TODO has:
o Add ON COMMIT capability to CREATE TABLE AS ... SELECT
---------------------------------------------------------------------------
David Fetter wrote:
> On Thu, Nov 17, 2005 at 05:32:43PM -0500, Tom Lane wrote:
> > David Fetter <david@fetter.org> writes:
> > > On Thu, Nov 17, 2005 at 04:37:14PM -0500, Tom Lane wrote:
> > >> CREATE TEMP TABLE foo ... ON COMMIT DROP;
> >
> > > It's that first little elipsis mark that's the problem. Is there
> > > something really clever I've been missing on how to do a dynamic
> > > table creation?
> >
> > Oh, you're worried about what to do if you don't know the output
> > column set of the query? OK, that is a bit harder, but I think it's
> > still a corner case. How much are you really going to get done with
> > the table if you don't know what columns it has?
>
> My use case is when I have a system of audit tables that look like
> this:
>
> CREATE TABLE foo (
> ...
> );
>
> CREATE TABLE foo_audit (
> foo_audit_id BIGSERIAL PRIMARY KEY,
> foo_actor TEXT,
> foo_timestamp TIMESTAMP,
> foo_action char(1) CHECK foo_action IN('D','I','U'),
> old_foo foo,
> new_foo foo
> );
>
> with appropriate TRIGGERs, etc. to make that happen. It nice feature
> of being partitionable via constraint exclusion.
>
> This is in aid of a system for making it possible to ALTER foo while
> preserving the data in foo_audit.
>
> Cheers,
> D
> --
> David Fetter david@fetter.org http://fetter.org/
> phone: +1 510 893 6100 mobile: +1 415 235 3778
>
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