Re: very slow query

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От Ashish Karalkar
Тема Re: very slow query
Дата
Msg-id 223539.24267.qm@web94310.mail.in2.yahoo.com
обсуждение исходный текст
Ответ на Re: very slow query  ("A. Kretschmer" <andreas.kretschmer@schollglas.com>)
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"A. Kretschmer" <andreas.kretschmer@schollglas.com> wrote:
am Wed, dem 12.12.2007, um 12:25:20 +0000 mailte Ashish Karalkar folgendes:
> > here is the output from planner:
> > Nested Loop IN Join (cost=0.00..5030217.97 rows=2 width=106)
> > -> Seq Scan on sms_new (cost=0.00..5027902.00 rows=384 width=106)
> > Filter: (mobile = 919820920858::bigint)
>
> Do you have an index on "mobile"? Can you show us the table definition
> and the output from EXPLAIN ANALYSE?
>
> no index on mobile

Seq Scan on sms_new ... Filter: (mobile = 919820920858::bigint)
(cost=0.00..5027902.00


Can you see the problem?

So i will have to create index on mobile is taht so?


Andreas
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Andreas Kretschmer
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