explain.depesz.com

PostgreSQL's explain analyze made readable

Result: dhfS : Select names

Settings
# exclusive inclusive rows x rows loops node
1. 31.474 86,722.781 ↑ 1.0 10,000 1

Nested Loop (cost=393.220..84,857.970 rows=10,000 width=764) (actual time=103.726..86,722.781 rows=10,000 loops=1)

2. 17.141 71.307 ↑ 1.0 10,000 1

HashAggregate (cost=392.660..492.660 rows=10,000 width=61) (actual time=58.926..71.307 rows=10,000 loops=1)

  • Group Key: seven.whiskey
3. 0.888 54.166 ↑ 1.0 10,000 1

Limit (cost=0.000..267.660 rows=10,000 width=61) (actual time=22.314..54.166 rows=10,000 loops=1)

4. 53.278 53.278 ↑ 1,003.8 10,000 1

Seq Scan on seven (cost=0.000..268,676.430 rows=10,038,043 width=61) (actual time=22.312..53.278 rows=10,000 loops=1)

5. 86,620.000 86,620.000 ↑ 1.0 1 10,000

Index Scan using uniform on two (cost=0.560..8.440 rows=1 width=764) (actual time=8.662..8.662 rows=1 loops=10,000)

  • Index Cond: ((november = 'victor'::text) AND (whiskey = seven.whiskey))