Re: Sequences not moved to new tablespace - Mailing list pgsql-general

On 02/24/2015 05:06 AM, Guillaume Drolet wrote:
>
>
> 2015-02-24 7:07 GMT-05:00 Guillaume Drolet <droletguillaume@gmail.com
> <mailto:droletguillaume@gmail.com>>:
>
>
>
>     2015-02-23 14:14 GMT-05:00 Adrian Klaver <adrian.klaver@aklaver.com
>     <mailto:adrian.klaver@aklaver.com>>:
>
>         On 02/23/2015 10:08 AM, Guillaume Drolet wrote:
>
>             Hello,
>
>             I moved all my tables and indexes from one tablespace to
>             pg_default using
>
>             ALTER TABLE ... SET TABLESPACE pg_default;
>             ALTER INDEX ... SET TABLESPACE pg_default;
>
>             Some 2500 files were moved to pg_default but 461 files
>             remain in the
>             tablespace and so I cannot drop it.
>
>             When I query, for example:
>
>             SELECT oid, relname, relkind FROM pg_catalog.pg_class
>             WHERE oid IN (943602, 2650968, 2650971);
>
>             I see that most of these files are sequences. Why didn't
>             they get moved
>             and how can I move them to pg_default (and all other
>             remaining files) so
>             that I can drop the tablespace?
>
>
>         Well round file my previous suggestion. Just tried it and it did
>         not work.
>
>
>     Thanks Adrian.
>     So, anybody else have some piece of advice on this?
>
>
>             Thanks!
>
>
> Digging a little more, I found that not only sequences were not moved
> but also many tables in pg_catalog are still in my old tablespace. This
> is expected since the query in the SQL files I used to move the tables
> and indexes had a WHERE clause like this:
>
>
> SELECT ' ALTER TABLE ' || schemaname || '.' || tablename || ' SET
> TABLESPACE pg_default;'
> FROM pg_tables
> WHERE schemaname NOT IN ('pg_catalog', 'information_schema');
>
> So I tried removing the WHERE clause and running the script again:
>
> psql -U postgres -d mydb < move_tables_to_pg_default.sql | findstr /R
> /C:"[ALTER]" | psql -d mydb -U postgres
>
> I got many errors like this one:
>
> ERROR:  permission denied: "pg_event_trigger" is a system catalog
>
> If I can't move tables from pg_catalog, how will I be able to drop that
> tablespace I don't want to use anymore?
>
> I am thinking that maybe using "ALTER DATABASE mydb SET TABLESPACE
> pg_default;" instead would take care of all this, no?
>
> But when I tried it last week, I got a message like: some relations
> already in target tablespace...
>
> Any help will be much appreciated.

So how did all this stuff get into the non-default tablespace in the
first place?

The answer would seem to be just reverse whatever you did in answer to
the question above.

>
>
>
>
>
>         --
>         Adrian Klaver
>         adrian.klaver@aklaver.com <mailto:adrian.klaver@aklaver.com>
>
>
>


--
Adrian Klaver
adrian.klaver@aklaver.com