explain.depesz.com

PostgreSQL's explain analyze made readable

Result: yWnq

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Optimization(s) for this plan:

# exclusive inclusive rows x rows loops node
1. 0.011 49.746 ↑ 2.6 97 1

Limit (cost=34,426.90..34,444.40 rows=250 width=554) (actual time=49.626..49.746 rows=97 loops=1)

2. 0.091 49.735 ↑ 101.3 97 1

Unique (cost=34,426.90..35,114.93 rows=9,829 width=554) (actual time=49.625..49.735 rows=97 loops=1)

3. 0.159 49.644 ↑ 101.3 97 1

Sort (cost=34,426.90..34,451.47 rows=9,829 width=554) (actual time=49.624..49.644 rows=97 loops=1)

  • Sort Key: lima_delta1.quebec_seven, lima_delta1.juliet_delta, lima_delta1.oscar_four, lima_delta1.november_seven, lima_delta1.mike_seven, lima_delta1.foxtrot_bravo, lima_delta1.golf_echo, lima_delta1.zulu_alpha, lima_delta1.november_romeo, romeo_three1.three, romeo_three1.six_xray, kilo_foxtrot1.quebec_seven, kilo_foxtrot1.juliet_delta, kilo_foxtrot1.three, kilo_foxtrot2.quebec_seven, kilo_foxtrot2.juliet_delta, kilo_foxtrot2.three, alpha_seven1.three, alpha_seven1.yankee_tango, uniform_delta1.quebec_seven, uniform_delta1.juliet_delta, uniform_delta1.three, papa_kilo1.whiskey_zulu, echo_seven1.victor_five, ((zulu_uniform1.oscar_sierra five_romeo NOT NULL)), (six_uniform(0, alpha_oscar1.six_uniform, lima_delta1.foxtrot_bravo, LOCALTIMESTAMP, lima_delta1.mike_seven)), ((six_uniform(1, alpha_oscar1.six_uniform, lima_delta1.foxtrot_bravo, LOCALTIMESTAMP, lima_delta1.mike_seven))::boolean)
  • Sort Method: quicksort Memory: 97kB
4. 2.713 49.485 ↑ 101.3 97 1

Hash Left Join (cost=2,338.12..33,775.09 rows=9,829 width=554) (actual time=16.193..49.485 rows=97 loops=1)

  • Hash Cond: (echo_seven1.delta_kilo = alpha_seven1.quebec_seven)
5. 0.064 46.209 ↑ 101.3 97 1

Hash Left Join (cost=2,063.61..28,461.93 rows=9,829 width=1,134) (actual time=15.525..46.209 rows=97 loops=1)

  • Hash Cond: (echo_seven1.four_delta = kilo_foxtrot2.quebec_seven)
6. 0.111 45.689 ↑ 101.3 97 1

Nested Loop Left Join (cost=1,859.31..28,231.71 rows=9,829 width=1,073) (actual time=15.062..45.689 rows=97 loops=1)

7. 0.065 45.093 ↑ 100.3 97 1

Hash Left Join (cost=1,858.88..9,161.07 rows=9,727 width=1,049) (actual time=15.050..45.093 rows=97 loops=1)

  • Hash Cond: (lima_delta1.quebec_seven = zulu_uniform1.sierra_foxtrot)
8. 0.093 42.952 ↑ 100.3 97 1

Hash Left Join (cost=1,366.94..8,620.46 rows=9,727 width=382) (actual time=12.963..42.952 rows=97 loops=1)

  • Hash Cond: ((kilo_foxtrot1.quebec_seven = alpha_oscar1.uniform_bravo) AND (lima_delta1.juliet_hotel = alpha_oscar1.foxtrot_charlie))
9. 0.082 39.471 ↑ 100.3 97 1

Hash Left Join (cost=1,031.57..8,234.01 rows=9,727 width=354) (actual time=9.556..39.471 rows=97 loops=1)

  • Hash Cond: (lima_delta1.lima_echo = kilo_foxtrot1.quebec_seven)
10. 0.088 34.722 ↑ 100.3 97 1

Hash Left Join (cost=424.00..7,600.89 rows=9,727 width=295) (actual time=4.871..34.722 rows=97 loops=1)

  • Hash Cond: (lima_delta1.two = papa_kilo1.quebec_seven)
11. 0.061 30.467 ↑ 100.3 97 1

Hash Left Join (cost=80.87..7,232.21 rows=9,727 width=284) (actual time=0.688..30.467 rows=97 loops=1)

  • Hash Cond: (lima_delta1.four_sierra = romeo_three1.quebec_seven)
12. 0.065 30.392 ↑ 100.3 97 1

Hash Left Join (cost=79.58..7,197.07 rows=9,727 width=275) (actual time=0.665..30.392 rows=97 loops=1)

