explain.depesz.com

PostgreSQL's explain analyze made readable

Result: noQk : Optimization for: Optimization for: Optimization for: Optimization for: Optimization for: plan #dni7; plan #JC73; plan #Q9uf; plan #sw9h; plan #EfIA

Settings

Optimization path:

# exclusive inclusive rows x rows loops node
1. 0.106 10.611 ↑ 1.0 1 1

Index Scan using travel_cancellation_option_ma_partner_id_site_id_country_fa_idx on travel_cancellation_option_mapping tcom (cost=21,513.40..21,521.69 rows=1 width=99) (actual time=10.588..10.611 rows=1 loops=1)

  • Index Cond: ((partner_id = '1'::text) AND (site_id = '1'::text) AND (country = 'JP'::text) AND (fare_class = 'SuperValue'::text) AND (special_airport = $3) 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))
2.          

Initplan (forIndex Scan)

3. 0.040 10.505 ↑ 1.0 1 1

Aggregate (cost=21,512.97..21,512.98 rows=1 width=1) (actual time=10.487..10.505 rows=1 loops=1)

4. 9.931 10.465 ↓ 0.0 0 1

Nested Loop (cost=9,301.63..21,510.87 rows=839 width=33) (actual time=10.457..10.465 rows=0 loops=1)

5. 0.094 0.094 ↑ 1.0 2 1

Values Scan on "*VALUES*" (cost=0.00..0.03 rows=2 width=40) (actual time=0.026..0.094 rows=2 loops=1)

6. 0.122 0.440 ↓ 0.0 0 2

Bitmap Heap Scan on special_airports sa (cost=9,301.63..10,751.23 rows=419 width=53) (actual time=0.216..0.220 rows=0 loops=2)

  • Recheck Cond: ((code = "*VALUES*".column1) AND (start_day <= "*VALUES*".column2) AND (start_month <= "*VALUES*".column3) AND (end_day >= "*VALUES*".column2) AND (end_month >= "*VALUES*".column3))
7. 0.104 0.318 ↓ 0.0 0 2

BitmapAnd (cost=9,301.63..9,301.63 rows=419 width=0) (actual time=0.155..0.159 rows=0 loops=2)

8. 0.214 0.214 ↓ 0.0 0 2

Bitmap Index Scan on special_airports_codes (cost=0.00..715.17 rows=33,966 width=0) (actual time=0.103..0.107 rows=0 loops=2)

  • Index Cond: (code = "*VALUES*".column1)
9. 0.000 0.000 ↓ 0.0 0

Bitmap Index Scan on special_airports_dates (cost=0.00..8,586.00 rows=10,903 width=0) (never executed)

  • Index Cond: ((start_day <= "*VALUES*".column2) AND (start_month <= "*VALUES*".column3) AND (end_day >= "*VALUES*".column2) AND (end_month >= "*VALUES*".column3))