explain.depesz.com

PostgreSQL's explain analyze made readable

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

Settings

Optimization path:

Optimization(s) for this plan:

# exclusive inclusive rows x rows loops node
1. 0.021 52.057 ↑ 1.5 166 1

Limit (cost=29,201.78..29,332.41 rows=250 width=554) (actual time=47.457..52.057 rows=166 loops=1)

2. 4.680 52.036 ↑ 59.2 166 1

Result (cost=29,201.78..34,337.43 rows=9,829 width=554) (actual time=47.456..52.036 rows=166 loops=1)

3. 0.217 47.356 ↑ 59.2 166 1

Sort (cost=29,201.78..29,226.35 rows=9,829 width=557) (actual time=47.324..47.356 rows=166 loops=1)

  • Sort Key: lima_delta1.mike_seven, lima_delta1.november
  • Sort Method: quicksort Memory: 184kB
4. 0.086 47.139 ↑ 59.2 166 1

Hash Left Join (cost=2,339.12..28,761.16 rows=9,829 width=557) (actual time=14.907..47.139 rows=166 loops=1)

  • Hash Cond: (echo_seven1.delta_kilo = alpha_seven1.quebec_seven)
5. 0.096 46.220 ↑ 59.2 166 1

Hash Left Join (cost=2,064.61..28,460.78 rows=9,829 width=1,134) (actual time=14.065..46.220 rows=166 loops=1)

  • Hash Cond: (echo_seven1.four_delta = kilo_foxtrot2.quebec_seven)
6. 0.079 45.398 ↑ 59.2 166 1

Nested Loop Left Join (cost=1,859.31..28,229.57 rows=9,829 width=1,073) (actual time=13.330..45.398 rows=166 loops=1)

7. 0.096 44.489 ↑ 58.6 166 1

Hash Left Join (cost=1,858.88..9,161.07 rows=9,727 width=1,049) (actual time=13.313..44.489 rows=166 loops=1)

  • Hash Cond: (lima_delta1.quebec_seven = zulu1.sierra_foxtrot)
8. 0.126 42.184 ↑ 58.6 166 1

Hash Left Join (cost=1,366.94..8,620.46 rows=9,727 width=382) (actual time=11.091..42.184 rows=166 loops=1)

  • Hash Cond: ((kilo_foxtrot1.quebec_seven = alpha_oscar1.uniform_bravo) AND (lima_delta1.juliet_hotel = alpha_oscar1.foxtrot_charlie))
9. 0.114 38.748 ↑ 58.6 166 1

Hash Left Join (cost=1,031.57..8,234.01 rows=9,727 width=354) (actual time=7.762..38.748 rows=166 loops=1)

  • Hash Cond: (lima_delta1.lima_echo = kilo_foxtrot1.quebec_seven)
10. 0.113 34.931 ↑ 58.6 166 1

Hash Left Join (cost=424.00..7,600.89 rows=9,727 width=295) (actual time=4.040..34.931 rows=166 loops=1)

  • Hash Cond: (lima_delta1.two = papa_kilo1.quebec_seven)
11. 0.086 31.134 ↑ 58.6 166 1

Hash Left Join (cost=80.87..7,232.21 rows=9,727 width=284) (actual time=0.343..31.134 rows=166 loops=1)

  • Hash Cond: (lima_delta1.four_sierra = romeo_three1.quebec_seven)
12. 0.079 31.036 ↑ 58.6 166 1

Hash Left Join (cost=79.58..7,197.07 rows=9,727 width=275) (actual time=0.325..31.036 rows=166 loops=1)

  • Hash Cond: (lima_delta1.juliet_hotel = uniform_delta1.quebec_seven)
13. 2.564 30.706 ↑ 58.6 166 1

Hash Left Join (cost=1.65..7,093.32 rows=9,727 width=179) (actual time=0.070..30.706 rows=166 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: 17,631
14. 28.131 28.131 ↑ 1.7 17,797 1

Index Scan using papa_yankee on foxtrot_romeo quebec_sierra (cost=0.56..6,975.07 rows=29,909 width=179) (actual time=0.032..28.131 rows=17,797 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 0.011 ↑ 1.0 3 1

Hash (cost=1.05..1.05 rows=3 width=16) (actual time=0.011..0.011 rows=3 loops=1)

  • Buckets: 1,024 Batches: 1 Memory Usage: 9kB
16. 0.009 0.009 ↑ 1.0 3 1

Seq Scan on hotel_three romeo_foxtrot (cost=0.00..1.05 rows=3 width=16) (actual time=0.007..0.009 rows=3 loops=1)

