explain.depesz.com

PostgreSQL's explain analyze made readable

Result: vaRH

Settings
# exclusive inclusive rows x rows loops node
1. 1.492 13.142 ↑ 1.0 1,000 1

Limit (cost=3.86..392.91 rows=1,000 width=92) (actual time=0.381..13.142 rows=1,000 loops=1)

2. 1.676 11.650 ↑ 653.7 1,000 1

Merge Join (cost=3.86..254,310.90 rows=653,661 width=92) (actual time=0.379..11.650 rows=1,000 loops=1)

  • Merge Cond: (cabsueldos.nropatronal = empleado.nropatronal)
3. 0.115 0.833 ↑ 1,786.7 23 1

Merge Left Join (cost=0.71..15,490.36 rows=41,093 width=58) (actual time=0.195..0.833 rows=23 loops=1)

  • Merge Cond: (cabsueldos.nropatronal = empresas_sucursales.nro_patronal)
4. 0.116 0.116 ↑ 1,786.7 23 1

Index Scan using cabsueldos_nropatronal_anho_idx on cabsueldos (cost=0.42..9,389.57 rows=41,093 width=8) (actual time=0.021..0.116 rows=23 loops=1)

  • Index Cond: (anho = 2018)
  • Filter: (confirmado = 1)
  • Rows Removed by Filter: 1
5. 0.602 0.602 ↑ 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=0.066..0.602 rows=38 loops=1)

6. 9.141 9.141 ↑ 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=0.179..9.141 rows=1,000 loops=1)

  • Index Cond: (anho = 2018)