explain.depesz.com

PostgreSQL's explain analyze made readable

Result: YHcI

Settings
# exclusive inclusive rows x rows loops node
1. 0.011 4,570.646 ↑ 2.4 14 1

Sort (cost=34,976.21..34,976.29 rows=33 width=36) (actual time=4,570.645..4,570.646 rows=14 loops=1)

  • Sort Key: i.bucket
  • Sort Method: quicksort Memory: 26kB
2. 371.839 4,570.635 ↑ 2.4 14 1

HashAggregate (cost=34,974.72..34,975.38 rows=33 width=36) (actual time=4,570.628..4,570.635 rows=14 loops=1)

  • Group Key: i.bucket
3. 1,547.765 4,198.796 ↓ 24.8 768,428 1

Nested Loop (cost=1,084.30..34,353.96 rows=31,038 width=53) (actual time=14.535..4,198.796 rows=768,428 loops=1)

  • Join Filter: ((t0.began >= i.begin) AND (t0.began <= i.""end""))
  • Rows Removed by Join Filter: 9,989,564
4. 0.000 1,882.603 ↓ 90.8 768,428 1

Gather (cost=1,084.30..29,461.34 rows=8,465 width=57) (actual time=14.502..1,882.603 rows=768,428 loops=1)

  • Workers Planned: 1
  • Workers Launched: 1
5. 83.388 2,991.597 ↓ 77.2 384,214 2 / 2

Nested Loop (cost=84.30..27,614.84 rows=4,979 width=57) (actual time=11.697..2,991.597 rows=384,214 loops=2)

6. 88.543 1,179.246 ↓ 75.0 96,054 2 / 2

Nested Loop (cost=83.74..15,764.10 rows=1,280 width=24) (actual time=11.678..1,179.246 rows=96,054 loops=2)

7. 87.173 802.520 ↓ 75.0 96,061 2 / 2

Nested Loop (cost=83.32..15,102.09 rows=1,280 width=24) (actual time=11.666..802.520 rows=96,061 loops=2)

8. 7.512 427.158 ↓ 75.9 96,063 2 / 2

Nested Loop (cost=82.89..14,461.57 rows=1,265 width=24) (actual time=11.655..427.158 rows=96,063 loops=2)

9. 28.758 35.236 ↓ 76.0 96,102 2 / 2

Parallel Bitmap Heap Scan on call t0 (cost=82.47..6,245.58 rows=1,265 width=24) (actual time=11.637..35.236 rows=96,102 loops=2)

  • Recheck Cond: ((began >= ('{""2020-03-01 13:00:00+00"",""2020-03-08 13:00:00+00"",""2020-03-15 13:00:00+00"",""2020-03-22 13:00:00+00"",""2020-03-29 13:00:00+00"",""2020-04-05 14:00:00+00"",""2020-04-12 14:00:00+00"",""2020-04-19 14:00:00+00"",""2020-04-26 14:00:00+00"",""2020-05-03 14:00:00+00"",""2020-05-10 14:00:00+00"",""2020-05-17 14:00:00+00"",""2020-05-24 14:00:00+00"",""2020-05-31 14:00:00+00"",""2020-06-11 14:00:00+00""}'::timestamp with time zone[])[1]) AND (began <= ('{""2020-03-01 13:00:00+00"",""2020-03-08 13:00:00+00"",""2020-03-15 13:00:00+00"",""2020-03-22 13:00:00+00"",""2020-03-29 13:00:00+00"",""2020-04-05 14:00:00+00"",""2020-04-12 14:00:00+00"",""2020-04-19 14:00:00+00"",""2020-04-26 14:00:00+00"",""2020-05-03 14:00:00+00"",""2020-05-10 14:00:00+00"",""2020-05-17 14:00:00+00"",""2020-05-24 14:00:00+00"",""2020-05-31 14:00:00+00"",""2020-06-11 14:00:00+00""}'::timestamp with time zone[])[15]))
  • Heap Blocks: exact=1,813
10. 6.478 6.478 ↓ 89.4 192,205 1 / 2

