explain.depesz.com

PostgreSQL's explain analyze made readable

Result: Yty9 : Optimization for: Optimization for: Optimization for: plan #gWgH; plan #lj5Ms; plan #B8eq

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Optimization path:

Optimization(s) for this plan:

# exclusive inclusive rows x rows loops node
1. 0.023 51.475 ↑ 1.5 169 1

Limit (cost=29,201.78..29,332.41 rows=250 width=554) (actual time=47.131..51.475 rows=169 loops=1)

2. 4.412 51.452 ↑ 58.2 169 1

Result (cost=29,201.78..34,337.43 rows=9,829 width=554) (actual time=47.130..51.452 rows=169 loops=1)

3. 0.223 47.040 ↑ 58.2 169 1

Sort (cost=29,201.78..29,226.35 rows=9,829 width=557) (actual time=47.002..47.040 rows=169 loops=1)

  • Sort Key: lima_delta1.mike_seven, lima_delta1.november
  • Sort Method: quicksort Memory: 187kB
4. 0.083 46.817 ↑ 58.2 169 1

Hash Left Join (cost=2,339.12..28,761.16 rows=9,829 width=557) (actual time=11.944..46.817 rows=169 loops=1)

  • Hash Cond: (echo_seven1.delta_kilo = alpha_seven1.quebec_seven)
5. 0.091 45.916 ↑ 58.2 169 1

Hash Left Join (cost=2,064.61..28,460.78 rows=9,829 width=1,134) (actual time=11.116..45.916 rows=169 loops=1)

  • Hash Cond: (echo_seven1.four_delta = kilo_foxtrot2.quebec_seven)
6. 0.177 45.068 ↑ 58.2 169 1

Nested Loop Left Join (cost=1,859.31..28,229.57 rows=9,829 width=1,073) (actual time=10.350..45.068 rows=169 loops=1)

7. 0.088 44.215 ↑ 57.6 169 1

Hash Left Join (cost=1,858.88..9,161.07 rows=9,727 width=1,049) (actual time=10.337..44.215 rows=169 loops=1)

  • Hash Cond: (lima_delta1.quebec_seven = zulu1.sierra_foxtrot)
8. 0.121 41.989 ↑ 57.6 169 1

Hash Left Join (cost=1,366.94..8,620.46 rows=9,727 width=382) (actual time=8.185..41.989 rows=169 loops=1)

  • Hash Cond: ((kilo_foxtrot1.quebec_seven = alpha_oscar1.uniform_bravo) AND (lima_delta1.juliet_hotel = alpha_oscar1.foxtrot_charlie))
9. 0.117 39.479 ↑ 57.6 169 1

Hash Left Join (cost=1,031.57..8,234.01 rows=9,727 width=354) (actual time=5.778..39.479 rows=169 loops=1)

  • Hash Cond: (lima_delta1.lima_echo = kilo_foxtrot1.quebec_seven)
10. 0.108 36.630 ↑ 57.6 169 1

Hash Left Join (cost=424.00..7,600.89 rows=9,727 width=295) (actual time=3.028..36.630 rows=169 loops=1)

  • Hash Cond: (lima_delta1.two = papa_kilo1.quebec_seven)
11. 0.081 33.805 ↑ 57.6 169 1

Hash Left Join (cost=80.87..7,232.21 rows=9,727 width=284) (actual time=0.298..33.805 rows=169 loops=1)

  • Hash Cond: (lima_delta1.four_sierra = romeo_three1.quebec_seven)
12. 0.078 33.716 ↑ 57.6 169 1

Hash Left Join (cost=79.58..7,197.07 rows=9,727 width=275) (actual time=0.288..33.716 rows=169 loops=1)

  • Hash Cond: (lima_delta1.juliet_hotel = uniform_delta1.quebec_seven)
13. 3.205 33.411 ↑ 57.6 169 1

Hash Left Join (cost=1.65..7,093.32 rows=9,727 width=179) (actual time=0.058..33.411 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: 17,633
14. 30.197 30.197 ↑ 1.7 17,802 1