  • Filter: ((juliet_charlie)::text = 'kilo_papa'::text)
  • Rows Removed by Filter: 1
17. 0.065 0.251 ↑ 1.0 397 1

Hash (cost=72.97..72.97 rows=397 width=96) (actual time=0.250..0.251 rows=397 loops=1)

  • Buckets: 1,024 Batches: 1 Memory Usage: 58kB
18. 0.186 0.186 ↑ 1.0 397 1

Seq Scan on echo_zulu mike_quebec (cost=0.00..72.97 rows=397 width=96) (actual time=0.004..0.186 rows=397 loops=1)

19. 0.004 0.012 ↑ 1.0 13 1

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

  • Buckets: 1,024 Batches: 1 Memory Usage: 9kB
20. 0.008 0.008 ↑ 1.0 13 1

Seq Scan on tango four_uniform (cost=0.00..1.13 rows=13 width=25) (actual time=0.006..0.008 rows=13 loops=1)

21. 1.593 3.684 ↓ 1.0 8,167 1

Hash (cost=241.39..241.39 rows=8,139 width=27) (actual time=3.683..3.684 rows=8,167 loops=1)

  • Buckets: 8,192 Batches: 1 Memory Usage: 569kB
22. 2.091 2.091 ↓ 1.0 8,167 1

Seq Scan on golf uniform_romeo (cost=0.00..241.39 rows=8,139 width=27) (actual time=0.004..2.091 rows=8,167 loops=1)

23. 1.310 3.703 ↑ 1.0 5,181 1

Hash (cost=542.81..542.81 rows=5,181 width=67) (actual time=3.702..3.703 rows=5,181 loops=1)

  • Buckets: 8,192 Batches: 1 Memory Usage: 569kB
24. 2.393 2.393 ↑ 1.0 5,181 1

Seq Scan on sierra_three whiskey_six (cost=0.00..542.81 rows=5,181 width=67) (actual time=0.009..2.393 rows=5,181 loops=1)

25. 1.430 3.310 ↓ 1.0 5,539 1

Hash (cost=252.95..252.95 rows=5,495 width=52) (actual time=3.309..3.310 rows=5,539 loops=1)

  • Buckets: 8,192 Batches: 1 Memory Usage: 501kB
26. 1.880 1.880 ↓ 1.0 5,539 1

Seq Scan on delta_alpha five_xray (cost=0.00..252.95 rows=5,495 width=52) (actual time=0.010..1.880 rows=5,539 loops=1)

27. 1.014 2.209 ↑ 1.0 2,541 1

Hash (cost=459.75..459.75 rows=2,575 width=675) (actual time=2.208..2.209 rows=2,541 loops=1)

  • Buckets: 4,096 Batches: 1 Memory Usage: 1,354kB
28. 1.195 1.195 ↑ 1.0 2,541 1

Seq Scan on juliet_november romeo_kilo (cost=0.00..459.75 rows=2,575 width=675) (actual time=0.008..1.195 rows=2,541 loops=1)

29. 0.830 0.830 ↑ 1.0 1 166

Index Scan using charlie on uniform_kilo victor (cost=0.43..1.95 rows=1 width=32) (actual time=0.004..0.005 rows=1 loops=166)

  • Index Cond: (sierra_foxtrot = lima_delta1.quebec_seven)
30. 0.214 0.726 ↑ 1.0 902 1

Hash (cost=194.02..194.02 rows=902 width=69) (actual time=0.726..0.726 rows=902 loops=1)

  • Buckets: 1,024 Batches: 1 Memory Usage: 98kB
31. 0.512 0.512 ↑ 1.0 902 1

Seq Scan on oscar yankee_xray (cost=0.00..194.02 rows=902 width=69) (actual time=0.007..0.512 rows=902 loops=1)

32. 0.299 0.833 ↓ 1.0 1,193 1

Hash (cost=259.78..259.78 rows=1,178 width=41) (actual time=0.832..0.833 rows=1,193 loops=1)

  • Buckets: 2,048 Batches: 1 Memory Usage: 107kB
33. 0.534 0.534 ↓ 1.0 1,193 1

Seq Scan on whiskey_tango hotel_golf (cost=0.00..259.78 rows=1,178 width=41) (actual time=0.008..0.534 rows=1,193 loops=1)

Planning time : 10.654 ms
Execution time : 52.218 ms