Re: [GENERAL] need help
От | Tino Wildenhain |
---|---|
Тема | Re: [GENERAL] need help |
Дата | |
Msg-id | 439551D0.5070904@wildenhain.de обсуждение исходный текст |
Ответы |
Re: [GENERAL] need help
|
Список | pgsql-performance |
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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