explain.depesz.com

PostgreSQL's explain analyze made readable

Result: c4cp

Settings
# exclusive inclusive rows x rows loops node
1. 46.022 33,457.469 ↓ 102.5 32,686 1

Hash Left Join (cost=2,305,577.25..2,365,176.64 rows=319 width=811) (actual time=32,575.225..33,457.469 rows=32,686 loops=1)

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

CTE venue_records

3. 2,335.333 20,889.776 ↓ 1.0 2,999,710 1

WindowAgg (cost=1,378,985.22..1,443,445.74 rows=2,864,912 width=60) (actual time=17,600.299..20,889.776 rows=2,999,710 loops=1)

4. 3,703.449 18,554.443 ↓ 1.0 2,999,710 1

Sort (cost=1,378,985.22..1,386,147.50 rows=2,864,912 width=60) (actual time=17,600.290..18,554.443 rows=2,999,710 loops=1)

  • Sort Key: venue_1.venue_id, venue_source_type.priority, venue_parameters_log.created_on DESC
  • Sort Method: external sort Disk: 170,080kB
5. 3,143.789 14,850.994 ↓ 1.0 2,999,710 1

WindowAgg (cost=686,550.22..856,290.55 rows=2,864,912 width=60) (actual time=6,056.328..14,850.994 rows=2,999,710 loops=1)

6. 2,092.649 11,707.205 ↓ 1.0 2,999,710 1

Merge Join (cost=686,550.22..806,154.59 rows=2,864,912 width=60) (actual time=6,056.283..11,707.205 rows=2,999,710 loops=1)

  • Merge Cond: (venue_1.venue_id = venue_parameters_log.venue_id)
7. 799.810 799.810 ↑ 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=0.014..799.810 rows=1,453,566 loops=1)

  • Heap Fetches: 1,441,614
8. 1,282.727 8,814.746 ↓ 1.0 2,999,710 1

Materialize (cost=686,542.91..700,867.47 rows=2,864,912 width=56) (actual time=6,056.262..8,814.746 rows=2,999,710 loops=1)

9. 4,441.334 7,532.019 ↓ 1.0 2,999,710 1

Sort (cost=686,542.91..693,705.19 rows=2,864,912 width=56) (actual time=6,056.259..7,532.019 rows=2,999,710 loops=1)

  • Sort Key: venue_parameters_log.venue_id
  • Sort Method: external merge Disk: 134,912kB
10. 1,716.200 3,090.685 ↓ 1.0 2,999,710 1

Hash Join (cost=14,976.59..183,434.25 rows=2,864,912 width=56) (actual time=15.935..3,090.685 rows=2,999,710 loops=1)

  • Hash Cond: (venue_parameters_log.venue_source_id = venue_source.venue_source_id)
11. 1,358.596 1,358.596 ↓ 1.0 2,999,710 1

Seq Scan on venue_parameters_log (cost=0.00..129,065.12 rows=2,864,912 width=24) (actual time=0.034..1,358.596 rows=2,999,710 loops=1)

12. 0.067 15.889 ↑ 1.3 176 1

Hash (cost=14,973.65..14,973.65 rows=235 width=40) (actual time=15.889..15.889 rows=176 loops=1)

  • Buckets: 1,024 Batches: 1 Memory Usage: 17kB
13. 0.234 15.822 ↑ 1.3 176 1

Nested Loop (cost=0.15..14,973.65 rows=235 width=40) (actual time=0.016..15.822 rows=176 loops=1)

14. 15.412 15.412 ↑ 1.3 176 1

Seq Scan on venue_source (cost=0.00..14,883.35 rows=235 width=8) (actual time=0.007..15.412 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. 22,778.526 22,778.526 ↓ 185.5 4,451 1

CTE Scan on venue_records (cost=0.00..85,947.36 rows=24 width=20) (actual time=20,235.413..22,778.526 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: 2,995,259
18.          

