| From: | Andreas Pflug <pgadmin(at)pse-consulting(dot)de> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: psql and COPY BINARY |
| Date: | 2005-12-14 17:19:26 |
| Message-ID: | 43A0541E.5020307@pse-consulting.de |
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| Lists: | pgsql-hackers |
Tom Lane wrote:
> Andreas Pflug <pgadmin(at)pse-consulting(dot)de> writes:
>
>>Examining why psql won't do sensible stuff with COPY BINARY, I realized
>>that psql still uses PQgetline, which is marked obsolete since 7.4.
>>Is this intentional or just a "never reviewed because it works"?
>
>
> There wasn't any obvious bang for the buck in rewriting it.
Well a non-binary copy could take as much as 5 times as much as a binary
copy. I hit this when COPYing 1.5GB of data, getting a 6.6GB file. This
made the 100MBit LAN connection a bottleneck.
I might post a patch to support BINARY in psql some day.
Regards,
Andreas
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