From: | Andrew Dunstan <andrew(at)dunslane(dot)net> |
---|---|
To: | Böszörményi Zoltán <zboszor(at)dunaweb(dot)hu>, Bruce Momjian <bruce(at)momjian(dot)us>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-patches(at)postgresql(dot)org |
Subject: | Re: [HACKERS] Performance testing of COPY (SELECT) TO |
Date: | 2006-08-28 15:03:14 |
Message-ID: | 44F305B2.9080404@dunslane.net |
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Lists: | pgsql-hackers pgsql-patches |
Alvaro Herrera wrote:
> Böszörményi Zoltán wrote:
>
>> Hi,
>>
>> what's the problem with COPY view TO, other than you don't like it? :-)
>>
>
> The problem is that it required a ugly piece of code. Not supporting it
> means we can keep the code nice. The previous discussion led to this
> conclusion anyway so I don't know why we are debating it again.
>
>
What is so ugly about it? I haven't looked at the code, but I am curious
to know.
I also don't recall the consensus being quite so clear cut. I guess
there is a case for saying that if it's not allowed then you know that
"COPY relname TO" is going to be fast. But, code aesthetics aside, the
reasons for disallowing it seem a bit thin, to me.
cheers
andrew
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