explain.depesz.com

PostgreSQL's explain analyze made readable

Result: mrnh

Settings
# exclusive inclusive rows x rows loops node
1. 0.000 37.088 ↓ 156.0 156 1

Nested Loop (cost=81.91..124.27 rows=1 width=16) (actual time=6.942..37.088 rows=156 loops=1)

2. 0.028 36.941 ↓ 156.0 156 1

Nested Loop (cost=81.77..116.09 rows=1 width=32) (actual time=6.937..36.941 rows=156 loops=1)

3. 2.863 36.757 ↓ 156.0 156 1

Nested Loop (cost=81.62..107.91 rows=1 width=32) (actual time=6.933..36.757 rows=156 loops=1)

  • Join Filter: (organizational_unit.id = person_assignment.organizational_unit_id)
  • Rows Removed by Join Filter: 1716
4. 0.265 26.406 ↓ 1,872.0 1,872 1

Nested Loop (cost=81.62..106.47 rows=1 width=48) (actual time=0.722..26.406 rows=1,872 loops=1)

5. 0.011 0.011 ↓ 26.0 26 1

Index Scan using idx_organizational_unit_state on organizational_unit (cost=0.15..8.17 rows=1 width=64) (actual time=0.005..0.011 rows=26 loops=1)

  • Index Cond: (state = 'ACTIVE'::text)
6. 1.248 26.130 ↓ 72.0 72 26

Nested Loop Anti Join (cost=81.47..98.29 rows=1 width=16) (actual time=0.704..1.005 rows=72 loops=26)

7. 0.416 21.138 ↓ 72.0 72 26

Subquery Scan on alias_755097 (cost=81.18..81.28 rows=1 width=16) (actual time=0.701..0.813 rows=72 loops=26)

  • Filter: (alias_755097.r = 1)
  • Rows Removed by Filter: 76
8. 2.028 20.722 ↓ 49.3 148 26

WindowAgg (cost=81.18..81.24 rows=3 width=20) (actual time=0.700..0.797 rows=148 loops=26)

9. 1.612 18.694 ↓ 49.3 148 26

Sort (cost=81.18..81.19 rows=3 width=20) (actual time=0.698..0.719 rows=148 loops=26)

  • Sort Key: employee.person_id, employee.sort_code
  • Sort Method: quicksort Memory: 90kB
10. 1.630 17.082 ↓ 49.3 148 26

Nested Loop (cost=20.17..81.16 rows=3 width=20) (actual time=0.037..0.657 rows=148 loops=26)

11. 1.614 5.148 ↓ 49.5 396 26

Nested Loop (cost=19.90..78.12 rows=8 width=16) (actual time=0.034..0.198 rows=396 loops=26)

12. 0.338 0.338 ↓ 4.0 4 26

Index Scan using idx_organizational_unit_state on organizational_unit ou2 (cost=0.15..8.17 rows=1 width=16) (actual time=0.005..0.013 rows=4 loops=26)

  • Index Cond: (state = 'ACTIVE'::text)
  • Filter: (materialized_path @> organizational_unit.materialized_path)
  • Rows Removed by Filter: 22
13. 2.162 3.196 ↑ 4.1 110 94

Bitmap Heap Scan on organization_assignment (cost=19.75..65.47 rows=448 width=32) (actual time=0.012..0.034 rows=110 loops=94)

  • Recheck Cond: ((organizational_unit_id = ou2.id) AND (state = 'ACTIVE'::text))
  • Heap Blocks: exact=897
14. 1.034 1.034 ↑ 4.1 110 94

Bitmap Index Scan on organizational_assignment_org_unit_id_org_id_idx (cost=0.00..19.64 rows=448 width=0) (actual time=0.011..0.011 rows=110 loops=94)

  • Index Cond: (organizational_unit_id = ou2.id)
15. 10.304 10.304 ↓ 0.0 0 10,304

Index Scan using employee_organization_id_state_idx on employee (cost=0.27..0.35 rows=3 width=36) (actual time=0.001..0.001 rows=0 loops=10,304)

  • Index Cond: ((organization_id = organization_assignment.organization_id) AND (state = 'ACTIVE'::text))
16. 0.000 3.744 ↓ 0.0 0 1,872

Nested Loop (cost=0.29..8.65 rows=1 width=16) (actual time=0.002..0.002 rows=0 loops=1,872)

17. 1.872 1.872 ↑ 1.0 1 1,872

Index Scan using person_to_person_type_person_idx on person_to_person_type (cost=0.14..8.16 rows=1 width=32) (actual time=0.001..0.001 rows=1 loops=1,872)

  • Index Cond: (person_id = alias_755097.person_id)
18. 1.872 1.872 ↓ 0.0 0 1,872

Index Scan using person_type_pkey on person_type (cost=0.15..0.48 rows=1 width=16) (actual time=0.001..0.001 rows=0 loops=1,872)

  • Index Cond: (id = person_to_person_type.person_type_id)
  • Filter: (base_type = 'INTERNAL'::text)
  • Rows Removed by Filter: 1
19. 7.488 7.488 ↑ 1.0 1 1,872

Seq Scan on person_assignment (cost=0.00..1.44 rows=1 width=16) (actual time=0.004..0.004 rows=1 loops=1,872)

  • Filter: ((state = 'ACTIVE'::text) AND (person_id = '8e459ecd-2208-44b9-836a-b9bbf182ec03'::uuid))
  • Rows Removed by Filter: 28
20. 0.156 0.156 ↑ 1.0 1 156

Index Scan using person_id_active_idx on person (cost=0.14..8.16 rows=1 width=16) (actual time=0.001..0.001 rows=1 loops=156)

  • Index Cond: (id = alias_755097.person_id)
21. 0.156 0.156 ↑ 1.0 1 156

Index Scan using pk_organizational_hierarchy on organizational_hierarchy (cost=0.15..8.17 rows=1 width=16) (actual time=0.001..0.001 rows=1 loops=156)

  • Index Cond: (id = organizational_unit.organizational_hierarchy_id)
  • Filter: (state = 'ACTIVE'::text)
Planning time : 1.232 ms
Execution time : 37.182 ms