explain.depesz.com

PostgreSQL's explain analyze made readable

Result: wjEp

Settings
# exclusive inclusive rows x rows loops node
1. 0.036 143.624 ↓ 0.0 0 1

Nested Loop (cost=1.13..2,306.66 rows=50 width=1,480) (actual time=143.624..143.624 rows=0 loops=1)

  • Join Filter: (send_mail_email.id = stats.email_id)
2. 0.085 143.488 ↑ 1.0 50 1

Nested Loop (cost=0.71..829.26 rows=50 width=1,229) (actual time=143.065..143.488 rows=50 loops=1)

3. 0.039 143.253 ↑ 1.0 50 1

Limit (cost=0.28..406.13 rows=50 width=4) (actual time=143.041..143.253 rows=50 loops=1)

4. 143.214 143.214 ↑ 52.1 50 1

Index Scan using send_mail_email_send_date_isnull on send_mail_email (cost=0.28..21,153.08 rows=2,606 width=4) (actual time=143.038..143.214 rows=50 loops=1)

  • Index Cond: (send_date IS NOT NULL)
  • Filter: ((status = ANY ('{1}'::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: 254
5. 0.150 0.150 ↑ 1.0 1 50

Index Scan using send_mail_email_pkey on send_mail_email info (cost=0.42..8.44 rows=1 width=1,225) (actual time=0.002..0.003 rows=1 loops=50)

  • Index Cond: (id = send_mail_email.id)
6. 0.100 0.100 ↓ 0.0 0 50

Index Scan using collector_stats_fc41f286 on collector_stats stats (cost=0.42..0.58 rows=1 width=255) (actual time=0.002..0.002 rows=0 loops=50)

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

SubPlan (forNested Loop)

8. 0.000 0.000 ↓ 0.0 0

Result (cost=4.18..4.19 rows=1 width=0) (never executed)

9.          

Initplan (forResult)

10. 0.000 0.000 ↓ 0.0 0

Index Only Scan using track_linkemail_fdfd0ebf on track_linkemail (cost=0.15..8.22 rows=2 width=0) (never executed)

  • Index Cond: (email_id = info.id)
  • Heap Fetches: 0
11. 0.000 0.000 ↓ 0.0 0

Result (cost=8.17..8.18 rows=1 width=0) (never executed)

12.          

Initplan (forResult)

13. 0.000 0.000 ↓ 0.0 0

Index Only Scan using track_mailopen_fdfd0ebf on track_mailopen (cost=0.15..8.17 rows=1 width=0) (never executed)

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

Index Scan using campaign_campaign_pkey on campaign_campaign (cost=0.28..8.29 rows=1 width=4) (never executed)

  • Index Cond: (id = info.campaign_id)
15. 0.000 0.000 ↓ 0.0 0

Index Scan using mail_template_template_pkey on mail_template_template (cost=0.27..8.29 rows=1 width=32) (never executed)

  • Index Cond: (id = info.template_id)