Bitmap Index Scan on call_idx_began (cost=0.00..81.93 rows=2,151 width=0) (actual time=12.955..12.955 rows=192,205 loops=1)

  • Index Cond: ((began >= ('{""2020-03-01 13:00:00+00"",""2020-03-08 13:00:00+00"",""2020-03-15 13:00:00+00"",""2020-03-22 13:00:00+00"",""2020-03-29 13:00:00+00"",""2020-04-05 14:00:00+00"",""2020-04-12 14:00:00+00"",""2020-04-19 14:00:00+00"",""2020-04-26 14:00:00+00"",""2020-05-03 14:00:00+00"",""2020-05-10 14:00:00+00"",""2020-05-17 14:00:00+00"",""2020-05-24 14:00:00+00"",""2020-05-31 14:00:00+00"",""2020-06-11 14:00:00+00""}'::timestamp with time zone[])[1]) AND (began <= ('{""2020-03-01 13:00:00+00"",""2020-03-08 13:00:00+00"",""2020-03-15 13:00:00+00"",""2020-03-22 13:00:00+00"",""2020-03-29 13:00:00+00"",""2020-04-05 14:00:00+00"",""2020-04-12 14:00:00+00"",""2020-04-19 14:00:00+00"",""2020-04-26 14:00:00+00"",""2020-05-03 14:00:00+00"",""2020-05-10 14:00:00+00"",""2020-05-17 14:00:00+00"",""2020-05-24 14:00:00+00"",""2020-05-31 14:00:00+00"",""2020-06-11 14:00:00+00""}'::timestamp with time zone[])[15]))
11. 384.410 384.410 ↑ 1.0 1 192,205 / 2

Index Scan using transcript_unique_call_id on transcript t1 (cost=0.42..6.49 rows=1 width=32) (actual time=0.004..0.004 rows=1 loops=192,205)

  • Index Cond: (call_id = t0.id)
12. 288.189 288.189 ↑ 1.0 1 192,126 / 2

Index Scan using enriched_transcript_unique_transcript_id on enriched_transcript t2 (cost=0.42..0.51 rows=1 width=32) (actual time=0.003..0.003 rows=1 loops=192,126)

  • Index Cond: (transcript_id = t1.id)
13. 288.183 288.183 ↑ 1.0 1 192,122 / 2

Index Scan using scorecard_run_unique_enriched_transcript_id on scorecard_run t3 (cost=0.42..0.52 rows=1 width=32) (actual time=0.003..0.003 rows=1 loops=192,122)

  • Index Cond: (enriched_transcript_id = t2.id)
14. 1,728.963 1,728.963 ↑ 6.2 4 192,107 / 2

Index Scan using scorecard_result_idx_scorecard_run_id_parent on scorecard_result t4 (cost=0.56..9.01 rows=25 width=65) (actual time=0.012..0.018 rows=4 loops=192,107)

  • Index Cond: (scorecard_run_id = t3.id)
  • Filter: ((parent IS NULL) OR ((question)::text = 'Communication'::text) OR ((question)::text = 'Compliance'::text) OR ((question)::text = 'Conduct'::text))
  • Rows Removed by Filter: 29
15. 768.398 768.428 ↑ 2.4 14 768,428

Materialize (cost=0.00..4.17 rows=33 width=20) (actual time=0.000..0.001 rows=14 loops=768,428)

16. 0.003 0.030 ↑ 2.4 14 1

Subquery Scan on i (cost=0.00..4.00 rows=33 width=20) (actual time=0.019..0.030 rows=14 loops=1)

  • Filter: (i.bucket > 0)
  • Rows Removed by Filter: 1
17. 0.014 0.027 ↑ 6.7 15 1

WindowAgg (cost=0.00..2.75 rows=100 width=20) (actual time=0.016..0.027 rows=15 loops=1)

18. 0.013 0.013 ↑ 6.7 15 1

Function Scan on unnest times (cost=0.00..1.00 rows=100 width=16) (actual time=0.011..0.013 rows=15 loops=1)

  • Filter: (t IS NOT NULL)
Planning time : 1.160 ms
Execution time : 4,571.772 ms