Re: BUG #1434: ERROR: type "bigserial" does not exist

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
>  pgman@candle.pha.pa.us               |  (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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