explain.depesz.com

PostgreSQL's explain analyze made readable

Result: XHT8

Settings

Optimization(s) for this plan:

# exclusive inclusive rows x rows loops node
1. 0.011 46.248 ↑ 2.7 93 1

Limit (cost=29,202.93..29,333.55 rows=250 width=554) (actual time=44.708..46.248 rows=93 loops=1)

2. 1.610 46.237 ↑ 105.7 93 1

Result (cost=29,202.93..34,338.58 rows=9,829 width=554) (actual time=44.707..46.237 rows=93 loops=1)

3. 0.125 44.627 ↑ 105.7 93 1

Sort (cost=29,202.93..29,227.50 rows=9,829 width=557) (actual time=44.608..44.627 rows=93 loops=1)

  • Sort Key: lima_delta1.mike_seven
  • Sort Method: quicksort Memory: 116kB
4. 0.057 44.502 ↑ 105.7 93 1

Hash Left Join (cost=2,338.12..28,762.30 rows=9,829 width=557) (actual time=11.057..44.502 rows=93 loops=1)

  • Hash Cond: (echo_seven1.delta_kilo = alpha_seven1.quebec_seven)
5. 0.062 43.617 ↑ 105.7 93 1

Hash Left Join (cost=2,063.61..28,461.93 rows=9,829 width=1,134) (actual time=10.219..43.617 rows=93 loops=1)

  • Hash Cond: (echo_seven1.four_delta = kilo_foxtrot2.quebec_seven)
6. 0.097 42.850 ↑ 105.7 93 1

Nested Loop Left Join (cost=1,859.31..28,231.71 rows=9,829 width=1,073) (actual time=9.504..42.850 rows=93 loops=1)

7. 0.065 42.288 ↑ 104.6 93 1

Hash Left Join (cost=1,858.88..9,161.07 rows=9,727 width=1,049) (actual time=9.487..42.288 rows=93 loops=1)

  • Hash Cond: (lima_delta1.quebec_seven = zulu1.sierra_foxtrot)
8. 0.089 40.426 ↑ 104.6 93 1

Hash Left Join (cost=1,366.94..8,620.46 rows=9,727 width=382) (actual time=7.678..40.426 rows=93 loops=1)

  • Hash Cond: ((kilo_foxtrot1.quebec_seven = alpha_oscar1.uniform_bravo) AND (lima_delta1.juliet_hotel = alpha_oscar1.foxtrot_charlie))
9. 0.083 38.116 ↑ 104.6 93 1

Hash Left Join (cost=1,031.57..8,234.01 rows=9,727 width=354) (actual time=5.436..38.116 rows=93 loops=1)

  • Hash Cond: (lima_delta1.lima_echo = kilo_foxtrot1.quebec_seven)
10. 0.077 35.478 ↑ 104.6 93 1

Hash Left Join (cost=424.00..7,600.89 rows=9,727 width=295) (actual time=2.862..35.478 rows=93 loops=1)

  • Hash Cond: (lima_delta1.two = papa_kilo1.quebec_seven)
11. 0.052 32.854 ↑ 104.6 93 1

Hash Left Join (cost=80.87..7,232.21 rows=9,727 width=284) (actual time=0.303..32.854 rows=93 loops=1)

  • Hash Cond: (lima_delta1.four_sierra = romeo_three1.quebec_seven)
12. 0.052 32.794 ↑ 104.6 93 1

Hash Left Join (cost=79.58..7,197.07 rows=9,727 width=275) (actual time=0.291..32.794 rows=93 loops=1)

  • Hash Cond: (lima_delta1.juliet_hotel = uniform_delta1.quebec_seven)
13. 2.941 32.515 ↑ 104.6 93 1

Hash Left Join (cost=1.65..7,093.32 rows=9,727 width=179) (actual time=0.062..32.515 rows=93 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: 17,526
14. 29.564 29.564 ↑ 1.7 17,619 1

Index Scan using papa_yankee on foxtrot_romeo quebec_sierra (cost=0.56..6,975.07 rows=29,909 width=179) (actual time=0.019..29.564 rows=17,619 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. 0.002 0.010 ↑ 1.0 3 1

Hash (cost=1.05..1.05 rows=3 width=16) (actual time=0.009..0.010 rows=3 loops=1)

