On 2014-03-17 19:55:01 -0400, Tom Lane wrote:
> > I think the best way to really cleanup a table is to use something like:
> > ALTER TABLE rew ALTER COLUMN data TYPE text USING (data);
> > where text is the previous type of the column. That should trigger a
> > full table rewrite, without any finesse about tracking ctid chains.
> Um... don't we have logic in there that's smart enough to short-circuit
> that?

Not with USING present I think?


Andres Freund

 Andres Freund                     http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services

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