From: | Daryl Richter <daryl(at)brandywine(dot)com> |
---|---|
To: | fmiddleton(at)verizon(dot)net |
Cc: | pgsql-sql(at)postgresql(dot)org |
Subject: | Re: changing a column's position in table, how do you do that |
Date: | 2005-09-28 19:38:05 |
Message-ID: | 433AF11D.801@brandywine.com |
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Thread: | |
Lists: | pgsql-sql |
Ferindo Middleton Jr wrote:
> Is there a way to change the position attribute of a column in a table?
> I have data that I need to import into various tables in my db on a
> consistent basis... I usually us e the COPY ... FROM query but I can't
> control the -order- of the fields my client dumps the data so I would
> like to be able to change the position the columns in my table to be
> able to better align the data to be imported with the format of my
> table. I was thinking I could do something like "ALTER TABLE ALTER
> COLUMN ... " or something like that to change the columns position in
> the table but I can't figure out how.
>
> Ferindo
>
> ---------------------------(end of broadcast)---------------------------
> TIP 6: explain analyze is your friend
Constantly changing the column order of a table doesn't make sense (and
is a pain!).
I would suggest setting up a temporary staging table with generic column
names to take in the input data and then using SQL to move it into its
permanent location.
--
Daryl
"We want great men who, when fortune frowns, will not be discouraged."
-- Colonel Henry Knox, 1776
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