On 01/09/2017 03:38 PM, Job wrote:
Please also reply to list. I do not have time at the moment to go
through this, someone else on the list might.
Hi Adrian,
You are right; here is the query and the planner.
I think indexes are not used at all!
/F
EXPLAIN ANALYZE select
webrecord.dominio
from webrecord
left join grucategorie on grucategorie.codcategoria=webrecord.categoria
and grucategorie.codgruppo='f50147_01'
left join grulist on grulist.nome=webrecord.dominio and
grulist.codgruppo='f50147_01' and grulist.stato in (1)
left join firewall_geo_reject on
firewall_geo_reject.country=webrecord.country and
firewall_geo_reject.codgruppo='f50147_01'
left join gruorari_tmp on gruorari_tmp.idgrucate=grucategorie.id
where dominio='PATTERN'
and ( grulist.stato=1 OR grucategorie.codcategoria is not null OR
firewall_geo_reject.country is not null )
and ( gruorari_tmp.id is null or ( 1 = gg_sett and '17:23:00'::time
between gruorari_tmp.dalle and gruorari_tmp.alle ) )
and NOT EXISTS (select 1 from grulist where stato=2 and
codgruppo='f50147_01' and nome='PATTERN')
limit 1;
QUERY PLAN
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Limit (cost=130.51..172.16 rows=1 width=14) (actual time=436.537..436.538
rows=1 loops=1)
InitPlan 1 (returns $0)
-> Index Only Scan using aaa_idx on grulist grulist_1 (cost=0.29..80.31
rows=1 width=0) (actual time=0.062..0.062 rows=0 loops=1)
Index Cond: ((stato = '2'::numeric) AND (codgruppo =
'f50147_01'::text) AND (nome = 'PATTERN'::text))
Heap Fetches: 0
-> Result (cost=50.21..303115.67 rows=7277 width=14) (actual
time=436.534..436.534 rows=1 loops=1)
One-Time Filter: (NOT $0)
-> Nested Loop Left Join (cost=50.21..303115.67 rows=7277 width=14)
(actual time=436.463..436.463 rows=1 loops=1)
Join Filter: ((grulist.nome)::text = (webrecord.dominio)::text)
Filter: ((grulist.stato = '1'::numeric) OR
(grucategorie.codcategoria IS NOT NULL) OR (firewall_geo_reject.country IS NOT
NULL))
-> Nested Loop Left Join (cost=49.92..302908.01 rows=7277
width=25) (actual time=436.347..436.347 rows=1 loops=1)
Join Filter: ((firewall_geo_reject.country)::text =
(webrecord.country)::text)
Rows Removed by Join Filter: 13
-> Nested Loop Left Join (cost=49.92..300318.08
rows=7277 width=46) (actual time=431.407..431.407 rows=1 loops=1)
Join Filter: ((grucategorie.codcategoria)::text =
(webrecord.categoria)::text)
Rows Removed by Join Filter: 18
Filter: ((gruorari_tmp.id IS NULL) OR ((1 =
gruorari_tmp.gg_sett) AND ('17:23:00'::time without time zone >=
gruorari_tmp.dalle) AND ('17:23:00'::time without time zone <= gruorari_tmp.alle)))
-> Seq Scan on webrecord (cost=0.00..249584.12
rows=159614 width=70) (actual time=430.696..430.696 rows=1 loops=1)
Filter: ((dominio)::text = 'PATTERN'::text)
Rows Removed by Filter: 596858
-> Materialize (cost=49.92..455.58 rows=14
width=35) (actual time=0.663..0.689 rows=19 loops=1)
-> Hash Left Join (cost=49.92..455.51
rows=14 width=35) (actual time=0.639..0.656 rows=19 loops=1)
Hash Cond: (grucategorie.id =
gruorari_tmp.idgrucate)
-> Bitmap Heap Scan on grucategorie
(cost=40.40..445.70 rows=14 width=17) (actual time=0.142..0.143 rows=19 loops=1)
Recheck Cond: ((codgruppo)::text =
'f50147_01'::text)
Heap Blocks: exact=5
-> Bitmap Index Scan on
grucategorie_codgruppo_idx (cost=0.00..40.39 rows=14 width=0) (actual
time=0.084..0.084 rows=83 loops=1)
Index Cond:
((codgruppo)::text = 'f50147_01'::text)
-> Hash (cost=5.90..5.90 rows=290
width=36) (actual time=0.381..0.381 rows=290 loops=1)
Buckets: 1024 Batches: 1 Memory
Usage: 29kB
-> Seq Scan on gruorari_tmp
(cost=0.00..5.90 rows=290 width=36) (actual time=0.023..0.176 rows=290 loops=1)
-> Materialize (cost=0.00..297.73 rows=21 width=3)
(actual time=0.151..4.928 rows=13 loops=1)
-> Seq Scan on firewall_geo_reject
(cost=0.00..297.62 rows=21 width=3) (actual time=0.141..4.912 rows=13 loops=1)
Filter: ((codgruppo)::text = 'f50147_01'::text)
Rows Removed by Filter: 15717
-> Materialize (cost=0.29..80.31 rows=1 width=19) (actual
time=0.109..0.109 rows=0 loops=1)
-> Index Scan using bbb_idx on grulist (cost=0.29..80.31
rows=1 width=19) (actual time=0.095..0.095 rows=0 loops=1)
Index Cond: (((codgruppo)::text = 'f50147_01'::text)
AND (stato = '1'::numeric))
Filter: ((nome)::text = 'PATTERN'::text)
Rows Removed by Filter: 1
Planning time: 14.996 ms
Execution time: 436.840 ms
--
Adrian Klaver
adrian.kla...@aklaver.com
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