explain.depesz.com

PostgreSQL's explain analyze made readable

Result: PCF

Settings
# exclusive inclusive rows x rows loops node
1. 0.001 0.164 ↑ 2.5 4 1

Limit (cost=25.37..25.40 rows=10 width=349) (actual time=0.162..0.164 rows=4 loops=1)

2. 0.016 0.163 ↑ 2.8 4 1

Sort (cost=25.37..25.40 rows=11 width=349) (actual time=0.161..0.163 rows=4 loops=1)

  • Sort Key: uipriority.prioritisedscore DESC
  • Sort Method: quicksort Memory: 26kB
3. 0.000 0.147 ↑ 2.8 4 1

Nested Loop (cost=13.96..25.18 rows=11 width=349) (actual time=0.117..0.147 rows=4 loops=1)

4. 0.019 0.139 ↑ 2.8 4 1

Hash Join (cost=13.81..19.59 rows=11 width=317) (actual time=0.112..0.139 rows=4 loops=1)

  • Hash Cond: (uipriority.insightid = insights.insightid)
5. 0.021 0.021 ↑ 1.0 103 1

Seq Scan on userinsightpriority uipriority (cost=0.00..5.29 rows=103 width=13) (actual time=0.006..0.021 rows=103 loops=1)

  • Filter: (userid = 3)
6. 0.004 0.099 ↑ 4.2 4 1

Hash (cost=13.59..13.59 rows=17 width=312) (actual time=0.099..0.099 rows=4 loops=1)

  • Buckets: 1024 Batches: 1 Memory Usage: 10kB
7. 0.010 0.095 ↑ 4.2 4 1

Hash Join (cost=2.57..13.59 rows=17 width=312) (actual time=0.033..0.095 rows=4 loops=1)

  • Hash Cond: (insights.categoryid = categories.categoryid)
8. 0.062 0.062 ↓ 1.0 147 1

Seq Scan on insights (cost=0.00..10.31 rows=145 width=176) (actual time=0.007..0.062 rows=147 loops=1)

  • Filter: (expirydate >= now())
  • Rows Removed by Filter: 7
9. 0.003 0.023 ↓ 1.5 3 1

Hash (cost=2.54..2.54 rows=2 width=144) (actual time=0.023..0.023 rows=3 loops=1)

  • Buckets: 1024 Batches: 1 Memory Usage: 9kB
10. 0.008 0.020 ↓ 1.5 3 1

Hash Right Join (cost=1.28..2.54 rows=2 width=144) (actual time=0.016..0.020 rows=3 loops=1)

  • Hash Cond: (pc.categoryid = categories.parentid)
  • Join Filter: ((categories.parentid = 4) OR (categories.categoryid = 4))
11. 0.002 0.002 ↑ 1.0 17 1

Seq Scan on categories pc (cost=0.00..1.17 rows=17 width=72) (actual time=0.001..0.002 rows=17 loops=1)

12. 0.003 0.010 ↓ 1.5 3 1

Hash (cost=1.25..1.25 rows=2 width=80) (actual time=0.010..0.010 rows=3 loops=1)

  • Buckets: 1024 Batches: 1 Memory Usage: 9kB
13. 0.007 0.007 ↓ 1.5 3 1

Seq Scan on categories (cost=0.00..1.25 rows=2 width=80) (actual time=0.005..0.007 rows=3 loops=1)

  • Filter: ((parentid = 4) OR (categoryid = 4))
  • Rows Removed by Filter: 14
14. 0.008 0.008 ↑ 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..0.002 rows=1 loops=4)

  • Index Cond: (sourcetypeid = insights.sourcetypeid)
Planning time : 0.733 ms
Execution time : 0.225 ms