Re: Is there an easy and safe way to migrate a database to a new tablespace?

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Get the oid of your old tablespace:

select	oid
from	pg_tablespace
where	spcname = '[OLDTABLESPACE]';

Get your tables from the old tablespace:

select	select	relname
from	pg_class
where	pc.reltablespace = [TABLESPACEOID]
----optional----
and	relkind = 'r' ;

With "ALTER TABLE [TABLE] SET TABLESPACE [TABLESPACENAME];" you can
move your tables to the new destination.


Scott Marlowe wrote:
> On Nov 26, 2007 3:05 PM, David Young <randomfire@xxxxxxxxx> wrote:
>> Hi,
>>
>> I recently converted to using a postgresql engine that support tablespaces.
>> There's a database that I would like to move to a new tablespace for
>> performance reasons.  What is the safe and correct way of doing this?  The
>> documentation is a bit sketchy on this.

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TIP 9: In versions below 8.0, the planner will ignore your desire to
       choose an index scan if your joining column's datatypes do not
       match

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