On Sat, Mar 20, 2021 at 8:11 AM Robert Haas <robertmhaas@gmail.com> wrote:
>
> On Fri, Mar 19, 2021 at 8:25 PM Tom Lane <tgl@sss.pgh.pa.us> wrote:
> > Extrapolating from the way we've dealt with similar issues
> > in the past, I think the structure of pg_dump's output ought to be:
> >
> > 1. SET default_toast_compression = 'source system's value'
> > in among the existing passel of SETs at the top. Doesn't
> > matter whether or not that is the compiled-in value.
> >
> > 2. No mention of compression in any CREATE TABLE command.
> >
> > 3. For any column having a compression option different from
> > the default, emit ALTER TABLE SET ... to set that option after
> > the CREATE TABLE. (You did implement such a SET, I trust.)
>
> Actually, *I* didn't implement any of this. But ALTER TABLE sometab
> ALTER somecol SET COMPRESSION somealgo works.
>
> This sounds like a reasonable approach.
The attached patch implements that.
--
Regards,
Dilip Kumar
EnterpriseDB: http://www.enterprisedb.com