From: | "Chun Yit(Chronos)" <ivanbeh(at)chronos(dot)com(dot)my> |
---|---|
To: | "Qingqing Zhou" <zhouqq(at)cs(dot)toronto(dot)edu>, <pgsql-performance(at)postgresql(dot)org> |
Subject: | Re: it is always delete temp table will slow down the postmaster? |
Date: | 2005-08-11 07:03:30 |
Message-ID: | 001001c59e42$c9e9cca0$a279640a@Beh |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-performance |
----- Original Message -----
From: "Qingqing Zhou" <zhouqq(at)cs(dot)toronto(dot)edu>
To: <pgsql-performance(at)postgresql(dot)org>
Sent: Thursday, August 11, 2005 2:37 PM
Subject: Re: [PERFORM] it is always delete temp table will slow down the
postmaster?
>
> ""Chun Yit(Chronos)"" <ivanbeh(at)chronos(dot)com(dot)my> writes
>>
>>hi, i got one situation here, i create one pl/pgsql function that using
> temp table to store temporary data.
>>wherever i execute my function, i need to delete all the data inside the
> temp table, but this will slow down the
>>searching function if i conitnue to run the server because old tuples are
> not really clear if just using delete command.
>>so i use drop table command and recreate the table.
>
> A better way to empty a table fast is "truncate table".
>
> Regards,
> Qingqing
>
>sorry, but truncate table cannot use inside function, any other way ?
>Regards
>ivan
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 3: Have you checked our extensive FAQ?
>
> http://www.postgresql.org/docs/faq
>
>
> --
> No virus found in this incoming message.
> Checked by AVG Anti-Virus.
> Version: 7.0.338 / Virus Database: 267.10.5/68 - Release Date: 10/Aug/05
>
From | Date | Subject | |
---|---|---|---|
Next Message | Tino Wildenhain | 2005-08-11 07:24:08 | Re: Speedier count(*) |
Previous Message | Qingqing Zhou | 2005-08-11 06:37:20 | Re: it is always delete temp table will slow down the postmaster? |