explain.depesz.com

PostgreSQL's explain analyze made readable

Result: WHzt : 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

Settings

Optimization path:

Optimization(s) for this plan:

# exclusive inclusive rows x rows loops node
1. 0.017 44.079 ↑ 1.5 169 1

Limit (cost=29,201.78..29,332.41 rows=250 width=554) (actual time=41.409..44.079 rows=169 loops=1)

2. 2.725 44.062 ↑ 58.2 169 1

Result (cost=29,201.78..34,337.43 rows=9,829 width=554) (actual time=41.408..44.062 rows=169 loops=1)

3. 0.173 41.337 ↑ 58.2 169 1

Sort (cost=29,201.78..29,226.35 rows=9,829 width=557) (actual time=41.310..41.337 rows=169 loops=1)

  • Sort Key: lima_delta1.mike_seven
  • Sort Method: quicksort Memory: 187kB
4. 0.071 41.164 ↑ 58.2 169 1

Hash Left Join (cost=2,339.12..28,761.16 rows=9,829 width=557) (actual time=14.640..41.164 rows=169 loops=1)

  • Hash Cond: (echo_seven1.delta_kilo = alpha_seven1.quebec_seven)
5. 0.075 40.499 ↑ 58.2 169 1

Hash Left Join (cost=2,064.61..28,460.78 rows=9,829 width=1,134) (actual time=14.038..40.499 rows=169 loops=1)

  • Hash Cond: (echo_seven1.four_delta = kilo_foxtrot2.quebec_seven)
6. 0.034 39.902 ↑ 58.2 169 1

Nested Loop Left Join (cost=1,859.31..28,229.57 rows=9,829 width=1,073) (actual time=13.507..39.902 rows=169 loops=1)

7. 0.078 39.192 ↑ 57.6 169 1

Hash Left Join (cost=1,858.88..9,161.07 rows=9,727 width=1,049) (actual time=13.494..39.192 rows=169 loops=1)

  • Hash Cond: (lima_delta1.quebec_seven = zulu1.sierra_foxtrot)
8. 0.108 37.251 ↑ 57.6 169 1

Hash Left Join (cost=1,366.94..8,620.46 rows=9,727 width=382) (actual time=11.619..37.251 rows=169 loops=1)

  • Hash Cond: ((kilo_foxtrot1.quebec_seven = alpha_oscar1.uniform_bravo) AND (lima_delta1.juliet_hotel = alpha_oscar1.foxtrot_charlie))
9. 0.098 33.864 ↑ 57.6 169 1

Hash Left Join (cost=1,031.57..8,234.01 rows=9,727 width=354) (actual time=8.319..33.864 rows=169 loops=1)

  • Hash Cond: (lima_delta1.lima_echo = kilo_foxtrot1.quebec_seven)
10. 0.094 30.083 ↑ 57.6 169 1

Hash Left Join (cost=424.00..7,600.89 rows=9,727 width=295) (actual time=4.617..30.083 rows=169 loops=1)

  • Hash Cond: (lima_delta1.two = papa_kilo1.quebec_seven)
11. 0.069 25.832 ↑ 57.6 169 1

Hash Left Join (cost=80.87..7,232.21 rows=9,727 width=284) (actual time=0.445..25.832 rows=169 loops=1)

  • Hash Cond: (lima_delta1.four_sierra = romeo_three1.quebec_seven)
12. 0.064 25.750 ↑ 57.6 169 1

Hash Left Join (cost=79.58..7,197.07 rows=9,727 width=275) (actual time=0.426..25.750 rows=169 loops=1)

  • Hash Cond: (lima_delta1.juliet_hotel = uniform_delta1.quebec_seven)
13. 1.816 25.350 ↑ 57.6 169 1

Hash Left Join (cost=1.65..7,093.32 rows=9,727 width=179) (actual time=0.084..25.350 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: 17,616
14. 23.510 23.510 ↑ 1.7 17,785 1

Index Scan using papa_yankee on foxtrot_romeo quebec_sierra (cost=0.56..6,975.07 rows=29,909 width=179) (actual time=0.031..23.510 rows=17,785 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. 0.004 0.024 ↑ 1.0 3 1

