Re: Convert serial column to regular integer

On 5/11/07, Collin Peters <cadiolis@gmail.com> wrote:
> I have a need to convert an incorrectly typed serial column to a
> regular integer column.  Basically this just involves removing the
> sequence.  I am able to successfully remove the default value (DROP
> DEFAULT) (which seems to use nextval) and now pgadmin does show the
> column as an integer, but I cannot remove the sequence as it says it
> is still in use.  If I look at the column in pgadmin the sequence
> field is still filled in with the sequence but it is grayed out.  Is
> there any way to remove the sequence fully?
>
> Regards,
> Collin

CREATE TABLE dtab (i SERIAL);

ALTER TABLE dtab ALTER COLUMN i DROP DEFAULT;

ALTER SEQUENCE dtab_i_seq OWNED BY NONE;

DROP SEQUENCE dtab_i_seq;