explain.depesz.com

PostgreSQL's explain analyze made readable

Result: sUl : Optimization for: Optimization for: Optimization for: Optimization for: Optimization for: Optimization for: Optimization for: Optimization for: Optimization for: Optimization for: Optimization for: Optimization for: Optimization for: Optimization for: Optimization for: Optimization for: Optimization for: Optimization for: Optimization for: Optimization for: plan #gWgH; plan #lj5Ms; plan #B8eq; plan #Yty9; plan #Lheu; plan #27c; plan #qUXb; plan #6xFD; plan #YOFp; plan #tvR9; plan #vDLc; plan #4jS3; plan #a2yB; plan #elHgV; plan #6VaS; plan #o816; plan #hclw; plan #UZX; plan #XyN3; plan #WHzt

Settings

Optimization path:

Optimization(s) for this plan:

# exclusive inclusive rows x rows loops node
1. 0.114 77.204 ↑ 1.5 169 1

Limit (cost=29,201.78..29,334.91 rows=250 width=554) (actual time=59.370..77.204 rows=169 loops=1)

2. 17.804 77.090 ↑ 58.2 169 1

Result (cost=29,201.78..34,435.72 rows=9,829 width=554) (actual time=59.369..77.090 rows=169 loops=1)

3. 0.274 59.286 ↑ 58.2 169 1

Sort (cost=29,201.78..29,226.35 rows=9,829 width=557) (actual time=59.238..59.286 rows=169 loops=1)

  • Sort Key: lima_delta1.mike_seven
  • Sort Method: quicksort Memory: 187kB
4. 0.098 59.012 ↑ 58.2 169 1

Hash Left Join (cost=2,339.12..28,761.16 rows=9,829 width=557) (actual time=20.724..59.012 rows=169 loops=1)

  • Hash Cond: (echo_seven1.delta_kilo = alpha_seven1.quebec_seven)
5. 0.102 58.373 ↑ 58.2 169 1

Hash Left Join (cost=2,064.61..28,460.78 rows=9,829 width=1,134) (actual time=20.177..58.373 rows=169 loops=1)

  • Hash Cond: (echo_seven1.four_delta = kilo_foxtrot2.quebec_seven)
6. 0.199 57.804 ↑ 58.2 169 1

Nested Loop Left Join (cost=1,859.31..28,229.57 rows=9,829 width=1,073) (actual time=19.702..57.804 rows=169 loops=1)

7. 0.101 56.760 ↑ 57.6 169 1

Hash Left Join (cost=1,858.88..9,161.07 rows=9,727 width=1,049) (actual time=19.688..56.760 rows=169 loops=1)

  • Hash Cond: (lima_delta1.quebec_seven = zulu1.sierra_foxtrot)
8. 0.149 54.884 ↑ 57.6 169 1

Hash Left Join (cost=1,366.94..8,620.46 rows=9,727 width=382) (actual time=17.901..54.884 rows=169 loops=1)

  • Hash Cond: ((kilo_foxtrot1.quebec_seven = alpha_oscar1.uniform_bravo) AND (lima_delta1.juliet_hotel = alpha_oscar1.foxtrot_charlie))
9. 0.146 52.602 ↑ 57.6 169 1

Hash Left Join (cost=1,031.57..8,234.01 rows=9,727 width=354) (actual time=15.735..52.602 rows=169 loops=1)

  • Hash Cond: (lima_delta1.lima_echo = kilo_foxtrot1.quebec_seven)
10. 0.124 49.682 ↑ 57.6 169 1

Hash Left Join (cost=424.00..7,600.89 rows=9,727 width=295) (actual time=12.941..49.682 rows=169 loops=1)

  • Hash Cond: (lima_delta1.two = papa_kilo1.quebec_seven)
11. 0.091 37.067 ↑ 57.6 169 1

Hash Left Join (cost=80.87..7,232.21 rows=9,727 width=284) (actual time=0.436..37.067 rows=169 loops=1)

  • Hash Cond: (lima_delta1.four_sierra = romeo_three1.quebec_seven)
12. 0.091 36.964 ↑ 57.6 169 1

Hash Left Join (cost=79.58..7,197.07 rows=9,727 width=275) (actual time=0.419..36.964 rows=169 loops=1)

  • Hash Cond: (lima_delta1.juliet_hotel = uniform_delta1.quebec_seven)
13. 3.594 36.547 ↑ 57.6 169 1

Hash Left Join (cost=1.65..7,093.32 rows=9,727 width=179) (actual time=0.088..36.547 rows=169 loops=1)

  • Hash Cond: (lima_delta1.juliet_hotel = india1.quebec_hotel)
  • Filter: ((lima_delta1.juliet_hotel = 81) OR (india1.yankee_zulu = 81))
  • Rows Removed by Filter: 17,599
14. 32.940 32.940 ↑ 1.7 17,768 1

Index Scan using papa_yankee on foxtrot_romeo quebec_sierra (cost=0.56..6,975.07 rows=29,909 width=179) (actual time=0.028..32.940 rows=17,768 loops=1)

