explain.depesz.com

PostgreSQL's explain analyze made readable

Result: Aqrh : results_test - db.t2.medium

Settings
# exclusive inclusive rows x rows loops node
1. 98,852.324 98,852.324 ↑ 1.0 18,224,010 1

Seq Scan on dataset.results_test r (cost=0.00..1,147,185.30 rows=18,308,476 width=142) (actual time=17,520.031..98,852.324 rows=18,224,010 loops=1)

  • Output: dataset_id, key, detection_condition, measure_normalized, guidelines, create_timestamp, update_timestamp, activity_ukey, analytical_method_ukey, parameter_ukey, detection_quantitation_limit_ukey, monitoring_location_ukey
  • Filter: (r.dataset_id = 'f3877597-9114-4ace-ad6f-e8a68435c0ba'::uuid)
  • Rows Removed by Filter: 8,316,850
  • Buffers: shared hit=128 read=815,366
  • I/O Timings: read=88,795.494
Planning time : 1.758 ms