explain.depesz.com

PostgreSQL's explain analyze made readable

Result: XN98

Settings
# exclusive inclusive rows x rows loops node
1. 0.002 0.072 ↑ 1.0 1 1

Result (cost=0.47..0.48 rows=1 width=8) (actual time=0.072..0.072 rows=1 loops=1)

2.          

Initplan (for Result)

3. 0.001 0.070 ↑ 1.0 1 1

Limit (cost=0.42..0.47 rows=1 width=8) (actual time=0.070..0.070 rows=1 loops=1)

4. 0.069 0.069 ↑ 100,001.0 1 1

Index Only Scan Backward using global_restriction_uidx on global_restriction g (cost=0.42..5,264.94 rows=100,001 width=8) (actual time=0.069..0.069 rows=1 loops=1)

  • Index Cond: (last_update IS NOT NULL)
  • Heap Fetches: 0
Planning time : 0.271 ms
Execution time : 0.090 ms