Re: copy files to postgresql

From: Jean-Luc Lachance <jllachan(at)nsd(dot)ca>
To: Jeff Eckermann <jeff_eckermann(at)yahoo(dot)com>
Cc: John Zhang <jzhang(at)jimmy(dot)harvard(dot)edu>, pgsql-sql(at)postgresql(dot)org
Subject: Re: copy files to postgresql
Date: 2002-08-06 16:20:03
Message-ID: 3D4FF733.3D6F418D@nsd.ca
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A much simpler solution would be to:

create a table from the original one without the missing fields;
use the copy command to import the file;
insert into the original table from the new table, supplying null for
the missing fields.

JLL

Jeff Eckermann wrote:
>
> I believe that soon-to-be-released version 7.3 will
> have the ability to import data to specific columns,
> as you are trying to do. For now, you will have to
> edit your input file to insert values (even if null)
> for the missing columns. The default null
> representation expected by COPY is "\N" (backslash,
> upper case "N"), or you can specify another using the
> syntax "\copy .... with null as 'whatever'"
>
> --- John Zhang <jzhang(at)jimmy(dot)harvard(dot)edu> wrote:
> > I was trying to copy files to columns of a
> > PostgreSQL database table using \copy
> > ( e. g. \copy mytable (column names here) from 'my
> > file' using delimiters '\t').
> > PostgreSQL does not seem to like the column names
> > part. Could someone help me
> > with that? Thanks.
> > > Put the text of the welcome message here.
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