explain.depesz.com

PostgreSQL's explain analyze made readable

Result: rQHR : Optimization for: plan #aOkL

Settings

Optimization path:

# exclusive inclusive rows x rows loops node
1. 5.168 666.684 ↑ 1.0 100,000 1

Limit (cost=47.25..233,545.16 rows=100,000 width=146) (actual time=0.043..666.684 rows=100,000 loops=1)

2. 275.679 661.516 ↑ 10.0 100,000 1

Merge Join (cost=47.25..2,323,876.83 rows=995,225 width=146) (actual time=0.043..661.516 rows=100,000 loops=1)

  • Merge Cond: (tkts.tem_registro_consumo_id = bcr.id)
  • Join Filter: (to_char(CASE WHEN (tkts.last_update > bcr.last_update) THEN tkts.last_update ELSE bcr.last_update END, 'yyyymmdd'::text) >= '20180101'::text)
3. 48.142 48.142 ↑ 59.6 100,000 1

Index Scan using idx_bill_ticket_call_rec on bill_tickets tkts (cost=0.44..616,495.91 rows=5,961,415 width=48) (actual time=0.009..48.142 rows=100,000 loops=1)

  • Filter: (COALESCE(id_tem_bill_ivn_central, (-1)) > 0)
4. 337.695 337.695 ↑ 180.1 100,000 1

Index Scan using pk_bill_call_records on tem_registro_consumo bcr (cost=0.56..1,563,202.45 rows=18,012,607 width=102) (actual time=0.009..337.695 rows=100,000 loops=1)

  • Filter: ((status)::text = 'CHAMADA_TARIFADA'::text)
  • Rows Removed by Filter: 628016