Didn't you create those other tables with "character varying" too? If
you did i think that you need to change those tables too.
On Mon, Nov 10, 2008 at 12:44 PM, A. Kretschmer
<andreas.kretschmer@schollglas.com> wrote:
> am Mon, dem 10.11.2008, um 15:34:10 +0100 mailte Mario Splivalo folgendes:
>> I have a table, like this:
>>
>> CREATE TABLE t1
>> (
>> u1 character varying
>> )
>>
>> And some data inside:
>>
>> INSERT INTO t1 (u1) VALUES ('62d6b434-7dfd-4b3b-b1bf-87f6c20c10dd');
>> INSERT INTO t1 (u1) VALUES ('e3fee596-164b-4995-9e0d-7b2a79e83752');
>>
>> Now, I can do this:
>>
>> SELECT u1::uuid FROM t1;
>>
>> But I can't do this:
>>
>> ALTER TABLE t1 ALTER u1 TYPE uuid;
>
> test=# CREATE TABLE t1
> test-# (
> test(# u1 character varying
> test(# )
> test-# ;
> CREATE TABLE
> test=# INSERT INTO t1 (u1) VALUES
> ('62d6b434-7dfd-4b3b-b1bf-87f6c20c10dd');
> INSERT 0 1
> test=# alter table t1 alter column u1 type uuid using u1::uuid;
> ALTER TABLE
> test=# \d t1;
> Table "public.t1"
> Column | Type | Modifiers
> --------+------+-----------
> u1 | uuid |
>
>
>
> Andreas
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> Andreas Kretschmer
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Helio Campos Mello de Andrade
