Assoclist is still slow and I am not seeing it

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От Joel Fradkin
Тема Assoclist is still slow and I am not seeing it
Дата
Msg-id 000001c50bca$f7cc5530$797ba8c0@jfradkin
обсуждение исходный текст
Список pgsql-sql

Hi,

I asked about this before and am still fighting for success; any ideas I tried adding a index on jobtitle.

 

Explain analyze returns

 

QUERY PLAN

"Merge Join  (cost=53053.05..53652.66 rows=4888 width=113) (actual time=9788.066..11042.584 rows=85694 loops=1)"

"  Merge Cond: (""outer"".locationid = ""inner"".locationid)"

"  ->  Sort  (cost=604.65..605.45 rows=319 width=49) (actual time=5.367..6.729 rows=402 loops=1)"

"        Sort Key: l.locationid"

"        ->  Index Scan using ix_location on tbllocation l  (cost=0.00..591.38 rows=319 width=49) (actual time=0.193..3.548 rows=402 loops=1)"

"              Index Cond: ('SAKS'::text = (clientnum)::text)"

"  ->  Sort  (cost=52448.40..52710.82 rows=104970 width=75) (actual time=9782.634..10100.572 rows=85695 loops=1)"

"        Sort Key: a.locationid"

"        ->  Merge Right Join  (cost=39859.63..41130.10 rows=104970 width=75) (actual time=6811.114..8284.253 rows=99139 loops=1)"

"              Merge Cond: (((""outer"".clientnum)::text = ""inner"".""?column10?"") AND (""outer"".id = ""inner"".jobtitleid))"

"              ->  Index Scan using ix_tbljobtitle_id on tbljobtitle jt  (cost=0.00..226.47 rows=6343 width=37) (actual time=0.089..33.082 rows=5662 loops=1)"

"                    Filter: (1 = presentationid)"

"              ->  Sort  (cost=39859.63..40122.06 rows=104970 width=53) (actual time=6763.992..7160.587 rows=99139 loops=1)"

"                    Sort Key: (a.clientnum)::text, a.jobtitleid"

"                    ->  Seq Scan on tblassociate a  (cost=0.00..31105.34 rows=104970 width=53) (actual time=0.478..1831.000 rows=99139 loops=1)"

"                          Filter: ((clientnum)::text = 'SAKS'::text)"

"Total runtime: 11319.403 ms"

 

Joel Fradkin

 

Wazagua, Inc.
2520 Trailmate Dr
Sarasota, Florida 34243
Tel.  941-753-7111 ext 305

 

jfradkin@wazagua.com
www.wazagua.com
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