explain.depesz.com

PostgreSQL's explain analyze made readable

Result: Xwpy

Settings
# exclusive inclusive rows x rows loops node
1. 67.399 34,732.911 ↓ 102.5 32,686 1

Hash Left Join (cost=2,305,577.25..2,365,176.64 rows=319 width=811) (actual time=33,872.091..34,732.911 rows=32,686 loops=1)

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

CTE venue_records

3. 2,379.831 22,258.738 ↓ 1.0 2,999,715 1

WindowAgg (cost=1,378,985.22..1,443,445.74 rows=2,864,912 width=60) (actual time=18,916.555..22,258.738 rows=2,999,715 loops=1)

4. 4,005.002 19,878.907 ↓ 1.0 2,999,715 1

Sort (cost=1,378,985.22..1,386,147.50 rows=2,864,912 width=60) (actual time=18,916.551..19,878.907 rows=2,999,715 loops=1)

  • Sort Key: venue_1.venue_id, venue_source_type.priority, venue_parameters_log.created_on DESC
  • Sort Method: external sort Disk: 170080kB
5. 3,544.908 15,873.905 ↓ 1.0 2,999,715 1

WindowAgg (cost=686,550.22..856,290.55 rows=2,864,912 width=60) (actual time=5,980.517..15,873.905 rows=2,999,715 loops=1)

6. 2,350.696 12,328.997 ↓ 1.0 2,999,715 1

Merge Join (cost=686,550.22..806,154.59 rows=2,864,912 width=60) (actual time=5,980.475..12,328.997 rows=2,999,715 loops=1)

  • Merge Cond: (venue_1.venue_id = venue_parameters_log.venue_id)
7. 912.537 912.537 ↑ 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..912.537 rows=1,453,566 loops=1)

  • Heap Fetches: 1441614
8. 1,437.369 9,065.764 ↓ 1.0 2,999,715 1

Materialize (cost=686,542.91..700,867.47 rows=2,864,912 width=56) (actual time=5,980.455..9,065.764 rows=2,999,715 loops=1)

9. 4,595.203 7,628.395 ↓ 1.0 2,999,715 1

Sort (cost=686,542.91..693,705.19 rows=2,864,912 width=56) (actual time=5,980.451..7,628.395 rows=2,999,715 loops=1)

  • Sort Key: venue_parameters_log.venue_id
  • Sort Method: external merge Disk: 134912kB
10. 1,656.995 3,033.192 ↓ 1.0 2,999,715 1

Hash Join (cost=14,976.59..183,434.25 rows=2,864,912 width=56) (actual time=16.121..3,033.192 rows=2,999,715 loops=1)

  • Hash Cond: (venue_parameters_log.venue_source_id = venue_source.venue_source_id)
11. 1,360.113 1,360.113 ↓ 1.0 2,999,715 1

Seq Scan on venue_parameters_log (cost=0.00..129,065.12 rows=2,864,912 width=24) (actual time=0.016..1,360.113 rows=2,999,715 loops=1)

12. 0.072 16.084 ↑ 1.3 176 1

Hash (cost=14,973.65..14,973.65 rows=235 width=40) (actual time=16.084..16.084 rows=176 loops=1)

  • Buckets: 1024 Batches: 1 Memory Usage: 17kB
13. 0.204 16.012 ↑ 1.3 176 1

Nested Loop (cost=0.15..14,973.65 rows=235 width=40) (actual time=0.012..16.012 rows=176 loops=1)

14. 15.632 15.632 ↑ 1.3 176 1

Seq Scan on venue_source (cost=0.00..14,883.35 rows=235 width=8) (actual time=0.005..15.632 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. 24,159.640 24,159.640 ↓ 185.5 4,451 1

CTE Scan on venue_records (cost=0.00..85,947.36 rows=24 width=20) (actual time=21,643.103..24,159.640 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: 2995264
18.          