  • Index Cond: ((lima_romeo)::text = 'quebec_quebec'::text)
  • Filter: ((NOT papa_bravo) OR (papa_bravo five_romeo NULL))
  • Rows Removed by Filter: 9,402
15. 0.003 0.013 ↑ 1.0 3 1

Hash (cost=1.05..1.05 rows=3 width=16) (actual time=0.012..0.013 rows=3 loops=1)

  • Buckets: 1,024 Batches: 1 Memory Usage: 9kB
16. 0.010 0.010 ↑ 1.0 3 1

Seq Scan on hotel_three romeo_foxtrot (cost=0.00..1.05 rows=3 width=16) (actual time=0.007..0.010 rows=3 loops=1)

  • Filter: ((juliet_charlie)::text = 'kilo_papa'::text)
  • Rows Removed by Filter: 1
17. 0.105 0.326 ↑ 1.0 397 1

Hash (cost=72.97..72.97 rows=397 width=96) (actual time=0.325..0.326 rows=397 loops=1)

  • Buckets: 1,024 Batches: 1 Memory Usage: 58kB
18. 0.221 0.221 ↑ 1.0 397 1

Seq Scan on echo_zulu mike_quebec (cost=0.00..72.97 rows=397 width=96) (actual time=0.005..0.221 rows=397 loops=1)

19. 0.005 0.012 ↑ 1.0 13 1

Hash (cost=1.13..1.13 rows=13 width=25) (actual time=0.011..0.012 rows=13 loops=1)

  • Buckets: 1,024 Batches: 1 Memory Usage: 9kB
20. 0.007 0.007 ↑ 1.0 13 1

Seq Scan on tango four_uniform (cost=0.00..1.13 rows=13 width=25) (actual time=0.005..0.007 rows=13 loops=1)

21. 1.340 12.491 ↓ 1.0 8,167 1

Hash (cost=241.39..241.39 rows=8,139 width=27) (actual time=12.490..12.491 rows=8,167 loops=1)

  • Buckets: 8,192 Batches: 1 Memory Usage: 569kB
22. 11.151 11.151 ↓ 1.0 8,167 1

Seq Scan on golf uniform_romeo (cost=0.00..241.39 rows=8,139 width=27) (actual time=0.005..11.151 rows=8,167 loops=1)

23. 1.054 2.774 ↑ 1.0 5,181 1

Hash (cost=542.81..542.81 rows=5,181 width=67) (actual time=2.773..2.774 rows=5,181 loops=1)

  • Buckets: 8,192 Batches: 1 Memory Usage: 569kB
24. 1.720 1.720 ↑ 1.0 5,181 1

Seq Scan on sierra_three whiskey_six (cost=0.00..542.81 rows=5,181 width=67) (actual time=0.008..1.720 rows=5,181 loops=1)

25. 0.795 2.133 ↓ 1.0 5,539 1

Hash (cost=252.95..252.95 rows=5,495 width=52) (actual time=2.132..2.133 rows=5,539 loops=1)

  • Buckets: 8,192 Batches: 1 Memory Usage: 501kB
26. 1.338 1.338 ↓ 1.0 5,539 1

Seq Scan on delta_alpha five_xray (cost=0.00..252.95 rows=5,495 width=52) (actual time=0.015..1.338 rows=5,539 loops=1)

27. 0.711 1.775 ↑ 1.0 2,541 1

Hash (cost=459.75..459.75 rows=2,575 width=675) (actual time=1.774..1.775 rows=2,541 loops=1)

  • Buckets: 4,096 Batches: 1 Memory Usage: 1,354kB
28. 1.064 1.064 ↑ 1.0 2,541 1

Seq Scan on juliet_november romeo_kilo (cost=0.00..459.75 rows=2,575 width=675) (actual time=0.006..1.064 rows=2,541 loops=1)

29. 0.845 0.845 ↑ 1.0 1 169

Index Scan using charlie on uniform_kilo victor (cost=0.43..1.95 rows=1 width=32) (actual time=0.005..0.005 rows=1 loops=169)

  • Index Cond: (sierra_foxtrot = lima_delta1.quebec_seven)
30. 0.126 0.467 ↑ 1.0 902 1

Hash (cost=194.02..194.02 rows=902 width=69) (actual time=0.466..0.467 rows=902 loops=1)

  • Buckets: 1,024 Batches: 1 Memory Usage: 98kB
31. 0.341 0.341 ↑ 1.0 902 1

Seq Scan on oscar yankee_xray (cost=0.00..194.02 rows=902 width=69) (actual time=0.006..0.341 rows=902 loops=1)

32. 0.161 0.541 ↓ 1.0 1,193 1

Hash (cost=259.78..259.78 rows=1,178 width=41) (actual time=0.540..0.541 rows=1,193 loops=1)

  • Buckets: 2,048 Batches: 1 Memory Usage: 107kB
33. 0.380 0.380 ↓ 1.0 1,193 1

Seq Scan on whiskey_tango hotel_golf (cost=0.00..259.78 rows=1,178 width=41) (actual time=0.005..0.380 rows=1,193 loops=1)

Planning time : 16.532 ms
Execution time : 77.425 ms