explain.depesz.com

PostgreSQL's explain analyze made readable

Result: 1SnC

Settings
# exclusive inclusive rows x rows loops node
1. 0.009 6,863.813 ↑ 14.3 14 1

Sort (cost=217,738.39..217,738.89 rows=200 width=36) (actual time=6,863.813..6,863.813 rows=14 loops=1)

  • Sort Key: i.bucket
  • Sort Method: quicksort Memory: 26kB
2. 262.447 6,863.804 ↑ 14.3 14 1

HashAggregate (cost=217,726.74..217,730.74 rows=200 width=36) (actual time=6,863.799..6,863.804 rows=14 loops=1)

  • Group Key: i.bucket
3. 1,588.360 6,601.357 ↑ 1.2 768,428 1

Nested Loop Left Join (cost=1,084.30..198,780.08 rows=947,333 width=53) (actual time=846.152..6,601.357 rows=768,428 loops=1)

  • Join Filter: ((t0.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[])[i.bucket]) AND (t0.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[])[(i.bucket + 1)]))
  • Rows Removed by Join Filter: 9,989,564
4. 0.017 0.017 ↑ 71.4 14 1

Function Scan on generate_series i (cost=0.00..10.00 rows=1,000 width=4) (actual time=0.005..0.017 rows=14 loops=1)

5. 1,496.563 5,012.980 ↓ 90.1 768,428 14

Materialize (cost=1,084.30..28,271.39 rows=8,526 width=57) (actual time=1.115..358.070 rows=768,428 loops=14)

6. 0.000 3,516.417 ↓ 90.1 768,428 1

Gather (cost=1,084.30..28,228.76 rows=8,526 width=57) (actual time=15.565..3,516.417 rows=768,428 loops=1)

  • Workers Planned: 1
  • Workers Launched: 1
7. 99.253 3,527.562 ↓ 76.6 384,214 2 / 2

Nested Loop (cost=84.30..26,376.16 rows=5,015 width=57) (actual time=13.085..3,527.562 rows=384,214 loops=2)

8. 84.540 1,219.079 ↓ 76.1 96,054 2 / 2

Nested Loop (cost=83.74..15,784.29 rows=1,262 width=24) (actual time=13.057..1,219.079 rows=96,054 loops=2)

9. 82.178 846.356 ↓ 76.1 96,061 2 / 2

Nested Loop (cost=83.32..15,131.50 rows=1,262 width=24) (actual time=13.039..846.356 rows=96,061 loops=2)

10. 40.537 475.989 ↓ 76.6 96,063 2 / 2

Nested Loop (cost=82.89..14,496.84 rows=1,254 width=24) (actual time=13.014..475.989 rows=96,063 loops=2)

11. 9.272 435.452 ↓ 76.6 96,063 2 / 2

Nested Loop (cost=82.89..14,459.22 rows=1,254 width=24) (actual time=13.013..435.452 rows=96,063 loops=2)

12. 34.783 41.770 ↓ 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=12.996..41.770 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=3,273
13. 6.987 6.987 ↓ 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=13.974..13.974 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]))
14. 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)
15. 0.000 0.000 ↑ 1.0 1 192,126 / 2

Result (cost=0.00..0.01 rows=1 width=32) (actual time=0.000..0.000 rows=1 loops=192,126)

16. 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)
17. 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)
18. 2,209.231 2,209.231 ↑ 6.2 4 192,107 / 2

Index Scan using scorecard_result_idx_scorecard_run_id_parent on scorecard_result t4 (cost=0.56..8.14 rows=25 width=65) (actual time=0.017..0.023 rows=4 loops=192,107)

  • Index Cond: (scorecard_run_id = t3.id)
  • Filter: ((parent IS NULL) OR ((question)::text = ANY ('{Communication,Compliance,Conduct}'::text[])))
  • Rows Removed by Filter: 29
Planning time : 4.318 ms
Execution time : 6,874.093 ms