From: | Joe Conway <mail(at)joeconway(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: ALTER TABLE schema SCHEMA TO new_schema? |
Date: | 2002-12-01 06:15:17 |
Message-ID: | 3DE9A8F5.5090406@joeconway.com |
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Lists: | pgsql-hackers |
Tom Lane wrote:
> Joe Conway <mail(at)joeconway(dot)com> writes:
>>Someone asked earlier about how to change a bunch of existing tables int the
>>PUBLIC schema to some other schema. For grins I tried:
>>regression=# update pg_class set relnamespace=556829 where relname = 'foo' and
>>relnamespace=2200;
>>UPDATE 1
>
>>and it seemed to work fine (i.e. moved foo from schema public to schema bar).
>
> But it didn't fix the pg_depend entries linking the table to its schema :-(
Yeah, I knew there was something I was forgetting. That's why I didn't
actually offer it up as a solution to anyone.
>>But it made me wonder if we shouldn't have:
>> ALTER TABLE table SCHEMA TO new_schema
>
> I was thinking more along the lines of ALTER TABLE a.b RENAME TO x.y
>
> I don't see anything in the SQL spec about this; anyone know what
> precedent is in Oracle or other DBMSes?
Good question. I can't find anything in the Oracle docs indicating it is even
possible. We should probably just go with your suggestion. Anything else
beyond the relnamespace and pg_depend entries that need to be dealt with?
Joe
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