explain.depesz.com

PostgreSQL's explain analyze made readable

Result: 8Vss

Settings
# exclusive inclusive rows x rows loops node
1. 0.002 0.158 ↑ 2.5 4 1

Limit (cost=25.20..25.22 rows=10 width=277) (actual time=0.157..0.158 rows=4 loops=1)

2. 0.012 0.156 ↑ 2.8 4 1

Sort (cost=25.20..25.23 rows=11 width=277) (actual time=0.156..0.156 rows=4 loops=1)

  • Sort Key: uipriority.prioritisedscore DESC
  • Sort Method: quicksort Memory: 26kB
3. 0.006 0.144 ↑ 2.8 4 1

Nested Loop (cost=13.96..25.01 rows=11 width=277) (actual time=0.118..0.144 rows=4 loops=1)

4. 0.021 0.134 ↑ 2.8 4 1

Hash Join (cost=13.81..19.41 rows=11 width=325) (actual time=0.112..0.134 rows=4 loops=1)

  • Hash Cond: (uipriority.insightid = insights.insightid)
  • Join Filter: (((uipriority.userid = 3) AND (categories.parentid = 4)) OR (categories.categoryid = 4))
5. 0.012 0.012 ↑ 1.0 103 1

Seq Scan on userinsightpriority uipriority (cost=0.00..5.03 rows=103 width=21) (actual time=0.005..0.012 rows=103 loops=1)

6. 0.003 0.101 ↑ 4.2 4 1

Hash (cost=13.59..13.59 rows=17 width=320) (actual time=0.101..0.101 rows=4 loops=1)

  • Buckets: 1024 Batches: 1 Memory Usage: 10kB
7. 0.015 0.098 ↑ 4.2 4 1

Hash Join (cost=2.57..13.59 rows=17 width=320) (actual time=0.036..0.098 rows=4 loops=1)

  • Hash Cond: (insights.categoryid = categories.categoryid)
8. 0.060 0.060 ↓ 1.0 147 1

Seq Scan on insights (cost=0.00..10.31 rows=145 width=176) (actual time=0.008..0.060 rows=147 loops=1)

  • Filter: (expirydate >= now())
  • Rows Removed by Filter: 7
9. 0.002 0.023 ↓ 1.5 3 1

Hash (cost=2.54..2.54 rows=2 width=152) (actual time=0.023..0.023 rows=3 loops=1)

  • Buckets: 1024 Batches: 1 Memory Usage: 9kB
10. 0.007 0.021 ↓ 1.5 3 1

Hash Right Join (cost=1.28..2.54 rows=2 width=152) (actual time=0.016..0.021 rows=3 loops=1)

  • Hash Cond: (pc.categoryid = categories.parentid)
  • Join Filter: ((categories.parentid = 4) OR (categories.categoryid = 4))
11. 0.003 0.003 ↑ 1.0 17 1

Seq Scan on categories pc (cost=0.00..1.17 rows=17 width=72) (actual time=0.001..0.003 rows=17 loops=1)

12. 0.002 0.011 ↓ 1.5 3 1

Hash (cost=1.25..1.25 rows=2 width=80) (actual time=0.011..0.011 rows=3 loops=1)

  • Buckets: 1024 Batches: 1 Memory Usage: 9kB
13. 0.009 0.009 ↓ 1.5 3 1

Seq Scan on categories (cost=0.00..1.25 rows=2 width=80) (actual time=0.005..0.009 rows=3 loops=1)

  • Filter: ((parentid = 4) OR (categoryid = 4))
  • Rows Removed by Filter: 14
14. 0.004 0.004 ↑ 1.0 1 4

Index Scan using pk_sourcetypes_sourcetypeid on sourcetypes st (cost=0.15..0.50 rows=1 width=40) (actual time=0.001..0.001 rows=1 loops=4)

  • Index Cond: (sourcetypeid = insights.sourcetypeid)
Planning time : 0.789 ms
Execution time : 0.220 ms