Re: very slow query

From: "A(dot) Kretschmer" <andreas(dot)kretschmer(at)schollglas(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: very slow query
Date: 2007-12-12 12:37:48
Message-ID: 20071212123748.GC4656@a-kretschmer.de
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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?

Andreas
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Andreas Kretschmer
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