explain.depesz.com

PostgreSQL's explain analyze made readable

Result: JS7b

Settings
# exclusive inclusive rows x rows loops node
1. 6.773 973.242 ↑ 1.7 29,056 1

Hash Left Join (cost=16,285.11..28,677.95 rows=50,418 width=272) (actual time=633.538..973.242 rows=29,056 loops=1)

  • Hash Cond: ((lc.mid = lcu.midcontract) AND (au.mcrops = lcu.midcrop))
2. 7.677 966.436 ↑ 1.7 29,056 1

Hash Left Join (cost=16,283.93..28,203.87 rows=50,418 width=288) (actual time=633.498..966.436 rows=29,056 loops=1)

  • Hash Cond: ((au.myear = lc.myear) AND (l.mid = lc.midlayer))
3. 7.076 958.717 ↑ 1.7 29,056 1

Hash Left Join (cost=16,282.51..27,695.08 rows=50,418 width=276) (actual time=633.447..958.717 rows=29,056 loops=1)

  • Hash Cond: (f.mregion = r.mid)
4. 22.747 951.595 ↑ 1.7 29,056 1

Hash Join (cost=16,281.22..27,437.24 rows=50,418 width=245) (actual time=633.384..951.595 rows=29,056 loops=1)

  • Hash Cond: (f.mlayer = l.mid)
5. 123.468 924.461 ↑ 1.0 74,685 1

Hash Join (cost=16,138.46..26,501.95 rows=76,892 width=76) (actual time=628.983..924.461 rows=74,685 loops=1)

  • Hash Cond: (au.mfeature = f.mid)
6. 174.622 174.622 ↑ 1.0 74,685 1

Index Only Scan using agricultureusing_curr_year_delete on agricultureusing au (cost=0.42..8,653.05 rows=76,892 width=36) (actual time=0.086..174.622 rows=74,685 loops=1)

  • Index Cond: ((myear = 2019) AND (mcurrent = true))
  • Filter: mcurrent
  • Heap Fetches: 74685
7. 316.239 626.371 ↑ 1.0 546,110 1

Hash (cost=8,777.96..8,777.96 rows=546,134 width=56) (actual time=626.371..626.371 rows=546,110 loops=1)

  • Buckets: 524288 Batches: 2 Memory Usage: 26989kB
8. 310.132 310.132 ↑ 1.0 546,110 1

Index Only Scan using ind_vsxfeature_complex on vsxfeature f (cost=0.55..8,777.96 rows=546,134 width=56) (actual time=0.017..310.132 rows=546,110 loops=1)

  • Heap Fetches: 0
9. 1.475 4.387 ↑ 1.0 3,110 1

Hash (cost=103.89..103.89 rows=3,110 width=185) (actual time=4.387..4.387 rows=3,110 loops=1)

  • Buckets: 4096 Batches: 1 Memory Usage: 395kB
10. 1.763 2.912 ↑ 1.0 3,110 1

Hash Left Join (cost=1.33..103.89 rows=3,110 width=185) (actual time=0.056..2.912 rows=3,110 loops=1)

  • Hash Cond: (l.mcluster = cl.mid)
11. 1.121 1.121 ↑ 1.0 3,110 1

Index Scan using ind_fk_vsxlayers_mowner on vsxlayers l (cost=0.28..71.00 rows=3,110 width=165) (actual time=0.021..1.121 rows=3,110 loops=1)

  • Index Cond: (mowner = '79610a40-aeaa-4bff-a9d6-5444a5aa94c9'::uuid)
12. 0.016 0.028 ↑ 1.0 22 1

Hash (cost=0.77..0.77 rows=22 width=36) (actual time=0.028..0.028 rows=22 loops=1)

  • Buckets: 1024 Batches: 1 Memory Usage: 10kB
13. 0.012 0.012 ↑ 1.0 22 1

Index Scan using clusters_pkey on clusters cl (cost=0.14..0.77 rows=22 width=36) (actual time=0.003..0.012 rows=22 loops=1)

14. 0.021 0.046 ↑ 1.0 31 1

Hash (cost=0.90..0.90 rows=31 width=35) (actual time=0.046..0.046 rows=31 loops=1)

  • Buckets: 1024 Batches: 1 Memory Usage: 11kB
15. 0.025 0.025 ↑ 1.0 31 1

Index Scan using regions_pkey on regions r (cost=0.14..0.90 rows=31 width=35) (actual time=0.012..0.025 rows=31 loops=1)

16. 0.020 0.042 ↑ 1.0 30 1

Hash (cost=0.96..0.96 rows=30 width=36) (actual time=0.042..0.042 rows=30 loops=1)

  • Buckets: 1024 Batches: 1 Memory Usage: 10kB
17. 0.022 0.022 ↑ 1.0 30 1

Index Scan using leasecontracts_idx_myear on leasecontracts lc (cost=0.14..0.96 rows=30 width=36) (actual time=0.010..0.022 rows=30 loops=1)

  • Index Cond: (myear = 2019)
18. 0.016 0.033 ↑ 1.0 25 1

Hash (cost=0.81..0.81 rows=25 width=40) (actual time=0.033..0.033 rows=25 loops=1)

  • Buckets: 1024 Batches: 1 Memory Usage: 10kB
19. 0.017 0.017 ↑ 1.0 25 1

Index Scan using leasecontractunits_idx on leasecontractunits lcu (cost=0.14..0.81 rows=25 width=40) (actual time=0.006..0.017 rows=25 loops=1)

Planning time : 2.903 ms
Execution time : 976.937 ms