explain.depesz.com

PostgreSQL's explain analyze made readable

Result: lw1T : Optimization for: plan #LJGN

Settings

Optimization path:

# exclusive inclusive rows x rows loops node
1. 0.006 0.065 ↑ 1.0 1 1

Limit (cost=8.48..8.48 rows=1 width=9) (actual time=0.060..0.065 rows=1 loops=1)

2. 0.017 0.059 ↑ 2.0 1 1

Sort (cost=8.48..8.49 rows=2 width=9) (actual time=0.057..0.059 rows=1 loops=1)

  • Sort Key: wrote_on DESC
  • Sort Method: top-N heapsort Memory: 25kB
3. 0.042 0.042 ↓ 1.5 3 1

Index Scan using "IX_tax_commitment_document_history_task_id" on tax_commitment_document_history dh (cost=0.42..8.47 rows=2 width=9) (actual time=0.035..0.042 rows=3 loops=1)

  • Index Cond: (task_id = 513938)
Planning time : 0.166 ms
Execution time : 0.109 ms