explain.depesz.com

PostgreSQL's explain analyze made readable

Result: hkAh

Settings
# exclusive inclusive rows x rows loops node
1. 0.002 11,481.491 ↓ 6.0 6 1

Unique (cost=103,325.21..103,325.22 rows=1 width=4) (actual time=11,481.490..11,481.491 rows=6 loops=1)

2. 0.014 11,481.489 ↓ 6.0 6 1

Sort (cost=103,325.21..103,325.21 rows=1 width=4) (actual time=11,481.489..11,481.489 rows=6 loops=1)

  • Sort Key: h3.id_habitante
  • Sort Method: quicksort Memory: 25kB
3. 591.764 11,481.475 ↓ 6.0 6 1

Nested Loop (cost=103,316.99..103,325.20 rows=1 width=4) (actual time=5,861.432..11,481.475 rows=6 loops=1)

  • Join Filter: (ph.cd_hoja = ph_1.cd_hoja)
  • Rows Removed by Join Filter: 13042499
4. 0.774 2,743.452 ↓ 4,717.0 4,717 1

Nested Loop (cost=51,654.45..51,662.62 rows=1 width=8) (actual time=2,575.360..2,743.452 rows=4,717 loops=1)

5. 15.299 2,728.527 ↓ 4,717.0 4,717 1

Nested Loop (cost=51,654.16..51,662.21 rows=1 width=12) (actual time=2,575.354..2,728.527 rows=4,717 loops=1)

6. 30.227 2,590.096 ↓ 41,044.0 41,044 1

HashAggregate (cost=51,653.74..51,653.75 rows=1 width=12) (actual time=2,575.325..2,590.096 rows=41,044 loops=1)

7. 307.901 2,559.869 ↓ 41,694.0 41,694 1

Hash Join (cost=41,432.20..51,653.73 rows=1 width=12) (actual time=2,123.607..2,559.869 rows=41,694 loops=1)

  • Hash Cond: ((max1.max_fecha_real = h1.pos_fecha_real_ult) AND ((max1.cd_prov_ent)::text = (h1.cd_prov_ent)::text) AND ((max1.cd_mun_ent)::text = (h1.cd_mun_ent)::text) AND (max1.id_habitante = h1.id_habitante))
8. 3.397 2,145.787 ↓ 1.2 41,044 1

Subquery Scan on max1 (cost=26,808.37..29,257.82 rows=34,622 width=19) (actual time=2,017.271..2,145.787 rows=41,044 loops=1)

9. 35.438 2,142.390 ↓ 1.2 41,044 1

GroupAggregate (cost=26,808.37..28,911.60 rows=34,622 width=19) (actual time=2,017.270..2,142.390 rows=41,044 loops=1)

10. 2,024.309 2,106.952 ↑ 1.0 140,561 1

Sort (cost=26,808.37..27,159.77 rows=140,561 width=19) (actual time=2,017.260..2,106.952 rows=140,561 loops=1)

  • Sort Key: h.cd_prov_ent, h.cd_mun_ent, h.id_habitante
  • Sort Method: external merge Disk: 4672kB
11. 82.643 82.643 ↑ 1.0 140,561 1

Seq Scan on phistorico h (cost=0.00..11,905.82 rows=140,561 width=19) (actual time=0.007..82.643 rows=140,561 loops=1)

  • Filter: ((pos_fecha_real_ult <= '2019-09-02 00:00:00'::timestamp without time zone) AND ((cd_prov_ent)::text = '36'::text) AND ((cd_mun_ent)::text = '008'::text))
12. 38.978 106.181 ↑ 1.0 140,561 1

Hash (cost=10,851.61..10,851.61 rows=140,561 width=27) (actual time=106.181..106.181 rows=140,561 loops=1)

  • Buckets: 2048 Batches: 16 Memory Usage: 552kB
13. 67.203 67.203 ↑ 1.0 140,561 1

Seq Scan on phistorico h1 (cost=0.00..10,851.61 rows=140,561 width=27) (actual time=0.004..67.203 rows=140,561 loops=1)

14. 123.132 123.132 ↓ 0.0 0 41,044

Index Scan using indx_phco_id_prov_mun on phistorico h3 (cost=0.42..8.45 rows=1 width=20) (actual time=0.003..0.003 rows=0 loops=41,044)

  • Index Cond: (id_registro = (max(h1.id_registro)))
  • Filter: ((tipo_mov <> 'B'::bpchar) AND (pos_fecha_nac > '1999-03-09 00:00:00'::timestamp without time zone))
  • Rows Removed by Filter: 1
15. 14.151 14.151 ↑ 1.0 1 4,717

