explain.depesz.com

PostgreSQL's explain analyze made readable

Result: CPf4

Settings
# exclusive inclusive rows x rows loops node
1. 0.030 7.180 ↓ 2.8 22 1

WindowAgg (cost=1,673.26..1,673.44 rows=8 width=760) (actual time=7.158..7.180 rows=22 loops=1)

2. 0.603 7.150 ↓ 2.8 22 1

Sort (cost=1,673.26..1,673.28 rows=8 width=751) (actual time=7.148..7.150 rows=22 loops=1)

  • Sort Key: recipe_ingredient_products.ingredient_id, a.ordinality
  • Sort Method: quicksort Memory: 49kB
3. 0.011 6.547 ↓ 2.8 22 1

Nested Loop Left Join (cost=1,599.86..1,673.14 rows=8 width=751) (actual time=6.415..6.547 rows=22 loops=1)

  • Filter: (COALESCE(items_availabilities.availability_score, '0.87'::double precision) > '0.525'::double precision)
4. 0.031 6.470 ↑ 1.0 22 1

Hash Join (cost=1,599.57..1,634.06 rows=23 width=743) (actual time=6.401..6.470 rows=22 loops=1)

  • Hash Cond: (a.product_id = items_0.product_id)
5. 0.017 0.080 ↑ 3.4 68 1

Nested Loop (cost=19.06..52.94 rows=230 width=16) (actual time=0.034..0.080 rows=68 loops=1)

6. 0.010 0.033 ↑ 2.3 10 1

Hash Join (cost=19.06..48.34 rows=23 width=36) (actual time=0.027..0.033 rows=10 loops=1)

  • Hash Cond: (recipe_ingredient_products.ingredient_id = recipe_ingredients.ingredient_id)
7. 0.008 0.008 ↑ 158.8 8 1

Seq Scan on recipe_ingredient_products (cost=0.00..22.70 rows=1,270 width=36) (actual time=0.006..0.008 rows=8 loops=1)

8. 0.005 0.015 ↑ 2.3 10 1

Hash (cost=18.77..18.77 rows=23 width=4) (actual time=0.015..0.015 rows=10 loops=1)

  • Buckets: 1,024 Batches: 1 Memory Usage: 9kB
9. 0.005 0.010 ↑ 2.3 10 1

Bitmap Heap Scan on recipe_ingredients (cost=8.48..18.77 rows=23 width=4) (actual time=0.009..0.010 rows=10 loops=1)

  • Recheck Cond: (recipe_id = ANY ('{1,2}'::integer[]))
  • Heap Blocks: exact=1
10. 0.005 0.005 ↑ 2.3 10 1

Bitmap Index Scan on index_recipe_ingredients_on_recipe_id_and_ingredient_id (cost=0.00..8.47 rows=23 width=0) (actual time=0.005..0.005 rows=10 loops=1)

  • Index Cond: (recipe_id = ANY ('{1,2}'::integer[]))
11. 0.030 0.030 ↑ 1.4 7 10

Function Scan on unnest a (cost=0.00..0.10 rows=10 width=12) (actual time=0.002..0.003 rows=7 loops=10)

12. 2.620 6.359 ↓ 2.5 2,054 1

Hash (cost=1,570.16..1,570.16 rows=828 width=731) (actual time=6.359..6.359 rows=2,054 loops=1)

  • Buckets: 4,096 (originally 1024) Batches: 1 (originally 1) Memory Usage: 1,435kB
13. 2.637 3.739 ↓ 2.5 2,054 1

Bitmap Heap Scan on items_0 (cost=183.11..1,570.16 rows=828 width=731) (actual time=1.216..3.739 rows=2,054 loops=1)

  • Recheck Cond: (inventory_area_id = 20,636)
  • Filter: (available AND visible AND (retailer_id = 29))
  • Heap Blocks: exact=1,067
14. 0.061 1.102 ↓ 0.0 0 1

BitmapAnd (cost=183.11..183.11 rows=828 width=0) (actual time=1.102..1.102 rows=0 loops=1)

15. 0.605 0.605 ↑ 1.0 4,404 1

Bitmap Index Scan on search_index_v2_items_0 (cost=0.00..49.03 rows=4,404 width=0) (actual time=0.605..0.605 rows=4,404 loops=1)

  • Index Cond: (inventory_area_id = 20,636)
16. 0.436 0.436 ↓ 1.8 6,025 1

Bitmap Index Scan on items_0_available_visible_idx (cost=0.00..133.42 rows=3,313 width=0) (actual time=0.436..0.436 rows=6,025 loops=1)

  • Index Cond: ((available = true) AND (visible = true))
17. 0.066 0.066 ↑ 1.0 1 22

Index Scan using items_availabilities_0_item_id_idx on items_availabilities_0 items_availabilities (cost=0.29..1.69 rows=1 width=20) (actual time=0.003..0.003 rows=1 loops=22)

  • Index Cond: (item_id = items_0.item_id)
  • Filter: ((inventory_area_id = 20,636) AND (inventory_area_id = items_0.inventory_area_id))
Planning time : 2.959 ms
Execution time : 7.498 ms