CTE filtered_venues

19. 1.076 30,377.668 ↓ 116.8 2,803 1

Limit (cost=657,944.04..657,944.28 rows=24 width=16) (actual time=30,375.444..30,377.668 rows=2,803 loops=1)

20. 10.389 30,376.592 ↓ 116.8 2,803 1

HashAggregate (cost=657,944.04..657,944.28 rows=24 width=16) (actual time=30,375.442..30,376.592 rows=2,803 loops=1)

  • Group Key: venue_reviews.venue_id, venue_reviews.resolved_venue_parameters_log_id, venue_reviews.review_count
21. 1,226.405 30,366.203 ↓ 85.5 24,196 1

Hash Join (cost=333,703.33..657,941.91 rows=283 width=16) (actual time=26,229.756..30,366.203 rows=24,196 loops=1)

  • Hash Cond: (address_2.address_id = venue_reviews.address_id)
22. 4,390.804 6,356.897 ↑ 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=2,518.505..6,356.897 rows=5,157,771 loops=1)

  • Filter: (hashed SubPlan 3)
  • Rows Removed by Filter: 9,608,339
23.          

SubPlan (for Seq Scan)

24. 1,966.093 1,966.093 ↓ 7.2 663,133 1

Seq Scan on address address_1 (cost=0.00..333,470.86 rows=92,676 width=4) (actual time=73.271..1,966.093 rows=663,133 loops=1)

  • Filter: ((address_component_name = 'COUNTRY'::text) AND (address_component_value = 'United States'::text))
  • Rows Removed by Filter: 14,102,977
25. 1.706 22,782.901 ↓ 185.5 4,451 1

Hash (cost=0.48..0.48 rows=24 width=20) (actual time=22,782.901..22,782.901 rows=4,451 loops=1)

  • Buckets: 8,192 (originally 1024) Batches: 1 (originally 1) Memory Usage: 291kB
26. 22,781.195 22,781.195 ↓ 185.5 4,451 1

CTE Scan on venue_reviews (cost=0.00..0.48 rows=24 width=20) (actual time=20,235.415..22,781.195 rows=4,451 loops=1)

27. 25.940 33,313.381 ↓ 102.5 32,686 1

Hash Left Join (cost=118,238.79..170,033.68 rows=319 width=787) (actual time=32,575.174..33,313.381 rows=32,686 loops=1)

  • Hash Cond: (venue_competitor.competitor_id = competitor.competitor_id)
28. 23.216 33,287.372 ↓ 102.5 32,686 1

Nested Loop Left Join (cost=118,236.02..170,026.51 rows=319 width=781) (actual time=32,575.093..33,287.372 rows=32,686 loops=1)

29. 2.796 33,245.236 ↓ 126.1 3,784 1

Hash Left Join (cost=118,235.58..169,987.27 rows=30 width=752) (actual time=32,575.068..33,245.236 rows=3,784 loops=1)

  • Hash Cond: (venue_genre.genre_id = genre.genre_id)
30. 447.417 33,242.390 ↓ 126.1 3,784 1

Hash Right Join (cost=118,234.49..169,986.04 rows=30 width=724) (actual time=32,574.995..33,242.390 rows=3,784 loops=1)

  • Hash Cond: (place_properties.venue_id = venue.venue_id)
31. 429.694 429.694 ↑ 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..429.694 rows=1,654,177 loops=1)

32. 4.732 32,365.279 ↓ 129.9 3,378 1

Hash (cost=118,234.17..118,234.17 rows=26 width=579) (actual time=32,365.279..32,365.279 rows=3,378 loops=1)

  • Buckets: 4,096 (originally 1024) Batches: 1 (originally 1) Memory Usage: 1,802kB
33. 4.921 32,360.547 ↓ 129.9 3,378 1

Nested Loop Left Join (cost=95,365.13..118,234.17 rows=26 width=579) (actual time=32,047.379..32,360.547 rows=3,378 loops=1)

34. 4.147 32,350.012 ↓ 117.0 2,807 1

Nested Loop Left Join (cost=95,364.70..118,221.77 rows=24 width=575) (actual time=32,047.365..32,350.012 rows=2,807 loops=1)

35. 3.301 32,340.251 ↓ 117.0 2,807 1

Nested Loop Left Join (cost=95,364.27..118,210.72 rows=24 width=567) (actual time=32,047.349..32,340.251 rows=2,807 loops=1)

36. 3.467 32,334.143 ↓ 117.0 2,807 1

Nested Loop Left Join (cost=95,364.12..118,206.40 rows=24 width=539) (actual time=32,047.340..32,334.143 rows=2,807 loops=1)

37. 3.237 32,327.869 ↓ 117.0 2,807 1

Nested Loop Left Join (cost=95,363.97..118,202.26 rows=24 width=534) (actual time=32,047.332..32,327.869 rows=2,807 loops=1)

