explain.depesz.com

PostgreSQL's explain analyze made readable

Result: 9KnD : Optimization for: 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; plan #3ITz

Settings

Optimization path:

Optimization(s) for this plan:

# exclusive inclusive rows x rows loops node
1. 497.840 2,304.346 ↓ 2.0 2 1

Hash Join (cost=18,230.56..18,706.47 rows=1 width=99) (actual time=165.522..2,304.346 rows=2 loops=1)

  • Hash Cond: (candidates.mapping_id = tcom.id)
2.          

CTE candidates

3. 729.552 788.066 ↓ 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=62.555..788.066 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. 0.090 58.514 ↓ 0.0 0 1

BitmapOr (cost=992.64..992.64 rows=45,569 width=0) (actual time=58.506..58.514 rows=0 loops=1)

5. 47.409 47.409 ↑ 1.0 22,644 1

Bitmap Index Scan on special_airports_codes (cost=0.00..491.97 rows=22,873 width=0) (actual time=47.401..47.409 rows=22,644 loops=1)

  • Index Cond: ('KTD'::text = code)
6. 11.015 11.015 ↑ 1.0 22,644 1

Bitmap Index Scan on special_airports_codes (cost=0.00..490.65 rows=22,696 width=0) (actual time=11.007..11.015 rows=22,644 loops=1)

  • Index Cond: ('OKA'::text = code)
7. 1,806.204 1,806.204 ↓ 2.3 45,288 1

CTE Scan on candidates (cost=0.00..400.76 rows=20,038 width=32) (actual time=62.586..1,806.204 rows=45,288 loops=1)

8. 0.044 0.302 ↓ 2.0 2 1

Hash (cost=41.69..41.69 rows=1 width=132) (actual time=0.294..0.302 rows=2 loops=1)

  • Buckets: 1024 Batches: 1 Memory Usage: 9kB
9. 0.258 0.258 ↓ 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=0.091..0.258 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))
Planning time : 1.041 ms
Execution time : 2,307.140 ms