Index Scan using papa_yankee on foxtrot_romeo quebec_sierra (cost=0.56..6,975.07 rows=29,909 width=179) (actual time=0.023..30.197 rows=17,802 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 0.009 ↑ 1.0 3 1

Hash (cost=1.05..1.05 rows=3 width=16) (actual time=0.008..0.009 rows=3 loops=1)

  • Buckets: 1,024 Batches: 1 Memory Usage: 9kB
16. 0.007 0.007 ↑ 1.0 3 1

Seq Scan on hotel_three romeo_foxtrot (cost=0.00..1.05 rows=3 width=16) (actual time=0.005..0.007 rows=3 loops=1)

  • Filter: ((juliet_charlie)::text = 'kilo_papa'::text)
  • Rows Removed by Filter: 1
17. 0.058 0.227 ↑ 1.0 397 1

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

  • Buckets: 1,024 Batches: 1 Memory Usage: 58kB
18. 0.169 0.169 ↑ 1.0 397 1

Seq Scan on echo_zulu mike_quebec (cost=0.00..72.97 rows=397 width=96) (actual time=0.004..0.169 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=0.007..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. 1.125 2.717 ↓ 1.0 8,167 1

Hash (cost=241.39..241.39 rows=8,139 width=27) (actual time=2.717..2.717 rows=8,167 loops=1)

  • Buckets: 8,192 Batches: 1 Memory Usage: 569kB
22. 1.592 1.592 ↓ 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..1.592 rows=8,167 loops=1)

23. 0.865 2.732 ↑ 1.0 5,181 1

Hash (cost=542.81..542.81 rows=5,181 width=67) (actual time=2.731..2.732 rows=5,181 loops=1)

  • Buckets: 8,192 Batches: 1 Memory Usage: 569kB
24. 1.867 1.867 ↑ 1.0 5,181 1

Seq Scan on sierra_three whiskey_six (cost=0.00..542.81 rows=5,181 width=67) (actual time=0.007..1.867 rows=5,181 loops=1)

25. 0.866 2.389 ↓ 1.0 5,539 1

Hash (cost=252.95..252.95 rows=5,495 width=52) (actual time=2.388..2.389 rows=5,539 loops=1)

  • Buckets: 8,192 Batches: 1 Memory Usage: 501kB
26. 1.523 1.523 ↓ 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..1.523 rows=5,539 loops=1)

27. 0.940 2.138 ↑ 1.0 2,541 1

Hash (cost=459.75..459.75 rows=2,575 width=675) (actual time=2.138..2.138 rows=2,541 loops=1)

  • Buckets: 4,096 Batches: 1 Memory Usage: 1,354kB
28. 1.198 1.198 ↑ 1.0 2,541 1

Seq Scan on juliet_november romeo_kilo (cost=0.00..459.75 rows=2,575 width=675) (actual time=0.007..1.198 rows=2,541 loops=1)

29. 0.676 0.676 ↑ 1.0 1 169

Index Scan using charlie on uniform_kilo victor (cost=0.43..1.95 rows=1 width=32) (actual time=0.004..0.004 rows=1 loops=169)

  • Index Cond: (sierra_foxtrot = lima_delta1.quebec_seven)
30. 0.230 0.757 ↑ 1.0 902 1

Hash (cost=194.02..194.02 rows=902 width=69) (actual time=0.756..0.757 rows=902 loops=1)

  • Buckets: 1,024 Batches: 1 Memory Usage: 98kB
31. 0.527 0.527 ↑ 1.0 902 1

Seq Scan on oscar yankee_xray (cost=0.00..194.02 rows=902 width=69) (actual time=0.006..0.527 rows=902 loops=1)

32. 0.283 0.818 ↓ 1.0 1,193 1

Hash (cost=259.78..259.78 rows=1,178 width=41) (actual time=0.817..0.818 rows=1,193 loops=1)

  • Buckets: 2,048 Batches: 1 Memory Usage: 107kB
33. 0.535 0.535 ↓ 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..0.535 rows=1,193 loops=1)

Planning time : 11.750 ms
Execution time : 51.630 ms