TOAST & DROP COLUMN (Was: RE: pgsql-server/ oc/src/sgml/ref/cluster.sgml rc/ ... )

> I was too tired last night to really think about this.  What I had in
> mind when I wrote the above was to somehow disable the TOAST machinery
> while copying tuples, so that any toasted values in the new heap would
> still reference the old toast table.  That would avoid "unnecessary"
> copying of the toasted datums ... but it looks ugly to do.

Incidentally - will a dropped column definitely have its TOAST data
reclaimed when you do the "update set col=col;" ?

Chris