Re: BUG #1883: Renaming a schema leaves inconsistent sequence - Mailing list pgsql-bugs

This item has been added to the 8.1 bugs list:

    http://momjian.postgresql.org/cgi-bin/pgbugs

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Kouber Saparev wrote:
>
> The following bug has been logged online:
>
> Bug reference:      1883
> Logged by:          Kouber Saparev
> Email address:      postgresql@saparev.com
> PostgreSQL version: 8.0.3
> Operating system:   Linux 2.6.11.4
> Description:        Renaming a schema leaves inconsistent sequence names
> Details:
>
> When I rename a schema, all the serial fields are pointing to the old
> schema, which no longer exists. So trying to insert new records fails.
>
> Here there is an example:
>
> ------ begin ------
>
> bugs=# create schema sch1;
> CREATE SCHEMA
>
> bugs=# create table sch1.test (id serial primary key, name char(1)) without
> oids;
> NOTICE:  CREATE TABLE will create implicit sequence "test_id_seq" for serial
> column "test.id"
> NOTICE:  CREATE TABLE / PRIMARY KEY will create implicit index "test_pkey"
> for table "test"
> CREATE TABLE
>
> bugs=# \d sch1.test
>                              Table "sch1.test"
>  Column |     Type     |                     Modifiers
> --------+--------------+----------------------------------------------------
>
>  id     | integer      | not null default nextval('sch1.test_id_seq'::text)
>  name   | character(1) |
> Indexes:
>     "test_pkey" PRIMARY KEY, btree (id)
>
> bugs=# insert into sch1.test (name) values ('a');
> INSERT 0 1
>
> bugs=# alter schema sch1 rename to sch2;
> ALTER SCHEMA
>
> bugs=# \d sch2.test
>                              Table "sch2.test"
>  Column |     Type     |                     Modifiers
> --------+--------------+----------------------------------------------------
>
>  id     | integer      | not null default nextval('sch1.test_id_seq'::text)
>  name   | character(1) |
> Indexes:
>     "test_pkey" PRIMARY KEY, btree (id)
>
> bugs=# insert into sch2.test (name) values ('b');
> ERROR:  schema "sch1" does not exist
>
> ------ end ------
>
> As you see, the default value of the serial field is pointing to a sequence
> in schema "sch1" which is now "sch2". Changing the default value manually
> fixes the problem, but it's not very convenient in case when there are a lot
> of tables.
>
> After I looked over the bugs submitted so far, I've found that the problem
> is already reported, but I'm not sure whether it's well described there.
> Take a look at
> - http://article.gmane.org/gmane.comp.db.postgresql.bugs/3033/
>
> I apologize, if it is a known bug.
>
> Regards,
> Kouber Saparev
>
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