Re: it is always delete temp table will slow down the postmaster?

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
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----- 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
>
>
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