explain.depesz.com

PostgreSQL's explain analyze made readable

Result: LOsk

Settings
# exclusive inclusive rows x rows loops node
1. 511.293 511.293 ↑ 2.6 10,309 1

CTE Scan on rec (cost=17,228.06..18,283.06 rows=26,375 width=125) (actual time=0.080..511.293 rows=10,309 loops=1)

  • Filter: (NOT isdeleted)
2.          

CTE rec

3. 3.402 506.634 ↑ 5.1 10,309 1

Recursive Union (cost=0.57..17,228.06 rows=52,750 width=76) (actual time=0.078..506.634 rows=10,309 loops=1)

4. 0.001 0.080 ↑ 20.0 2 1

Nested Loop (cost=0.57..48.22 rows=40 width=76) (actual time=0.076..0.080 rows=2 loops=1)

5. 0.001 0.075 ↑ 20.0 2 1

Nested Loop (cost=0.29..33.18 rows=40 width=16) (actual time=0.074..0.075 rows=2 loops=1)

6. 0.070 0.070 ↑ 1.0 1 1

Seq Scan on svnfiles fl (cost=0.00..11.14 rows=1 width=4) (actual time=0.069..0.070 rows=1 loops=1)

  • Filter: (name = 'UY2MV9ZXMY'::text)
  • Rows Removed by Filter: 570
7. 0.004 0.004 ↑ 20.0 2 1

Index Scan using idx_svn_log_entry_details_file_id on svnlogentrydetails fed (cost=0.29..21.64 rows=40 width=16) (actual time=0.003..0.004 rows=2 loops=1)

  • Index Cond: (fileid = fl.id)
8. 0.004 0.004 ↑ 1.0 1 2

Index Scan using svnlogentries_pkey on svnlogentries fe (cost=0.29..0.37 rows=1 width=64) (actual time=0.001..0.002 rows=1 loops=2)

  • Index Cond: (id = fed.logid)
9. 133.991 503.152 ↑ 53.2 99 104

Hash Join (cost=824.48..1,612.48 rows=5,271 width=76) (actual time=4.268..4.838 rows=99 loops=104)

  • Hash Cond: (fe_1.id = fed_1.logid)
  • Join Filter: (fe_1.revision <= rec_1.copyrevision)
  • Rows Removed by Join Filter: 0
10. 121.849 121.849 ↑ 1.0 22,571 103

Seq Scan on svnlogentries fe_1 (cost=0.00..505.71 rows=22,571 width=64) (actual time=0.002..1.183 rows=22,571 loops=103)

11. 1.976 247.312 ↑ 159.7 99 104

Hash (cost=626.83..626.83 rows=15,812 width=20) (actual time=2.378..2.378 rows=99 loops=104)

  • Buckets: 16384 Batches: 1 Memory Usage: 128kB
12. 139.131 245.336 ↑ 159.7 99 104

Hash Join (cost=35.35..626.83 rows=15,812 width=20) (actual time=1.799..2.359 rows=99 loops=104)

  • Hash Cond: (fed_1.fileid = fl_1.id)
13. 104.957 104.957 ↑ 1.0 22,572 103

Seq Scan on svnlogentrydetails fed_1 (cost=0.00..348.72 rows=22,572 width=16) (actual time=0.003..1.019 rows=22,572 loops=103)

14. 0.208 1.248 ↑ 400.0 1 104

Hash (cost=30.35..30.35 rows=400 width=12) (actual time=0.012..0.012 rows=1 loops=104)

  • Buckets: 1024 Batches: 1 Memory Usage: 8kB
15. 0.494 1.040 ↑ 400.0 1 104

Hash Join (cost=16.85..30.35 rows=400 width=12) (actual time=0.003..0.010 rows=1 loops=104)

  • Hash Cond: (rec_1.copyfile = fl_1.id)
16. 0.416 0.416 ↑ 4.0 99 104

WorkTable Scan on rec rec_1 (cost=0.00..8.00 rows=400 width=8) (actual time=0.000..0.004 rows=99 loops=104)

17. 0.071 0.130 ↑ 1.0 571 1

Hash (cost=9.71..9.71 rows=571 width=4) (actual time=0.130..0.130 rows=571 loops=1)

  • Buckets: 1024 Batches: 1 Memory Usage: 29kB
18. 0.059 0.059 ↑ 1.0 571 1

Seq Scan on svnfiles fl_1 (cost=0.00..9.71 rows=571 width=4) (actual time=0.009..0.059 rows=571 loops=1)