Hash (cost=1.05..1.05 rows=3 width=16) (actual time=0.023..0.024 rows=3 loops=1)

  • Buckets: 1,024 Batches: 1 Memory Usage: 9kB
16. 0.020 0.020 ↑ 1.0 3 1

Seq Scan on hotel_three romeo_foxtrot (cost=0.00..1.05 rows=3 width=16) (actual time=0.006..0.020 rows=3 loops=1)

  • Filter: ((juliet_charlie)::text = 'kilo_papa'::text)
  • Rows Removed by Filter: 1
17. 0.105 0.336 ↑ 1.0 397 1

Hash (cost=72.97..72.97 rows=397 width=96) (actual time=0.336..0.336 rows=397 loops=1)

  • Buckets: 1,024 Batches: 1 Memory Usage: 58kB
18. 0.231 0.231 ↑ 1.0 397 1

Seq Scan on echo_zulu mike_quebec (cost=0.00..72.97 rows=397 width=96) (actual time=0.005..0.231 rows=397 loops=1)

19. 0.005 0.013 ↑ 1.0 13 1

Hash (cost=1.13..1.13 rows=13 width=25) (actual time=0.013..0.013 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. 1.799 4.157 ↓ 1.0 8,167 1

Hash (cost=241.39..241.39 rows=8,139 width=27) (actual time=4.157..4.157 rows=8,167 loops=1)

  • Buckets: 8,192 Batches: 1 Memory Usage: 569kB
22. 2.358 2.358 ↓ 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..2.358 rows=8,167 loops=1)

23. 1.274 3.683 ↑ 1.0 5,181 1

Hash (cost=542.81..542.81 rows=5,181 width=67) (actual time=3.682..3.683 rows=5,181 loops=1)

  • Buckets: 8,192 Batches: 1 Memory Usage: 569kB
24. 2.409 2.409 ↑ 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..2.409 rows=5,181 loops=1)

25. 1.417 3.279 ↓ 1.0 5,539 1

Hash (cost=252.95..252.95 rows=5,495 width=52) (actual time=3.278..3.279 rows=5,539 loops=1)

  • Buckets: 8,192 Batches: 1 Memory Usage: 501kB
26. 1.862 1.862 ↓ 1.0 5,539 1

Seq Scan on delta_alpha five_xray (cost=0.00..252.95 rows=5,495 width=52) (actual time=0.009..1.862 rows=5,539 loops=1)

27. 0.775 1.863 ↑ 1.0 2,541 1

Hash (cost=459.75..459.75 rows=2,575 width=675) (actual time=1.862..1.863 rows=2,541 loops=1)

  • Buckets: 4,096 Batches: 1 Memory Usage: 1,354kB
28. 1.088 1.088 ↑ 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..1.088 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=0.003..0.004 rows=1 loops=169)

  • Index Cond: (sierra_foxtrot = lima_delta1.quebec_seven)
30. 0.155 0.522 ↑ 1.0 902 1

Hash (cost=194.02..194.02 rows=902 width=69) (actual time=0.521..0.522 rows=902 loops=1)

  • Buckets: 1,024 Batches: 1 Memory Usage: 98kB
31. 0.367 0.367 ↑ 1.0 902 1

Seq Scan on oscar yankee_xray (cost=0.00..194.02 rows=902 width=69) (actual time=0.005..0.367 rows=902 loops=1)

32. 0.182 0.594 ↓ 1.0 1,193 1

Hash (cost=259.78..259.78 rows=1,178 width=41) (actual time=0.593..0.594 rows=1,193 loops=1)

  • Buckets: 2,048 Batches: 1 Memory Usage: 107kB
33. 0.412 0.412 ↓ 1.0 1,193 1

Seq Scan on whiskey_tango hotel_golf (cost=0.00..259.78 rows=1,178 width=41) (actual time=0.006..0.412 rows=1,193 loops=1)

Planning time : 15.819 ms
Execution time : 44.298 ms