explain.depesz.com

PostgreSQL's explain analyze made readable

Result: e3nx

Settings
# exclusive inclusive rows x rows loops node
1. 1.549 15.716 ↑ 1.0 1,000 1

Limit (cost=3.86..391.37 rows=1,000 width=92) (actual time=0.335..15.716 rows=1,000 loops=1)

2. 2.922 14.167 ↑ 656.2 1,000 1

Merge Join (cost=3.86..254,292.44 rows=656,212 width=92) (actual time=0.333..14.167 rows=1,000 loops=1)

  • Merge Cond: (cabsueldos.nropatronal = empleado.nropatronal)
3. 0.120 7.677 ↑ 1,761.6 23 1

Merge Left Join (cost=0.71..15,447.69 rows=40,516 width=58) (actual time=0.138..7.677 rows=23 loops=1)

  • Merge Cond: (cabsueldos.nropatronal = empresas_sucursales.nro_patronal)
4. 0.321 0.321 ↑ 1,761.6 23 1

Index Scan using cabsueldos_nropatronal_anho_idx on cabsueldos (cost=0.42..9,354.59 rows=40,516 width=8) (actual time=0.023..0.321 rows=23 loops=1)

  • Index Cond: (anho = 2018)
  • Filter: (confirmado = 1)
  • Rows Removed by Filter: 1
5. 7.236 7.236 ↑ 1,552.8 38 1

Index Scan using empresas_sucursales_nro_patronal_key on empresas_sucursales (cost=0.29..5,511.93 rows=59,005 width=54) (actual time=0.048..7.236 rows=38 loops=1)

6. 3.568 3.568 ↑ 683.2 1,000 1

Index Scan using empleado_nropatronal_documento_anho_idx on empleado (cost=0.43..230,493.62 rows=683,223 width=42) (actual time=0.190..3.568 rows=1,000 loops=1)

  • Index Cond: (anho = 2018)