CTE filtered_venues

19. 1.103 31,654.374 ↓ 116.8 2,803 1

Limit (cost=657,944.04..657,944.28 rows=24 width=16) (actual time=31,652.105..31,654.374 rows=2,803 loops=1)

20. 13.540 31,653.271 ↓ 116.8 2,803 1

HashAggregate (cost=657,944.04..657,944.28 rows=24 width=16) (actual time=31,652.103..31,653.271 rows=2,803 loops=1)

  • Group Key: venue_reviews.venue_id, venue_reviews.resolved_venue_parameters_log_id, venue_reviews.review_count
21. 1,215.608 31,639.731 ↓ 85.5 24,196 1

Hash Join (cost=333,703.33..657,941.91 rows=283 width=16) (actual time=27,523.006..31,639.731 rows=24,196 loops=1)

  • Hash Cond: (address_2.address_id = venue_reviews.address_id)
22. 4,353.089 6,259.781 ↑ 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=2,432.363..6,259.781 rows=5,157,771 loops=1)

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

SubPlan (for Seq Scan)

24. 1,906.692 1,906.692 ↓ 7.2 663,133 1

Seq Scan on address address_1 (cost=0.00..333,470.86 rows=92,676 width=4) (actual time=67.426..1,906.692 rows=663,133 loops=1)

  • Filter: ((address_component_name = 'COUNTRY'::text) AND (address_component_value = 'United States'::text))
  • Rows Removed by Filter: 14102977
25. 1.784 24,164.342 ↓ 185.5 4,451 1

Hash (cost=0.48..0.48 rows=24 width=20) (actual time=24,164.342..24,164.342 rows=4,451 loops=1)

  • Buckets: 8192 (originally 1024) Batches: 1 (originally 1) Memory Usage: 291kB
26. 24,162.558 24,162.558 ↓ 185.5 4,451 1

CTE Scan on venue_reviews (cost=0.00..0.48 rows=24 width=20) (actual time=21,643.105..24,162.558 rows=4,451 loops=1)

27. 21.926 34,600.131 ↓ 102.5 32,686 1

Hash Left Join (cost=118,238.79..170,033.68 rows=319 width=787) (actual time=33,872.038..34,600.131 rows=32,686 loops=1)

  • Hash Cond: (venue_competitor.competitor_id = competitor.competitor_id)
28. 22.096 34,578.134 ↓ 102.5 32,686 1

Nested Loop Left Join (cost=118,236.02..170,026.51 rows=319 width=781) (actual time=33,871.957..34,578.134 rows=32,686 loops=1)

29. 2.738 34,537.118 ↓ 126.1 3,784 1

Hash Left Join (cost=118,235.58..169,987.27 rows=30 width=752) (actual time=33,871.932..34,537.118 rows=3,784 loops=1)

  • Hash Cond: (venue_genre.genre_id = genre.genre_id)
30. 445.766 34,534.328 ↓ 126.1 3,784 1

Hash Right Join (cost=118,234.49..169,986.04 rows=30 width=724) (actual time=33,871.857..34,534.328 rows=3,784 loops=1)

  • Hash Cond: (place_properties.venue_id = venue.venue_id)
31. 426.744 426.744 ↑ 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..426.744 rows=1,654,177 loops=1)

32. 4.777 33,661.818 ↓ 129.9 3,378 1

Hash (cost=118,234.17..118,234.17 rows=26 width=579) (actual time=33,661.818..33,661.818 rows=3,378 loops=1)

  • Buckets: 4096 (originally 1024) Batches: 1 (originally 1) Memory Usage: 1802kB
33. 4.870 33,657.041 ↓ 129.9 3,378 1

Nested Loop Left Join (cost=95,365.13..118,234.17 rows=26 width=579) (actual time=33,346.421..33,657.041 rows=3,378 loops=1)

34. 4.264 33,646.557 ↓ 117.0 2,807 1

Nested Loop Left Join (cost=95,364.70..118,221.77 rows=24 width=575) (actual time=33,346.407..33,646.557 rows=2,807 loops=1)

35. 3.356 33,636.679 ↓ 117.0 2,807 1

Nested Loop Left Join (cost=95,364.27..118,210.72 rows=24 width=567) (actual time=33,346.390..33,636.679 rows=2,807 loops=1)

36. 3.524 33,630.516 ↓ 117.0 2,807 1

Nested Loop Left Join (cost=95,364.12..118,206.40 rows=24 width=539) (actual time=33,346.380..33,630.516 rows=2,807 loops=1)

37. 3.316 33,624.185 ↓ 117.0 2,807 1

Nested Loop Left Join (cost=95,363.97..118,202.26 rows=24 width=534) (actual time=33,346.373..33,624.185 rows=2,807 loops=1)

