| From: | Dave Cramer <pg(at)fastcrypt(dot)com> |
|---|---|
| To: | Joost Kraaijeveld <J(dot)Kraaijeveld(at)Askesis(dot)nl> |
| Cc: | pgsql-general(at)postgresql(dot)org, pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: [PERFORM] Locking in PostgreSQL? |
| Date: | 2006-12-06 12:29:37 |
| Message-ID: | 30BD1C9A-1664-4290-B343-0FB1FEBA7B53@fastcrypt.com |
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| Thread: | |
| Lists: | pgsql-general pgsql-performance |
Unless you specifically ask for it postgresql doesn't lock any rows
when you update data.
Dave
On 6-Dec-06, at 2:04 AM, Joost Kraaijeveld wrote:
> Does PostgreSQL lock the entire row in a table if I update only 1
> column?
>
>
> --
> Groeten,
>
> Joost Kraaijeveld
> Askesis B.V.
> Molukkenstraat 14
> 6524NB Nijmegen
> tel: 024-3888063 / 06-51855277
> fax: 024-3608416
> web: www.askesis.nl
>
> ---------------------------(end of
> broadcast)---------------------------
> TIP 9: In versions below 8.0, the planner will ignore your desire to
> choose an index scan if your joining column's datatypes do not
> match
>
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