explain.depesz.com

PostgreSQL's explain analyze made readable

Result: zYcE : Optimization for: Optimization for: plan #E3qw; plan #BFpM

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Optimization path:

Optimization(s) for this plan:

# exclusive inclusive rows x rows loops node
1. 0.076 12.036 ↑ 1.3 3 1

Result (cost=681.45..682.51 rows=4 width=249) (actual time=12.018..12.036 rows=3 loops=1)

  • Output: romeo_three1.juliet_delta, romeo_three1.oscar, romeo_three1.november_seven, romeo_three1.three_five, romeo_three1.foxtrot_bravo, romeo_three1.lima_romeo, romeo_three1.seven_seven, romeo_three2.juliet_delta, romeo_three2.three_zulu, CASE WHEN (quebec_echo(romeo_three2.quebec_bravo) > 1316) THEN romeo_three3.charlie ELSE NULL::character varying END, romeo_three1.mike
  • Buffers: shared hit=3,925 read=249
2. 0.013 11.960 ↑ 1.3 3 1

Sort (cost=681.45..681.46 rows=4 width=264) (actual time=11.958..11.960 rows=3 loops=1)

  • Output: romeo_three1.juliet_delta, romeo_three1.oscar, romeo_three1.november_seven, romeo_three1.three_five, romeo_three1.foxtrot_bravo, romeo_three1.lima_romeo, romeo_three1.seven_seven, romeo_three2.juliet_delta, romeo_three2.three_zulu, romeo_three1.mike, romeo_three2.quebec_bravo, romeo_three3.charlie
  • Sort Key: romeo_three1.lima_romeo, romeo_three1.foxtrot_bravo DESC, romeo_three1.mike DESC
  • Sort Method: quicksort Memory: 26kB
  • Buffers: shared hit=3,925 read=249
3. 0.006 11.947 ↑ 1.3 3 1

Nested Loop Left Join (cost=656.60..681.41 rows=4 width=264) (actual time=11.935..11.947 rows=3 loops=1)

  • Output: romeo_three1.juliet_delta, romeo_three1.oscar, romeo_three1.november_seven, romeo_three1.three_five, romeo_three1.foxtrot_bravo, romeo_three1.lima_romeo, romeo_three1.seven_seven, romeo_three2.juliet_delta, romeo_three2.three_zulu, romeo_three1.mike, romeo_three2.quebec_bravo, romeo_three3.charlie
  • Buffers: shared hit=3,925 read=249
4. 0.007 11.932 ↑ 1.3 3 1

Nested Loop (cost=656.18..670.82 rows=4 width=235) (actual time=11.924..11.932 rows=3 loops=1)

  • Output: romeo_three1.juliet_delta, romeo_three1.oscar, romeo_three1.november_seven, romeo_three1.three_five, romeo_three1.foxtrot_bravo, romeo_three1.lima_romeo, romeo_three1.seven_seven, romeo_three1.mike, romeo_three1.quebec_seven, romeo_three2.juliet_delta, romeo_three2.three_zulu, romeo_three2.quebec_bravo
  • Join Filter: (romeo_three1.mike >= romeo_three2.echo)
  • Buffers: shared hit=3,916 read=249
5. 0.009 0.009 ↑ 1.0 1 1

Index Scan using sierra_delta on six foxtrot_juliet (cost=0.28..2.50 rows=1 width=85) (actual time=0.008..0.009 rows=1 loops=1)

  • Output: romeo_three2.quebec_seven, romeo_three2.delta_uniform_lima, romeo_three2.echo, romeo_three2.lima_seven, romeo_three2.romeo_kilo, romeo_three2.hotel, romeo_three2.lima_delta, romeo_three2.three_zulu, romeo_three2.juliet_delta, romeo_three2.quebec_bravo, romeo_three2.romeo_echo, romeo_three2.papa_bravo, romeo_three2.golf_romeo, romeo_three2.india_foxtrot, romeo_three2.uniform
  • Index Cond: (romeo_three2.quebec_seven = 657)
  • Buffers: shared hit=3
6. 0.014 11.916 ↑ 3.7 3 1

Bitmap Heap Scan on two_india four_uniform (cost=655.90..668.19 rows=11 width=174) (actual time=11.911..11.916 rows=3 loops=1)

  • Output: romeo_three1.quebec_seven, romeo_three1.delta_uniform_lima, romeo_three1.three_five, romeo_three1.seven_seven, romeo_three1.november_seven, romeo_three1.mike, romeo_three1.foxtrot_bravo, romeo_three1.golf_echo, romeo_three1.zulu, romeo_three1.oscar, romeo_three1.victor_tango, romeo_three1.lima_echo, romeo_three1.juliet_hotel, romeo_three1.lima_romeo, romeo_three1.november_romeo, romeo_three1.yankee_papa, romeo_three1.four_sierra, romeo_three1.juliet_delta, romeo_three1.papa_bravo, romeo_three1.two_romeo, romeo_three1.yankee_tango, romeo_three1.quebec_xray, romeo_three1.whiskey_five, romeo_three1.delta_uniform_two, romeo_three1.seven_bravo
  • Recheck Cond: ((romeo_three1.lima_echo = 657) AND ((romeo_three1.lima_romeo)::text = ANY ('lima_five'::text[])))
  • Filter: ((NOT romeo_three1.seven_seven) AND ((NOT romeo_three1.papa_bravo) OR (romeo_three1.papa_bravo five NULL)))
  • Heap Blocks: exact=3
  • Buffers: shared hit=3,913 read=249
7. 0.127 11.902 ↓ 0.0 0 1

BitmapAnd (cost=655.90..655.90 rows=11 width=0) (actual time=11.901..11.902 rows=0 loops=1)

  • Buffers: shared hit=3,910 read=249
8. 0.238 0.238 ↓ 1.2 1,742 1

Bitmap Index Scan on three_india (cost=0.00..26.07 rows=1,511 width=0) (actual time=0.238..0.238 rows=1,742 loops=1)

  • Index Cond: (romeo_three1.lima_echo = 657)
  • Buffers: shared hit=12
9. 11.537 11.537 ↑ 1.0 39,654 1

Bitmap Index Scan on papa_yankee (cost=0.00..629.58 rows=40,380 width=0) (actual time=11.537..11.537 rows=39,654 loops=1)

  • Index Cond: ((romeo_three1.lima_romeo)::text = ANY ('lima_five'::text[]))
  • Buffers: shared hit=3,898 read=249
10. 0.009 0.009 ↓ 0.0 0 3

Index Scan using whiskey_juliet on victor_uniform india_november (cost=0.42..2.64 rows=1 width=45) (actual time=0.003..0.003 rows=0 loops=3)

  • Output: romeo_three3.quebec_seven, romeo_three3.delta_uniform_lima, romeo_three3.sierra_foxtrot, romeo_three3.charlie
  • Index Cond: (romeo_three1.quebec_seven = romeo_three3.sierra_foxtrot)
  • Buffers: shared hit=9
Planning time : 0.460 ms
Execution time : 12.097 ms