explain.depesz.com

PostgreSQL's explain analyze made readable

Result: gKaU

Settings
# exclusive inclusive rows x rows loops node
1. 524.295 524.295 ↑ 5.1 10,309 1

CTE Scan on rec (cost=17,228.06..18,283.06 rows=52,750 width=124) (actual time=0.112..524.295 rows=10,309 loops=1)

2.          

CTE rec

3. 3.280 520.274 ↑ 5.1 10,309 1

Recursive Union (cost=0.57..17,228.06 rows=52,750 width=75) (actual time=0.111..520.274 rows=10,309 loops=1)

4. 0.002 0.114 ↑ 20.0 2 1

Nested Loop (cost=0.57..48.22 rows=40 width=75) (actual time=0.110..0.114 rows=2 loops=1)

5. 0.002 0.108 ↑ 20.0 2 1

Nested Loop (cost=0.29..33.18 rows=40 width=16) (actual time=0.106..0.108 rows=2 loops=1)

6. 0.102 0.102 ↑ 1.0 1 1

Seq Scan on svnfiles fl (cost=0.00..11.14 rows=1 width=4) (actual time=0.101..0.102 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=63) (actual time=0.002..0.002 rows=1 loops=2)

  • Index Cond: (id = fed.logid)
  • Filter: (NOT isdeleted)
9. 139.428 516.880 ↑ 53.2 99 104

Hash Join (cost=824.48..1,612.48 rows=5,271 width=75) (actual time=4.385..4.970 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. 124.836 124.836 ↑ 1.0 22,571 103

Seq Scan on svnlogentries fe_1 (cost=0.00..505.71 rows=22,571 width=63) (actual time=0.002..1.212 rows=22,571 loops=103)

11. 1.976 252.616 ↑ 159.7 99 104

Hash (cost=626.83..626.83 rows=15,812 width=20) (actual time=2.429..2.429 rows=99 loops=104)

  • Buckets: 16384 Batches: 1 Memory Usage: 128kB
12. 142.788 250.640 ↑ 159.7 99 104

Hash Join (cost=35.35..626.83 rows=15,812 width=20) (actual time=1.868..2.410 rows=99 loops=104)

  • Hash Cond: (fed_1.fileid = fl_1.id)
13. 106.708 106.708 ↑ 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..1.036 rows=22,572 loops=103)

14. 0.104 1.144 ↑ 400.0 1 104

Hash (cost=30.35..30.35 rows=400 width=12) (actual time=0.011..0.011 rows=1 loops=104)

  • Buckets: 1024 Batches: 1 Memory Usage: 8kB
15. 0.448 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. 0.093 0.176 ↑ 1.0 571 1

Hash (cost=9.71..9.71 rows=571 width=4) (actual time=0.176..0.176 rows=571 loops=1)

  • Buckets: 1024 Batches: 1 Memory Usage: 29kB
18. 0.083 0.083 ↑ 1.0 571 1

Seq Scan on svnfiles fl_1 (cost=0.00..9.71 rows=571 width=4) (actual time=0.010..0.083 rows=571 loops=1)