38. 3.685 32,321.825 ↓ 117.0 2,807 1

Nested Loop Left Join (cost=95,363.82..118,197.94 rows=24 width=506) (actual time=32,047.323..32,321.825 rows=2,807 loops=1)

39. 3.717 32,312.534 ↓ 116.8 2,803 1

Nested Loop Left Join (cost=95,363.39..118,186.32 rows=24 width=502) (actual time=32,047.309..32,312.534 rows=2,803 loops=1)

40. 3.041 32,306.014 ↓ 116.8 2,803 1

Nested Loop (cost=95,363.24..118,177.10 rows=24 width=470) (actual time=32,047.301..32,306.014 rows=2,803 loops=1)

41. 3.889 32,297.367 ↓ 116.8 2,803 1

Nested Loop (cost=95,362.84..118,166.27 rows=24 width=446) (actual time=32,047.289..32,297.367 rows=2,803 loops=1)

42. 56.927 32,285.069 ↓ 116.8 2,803 1

Merge Left Join (cost=95,362.41..117,963.29 rows=24 width=147) (actual time=32,047.253..32,285.069 rows=2,803 loops=1)

  • Merge Cond: (venue.venue_id = scores.venue_id)
43. 3.571 30,391.757 ↓ 116.8 2,803 1

Sort (cost=203.95..204.01 rows=24 width=143) (actual time=30,390.194..30,391.757 rows=2,803 loops=1)

  • Sort Key: venue.venue_id
  • Sort Method: quicksort Memory: 823kB
44. 3.346 30,388.186 ↓ 116.8 2,803 1

Nested Loop (cost=0.43..203.40 rows=24 width=143) (actual time=30,375.473..30,388.186 rows=2,803 loops=1)

45. 30,379.234 30,379.234 ↓ 116.8 2,803 1

CTE Scan on filtered_venues (cost=0.00..0.48 rows=24 width=16) (actual time=30,375.448..30,379.234 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. 106.130 1,836.385 ↓ 65.6 228,051 1

Materialize (cost=95,151.96..117,750.52 rows=3,475 width=12) (actual time=751.239..1,836.385 rows=228,051 loops=1)

48. 202.544 1,730.255 ↓ 65.6 228,051 1

Subquery Scan on scores (cost=95,151.96..117,741.83 rows=3,475 width=12) (actual time=751.235..1,730.255 rows=228,051 loops=1)

  • Filter: (scores."row" = 1)
  • Rows Removed by Filter: 458,680
49. 469.058 1,527.711 ↑ 1.0 686,731 1

WindowAgg (cost=95,151.96..109,053.42 rows=695,073 width=20) (actual time=751.223..1,527.711 rows=686,731 loops=1)

50. 829.895 1,058.653 ↑ 1.0 686,731 1

Sort (cost=95,151.96..96,889.64 rows=695,073 width=20) (actual time=751.215..1,058.653 rows=686,731 loops=1)

  • Sort Key: venue_score.venue_id, venue_score.created_time DESC
  • Sort Method: external merge Disk: 20,248kB
51. 228.758 228.758 ↑ 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..228.758 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. 0.033 0.050 ↓ 14.2 57 1

Hash (cost=1.04..1.04 rows=4 width=36) (actual time=0.050..0.050 rows=57 loops=1)

  • Buckets: 1,024 Batches: 1 Memory Usage: 11kB
62. 0.017 0.017 ↓ 14.2 57 1

Seq Scan on genre (cost=0.00..1.04 rows=4 width=36) (actual time=0.006..0.017 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=0.003..0.005 rows=9 loops=3,784)

  • Index Cond: (address_id = log.address_id)
64. 0.038 0.069 ↓ 1.3 102 1

Hash (cost=1.79..1.79 rows=79 width=14) (actual time=0.069..0.069 rows=102 loops=1)

  • Buckets: 1,024 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. 0.004 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: 1,024 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. 65.372 98.058 ↑ 1.0 1 32,686

Bitmap Heap Scan on venue_source_admin_user (cost=16.40..20.42 rows=1 width=4) (actual time=0.002..0.003 rows=1 loops=32,686)

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

Bitmap Index Scan on venue_source_admin_user_pkey (cost=0.00..16.40 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 : 4.664 ms
Execution time : 33,545.384 ms