explain.depesz.com

PostgreSQL's explain analyze made readable

Result: xRPP

Settings
# exclusive inclusive rows x rows loops node
1. 2.462 19.992 ↑ 1.0 1,000 1

Limit (cost=3.86..391.37 rows=1,000 width=92) (actual time=2.648..19.992 rows=1,000 loops=1)

2. 2.128 17.530 ↑ 656.2 1,000 1

Merge Join (cost=3.86..254,292.44 rows=656,212 width=92) (actual time=2.646..17.530 rows=1,000 loops=1)

  • Merge Cond: (cabsueldos.nropatronal = empleado.nropatronal)
3. 0.149 3.257 ↑ 1,761.6 23 1

Merge Left Join (cost=0.71..15,447.69 rows=40,516 width=58) (actual time=0.192..3.257 rows=23 loops=1)

  • Merge Cond: (cabsueldos.nropatronal = empresas_sucursales.nro_patronal)
4. 0.130 0.130 ↑ 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=0.022..0.130 rows=23 loops=1)

  • Index Cond: (anho = 2018)
  • Filter: (confirmado = 1)
  • Rows Removed by Filter: 1
5. 2.978 2.978 ↑ 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=0.099..2.978 rows=38 loops=1)

6. 12.145 12.145 ↑ 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=2.413..12.145 rows=1,000 loops=1)

  • Index Cond: (anho = 2018)