| From: | Andrew Dunstan <andrew(at)dunslane(dot)net> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Mark Woodward <pgsql(at)mohawksoft(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Query Failed, out of memory |
| Date: | 2006-10-05 16:49:59 |
| Message-ID: | 452537B7.3090005@dunslane.net |
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| Lists: | pgsql-hackers |
Tom Lane wrote:
> "Mark Woodward" <pgsql(at)mohawksoft(dot)com> writes:
>
>> psql -p 5435 -U pgsql -t -A -c "select client, item, rating, day from
>> ratings order by client" netflix > netflix.txt
>>
>
> FWIW, there's a feature in CVS HEAD to instruct psql to try to use a
> cursor to break up huge query results like this. For the moment I'd
> suggest using COPY instead.
>
>
>
but COPY doesn't guarantee any order.
BTW, I just this morning discovered the hard way that our linux boxes
didn't have strict memory allocation turned on, and then went and set
it. I'd advise Mark to do the same, if he hasn't already.
cheers
andrew
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