  • Buckets: 1,024 Batches: 1 Memory Usage: 9kB
16. 0.008 0.008 ↑ 1.0 3 1

Seq Scan on hotel_three romeo_foxtrot (cost=0.00..1.05 rows=3 width=16) (actual time=0.006..0.008 rows=3 loops=1)

  • Filter: ((juliet_charlie)::text = 'kilo_papa'::text)
  • Rows Removed by Filter: 1
17. 0.060 0.227 ↑ 1.0 397 1

Hash (cost=72.97..72.97 rows=397 width=96) (actual time=0.226..0.227 rows=397 loops=1)

  • Buckets: 1,024 Batches: 1 Memory Usage: 58kB
18. 0.167 0.167 ↑ 1.0 397 1

Seq Scan on echo_zulu mike_quebec (cost=0.00..72.97 rows=397 width=96) (actual time=0.004..0.167 rows=397 loops=1)

19. 0.003 0.008 ↑ 1.0 13 1

Hash (cost=1.13..1.13 rows=13 width=25) (actual time=0.008..0.008 rows=13 loops=1)

  • Buckets: 1,024 Batches: 1 Memory Usage: 9kB
20. 0.005 0.005 ↑ 1.0 13 1

Seq Scan on tango four_uniform (cost=0.00..1.13 rows=13 width=25) (actual time=0.003..0.005 rows=13 loops=1)

21. 1.098 2.547 ↓ 1.0 8,167 1

Hash (cost=241.39..241.39 rows=8,139 width=27) (actual time=2.546..2.547 rows=8,167 loops=1)

  • Buckets: 8,192 Batches: 1 Memory Usage: 569kB
22. 1.449 1.449 ↓ 1.0 8,167 1

Seq Scan on golf uniform_romeo (cost=0.00..241.39 rows=8,139 width=27) (actual time=0.003..1.449 rows=8,167 loops=1)

23. 0.830 2.555 ↑ 1.0 5,181 1

Hash (cost=542.81..542.81 rows=5,181 width=67) (actual time=2.555..2.555 rows=5,181 loops=1)

  • Buckets: 8,192 Batches: 1 Memory Usage: 569kB
24. 1.725 1.725 ↑ 1.0 5,181 1

Seq Scan on sierra_three whiskey_six (cost=0.00..542.81 rows=5,181 width=67) (actual time=0.006..1.725 rows=5,181 loops=1)

25. 0.876 2.221 ↓ 1.0 5,539 1

Hash (cost=252.95..252.95 rows=5,495 width=52) (actual time=2.221..2.221 rows=5,539 loops=1)

  • Buckets: 8,192 Batches: 1 Memory Usage: 501kB
26. 1.345 1.345 ↓ 1.0 5,539 1

Seq Scan on delta_alpha five_xray (cost=0.00..252.95 rows=5,495 width=52) (actual time=0.007..1.345 rows=5,539 loops=1)

27. 0.762 1.797 ↑ 1.0 2,541 1

Hash (cost=459.75..459.75 rows=2,575 width=675) (actual time=1.797..1.797 rows=2,541 loops=1)

  • Buckets: 4,096 Batches: 1 Memory Usage: 1,354kB
28. 1.035 1.035 ↑ 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..1.035 rows=2,541 loops=1)

29. 0.465 0.465 ↑ 1.0 1 93

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=93)

  • Index Cond: (sierra_foxtrot = lima_delta1.quebec_seven)
30. 0.224 0.705 ↑ 1.0 902 1

Hash (cost=193.02..193.02 rows=902 width=69) (actual time=0.705..0.705 rows=902 loops=1)

  • Buckets: 1,024 Batches: 1 Memory Usage: 98kB
31. 0.481 0.481 ↑ 1.0 902 1

Seq Scan on oscar yankee_xray (cost=0.00..193.02 rows=902 width=69) (actual time=0.006..0.481 rows=902 loops=1)

32. 0.299 0.828 ↓ 1.0 1,193 1

Hash (cost=259.78..259.78 rows=1,178 width=41) (actual time=0.827..0.828 rows=1,193 loops=1)

  • Buckets: 2,048 Batches: 1 Memory Usage: 107kB
33. 0.529 0.529 ↓ 1.0 1,193 1

Seq Scan on whiskey_tango hotel_golf (cost=0.00..259.78 rows=1,178 width=41) (actual time=0.007..0.529 rows=1,193 loops=1)

Planning time : 14.630 ms
Execution time : 46.389 ms