explain.depesz.com

PostgreSQL's explain analyze made readable

Result: wxOG

Settings
# exclusive inclusive rows x rows loops node
1. 0.016 70.272 ↑ 1.0 100 1

Limit (cost=2.22..2,907.56 rows=100 width=483) (actual time=48.119..70.272 rows=100 loops=1)

2. 50.729 70.256 ↑ 1,455.6 100 1

ProjectSet (cost=2.22..4,228,956.82 rows=145,558 width=483) (actual time=48.118..70.256 rows=100 loops=1)

3. 0.632 2.494 ↑ 1,455.6 100 1

Nested Loop Left Join (cost=2.22..449,179.45 rows=145,558 width=394) (actual time=0.061..2.494 rows=100 loops=1)

4. 0.133 1.662 ↑ 1,455.6 100 1

Nested Loop Left Join (cost=1.94..331,387.65 rows=145,558 width=380) (actual time=0.048..1.662 rows=100 loops=1)

5. 0.089 1.429 ↑ 1,455.6 100 1

Nested Loop Left Join (cost=1.67..277,051.24 rows=145,558 width=333) (actual time=0.045..1.429 rows=100 loops=1)

6. 0.042 1.240 ↑ 1,455.6 100 1

Nested Loop Left Join (cost=1.40..234,824.46 rows=145,558 width=333) (actual time=0.042..1.240 rows=100 loops=1)

7. 0.041 0.998 ↑ 1,455.6 100 1

Nested Loop Left Join (cost=1.13..180,488.05 rows=145,558 width=290) (actual time=0.035..0.998 rows=100 loops=1)

8. 0.043 0.757 ↑ 1,455.6 100 1

Nested Loop Left Join (cost=0.85..138,261.56 rows=145,558 width=290) (actual time=0.026..0.757 rows=100 loops=1)

9. 0.147 0.414 ↑ 1,455.6 100 1

Nested Loop Left Join (cost=0.56..86,282.61 rows=145,558 width=233) (actual time=0.025..0.414 rows=100 loops=1)

10. 0.167 0.167 ↑ 1,455.6 100 1

Index Scan Backward using model_task_date on model_task t (cost=0.42..62,997.97 rows=145,558 width=174) (actual time=0.017..0.167 rows=100 loops=1)

  • Filter: (NOT COALESCE(is_deleted, false))
  • Rows Removed by Filter: 4
11. 0.100 0.100 ↑ 1.0 1 100

Index Scan using model_doc_status_pkey on model_doc_status st (cost=0.14..0.16 rows=1 width=63) (actual time=0.001..0.001 rows=1 loops=100)

  • Index Cond: (id = t.status_id)
12. 0.300 0.300 ↑ 1.0 1 100

Index Scan using model_person_pkey on model_person p (cost=0.29..0.36 rows=1 width=65) (actual time=0.003..0.003 rows=1 loops=100)

  • Index Cond: (id = t.person_id)
13. 0.200 0.200 ↑ 1.0 1 100

Index Only Scan using tbl_users_pkey on tbl_users a (cost=0.27..0.29 rows=1 width=4) (actual time=0.002..0.002 rows=1 loops=100)

  • Index Cond: (id = t.author_id)
  • Heap Fetches: 1
14. 0.200 0.200 ↑ 1.0 1 100

Index Scan using tbl_profiles_user_id_idx1 on tbl_profiles ap (cost=0.27..0.37 rows=1 width=51) (actual time=0.002..0.002 rows=1 loops=100)

  • Index Cond: (user_id = a.id)
15. 0.100 0.100 ↑ 1.0 1 100

Index Only Scan using tbl_users_pkey on tbl_users d (cost=0.27..0.29 rows=1 width=4) (actual time=0.001..0.001 rows=1 loops=100)

  • Index Cond: (id = t.doer_id)
  • Heap Fetches: 1
16. 0.100 0.100 ↑ 1.0 1 100

Index Scan using tbl_profiles_user_id_idx1 on tbl_profiles dp (cost=0.27..0.37 rows=1 width=55) (actual time=0.001..0.001 rows=1 loops=100)

  • Index Cond: (user_id = d.id)
17. 0.200 0.200 ↑ 1.0 1 100

Index Scan using model_listitem_pkey on model_listitem dpp (cost=0.28..0.77 rows=1 width=51) (actual time=0.002..0.002 rows=1 loops=100)

  • Index Cond: (id = dp.doer_post)
18.          

SubPlan (for ProjectSet)

19. 0.000 0.000 ↓ 0.0 0

Index Only Scan using document_file_doc_guid on document_file (cost=0.42..8.44 rows=1 width=0) (never executed)

  • Index Cond: (doc_guid = t.guid)
  • Heap Fetches: 0
20. 16.635 16.635 ↓ 1.0 124,461 1

Seq Scan on document_file document_file_1 (cost=0.00..3,307.58 rows=124,458 width=16) (actual time=0.021..16.635 rows=124,461 loops=1)

21. 0.000 0.398 ↑ 1.0 1 199

Index Scan using typology_pkey on typology (cost=8.72..16.73 rows=1 width=67) (actual time=0.002..0.002 rows=1 loops=199)

  • Index Cond: (id = $3)
22.          

Initplan (for Index Scan)

23. 0.199 0.796 ↑ 1.0 1 199

Limit (cost=0.42..8.44 rows=1 width=4) (actual time=0.003..0.004 rows=1 loops=199)

24. 0.597 0.597 ↑ 1.0 1 199

Index Scan using document_produced_doc_id_parent_doc_name_doc_name_index on document_produced (cost=0.42..8.44 rows=1 width=4) (actual time=0.003..0.003 rows=1 loops=199)

  • Index Cond: ((doc_id = t.id) AND (doc_name = 'Task'::text))
Planning time : 3.628 ms
Execution time : 70.445 ms