Index Scan using phhojapadronal_pkey on phhojapadronal ph (cost=0.29..0.40 rows=1 width=12) (actual time=0.002..0.003 rows=1 loops=4,717)

  • Index Cond: (id_registro = h3.pos_id_hoja_hist)
16. 5,374.145 8,146.259 ↓ 2,765.0 2,765 4,717

HashAggregate (cost=51,662.54..51,662.55 rows=1 width=4) (actual time=0.592..1.727 rows=2,765 loops=4,717)

  • Filter: (count(*) = 1)
  • Rows Removed by Filter: 10377
17. 23.057 2,772.114 ↓ 41,044.0 41,044 1

Nested Loop (cost=51,654.45..51,662.54 rows=1 width=4) (actual time=2,588.184..2,772.114 rows=41,044 loops=1)

18. 25.727 2,708.013 ↓ 41,044.0 41,044 1

Nested Loop (cost=51,654.16..51,662.21 rows=1 width=8) (actual time=2,588.177..2,708.013 rows=41,044 loops=1)

19. 27.653 2,600.198 ↓ 41,044.0 41,044 1

HashAggregate (cost=51,653.74..51,653.75 rows=1 width=12) (actual time=2,588.159..2,600.198 rows=41,044 loops=1)

20. 307.322 2,572.545 ↓ 41,694.0 41,694 1

Hash Join (cost=41,432.20..51,653.73 rows=1 width=12) (actual time=2,135.440..2,572.545 rows=41,694 loops=1)

  • Hash Cond: ((max1_1.max_fecha_real = h1_1.pos_fecha_real_ult) AND ((max1_1.cd_prov_ent)::text = (h1_1.cd_prov_ent)::text) AND ((max1_1.cd_mun_ent)::text = (h1_1.cd_mun_ent)::text) AND (max1_1.id_habitante = h1_1. (...)
21. 3.410 2,161.256 ↓ 1.2 41,044 1

Subquery Scan on max1_1 (cost=26,808.37..29,257.82 rows=34,622 width=19) (actual time=2,031.313..2,161.256 rows=41,044 loops=1)

22. 36.031 2,157.846 ↓ 1.2 41,044 1

GroupAggregate (cost=26,808.37..28,911.60 rows=34,622 width=19) (actual time=2,031.313..2,157.846 rows=41,044 loops=1)

23. 2,038.901 2,121.815 ↑ 1.0 140,561 1

Sort (cost=26,808.37..27,159.77 rows=140,561 width=19) (actual time=2,031.303..2,121.815 rows=140,561 loops=1)

  • Sort Key: h_1.cd_prov_ent, h_1.cd_mun_ent, h_1.id_habitante
  • Sort Method: external merge Disk: 4672kB
24. 82.914 82.914 ↑ 1.0 140,561 1

Seq Scan on phistorico h_1 (cost=0.00..11,905.82 rows=140,561 width=19) (actual time=0.006..82.914 rows=140,561 loops=1)

  • Filter: ((pos_fecha_real_ult <= '2019-09-02 00:00:00'::timestamp without time zone) AND ((cd_prov_ent)::text = '36'::text) AND ((cd_mun_ent)::text = '008'::text))
25. 38.011 103.967 ↑ 1.0 140,561 1

Hash (cost=10,851.61..10,851.61 rows=140,561 width=27) (actual time=103.967..103.967 rows=140,561 loops=1)

  • Buckets: 2048 Batches: 16 Memory Usage: 552kB
26. 65.956 65.956 ↑ 1.0 140,561 1

Seq Scan on phistorico h1_1 (cost=0.00..10,851.61 rows=140,561 width=27) (actual time=0.003..65.956 rows=140,561 loops=1)

27. 82.088 82.088 ↑ 1.0 1 41,044

Index Scan using indx_phco_id_prov_mun on phistorico h3_1 (cost=0.42..8.44 rows=1 width=16) (actual time=0.002..0.002 rows=1 loops=41,044)

  • Index Cond: (id_registro = (max(h1_1.id_registro)))
28. 41.044 41.044 ↑ 1.0 1 41,044

Index Scan using phhojapadronal_pkey on phhojapadronal ph_1 (cost=0.29..0.32 rows=1 width=12) (actual time=0.001..0.001 rows=1 loops=41,044)

  • Index Cond: (id_registro = h3_1.pos_id_hoja_hist)