Re: Problem with Altering a table column

Douglas Reed <[email protected]> writes:
> I have issued and alter column against the following;
> =C2=A0price_id=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0| integer=C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0| not null defa=
ult nextval('bet.price_price_id_seq'::regclass) | plain=C2=A0 =C2=A0|=C2=A0=
 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 |
> ALTER TABLE bet.price ALTER COLUMN price_id TYPE bigint;

> The process has taken a very long time, I know that it is rebuilding the=
 table and a lot of temp files have been created, deleted etc
> It now seems to have gone quiet (no temp disk files etc), it still seems=
 to be clicking up CPU
> - Is there a final part of the process where it may just be doing valida=
tion etc?

Foreign key revalidation maybe ... does this column participate in any
foreign keys?

> - Is it safe to terminate the process?

Yeah, but you'd lose all the work done so far.

			regards, tom lane