From: | Surafel Temesgen <surafel3000(at)gmail(dot)com> |
---|---|
To: | David Rowley <david(dot)rowley(at)2ndquadrant(dot)com> |
Cc: | PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: START/END line number for COPY FROM |
Date: | 2019-01-06 11:59:05 |
Message-ID: | CALAY4q--jqJxGV2Z-rBDRp9Ra_C7rsKHnPSSFRnO1z8eBgOw1A@mail.gmail.com |
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Lists: | pgsql-hackers |
Hi,
On Sat, Jan 5, 2019 at 1:10 PM David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>
wrote:
> On Fri, 21 Dec 2018 at 02:02, Surafel Temesgen <surafel3000(at)gmail(dot)com>
> wrote:
> > Currently we can skip header line on COPY FROM but having the ability to
> skip and stop copying at any line can use to divide long copy operation and
> enable to copy a subset of the file and skipping footer. Attach is a patch
> for it
>
> I'm struggling a bit to see the sense in this. If you really want to
> improve the performance of a long copy, then I think it makes more
> sense to have performed the backup in multiple pieces in the first
> place.
>
it is not always the case to have in control of the data importing it may
came from
external system
regards
Surafel
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