Re: ALTER TABLE - Mailing list pgsql-hackers

From Rod Taylor
Subject Re: ALTER TABLE
Date
Msg-id 1062162671.80333.231.camel@jester
Whole thread Raw
In response to Re: ALTER TABLE  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
On Thu, 2003-08-28 at 23:22, Tom Lane wrote:
> Rod Taylor <rbt@rbt.ca> writes:
> > I've been fiddling away on ALTER TABLE and have a few questions about a
> > possible datatype change. Just alter portions.
>
> > I presume I'll need to do a table rewrite. What is the best way to
> > change a single datum?  heap_modify() takes a single relation type where
> > I will need to deal with different types.  Simply build a new tuple with
> > old datums (easy enough)? Do we care about OIDs being renumbered?
>
> Have you consulted the archives?  ISTM we discussed these issues to
> death a year or two back.

I thought I had.  Google doesn't give anything overly useful in a group
search for 'alter table modify' or 'alter table change type'

Found a nice long thread on dropping a column though.  The discussion
about SET / DROP NOT NULL had a little bit on modify.

If you could point me in the right direction it would be appreciated.

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