On Tue, Oct 24, 2017 at 09:16:57PM +0100, Hugo Mills <h...@nightglass.co.uk>
wrote:
> Hi, Oleg,
> Thanks for the prompt reply.
Welcome!
> On Tue, Oct 24, 2017 at 09:37:57PM +0200, Oleg Broytman wrote:
> > On Tue, Oct 24, 2017 at 08:00:13PM +0100, Hugo Mills
> > <h...@nightglass.co.uk> wrote:
> > > Is there any way that I can modify an existing database column,
> > > with data in it, without losing the data in it? All I need to be able
> > > to do is increase the size of a StringCol.
> > >
> > > I can see addColumn and delColumn methods of the sqlmeta object,
> > > but not an alterColumn or anything similar.
> >
> > Probably yes (depends on the backend) but not with SQLObject.
> > SQLObject can CREATE/DROP tables, columns and indices but cannot ALTER
> > them.
> > You need to execute ALTER TABLE connecting directly or call
> > connection.execute("ALTER TABLE ...")
> >
> > What us your backend? MySQL?
>
> It's Postgres. If there's no other way than connection.execute(),
Example: extend a column to 255 characters:
ALTER TABLE tableName ALTER COLUMN columnName TYPE varchar(255);
> then I've got no real problem with working that out. I was just hoping
> that there was a less... raw approach.
Alas!
> Hugo.
>
Oleg.
--
Oleg Broytman http://phdru.name/ p...@phdru.name
Programmers don't die, they just GOSUB without RETURN.
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