explain.depesz.com

PostgreSQL's explain analyze made readable

Result: pjTg

Settings
# exclusive inclusive rows x rows loops node
1. 0.261 1.561 ↓ 9.4 47 1

Nested Loop (cost=1.27..1,120.16 rows=5 width=1,480) (actual time=0.322..1.561 rows=47 loops=1)

  • Join Filter: (send_mail_email.id = stats.email_id)
2. 0.101 0.736 ↓ 9.4 47 1

Nested Loop (cost=0.85..972.31 rows=5 width=1,229) (actual time=0.271..0.736 rows=47 loops=1)

3. 0.040 0.494 ↓ 9.4 47 1

Limit (cost=0.42..930.00 rows=5 width=4) (actual time=0.242..0.494 rows=47 loops=1)

4. 0.454 0.454 ↓ 9.4 47 1

Index Scan using send_mail_email_74f53564 on send_mail_email (cost=0.42..930.00 rows=5 width=4) (actual time=0.240..0.454 rows=47 loops=1)

  • Index Cond: (template_id = 618)
  • Filter: ((status = ANY ('{3}'::integer[])) AND (app_id = 1) AND (date(timezone('UTC'::text, created_at)) >= '2018-02-12'::date) AND (date(timezone('UTC'::text, created_at)) <= '2019-03-11'::date))
  • Rows Removed by Filter: 307
5. 0.141 0.141 ↑ 1.0 1 47

Index Scan using send_mail_email_pkey on send_mail_email info (cost=0.42..8.44 rows=1 width=1,225) (actual time=0.003..0.003 rows=1 loops=47)

  • Index Cond: (id = send_mail_email.id)
6. 0.141 0.141 ↑ 1.0 1 47

Index Scan using collector_stats_fc41f286 on collector_stats stats (cost=0.42..0.60 rows=1 width=255) (actual time=0.002..0.003 rows=1 loops=47)

  • Index Cond: (email_id = info.id)
7.          

SubPlan (forNested Loop)

8. 0.094 0.141 ↑ 1.0 1 47

Result (cost=4.18..4.19 rows=1 width=0) (actual time=0.002..0.003 rows=1 loops=47)

9.          

Initplan (forResult)

10. 0.047 0.047 ↓ 0.0 0 47

Index Only Scan using track_linkemail_fdfd0ebf on track_linkemail (cost=0.15..8.22 rows=2 width=0) (actual time=0.001..0.001 rows=0 loops=47)

  • Index Cond: (email_id = info.id)
  • Heap Fetches: 0
11. 0.047 0.094 ↑ 1.0 1 47

Result (cost=8.17..8.18 rows=1 width=0) (actual time=0.002..0.002 rows=1 loops=47)

12.          

Initplan (forResult)

13. 0.047 0.047 ↓ 0.0 0 47

Index Only Scan using track_mailopen_fdfd0ebf on track_mailopen (cost=0.15..8.17 rows=1 width=0) (actual time=0.001..0.001 rows=0 loops=47)

  • Index Cond: (email_id = info.id)
  • Heap Fetches: 0
14. 0.000 0.000 ↓ 0.0 0 47

Index Scan using campaign_campaign_pkey on campaign_campaign (cost=0.28..8.29 rows=1 width=4) (actual time=0.000..0.000 rows=0 loops=47)

  • Index Cond: (id = info.campaign_id)
15. 0.188 0.188 ↑ 1.0 1 47

Index Scan using mail_template_template_pkey on mail_template_template (cost=0.27..8.29 rows=1 width=32) (actual time=0.003..0.004 rows=1 loops=47)

  • Index Cond: (id = info.template_id)
Planning time : 1.314 ms
Execution time : 1.946 ms