explain.depesz.com

PostgreSQL's explain analyze made readable

Result: Ztq7

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

Nested Loop (cost=0.00..66.01 rows=1 width=250) (actual time=0.057..0.072 rows=1 loops=1)

  • Join Filter: (tg.test_group_key = tsr.test_group_key)
2. 0.002 0.061 ↑ 1.0 1 1

Nested Loop (cost=0.00..59.39 rows=1 width=270) (actual time=0.048..0.061 rows=1 loops=1)

3. 0.019 0.056 ↑ 1.0 1 1

Nested Loop Left Join (cost=0.00..59.11 rows=1 width=302) (actual time=0.044..0.056 rows=1 loops=1)

  • Join Filter: (m31sts.status = upper(m.status))
  • Rows Removed by Join Filter: 29
4. 0.001 0.033 ↑ 1.0 1 1

Nested Loop (cost=0.00..57.36 rows=1 width=317) (actual time=0.031..0.033 rows=1 loops=1)

5. 0.002 0.020 ↑ 2.0 1 1

Nested Loop (cost=0.00..36.40 rows=2 width=315) (actual time=0.019..0.020 rows=1 loops=1)

6. 0.000 0.014 ↑ 2.0 1 1

Append (cost=0.00..19.60 rows=2 width=310) (actual time=0.014..0.014 rows=1 loops=1)

7. 0.000 0.000 ↓ 0.0 0 1

Seq Scan on measurement m (cost=0.00..0.00 rows=1 width=400) (actual time=0.000..0.000 rows=0 loops=1)

  • Filter: ((activity_key = 12) AND (line_id = 41))
8. 0.014 0.014 ↑ 1.0 1 1

Index Scan using measurement_old_line_id_idx on measurement_old m (cost=0.00..19.60 rows=1 width=220) (actual time=0.014..0.014 rows=1 loops=1)

  • Index Cond: (line_id = 41)
  • Filter: (activity_key = 12)
9. 0.004 0.004 ↑ 1.0 1 1

Index Scan using migration_recipe_tmp_pkey on migration_recipe_tmp mrt (cost=0.00..8.39 rows=1 width=12) (actual time=0.004..0.004 rows=1 loops=1)

  • Index Cond: (test_type_key = m.test_type_key)
10. 0.012 0.012 ↑ 1.0 1 1

Index Scan using pk_migration_test_step_tmp on migration_test_step_tmp tst (cost=0.00..10.47 rows=1 width=46) (actual time=0.011..0.012 rows=1 loops=1)

  • Index Cond: ((test_type_key = mrt.recipe_key) AND (sub_pm = m.sub_pm) AND (pm_group_code_key = m.pm_group_code_key))
11. 0.004 0.004 ↑ 1.0 30 1

Seq Scan on status m31sts (cost=0.00..1.30 rows=30 width=10) (actual time=0.001..0.004 rows=30 loops=1)

12. 0.003 0.003 ↑ 1.0 1 1

Index Scan using test_group_name_idx on test_group tg (cost=0.00..0.27 rows=1 width=17) (actual time=0.003..0.003 rows=1 loops=1)

  • Index Cond: (name = tst.pm_group_code_key)
13. 0.009 0.009 ↑ 1.0 1 1

Index Scan using test_step_recipe_key_idx on test_step_recipe tsr (cost=0.00..6.61 rows=1 width=32) (actual time=0.007..0.009 rows=1 loops=1)

  • Index Cond: (recipe_key = tst.test_type_key)
  • Filter: (tst.test_step_key = test_step_key)
  • Rows Removed by Filter: 19"Total runtime: 0.157 ms