I'm confused, this looks fairly unrelated to the original message that I had
sent?
Bruce Momjian <pgman@candle.pha.pa.us> wrote:
>Alvaro Herrera wrote:
>> On Sat, Jan 22, 2005 at 10:28:16PM +0000, Brad Snobar wrote:
>>
>> > The column was a primary key bigint.
>> >
>> > ALTER TABLE "public"."CategoryBuildingRankSchemas"
>> > ALTER COLUMN "IDCategoryBuildingRankSchema" TYPE BIGSERIAL;
>> >
>> > ERROR: type "bigserial" does not exist
>>
>> Bigserial is not a type. Rather, it's a type "with strings
>> attached". You can achieve the same effect by using
>>
>> alter table foo alter column a type bigint,
>> alter column a set default nextval('seq');
>>
>> Sadly, you have to create the sequence by hand, and it won't be dropped
>> when the table is dropped.
>
>I tried just altering the column from 'integer' to 'bigint' and it
>seemed to work:
>
> test=> create table test (x serial);
> NOTICE: CREATE TABLE will create implicit sequence "test_x_seq" for
> serial column "test.x"
> CREATE TABLE
> test=> \d test
> Table "public.test"
> Column | Type | Modifiers
> --------+---------+-----------------------------------------------------
> x | integer | not null default nextval('public.test_x_seq'::text)
>
> test=> alter table test alter column x type bigint;
> ALTER TABLE
> test=> \d test
> Table "public.test"
> Column | Type | Modifiers
> --------+--------+-----------------------------------------------------
> x | bigint | not null default nextval('public.test_x_seq'::text)
>
>All sequences are bigint so there is nothing to change there.
>
>So, I think the trick is to change the underlying column type but not
>change the default which is tied to the sequence.
>
>This certainly is an interesting usage report.
>
>--
> Bruce Momjian | http://candle.pha.pa.us
> [EMAIL PROTECTED] | (610) 359-1001
> + If your life is a hard drive, | 13 Roberts Road
> + Christ can be your backup. | Newtown Square, Pennsylvania 19073
>
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