77 rows=24 width=506) (actual time=35,502.919..35,780.719 rows=2,807 loops=1)

39. 3.710 35,771.174 ↓ 116.8 2,803 1

Nested Loop Left Join (cost=95,363.39..118,186.16 rows=24 width=502) (actual time=35,502.903..35,771.174 rows=2,803 loops=1)

40. 3.270 35,764.661 ↓ 116.8 2,803 1

Nested Loop (cost=95,363.24..118,177.10 rows=24 width=470) (actual time=35,502.896..35,764.661 rows=2,803 loops=1)

41. 3.942 35,755.785 ↓ 116.8 2,803 1

Nested Loop (cost=95,362.84..118,166.27 rows=24 width=446) (actual time=35,502.884..35,755.785 rows=2,803 loops=1)

42. 60.409 35,743.434 ↓ 116.8 2,803 1

Merge Left Join (cost=95,362.41..117,963.29 rows=24 width=147) (actual time=35,502.847..35,743.434 rows=2,803 loops=1)

  • Merge Cond: (venue.venue_id = scores.venue_id)
43. 3.385 33,777.090 ↓ 116.8 2,803 1

Sort (cost=203.95..204.01 rows=24 width=143) (actual time=33,775.704..33,777.090 rows=2,803 loops=1)

  • Sort Key: venue.venue_id
  • Sort Method: quicksort Memory: 823kB
44. 3.462 33,773.705 ↓ 116.8 2,803 1

Nested Loop (cost=0.43..203.40 rows=24 width=143) (actual time=33,760.843..33,773.705 rows=2,803 loops=1)

45. 33,764.637 33,764.637 ↓ 116.8 2,803 1

CTE Scan on filtered_venues (cost=0.00..0.48 rows=24 width=16) (actual time=33,760.818..33,764.637 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. 112.934 1,905.935 ↓ 65.6 228,051 1

Materialize (cost=95,151.96..117,750.52 rows=3,475 width=12) (actual time=723.828..1,905.935 rows=228,051 loops=1)

48. 219.314 1,793.001 ↓ 65.6 228,051 1

Subquery Scan on scores (cost=95,151.96..117,741.83 rows=3,475 width=12) (actual time=723.825..1,793.001 rows=228,051 loops=1)

  • Filter: (scores."row" = 1)
  • Rows Removed by Filter: 458680
49. 504.167 1,573.687 ↑ 1.0 686,731 1

WindowAgg (cost=95,151.96..109,053.42 rows=695,073 width=20) (actual time=723.812..1,573.687 rows=686,731 loops=1)

50. 852.704 1,069.520 ↑ 1.0 686,731 1

Sort (cost=95,151.96..96,889.64 rows=695,073 width=20) (actual time=723.804..1,069.520 rows=686,731 loops=1)

  • Sort Key: venue_score.venue_id, venue_score.created_time DESC
  • Sort Method: external merge Disk: 20248kB
51. 216.816 216.816 ↑ 1.0 692,475 1

Seq Scan on venue_score (cost=0.00..13,450.73 rows=695,073 width=20) (actual time=0.006..216.816 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. 0.030 0.054 ↓ 14.2 57 1

Hash (cost=1.04..1.04 rows=4 width=36) (actual time=0.054..0.054 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=0.006..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. 0.038 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. 0.028 0.028 ↓ 1.3 102 1

Seq Scan on competitor (cost=0.00..1.79 rows=79 width=14) (actual time=0.004..0.028 rows=102 loops=1)

66. 0.004 0.008 ↑ 1.0 4 1

Hash (cost=1.04..1.04 rows=4 width=36) (actual time=0.008..0.008 rows=4 loops=1)

  • Buckets: 1024 Batches: 1 Memory Usage: 9kB
67. 0.004 0.004 ↑ 1.0 4 1

Seq Scan on number_of_classes (cost=0.00..1.04 rows=4 width=36) (actual time=0.003..0.004 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 : 4.827 ms
Execution time : 36,996.314 ms