explain.depesz.com

PostgreSQL's explain analyze made readable

Result: 6HMG

Settings
# exclusive inclusive rows x rows loops node
1. 0.023 2,281.641 ↑ 1.0 1 1

Aggregate (cost=834,590.74..834,590.75 rows=1 width=40) (actual time=2,281.641..2,281.641 rows=1 loops=1)

2. 0.000 2,281.618 ↓ 0.0 0 1

Nested Loop (cost=188,822.29..834,363.76 rows=22,697 width=100) (actual time=2,281.618..2,281.618 rows=0 loops=1)

3. 0.000 2,281.618 ↓ 0.0 0 1

Nested Loop (cost=188,813.84..641,836.46 rows=22,697 width=68) (actual time=2,281.618..2,281.618 rows=0 loops=1)

4. 0.001 2,281.618 ↓ 0.0 0 1

Nested Loop (cost=188,805.23..445,644.65 rows=22,697 width=36) (actual time=2,281.618..2,281.618 rows=0 loops=1)

5. 0.174 2,281.617 ↓ 0.0 0 1

Hash Join (cost=188,794.98..212,419.09 rows=22,697 width=4) (actual time=2,281.617..2,281.617 rows=0 loops=1)

  • Hash Cond: (rrh.roadworkrequestid = roadworkrequest.id)
6. 0.000 0.000 ↓ 0.0 0

GroupAggregate (cost=138,951.84..154,098.17 rows=600,059 width=12) (never executed)

  • Group Key: rrh.roadworkrequestid
  • Filter: ((max(rrh."timestamp") >= (to_timestamp('20190105 12:00:00 AM'::text, 'yyyyMMdd HH24:MI:SS AM'::text))::timestamp without time zone) AND (max(rrh."timestamp") <= (to_timestamp('20190205 12:00:00 AM'::text, 'yyyyMMdd HH24:MI:SS AM'::text))::timestamp without time zone))
7. 0.000 0.000 ↓ 0.0 0

Sort (cost=138,951.84..141,238.27 rows=914,574 width=12) (never executed)

  • Sort Key: rrh.roadworkrequestid
8. 0.000 0.000 ↓ 0.0 0

Index Scan using ix_roadworkrequesttypeid on roadworkrequesthistory rrh (cost=0.44..32,765.48 rows=914,574 width=12) (never executed)

  • Index Cond: (roadworkstatustypeid = 19)
9. 0.000 2,281.443 ↓ 0.0 0 1

Hash (cost=49,350.79..49,350.79 rows=39,388 width=4) (actual time=2,281.443..2,281.443 rows=0 loops=1)

  • Buckets: 65536 Batches: 1 Memory Usage: 512kB
10. 0.003 2,281.443 ↓ 0.0 0 1

Hash Join (cost=34.50..49,350.79 rows=39,388 width=4) (actual time=2,281.443..2,281.443 rows=0 loops=1)

  • Hash Cond: (roadworkrequest.roadworkrequestpsmorganisationid = o2.id)
11. 11.479 2,244.081 ↓ 0.0 0 1

Hash Join (cost=17.25..48,688.55 rows=78,777 width=8) (actual time=2,244.081..2,244.081 rows=0 loops=1)

  • Hash Cond: (roadworkrequest.roadworkrequestownerorganisationid = o1.id)
12. 2,232.134 2,232.134 ↑ 1.0 153,324 1

Seq Scan on roadworkrequest (cost=0.00..47,381.33 rows=157,554 width=12) (actual time=54.073..2,232.134 rows=153,324 loops=1)

  • Filter: (psmexportid IS NULL)
  • Rows Removed by Filter: 887593
13. 0.003 0.468 ↑ 33.3 6 1

Hash (cost=14.75..14.75 rows=200 width=4) (actual time=0.468..0.468 rows=6 loops=1)

  • Buckets: 1024 Batches: 1 Memory Usage: 9kB
14. 0.008 0.465 ↑ 33.3 6 1

HashAggregate (cost=12.75..14.75 rows=200 width=4) (actual time=0.463..0.465 rows=6 loops=1)

  • Group Key: o1.id
15. 0.457 0.457 ↑ 166.7 6 1

Function Scan on getorgtree o1 (cost=0.25..10.25 rows=1,000 width=4) (actual time=0.456..0.457 rows=6 loops=1)

16. 0.002 37.359 ↑ 200.0 1 1

Hash (cost=14.75..14.75 rows=200 width=4) (actual time=37.359..37.359 rows=1 loops=1)

  • Buckets: 1024 Batches: 1 Memory Usage: 9kB
17. 0.006 37.357 ↑ 200.0 1 1

HashAggregate (cost=12.75..14.75 rows=200 width=4) (actual time=37.356..37.357 rows=1 loops=1)

  • Group Key: o2.id
18. 37.351 37.351 ↑ 1,000.0 1 1

Function Scan on getorgtree o2 (cost=0.25..10.25 rows=1,000 width=4) (actual time=37.351..37.351 rows=1 loops=1)

19. 0.000 0.000 ↓ 0.0 0

Aggregate (cost=10.25..10.26 rows=1 width=32) (never executed)

20. 0.000 0.000 ↓ 0.0 0

Index Scan using ix_roadworkrequestmaterial_roadworkrequestid_ispsm on roadworkrequestmaterial m (cost=0.43..10.24 rows=2 width=6) (never executed)

  • Index Cond: ((roadworkrequest.id = roadworkrequestid) AND (ispsm = true))
  • Filter: ispsm
21. 0.000 0.000 ↓ 0.0 0

Aggregate (cost=8.61..8.62 rows=1 width=32) (never executed)

22. 0.000 0.000 ↓ 0.0 0

Index Scan using ix_roadworkrequestpenalty_roadworkrequestid on roadworkrequestpenalty p (cost=0.42..8.61 rows=1 width=5) (never executed)

  • Index Cond: (roadworkrequest.id = roadworkrequestid)
  • Filter: ispsm
23. 0.000 0.000 ↓ 0.0 0

Aggregate (cost=8.45..8.46 rows=1 width=32) (never executed)

24. 0.000 0.000 ↓ 0.0 0

Index Scan using idx_roadworkrequestadditional_roadworkrequestid_ispsm on roadworkrequestadditional a (cost=0.43..8.45 rows=1 width=3) (never executed)

  • Index Cond: ((roadworkrequest.id = roadworkrequestid) AND (ispsm = true))
  • Filter: ispsm