  • Hash Cond: (lima_delta1.juliet_hotel = uniform_delta1.quebec_seven)
13. 2.408 29.725 ↑ 100.3 97 1

Hash Left Join (cost=1.65..7,093.32 rows=9,727 width=179) (actual time=0.055..29.725 rows=97 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: 17,504
14. 27.306 27.306 ↑ 1.7 17,601 1

Index Scan using papa_yankee on foxtrot_romeo quebec_sierra (cost=0.56..6,975.07 rows=29,909 width=179) (actual time=0.029..27.306 rows=17,601 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=0.006..0.009 rows=3 loops=1)

  • Filter: ((juliet_charlie)::text = 'kilo_papa'::text)
  • Rows Removed by Filter: 1
17. 0.148 0.602 ↑ 1.0 397 1

Hash (cost=72.97..72.97 rows=397 width=96) (actual time=0.601..0.602 rows=397 loops=1)

  • Buckets: 1,024 Batches: 1 Memory Usage: 58kB
18. 0.454 0.454 ↑ 1.0 397 1

Seq Scan on echo_zulu mike_quebec (cost=0.00..72.97 rows=397 width=96) (actual time=0.005..0.454 rows=397 loops=1)

19. 0.005 0.014 ↑ 1.0 13 1

Hash (cost=1.13..1.13 rows=13 width=25) (actual time=0.013..0.014 rows=13 loops=1)

  • Buckets: 1,024 Batches: 1 Memory Usage: 9kB
20. 0.009 0.009 ↑ 1.0 13 1

Seq Scan on tango four_uniform (cost=0.00..1.13 rows=13 width=25) (actual time=0.006..0.009 rows=13 loops=1)

21. 1.826 4.167 ↓ 1.0 8,167 1

Hash (cost=241.39..241.39 rows=8,139 width=27) (actual time=4.167..4.167 rows=8,167 loops=1)

  • Buckets: 8,192 Batches: 1 Memory Usage: 569kB
22. 2.341 2.341 ↓ 1.0 8,167 1

Seq Scan on golf_five uniform_romeo (cost=0.00..241.39 rows=8,139 width=27) (actual time=0.004..2.341 rows=8,167 loops=1)

23. 1.606 4.667 ↑ 1.0 5,181 1

Hash (cost=542.81..542.81 rows=5,181 width=67) (actual time=4.666..4.667 rows=5,181 loops=1)

  • Buckets: 8,192 Batches: 1 Memory Usage: 569kB
24. 3.061 3.061 ↑ 1.0 5,181 1

Seq Scan on sierra_three whiskey_six (cost=0.00..542.81 rows=5,181 width=67) (actual time=0.018..3.061 rows=5,181 loops=1)

25. 1.428 3.388 ↓ 1.0 5,539 1

Hash (cost=252.95..252.95 rows=5,495 width=52) (actual time=3.387..3.388 rows=5,539 loops=1)

  • Buckets: 8,192 Batches: 1 Memory Usage: 501kB
26. 1.960 1.960 ↓ 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..1.960 rows=5,539 loops=1)

27. 0.890 2.076 ↑ 1.0 2,541 1

Hash (cost=459.75..459.75 rows=2,575 width=675) (actual time=2.075..2.076 rows=2,541 loops=1)

  • Buckets: 4,096 Batches: 1 Memory Usage: 1,354kB
28. 1.186 1.186 ↑ 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..1.186 rows=2,541 loops=1)

29. 0.485 0.485 ↑ 1.0 1 97

Index Scan using charlie on uniform_kilo victor_romeo (cost=0.43..1.95 rows=1 width=32) (actual time=0.005..0.005 rows=1 loops=97)

  • Index Cond: (sierra_foxtrot = lima_delta1.quebec_seven)
30. 0.122 0.456 ↑ 1.0 902 1

Hash (cost=193.02..193.02 rows=902 width=69) (actual time=0.455..0.456 rows=902 loops=1)

  • Buckets: 1,024 Batches: 1 Memory Usage: 98kB
31. 0.334 0.334 ↑ 1.0 902 1

Seq Scan on oscar_oscar yankee_xray (cost=0.00..193.02 rows=902 width=69) (actual time=0.005..0.334 rows=902 loops=1)

32. 0.172 0.563 ↓ 1.0 1,193 1

Hash (cost=259.78..259.78 rows=1,178 width=41) (actual time=0.563..0.563 rows=1,193 loops=1)

  • Buckets: 2,048 Batches: 1 Memory Usage: 107kB
33. 0.391 0.391 ↓ 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..0.391 rows=1,193 loops=1)

Planning time : 17.852 ms
Execution time : 49.963 ms