Re: SELECT COUNT(*)... returns 0 ROWS

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Тема Re: SELECT COUNT(*)... returns 0 ROWS
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Msg-id WorldClient-F200310311559.AA59210216@coopelesca.co.cr
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Ответ на Re: SELECT COUNT(*)... returns 0 ROWS  (Tom Lane <tgl@sss.pgh.pa.us>)
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Thank to all

I was in the WRONG database. Sorry, and thanks!


-----Original Message-----
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Jeff <threshar@torgo.978.org>
Cc: "PostgreSQL" <postgres@coopelesca.co.cr>, pgsql-admin@postgresql.org
Date: Fri, 31 Oct 2003 16:27:31 -0500
Subject: Re: [ADMIN] SELECT COUNT(*)... returns 0 ROWS

> Jeff <threshar@torgo.978.org> writes:
> > "PostgreSQL" <postgres@coopelesca.co.cr> wrote:
> >> Why the result us CERO? the table have 1.400.000 rows!
>
> > 1. did you remember to load data?
> > 2. did someone accidentally delete the data?
> > 3. are you connected to the correct db (I've panic'd before but
> realized
> > I was on dev, not production!)?
> > 4. sure that is the right table?
>
> I'm wondering about MVCC-related conditions, which adds a couple
> more questions:
>
> 5. Did you actually commit the transaction that loaded the rows?
> 6. Are you doing the SELECT COUNT(*) in a transaction that started
>    before the data-loading transaction committed?
>
>             regards, tom lane
>
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