explain.depesz.com

PostgreSQL's explain analyze made readable

Result: u6oQ

Settings
# exclusive inclusive rows x rows loops node
1. 0.002 0.164 ↑ 2.5 4 1

Limit (cost=25.19..25.21 rows=10 width=277) (actual time=0.162..0.164 rows=4 loops=1)

2. 0.014 0.162 ↑ 2.8 4 1

Sort (cost=25.19..25.22 rows=11 width=277) (actual time=0.161..0.162 rows=4 loops=1)

  • Sort Key: uipriority.prioritisedscore DESC
  • Sort Method: quicksort Memory: 26kB
3. 0.005 0.148 ↑ 2.8 4 1

Nested Loop (cost=13.95..25.00 rows=11 width=277) (actual time=0.120..0.148 rows=4 loops=1)

4. 0.019 0.135 ↑ 2.8 4 1

Hash Join (cost=13.80..19.40 rows=11 width=325) (actual time=0.114..0.135 rows=4 loops=1)

  • Hash Cond: (uipriority.insightid = insights.insightid)
  • Join Filter: (((uipriority.userid = 3) AND (categories.parentid = 4)) OR (categories.categoryid = 4))
5. 0.014 0.014 ↑ 1.0 103 1

Seq Scan on userinsightpriority uipriority (cost=0.00..5.03 rows=103 width=21) (actual time=0.004..0.014 rows=103 loops=1)

6. 0.004 0.102 ↑ 4.2 4 1

Hash (cost=13.58..13.58 rows=17 width=320) (actual time=0.102..0.102 rows=4 loops=1)

  • Buckets: 1024 Batches: 1 Memory Usage: 10kB
7. 0.019 0.098 ↑ 4.2 4 1

Hash Join (cost=2.56..13.58 rows=17 width=320) (actual time=0.035..0.098 rows=4 loops=1)

  • Hash Cond: (insights.categoryid = categories.categoryid)
8. 0.055 0.055 ↓ 1.0 147 1

Seq Scan on insights (cost=0.00..10.31 rows=145 width=176) (actual time=0.006..0.055 rows=147 loops=1)

  • Filter: (expirydate >= now())
  • Rows Removed by Filter: 7
9. 0.003 0.024 ↓ 1.5 3 1

Hash (cost=2.53..2.53 rows=2 width=152) (actual time=0.024..0.024 rows=3 loops=1)

  • Buckets: 1024 Batches: 1 Memory Usage: 9kB
10. 0.008 0.021 ↓ 1.5 3 1

Hash Right Join (cost=1.28..2.53 rows=2 width=152) (actual time=0.017..0.021 rows=3 loops=1)

  • Hash Cond: (pc.categoryid = categories.parentid)
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. 0.004 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. 0.007 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 : 0.796 ms
Execution time : 0.227 ms