38. 3.821 33,618.062 ↓ 117.0 2,807 1

Nested Loop Left Join (cost=95,363.82..118,197.94 rows=24 width=506) (actual time=33,346.366..33,618.062 rows=2,807 loops=1)

39. 3.714 33,608.635 ↓ 116.8 2,803 1

Nested Loop Left Join (cost=95,363.39..118,186.32 rows=24 width=502) (actual time=33,346.350..33,608.635 rows=2,803 loops=1)

40. 3.189 33,602.118 ↓ 116.8 2,803 1

Nested Loop (cost=95,363.24..118,177.10 rows=24 width=470) (actual time=33,346.342..33,602.118 rows=2,803 loops=1)

41. 3.994 33,593.323 ↓ 116.8 2,803 1

Nested Loop (cost=95,362.84..118,166.27 rows=24 width=446) (actual time=33,346.330..33,593.323 rows=2,803 loops=1)

42. 57.140 33,580.920 ↓ 116.8 2,803 1

Merge Left Join (cost=95,362.41..117,963.29 rows=24 width=147) (actual time=33,346.296..33,580.920 rows=2,803 loops=1)

  • Merge Cond: (venue.venue_id = scores.venue_id)
43. 3.538 31,668.452 ↓ 116.8 2,803 1

Sort (cost=203.95..204.01 rows=24 width=143) (actual time=31,666.893..31,668.452 rows=2,803 loops=1)

  • Sort Key: venue.venue_id
  • Sort Method: quicksort Memory: 794kB
44. 3.414 31,664.914 ↓ 116.8 2,803 1

Nested Loop (cost=0.43..203.40 rows=24 width=143) (actual time=31,652.135..31,664.914 rows=2,803 loops=1)

45. 31,655.894 31,655.894 ↓ 116.8 2,803 1

CTE Scan on filtered_venues (cost=0.00..0.48 rows=24 width=16) (actual time=31,652.109..31,655.894 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. 111.339 1,855.328 ↓ 65.6 228,051 1

Materialize (cost=95,151.96..117,750.52 rows=3,475 width=12) (actual time=756.337..1,855.328 rows=228,051 loops=1)

48. 209.918 1,743.989 ↓ 65.6 228,051 1

Subquery Scan on scores (cost=95,151.96..117,741.83 rows=3,475 width=12) (actual time=756.333..1,743.989 rows=228,051 loops=1)

  • Filter: (scores."row" = 1)
  • Rows Removed by Filter: 458680
49. 475.192 1,534.071 ↑ 1.0 686,731 1

WindowAgg (cost=95,151.96..109,053.42 rows=695,073 width=20) (actual time=756.322..1,534.071 rows=686,731 loops=1)

50. 822.737 1,058.879 ↑ 1.0 686,731 1

Sort (cost=95,151.96..96,889.64 rows=695,073 width=20) (actual time=756.312..1,058.879 rows=686,731 loops=1)

  • Sort Key: venue_score.venue_id, venue_score.created_time DESC
  • Sort Method: external merge Disk: 20248kB
51. 236.142 236.142 ↑ 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..236.142 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 0.052 ↓ 14.2 57 1

Hash (cost=1.04..1.04 rows=4 width=36) (actual time=0.052..0.052 rows=57 loops=1)

  • Buckets: 1024 Batches: 1 Memory Usage: 11kB
62. 0.022 0.022 ↓ 14.2 57 1

Seq Scan on genre (cost=0.00..1.04 rows=4 width=36) (actual time=0.006..0.022 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. 0.036 0.071 ↓ 1.3 102 1

Hash (cost=1.79..1.79 rows=79 width=14) (actual time=0.071..0.071 rows=102 loops=1)

  • Buckets: 1024 Batches: 1 Memory Usage: 13kB
65. 0.035 0.035 ↓ 1.3 102 1

Seq Scan on competitor (cost=0.00..1.79 rows=79 width=14) (actual time=0.005..0.035 rows=102 loops=1)

66. 0.004 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. 0.005 0.005 ↑ 1.0 4 1

Seq Scan on number_of_classes (cost=0.00..1.04 rows=4 width=36) (actual time=0.003..0.005 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=16.40..20.42 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..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 : 4.672 ms
Execution time : 34,818.078 ms