Re: alter table table add column

Ronald Rojas skrev:
> Hi,
>
> Anybody knows how to add column with reference to BEFORE or AFTER any
> given column? Let say here's my table structure:
>
> Column | Type | Modifiers
> ----------+-------------------+-----------
> surname | character varying |
> lastname | character varying |
> address | character varying |
>
> And, I want to add the field name age with type integer after lastname
> OR before the address field. How to I do that?
>
> I would really appreciate your response.

Not tested.

ALTER TABLE foo ADD COLUMN age integer
ALTER TABLE foo ADD COLUMN address2 character varying;
UPDATE TABLE foo SET address2=address;
ALTER TABLE foo DROP COLUMN address;
ALTER TABLE foo RENAME COLUMN address2 TO address;

Nis