explain.depesz.com

PostgreSQL's explain analyze made readable

Result: w9fT

Settings
# exclusive inclusive rows x rows loops node
1. 1.549 13.857 ↑ 1.0 1,000 1

Limit (cost=9.64..399.90 rows=1,000 width=92) (actual time=0.380..13.857 rows=1,000 loops=1)

2. 1.807 12.308 ↑ 651.5 1,000 1

Merge Join (cost=9.64..254,271.19 rows=651,510 width=92) (actual time=0.377..12.308 rows=1,000 loops=1)

  • Merge Cond: (cabsueldos.nropatronal = empleado.nropatronal)
3. 0.118 1.092 ↑ 1,751.5 23 1

Merge Left Join (cost=0.71..15,475.35 rows=40,284 width=58) (actual time=0.166..1.092 rows=23 loops=1)

  • Merge Cond: (cabsueldos.nropatronal = empresas_sucursales.nro_patronal)
4. 0.149 0.149 ↑ 1,751.5 23 1

Index Scan using uniq1 on cabsueldos (cost=0.42..9,385.15 rows=40,284 width=8) (actual time=0.050..0.149 rows=23 loops=1)

  • Index Cond: (anho = 2018)
  • Filter: (confirmado = 1)
  • Rows Removed by Filter: 1
5. 0.825 0.825 ↑ 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=0.044..0.825 rows=38 loops=1)

6. 9.409 9.409 ↑ 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=0.206..9.409 rows=1,000 loops=1)

  • Index Cond: (anho = 2018)