From: Tino Wildenhain <tino@wildenhain.de>
To: Jenny <jenny_tania@yahoo.com>
Cc: pgsql-general@postgresql.org
Cc: pgsql-sql@postgresql.org
Cc: pgsql-performance@postgresql.org
Subject: Re: need help
Date: Tue, 06 Dec 2005 09:54:40 +0100
Message-ID: <439551D0.5070904@wildenhain.de> (raw)
In-Reply-To: <20051206083838.90175.qmail@web31508.mail.mud.yahoo.com>
References: <20051206083838.90175.qmail@web31508.mail.mud.yahoo.com>
Jenny schrieb:
> I'm running PostgreSQL 8.0.3 on i686-pc-linux-gnu (Fedora Core 2). I've been
> dealing with Psql for over than 2 years now, but I've never had this case
> before.
>
> I have a table that has about 20 rows in it.
>
> Table "public.s_apotik"
> Column | Type | Modifiers
> -------------------+------------------------------+------------------
> obat_id | character varying(10) | not null
> stock | numeric | not null
> s_min | numeric | not null
> s_jual | numeric |
> s_r_jual | numeric |
> s_order | numeric |
> s_r_order | numeric |
> s_bs | numeric |
> last_receive | timestamp without time zone |
> Indexes:
> "s_apotik_pkey" PRIMARY KEY, btree(obat_id)
>
> When I try to UPDATE one of the row, nothing happens for a very long time.
> First, I run it on PgAdminIII, I can see the miliseconds are growing as I
> waited. Then I stop the query, because the time needed for it is unbelievably
> wrong.
>
> Then I try to run the query from the psql shell. For example, the table has
> obat_id : A, B, C, D.
> db=# UPDATE s_apotik SET stock = 100 WHERE obat_id='A';
> (.... nothing happens.. I press the Ctrl-C to stop it. This is what comes out
> :)
> Cancel request sent
> ERROR: canceling query due to user request
>
> (If I try another obat_id)
> db=# UPDATE s_apotik SET stock = 100 WHERE obat_id='B';
> (Less than a second, this is what comes out :)
> UPDATE 1
>
> I can't do anything to that row. I can't DELETE it. Can't DROP the table.
> I want this data out of my database.
> What should I do? It's like there's a falsely pointed index here.
> Any help would be very much appreciated.
>
1) lets hope you do regulary backups - and actually tested restore.
1a) if not, do it right now
2) reindex the table
3) try again to modify
Q: are there any foreign keys involved? If so, reindex those
tables too, just in case.
did you vacuum regulary?
HTH
Tino
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To: pgsql-sql@postgresql.org
Cc: tino@wildenhain.de, jenny_tania@yahoo.com, pgsql-general@postgresql.org, pgsql-performance@postgresql.org
Subject: Re: need help
In-Reply-To: <439551D0.5070904@wildenhain.de>
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