explain.depesz.com

PostgreSQL's explain analyze made readable

Result: 6ly7 : Base old query

Settings
# exclusive inclusive rows x rows loops node
1. 1.459 452.256 ↑ 5.2 72 1

GroupAggregate (cost=105,535.38..105,570.91 rows=374 width=610) (actual time=450.874..452.256 rows=72 loops=1)

  • Group Key: clip.created_at, clip.id, clip.account_id, clip.workspace_id, clip.width, clip.height, clip.size, clip.ext, clip.type, clip.duration, clip.rotation, clip.audio, clip.remote, clip.status, clip.recorded_at, clip.updated_at, clip.digitized, clip.hash, clip.synced, clip.description, clip.source, clip.imported_name, clip_media.playback, clip_media.preview, clip_media.seek, clip_media.image, account.first_name, account.last_name, clip_bookmark.clip_id
2. 1.947 450.797 ↑ 1.3 296 1

Sort (cost=105,535.38..105,536.32 rows=374 width=585) (actual time=450.758..450.797 rows=296 loops=1)

  • Sort Key: clip.created_at DESC, clip.id DESC, clip.account_id, clip.workspace_id, clip.width, clip.height, clip.size, clip.ext, clip.type, clip.duration, clip.rotation, clip.audio, clip.remote, clip.status, clip.recorded_at, clip.updated_at, clip.digitized, clip.hash, clip.synced, clip.description, clip.source, clip.imported_name, clip_media.playback, clip_media.preview, clip_media.seek, clip_media.image, account.first_name, account.last_name, clip_bookmark.clip_id
  • Sort Method: quicksort Memory: 177kB
3. 0.145 448.850 ↑ 1.3 296 1

Nested Loop Left Join (cost=103,749.78..105,519.40 rows=374 width=585) (actual time=446.789..448.850 rows=296 loops=1)

4. 0.041 447.337 ↑ 1.0 72 1

Hash Left Join (cost=103,749.06..104,359.57 rows=72 width=545) (actual time=446.769..447.337 rows=72 loops=1)

  • Hash Cond: (clip.id = clip_bookmark.clip_id)
5. 0.102 447.056 ↑ 1.0 72 1

Hash Join (cost=103,699.06..104,309.11 rows=72 width=529) (actual time=446.521..447.056 rows=72 loops=1)

  • Hash Cond: (clip.account_id = account.id)
6. 0.099 444.642 ↑ 1.0 72 1

Nested Loop (cost=103,402.41..104,011.46 rows=72 width=516) (actual time=444.163..444.642 rows=72 loops=1)

7. 0.011 444.183 ↑ 1.0 72 1

Limit (cost=103,401.98..103,402.16 rows=72 width=342) (actual time=444.146..444.183 rows=72 loops=1)

8. 130.046 444.172 ↑ 3,038.7 72 1

Sort (cost=103,401.98..103,948.95 rows=218,787 width=342) (actual time=444.145..444.172 rows=72 loops=1)

  • Sort Key: clip.created_at DESC, clip.id DESC
  • Sort Method: top-N heapsort Memory: 44kB
9. 314.126 314.126 ↓ 1.1 244,947 1

Seq Scan on clip (cost=0.00..95,558.55 rows=218,787 width=342) (actual time=0.098..314.126 rows=244,947 loops=1)

  • Filter: (visible AND (NOT inactive) AND (status <> 'created'::text) AND (workspace_id = '8271b633-a524-46e8-9620-c2d15c7ce3c6'::uuid))
  • Rows Removed by Filter: 383417
10. 0.360 0.360 ↑ 1.0 1 72

Index Scan using clip_media_pkey on clip_media (cost=0.42..8.44 rows=1 width=206) (actual time=0.005..0.005 rows=1 loops=72)

  • Index Cond: (id = clip.media_id)
11. 1.310 2.312 ↓ 1.1 6,112 1

Hash (cost=225.18..225.18 rows=5,718 width=29) (actual time=2.312..2.312 rows=6,112 loops=1)

  • Buckets: 8192 Batches: 1 Memory Usage: 434kB
12. 1.002 1.002 ↓ 1.1 6,112 1

Seq Scan on account (cost=0.00..225.18 rows=5,718 width=29) (actual time=0.005..1.002 rows=6,112 loops=1)

13. 0.001 0.240 ↓ 0.0 0 1

Hash (cost=49.96..49.96 rows=3 width=16) (actual time=0.240..0.240 rows=0 loops=1)

  • Buckets: 1024 Batches: 1 Memory Usage: 8kB
14. 0.239 0.239 ↓ 0.0 0 1

Seq Scan on clip_bookmark (cost=0.00..49.96 rows=3 width=16) (actual time=0.239..0.239 rows=0 loops=1)

  • Filter: (account_id = '505e48ea-de53-46a3-9d43-b974ecdedafd'::uuid)
  • Rows Removed by Filter: 2477
15. 0.000 1.368 ↑ 1.2 4 72

Nested Loop Left Join (cost=0.72..16.06 rows=5 width=56) (actual time=0.008..0.019 rows=4 loops=72)

16. 0.504 0.504 ↑ 1.2 4 72

Index Only Scan using clip_tag_clip_id_tag_id_key on clip_tag (cost=0.43..14.46 rows=5 width=32) (actual time=0.005..0.007 rows=4 loops=72)

  • Index Cond: (clip_id = clip.id)
  • Heap Fetches: 296
17. 0.888 0.888 ↑ 1.0 1 296

Index Scan using tag_pkey on tag (cost=0.29..0.31 rows=1 width=40) (actual time=0.002..0.003 rows=1 loops=296)

  • Index Cond: (id = clip_tag.tag_id)
Planning time : 1.135 ms