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List:       postgresql-sql
Subject:    Re: [SQL] alter help needed
From:       "PAX!" <pvides () tnet ! es>
Date:       1998-11-30 12:41:34
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Frank Morton wrote:

I think you coul do this with one select and one alter table. First you
create the new table with the adecuate structure, with a temp name. You
dum all the data with a select and  drop the first table. Then you
change the name with alter table. 

I hope it's useful.

> 
> As an example, given a table with 2 columns, if I want to add
> a new column "between" the already existing columns, is there
> any way to use "alter table" to do this?
> 
> The only way I can figure out how to do this and preserve the
> data is to dump the database and write a script to modify
> the dump by modifying the table structure plus the insert
> statements reflecting the change. This seems more painful
> and I must be missing an easier way to do this.
> 
> I am trying to come up with an automated way to deal with
> multiple revisions of a database structure.
> 
> Any help? Thanks.
> 
> _________________________________
> Frank Morton (fmorton@mail.base2inc.com)
> Voice: (317) 876-3355
> FAX: (317) 876-3398
> Home: (317) 574-0815

-- 
La risa es la actitud primigenia hacia la vida:
un modo de acercamiento que pervive sólo en 
criminales y artistas
			-- Oscar Wilde

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