Re: Using COPY FROM on a subset of the file's column

From: Thomas Kellerer <spam_eater(at)gmx(dot)net>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: Using COPY FROM on a subset of the file's column
Date: 2012-11-11 10:37:49
Message-ID: k7nv58$1f3$1@ger.gmane.org
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Craig Ringer wrote on 11.11.2012 11:23:
> It seems like you want to be able to say something like this (imaginary)
> syntax:
>
> \copy test_copy (id, col1) FROM 'test.csv' CSV COLUMNS(1,2,IGNORE)

> or some similar way to provide a column mapping from the CSV columns to
> the output of the COPY command.

right, that was what I was hoping fro.

> - \copy into a view that had a view trigger (or possibly rules;
> untested) to rewrite the incoming inserts and store them in the real
> target table; or
> - Just \copy into an UNLOGGED or TEMPORARY table then INSERT INTO ...
> SELECT the data to the real destination.

Thanks for the tips, I do have another option to use an external tool that will let me do that without problem.
The COPY solution would have been faster though, but it's a one-off thing anyway.

Regards
Thomas

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