explain.depesz.com

PostgreSQL's explain analyze made readable

Result: 3ITz : Optimization for: Optimization for: Optimization for: Optimization for: Optimization for: Optimization for: Optimization for: plan #jyov; plan #Yj9t; plan #vrTD; plan #iVmn; plan #BktC; plan #fDhb; plan #LebJ

Settings

Optimization path:

Optimization(s) for this plan:

# exclusive inclusive rows x rows loops node
1. 0.049 2,312.114 ↑ 1.0 1 1

Unique (cost=18,706.48..18,706.50 rows=1 width=99) (actual time=2,312.062..2,312.114 rows=1 loops=1)

2.          

CTE candidates

3. 752.155 796.582 ↓ 2.3 45,288 1

Bitmap Heap Scan on special_airports sa (cost=992.64..18,188.86 rows=20,038 width=33) (actual time=48.277..796.582 rows=45,288 loops=1)

  • Recheck Cond: (('KTD'::text = code) OR ('OKA'::text = code))
  • Filter: ((1 >= start_day) AND (1 <= end_day) AND (9 >= start_month) AND (9 <= end_month))
  • Heap Blocks: exact=16057
4. 0.064 44.427 ↓ 0.0 0 1

BitmapOr (cost=992.64..992.64 rows=45,569 width=0) (actual time=44.418..44.427 rows=0 loops=1)

5. 39.509 39.509 ↑ 1.0 22,644 1

Bitmap Index Scan on special_airports_codes (cost=0.00..491.97 rows=22,873 width=0) (actual time=39.501..39.509 rows=22,644 loops=1)

  • Index Cond: ('KTD'::text = code)
6. 4.854 4.854 ↑ 1.0 22,644 1

Bitmap Index Scan on special_airports_codes (cost=0.00..490.65 rows=22,696 width=0) (actual time=4.846..4.854 rows=22,644 loops=1)

  • Index Cond: ('OKA'::text = code)
7. 0.085 2,312.065 ↓ 2.0 2 1

Sort (cost=517.62..517.63 rows=1 width=99) (actual time=2,312.041..2,312.065 rows=2 loops=1)

  • Sort Key: tcom.product_group_option_id, tcom.price_band_1_product_group_option_id, tcom.price_band_2_product_group_option_id
  • Sort Method: quicksort Memory: 25kB
8. 517.778 2,311.980 ↓ 2.0 2 1

Hash Join (cost=41.70..517.61 rows=1 width=99) (actual time=122.194..2,311.980 rows=2 loops=1)

  • Hash Cond: (candidates.mapping_id = tcom.id)
9. 1,793.949 1,793.949 ↓ 2.3 45,288 1

CTE Scan on candidates (cost=0.00..400.76 rows=20,038 width=32) (actual time=48.303..1,793.949 rows=45,288 loops=1)

10. 0.040 0.253 ↓ 2.0 2 1

Hash (cost=41.69..41.69 rows=1 width=132) (actual time=0.245..0.253 rows=2 loops=1)

  • Buckets: 1024 Batches: 1 Memory Usage: 9kB
11. 0.213 0.213 ↓ 2.0 2 1

Index Scan using travel_cancellation_option_ma_partner_id_site_id_country_fa_idx on travel_cancellation_option_mapping tcom (cost=0.41..41.69 rows=1 width=132) (actual time=0.065..0.213 rows=2 loops=1)

  • Index Cond: ((partner_id = '1'::text) AND (site_id = '1'::text) AND (country = 'JP'::text) AND (fare_class = 'SuperValue'::text) AND ((currency)::text = 'JPY'::text) AND (price_band_1_item_count = 1) AND (price_band_1_price_start < '20000'::numeric) AND (price_band_1_price_end >= '20000'::numeric) AND (price_band_2_item_count = 1) AND (price_band_2_price_start < '10000'::numeric) AND (price_band_2_price_end >= '10000'::numeric))
  • Filter: ((allowed_airports IS NULL) OR ('{HND,OSA}'::text[] <@ allowed_airports))